X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=aclocal.m4;h=09260c46cc5502b04dfdf4de1418330f2554be75;hp=14da7c45490b5ceeba114ae83f0647f2decb167d;hb=790a85dbd4a81d5f5d8dd02a44d84f01512ef443;hpb=5da4544722decdeb2bfd0c7c4581af0ea62148f9 diff --git a/aclocal.m4 b/aclocal.m4 index 14da7c45..09260c46 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -1,5 +1,6 @@ dnl*************************************************************************** -dnl Copyright (c) 1998-2017,2018 Free Software Foundation, Inc. * +dnl Copyright 2018-2019,2020 Thomas E. Dickey * +dnl Copyright 1998-2017,2018 Free Software Foundation, Inc. * dnl * dnl Permission is hereby granted, free of charge, to any person obtaining a * dnl copy of this software and associated documentation files (the * @@ -28,18 +29,20 @@ dnl*************************************************************************** dnl dnl Author: Thomas E. Dickey 1995-on dnl -dnl $Id: aclocal.m4,v 1.839 2018/06/21 00:23:13 tom Exp $ +dnl $Id: aclocal.m4,v 1.914 2020/05/31 20:50:13 tom Exp $ dnl Macros used in NCURSES auto-configuration script. dnl dnl These macros are maintained separately from NCURSES. The copyright on dnl this file applies to the aggregation of macros and does not affect use of dnl these macros in other applications. dnl -dnl See https://invisible-island.net/autoconf/ for additional information. +dnl See these pages for additional information: +dnl https://invisible-island.net/autoconf/ +dnl https://invisible-island.net/autoconf/my-autoconf.html dnl dnl --------------------------------------------------------------------------- dnl --------------------------------------------------------------------------- -dnl AM_LANGINFO_CODESET version: 4 updated: 2015/04/18 08:56:57 +dnl AM_LANGINFO_CODESET version: 5 updated: 2020/03/10 18:53:47 dnl ------------------- dnl Inserted as requested by gettext 0.10.40 dnl File from /usr/share/aclocal @@ -52,7 +55,7 @@ AC_DEFUN([AM_LANGINFO_CODESET], [ AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset, [AC_TRY_LINK([#include ], - [char* cs = nl_langinfo(CODESET);], + [char* cs = nl_langinfo(CODESET); (void)cs], am_cv_langinfo_codeset=yes, am_cv_langinfo_codeset=no) ]) @@ -155,10 +158,28 @@ AC_DEFUN([CF_ADD_ADAFLAGS],[ AC_SUBST(ADAFLAGS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_ADD_CFLAGS version: 13 updated: 2017/02/25 18:57:40 +dnl CF_ADD_CXXFLAGS version: 1 updated: 2020/04/04 16:16:13 +dnl --------------- +dnl Copy non-preprocessor flags to $CXXFLAGS, preprocessor flags to $CPPFLAGS +dnl The second parameter if given makes this macro verbose. +dnl +dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS, +dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily +dnl confused by the quotes (which require backslashes to keep them usable). +AC_DEFUN([CF_ADD_CXXFLAGS], +[ +cf_save_CXXFLAGS="$CFLAGS" +CFLAGS="$CXXFLAGS" +CF_ADD_CFLAGS($1 ifelse($2,,,[,$2])) +CXXFLAGS="$CFLAGS" +CFLAGS="$cf_save_CXXFLAGS" +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ADD_CFLAGS version: 14 updated: 2020/04/04 16:16:13 dnl ------------- dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS -dnl The second parameter if given makes this macro verbose. +dnl $1 = flags to add +dnl $2 = if given makes this macro verbose. dnl dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS, dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily @@ -346,7 +367,7 @@ if test -n "$1" ; then fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_ADD_LIBS version: 2 updated: 2014/07/13 14:33:27 +dnl CF_ADD_LIBS version: 3 updated: 2019/11/02 16:47:33 dnl ----------- dnl Add one or more libraries, used to enforce consistency. Libraries are dnl prepended to an existing list, since their dependencies are assumed to @@ -355,19 +376,19 @@ dnl dnl $1 = libraries to add, with the "-l", etc. dnl $2 = variable to update (default $LIBS) AC_DEFUN([CF_ADD_LIBS],[ -cf_add_libs="$1" -# Filter out duplicates - this happens with badly-designed ".pc" files... -for cf_add_1lib in [$]ifelse($2,,LIBS,[$2]) -do - for cf_add_2lib in $cf_add_libs - do - if test "x$cf_add_1lib" = "x$cf_add_2lib" - then +cf_add_libs="[$]ifelse($2,,LIBS,[$2])" +# reverse order +cf_add_0lib= +for cf_add_1lib in $1; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done +# filter duplicates +for cf_add_1lib in $cf_add_0lib; do + for cf_add_2lib in $cf_add_libs; do + if test "x$cf_add_1lib" = "x$cf_add_2lib"; then cf_add_1lib= break fi done - test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib" + test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs" done ifelse($2,,LIBS,[$2])="$cf_add_libs" ])dnl @@ -439,7 +460,7 @@ ifelse([$3],,[ :]dnl ])dnl ])])dnl dnl --------------------------------------------------------------------------- -dnl CF_AR_FLAGS version: 6 updated: 2015/10/10 15:25:05 +dnl CF_AR_FLAGS version: 7 updated: 2020/04/04 11:37:29 dnl ----------- dnl Check for suitable "ar" (archiver) options for updating an archive. dnl @@ -450,39 +471,55 @@ AC_DEFUN([CF_AR_FLAGS],[ AC_REQUIRE([CF_PROG_AR]) AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[ - cf_cv_ar_flags=unknown - for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv - do + case $cf_cv_system_name in + (*-msvc*) + cf_cv_ar_flags='' + cat >mk_static_lib.sh <<-EOF + #!$SHELL + MSVC_BIN="[$]AR" + out="\[$]1" + shift + exec \[$]MSVC_BIN -out:"\[$]out" \[$]@ + EOF + chmod +x mk_static_lib.sh + AR=`pwd`/mk_static_lib.sh + ;; + (*) + cf_cv_ar_flags=unknown + for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv + do - # check if $ARFLAGS already contains this choice - if test "x$ARFLAGS" != "x" ; then - cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"` - if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then - cf_cv_ar_flags= - break + # check if $ARFLAGS already contains this choice + if test "x$ARFLAGS" != "x" ; then + cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"` + if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then + cf_cv_ar_flags= + break + fi fi - fi - rm -f conftest.$ac_cv_objext - rm -f conftest.a + rm -f conftest.$ac_cv_objext + rm -f conftest.a - cat >conftest.$ac_ext <conftest.$ac_ext <&AC_FD_CC - $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null - if test -f conftest.a ; then - cf_cv_ar_flags=$cf_ar_flags + if AC_TRY_EVAL(ac_compile) ; then + echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC + $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null + if test -f conftest.a ; then + cf_cv_ar_flags=$cf_ar_flags + break + fi + else + CF_VERBOSE(cannot compile test-program) break fi - else - CF_VERBOSE(cannot compile test-program) - break - fi - done - rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext + done + rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext + ;; + esac ]) if test -n "$ARFLAGS" ; then @@ -727,7 +764,7 @@ AC_SUBST(BUILD_EXEEXT) AC_SUBST(BUILD_OBJEXT) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CC_ENV_FLAGS version: 8 updated: 2017/09/23 08:50:24 +dnl CF_CC_ENV_FLAGS version: 9 updated: 2018/07/29 18:03:26 dnl --------------- dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content dnl into CC. This will not help with broken scripts that wrap the compiler @@ -744,11 +781,28 @@ AC_DEFUN([CF_CC_ENV_FLAGS], # This should have been defined by AC_PROG_CC : ${CC:=cc} +AC_MSG_CHECKING(\$CFLAGS variable) +case "x$CFLAGS" in +(*-[[IUD]]*) + AC_MSG_RESULT(broken) + AC_MSG_WARN(your environment uses the CFLAGS variable to hold CPPFLAGS options) + cf_flags="$CFLAGS" + CFLAGS= + for cf_arg in $cf_flags + do + CF_ADD_CFLAGS($cf_arg) + done + ;; +(*) + AC_MSG_RESULT(ok) + ;; +esac + AC_MSG_CHECKING(\$CC variable) case "$CC" in (*[[\ \ ]]-*) AC_MSG_RESULT(broken) - AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options) + AC_MSG_WARN(your environment uses the CC variable to hold CFLAGS/CPPFLAGS options) # humor him... cf_prog=`echo "$CC" | sed -e 's/ / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'` cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", [substr]([$]0,1+length(prog))); }'` @@ -908,7 +962,36 @@ if test ".$system_name" != ".$cf_cv_system_name" ; then fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CHECK_ERRNO version: 12 updated: 2015/04/18 08:56:57 +dnl CF_CHECK_ENVIRON version: 3 updated: 2010/05/26 16:44:57 +dnl ---------------- +dnl Check for data that is usually declared in , e.g., the 'environ' +dnl variable. Define a DECL_xxx symbol if we must declare it ourselves. +dnl +dnl $1 = the name to check +dnl $2 = the assumed type +AC_DEFUN([CF_CHECK_ENVIRON], +[ +AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[ + AC_TRY_COMPILE([ +#ifdef HAVE_STDLIB_H +#include +#endif +#include ], + ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1, + [cf_cv_dcl_$1=yes], + [cf_cv_dcl_$1=no]) +]) + +if test "$cf_cv_dcl_$1" = no ; then + CF_UPPER(cf_result,decl_$1) + AC_DEFINE_UNQUOTED($cf_result) +fi + +# It's possible (for near-UNIX clones) that the data doesn't exist +CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2])) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CHECK_ERRNO version: 13 updated: 2020/03/10 18:53:47 dnl -------------- dnl Check for data that is usually declared in or , e.g., dnl the 'errno' variable. Define a DECL_xxx symbol if we must declare it @@ -926,7 +1009,7 @@ AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[ #include #include #include ], - ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1, + ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1; (void)x, [cf_cv_dcl_$1=yes], [cf_cv_dcl_$1=no]) ]) @@ -965,6 +1048,170 @@ fi ])dnl dnl --------------------------------------------------------------------------- +dnl CF_CHECK_FVISIBILITY version: 2 updated: 2020/04/04 16:16:13 +dnl -------------------- +dnl Check whether the compiler understands -fvisibility=hidden +dnl +dnl $1 = compiler +dnl $2 = compiler-flags variable name +dnl $3 = cache variable to set +AC_DEFUN([CF_CHECK_FVISIBILITY],[ +AC_CACHE_CHECK(if $1 -fvisibility=hidden option works,$3,[ + cf_save_cflags="[$]$2" + $2="[$]$2 -fvisibility=hidden" + AC_TRY_LINK([ +__attribute__ ((visibility("default"))) int somefunc() {return 42;} + ],[ + if (somefunc()) return 1; +], + [$3=yes], + [$3=no]) + $2=$cf_save_cflags +]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CHECK_GETENV version: 1 updated: 2019/06/23 15:28:15 +dnl --------------- +dnl Check if repeated getenv calls return the same pointer, e.g., it does not +dnl discard the previous pointer when returning a new one. +AC_DEFUN([CF_CHECK_GETENV], +[ +AC_REQUIRE([CF_CHECK_ENVIRON]) +AC_CHECK_FUNC( getenv, ,, AC_MSG_ERROR(getenv not found) ) +AC_CHECK_FUNCS( putenv setenv strdup ) +AC_CACHE_CHECK(if getenv returns consistent values,cf_cv_consistent_getenv,[ +AC_TRY_RUN([ +#include +#include +#include +#include +#include + +#if defined(HAVE_ENVIRON) && defined(DECL_ENVIRON) && !defined(environ) +extern char **environ; /* POSIX, but some systems are not... */ +#endif + +#if defined(HAVE_STRDUP) +#define str_alloc(s) strdup(s) +#else +#define str_alloc(s) strcpy(malloc(strlen(s) + 1, s)) +#endif + +static void set_value(const char *name, const char *value) +{ +#if defined(HAVE_SETENV) + setenv(name, value, 1); +#elif defined(HAVE_PUTENV) + char buffer[1024]; + sprintf(buffer, "%s=%s", name, value); + putenv(str_alloc(buffer)); +#else +#error neither putenv/setenv found +#endif +} +int main(void) +{ + int pass; + size_t numenv, limit, j; + char **mynames; + char **myvalues; + char **mypointer; + char *equals; + for (numenv = 0; environ[numenv]; ++numenv) ; + limit = numenv + 10; + mynames = (char **) calloc(limit + 1, sizeof(char *)); + myvalues = (char **) calloc(limit + 1, sizeof(char *)); + mypointer = (char **) calloc(limit + 1, sizeof(char *)); +#if defined(HAVE_ENVIRON) + for (j = 0; environ[j]; ++j) { + mynames[j] = str_alloc(environ[j]); + equals = strchr(mynames[j], '='); + if (equals != 0) { + *equals++ = '\0'; + myvalues[j] = str_alloc(equals); + } else { + myvalues[j] = str_alloc(""); + } + } +#endif + for (j = numenv; j < limit; ++j) { + char name[80]; + char value[80]; + size_t found; + size_t k = 0; + do { + size_t jk; + found = 0; + sprintf(name, "TERM%lu", (unsigned long) k); + for (jk = 0; jk < j; ++jk) { + if (!strcmp(name, mynames[jk])) { + found = 1; + ++k; + break; + } + } + } while (found); + sprintf(value, "%lu:%p", (unsigned long) k, &mynames[j]); + set_value(name, value); + mynames[j] = str_alloc(name); + myvalues[j] = str_alloc(value); + } + for (pass = 0; pass < 3; ++pass) { + for (j = 0; j < limit; ++j) { + char *value = getenv(mynames[j]); + if (pass) { + if (value == 0) { + fprintf(stderr, "getenv returned null for %s\n", mynames[j]); + ${cf_cv_main_return:-return}(1); + } else if (value != mypointer[j]) { + fprintf(stderr, "getenv returned different pointer for %s\n", mynames[j]); + ${cf_cv_main_return:-return}(1); + } else if (strcmp(value, myvalues[j])) { + fprintf(stderr, "getenv returned different value for %s\n", mynames[j]); + ${cf_cv_main_return:-return}(1); + } + } else { + size_t k; + mypointer[j] = value; + for (k = 0; k < j; ++k) { + if (mypointer[j] == mypointer[k]) { + fprintf(stderr, "getenv returned same pointer for %s and %s\n", mynames[j], mynames[k]); + ${cf_cv_main_return:-return}(1); + } + } + } + } + } + ${cf_cv_main_return:-return}(0); +} +], +[cf_cv_consistent_getenv=yes], +[cf_cv_consistent_getenv=no], +[cf_cv_consistent_getenv=unknown]) +]) + +if test "x$cf_cv_consistent_getenv" = xno +then + AC_DEFINE(HAVE_CONSISTENT_GETENV,1,[Define to 1 if getenv repeatably returns the same value for a given name]) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CHECK_GNAT_VERSION version: 3 updated: 2020/05/23 19:39:36 +dnl --------------------- +AC_DEFUN([CF_CHECK_GNAT_VERSION], +[ +AC_REQUIRE([CF_GNAT_VERSION]) +case $cf_cv_gnat_version in +(3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]]) + cf_cv_prog_gnat_correct=yes + ;; +(*) + AC_MSG_WARN(Unsupported GNAT version $cf_cv_gnat_version. We require 3.11 or better. Disabling Ada95 binding.) + cf_cv_prog_gnat_correct=no + ;; +esac +]) +dnl --------------------------------------------------------------------------- dnl CF_CHECK_GPM_WGETCH version: 3 updated: 2017/01/21 11:06:25 dnl ------------------- dnl Check if GPM is already linked with curses. If so - and if the linkage @@ -1236,6 +1483,66 @@ cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments" fi ]) dnl --------------------------------------------------------------------------- +dnl CF_CONST_X_STRING version: 4 updated: 2020/03/10 18:53:47 +dnl ----------------- +dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most +dnl character-strings. +dnl +dnl It is ambiguous because the specification accommodated the pre-ANSI +dnl compilers bundled by more than one vendor in lieu of providing a standard C +dnl compiler other than by costly add-ons. Because of this, the specification +dnl did not take into account the use of const for telling the compiler that +dnl string literals would be in readonly memory. +dnl +dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to +dnl let the compiler decide how to represent Xt's strings which were #define'd. +dnl That does not solve the problem of using the block of Xt's strings which +dnl are compiled into the library (and is less efficient than one might want). +dnl +dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both +dnl when compiling the library and compiling using the library, to tell the +dnl compiler that String is const. +AC_DEFUN([CF_CONST_X_STRING], +[ +AC_REQUIRE([AC_PATH_XTRA]) + +CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING]) + +AC_TRY_COMPILE( +[ +#include +#include +], +[String foo = malloc(1); (void)foo],[ + +AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[ + AC_TRY_COMPILE( + [ +#define _CONST_X_STRING /* X11R7.8 (perhaps) */ +#undef XTSTRINGDEFINES /* X11R5 and later */ +#include +#include + ],[String foo = malloc(1); *foo = 0],[ + cf_cv_const_x_string=no + ],[ + cf_cv_const_x_string=yes + ]) +]) + +CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING]) + +case $cf_cv_const_x_string in +(no) + CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES) + ;; +(*) + CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING) + ;; +esac + +]) +])dnl +dnl --------------------------------------------------------------------------- dnl CF_CPP_PARAM_INIT version: 7 updated: 2017/01/21 11:06:25 dnl ----------------- dnl Check if the C++ compiler accepts duplicate parameter initialization. This @@ -1375,12 +1682,13 @@ cerr << "testing" << endl; fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_C_INLINE version: 5 updated: 2015/04/18 08:56:57 +dnl CF_C_INLINE version: 6 updated: 2019/09/07 13:38:36 dnl ----------- dnl Check if the C compiler supports "inline". dnl $1 is the name of a shell variable to set if inline is supported dnl $2 is the threshold for gcc 4.x's option controlling maximum inline size AC_DEFUN([CF_C_INLINE],[ +AC_REQUIRE([CF_GCC_VERSION]) AC_C_INLINE $1= if test "$ac_cv_c_inline" != no ; then @@ -1567,6 +1875,28 @@ if test "$cf_disable_rpath_hack" = no ; then fi ]) dnl --------------------------------------------------------------------------- +dnl CF_ENABLE_BROKEN_LINKER version: 1 updated: 2020/02/08 15:59:30 +dnl ----------------------- +dnl Some linkers cannot reference a data-only object. Cygwin used to be one. +dnl This usually follows CF_LINK_DATAONLY, but is not required in case we need +dnl an unconditional feature. +AC_DEFUN([CF_ENABLE_BROKEN_LINKER],[ + +AC_MSG_CHECKING(if you want broken-linker support code) +AC_ARG_ENABLE(broken_linker, + [ --enable-broken_linker compile with broken-linker support code], + [with_broken_linker=$enableval], + [with_broken_linker=no]) +AC_MSG_RESULT($with_broken_linker) + +: ${BROKEN_LINKER:=0} +if test "x$with_broken_linker" = xyes ; then + AC_DEFINE(BROKEN_LINKER,1,[Define to 1 to work around linkers which cannot link data-only modules]) + BROKEN_LINKER=1 +fi +AC_SUBST(BROKEN_LINKER) +])dnl +dnl --------------------------------------------------------------------------- dnl CF_ENABLE_PC_FILES version: 13 updated: 2015/11/01 05:27:39 dnl ------------------ dnl This is the "--enable-pc-files" option, which is available if there is a @@ -1887,6 +2217,49 @@ AC_DEFUN([CF_FIXUP_ADAFLAGS],[ AC_MSG_RESULT($ADAFLAGS) ])dnl dnl --------------------------------------------------------------------------- +dnl CF_FOPEN_BIN_R version: 2 updated: 2019/12/31 08:53:54 +dnl -------------- +dnl Check if fopen works when the "b" (binary) flag is added to the mode +dnl parameter. POSIX ignores the "b", which c89 specified. Some very old +dnl systems do not accept it. +AC_DEFUN([CF_FOPEN_BIN_R],[ +AC_CACHE_CHECK(if fopen accepts explicit binary mode,cf_cv_fopen_bin_r,[ + AC_TRY_RUN([ +#include +int main(void) { + FILE *fp = fopen("conftest.tmp", "wb"); + int rc = 0; + if (fp != 0) { + int p, q; + for (p = 0; p < 256; ++p) { + fputc(p, fp); + } + fclose(fp); + fp = fopen("conftest.tmp", "rb"); + if (fp != 0) { + for (p = 0; p < 256; ++p) { + q = fgetc(fp); + if (q != p) { + rc = 1; + break; + } + } + } else { + rc = 1; + } + } else { + rc = 1; + } + ${cf_cv_main_return:-return} (rc); +} +], + [cf_cv_fopen_bin_r=yes], + [cf_cv_fopen_bin_r=no], + [cf_cv_fopen_bin_r=unknown]) +]) +test "x$cf_cv_fopen_bin_r" != xno && AC_DEFINE(USE_FOPEN_BIN_R,1,[Define to 1 if fopen accepts explicit binary mode]) +])dnl +dnl --------------------------------------------------------------------------- dnl CF_FORGET_TOOL version: 1 updated: 2013/04/06 18:03:09 dnl -------------- dnl Forget that we saw the given tool. @@ -2159,7 +2532,7 @@ esac ])dnl dnl --------------------------------------------------------------------------- -dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00 +dnl CF_GCC_ATTRIBUTES version: 18 updated: 2020/03/10 18:53:47 dnl ----------------- dnl Test for availability of useful gcc __attribute__ directives to quiet dnl compiler warnings. Though useful, not all are supported -- and contrary @@ -2203,7 +2576,7 @@ cat > conftest.$ac_ext < conftest.$ac_ext <&1 | \ +AC_CACHE_CHECK(for ifelse($2,,gnat,$2) version, cf_cv_gnat_version,[ +cf_cv_gnat_version=`ifelse($2,,${cf_ada_make:-gnatmake},$2) --version 2>&1 | \ grep '[[0-9]].[[0-9]][[0-9]]*' |\ sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'` -AC_MSG_RESULT($cf_gnat_version) - -case $cf_gnat_version in -(3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) - cf_cv_prog_gnat_correct=yes - ;; -(*) - AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.) - cf_cv_prog_gnat_correct=no - ;; -esac ]) +test -z "$cf_cv_gnat_version" && cf_cv_gnat_version=no +ifelse($1,,,[eval $1=$cf_cv_gnat_version; unset cf_cv_gnat_version]) +])dnl dnl --------------------------------------------------------------------------- -dnl CF_GNU_SOURCE version: 9 updated: 2018/06/20 20:23:13 +dnl CF_GNU_SOURCE version: 10 updated: 2018/12/10 20:09:41 dnl ------------- dnl Check if we must define _GNU_SOURCE to get a reasonable value for dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect @@ -2722,6 +3086,8 @@ AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[ AC_TRY_COMPILE([#include ],[ #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0 return 0; + #elif __NEWLIB__ > 0 && __NEWLIB_MINOR__ >= 0 + return 0; #else # error not GNU C library #endif], @@ -2732,13 +3098,16 @@ AC_TRY_COMPILE([#include ],[ if test x$cf_cv_gnu_library = xyes; then # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE - # was changed to help a little... + # was changed to help a little. newlib incorporated the change about 4 + # years later. AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[ cf_save="$CPPFLAGS" CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE) AC_TRY_COMPILE([#include ],[ #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2) return 0; + #elif (__NEWLIB__ == 2 && __NEWLIB_MINOR__ >= 4) || (__GLIBC__ > 3) + return 0; #else # error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old #endif], @@ -3190,11 +3559,12 @@ test -d "$oldincludedir" && { $1="[$]$1 $cf_header_path_list" ])dnl dnl --------------------------------------------------------------------------- -dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23 +dnl CF_HELP_MESSAGE version: 4 updated: 2019/12/31 08:53:54 dnl --------------- dnl Insert text into the help-message, for readability, from AC_ARG_WITH. AC_DEFUN([CF_HELP_MESSAGE], -[AC_DIVERT_HELP([$1])dnl +[CF_ACVERSION_CHECK(2.53,[],[ +AC_DIVERT_HELP($1)])dnl ])dnl dnl --------------------------------------------------------------------------- dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42 @@ -3214,12 +3584,13 @@ CPPFLAGS="-I. $CPPFLAGS" AC_SUBST(CPPFLAGS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_INSTALL_OPTS version: 1 updated: 2014/07/21 18:19:51 +dnl CF_INSTALL_OPTS version: 2 updated: 2018/08/18 12:19:21 dnl --------------- dnl prompt for/fill-in useful install-program options AC_DEFUN([CF_INSTALL_OPTS], [ CF_INSTALL_OPT_S +CF_INSTALL_OPT_P CF_INSTALL_OPT_O ])dnl dnl --------------------------------------------------------------------------- @@ -3250,7 +3621,42 @@ fi AC_SUBST(INSTALL_OPT_O) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_INSTALL_OPT_S version: 1 updated: 2014/07/21 18:19:51 +dnl CF_INSTALL_OPT_P version: 1 updated: 2018/08/18 12:19:21 +dnl ---------------- +dnl Some install-programs accept a "-p" option to preserve file modification +dnl timestamps. That can be useful as an install option, as well as a way to +dnl avoid the need for ranlib after copying a static archive. +AC_DEFUN([CF_INSTALL_OPT_P], +[ +: ${INSTALL:=install} +AC_CACHE_CHECK(if install accepts -p option, cf_cv_install_p,[ + rm -rf conftest* + date >conftest.in + mkdir conftest.out + sleep 3 + if $INSTALL -p conftest.in conftest.out 2>/dev/null + then + if test -f conftest.out/conftest.in + then + test conftest.in -nt conftest.out/conftest.in 2>conftest.err && \ + test conftest.out/conftest.in -nt conftest.in 2>conftest.err + if test -s conftest.err + then + cf_cv_install_p=no + else + cf_cv_install_p=yes + fi + else + cf_cv_install_p=no + fi + else + cf_cv_install_p=no + fi + rm -rf conftest* +]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_INSTALL_OPT_S version: 2 updated: 2018/08/18 12:19:21 dnl ---------------- dnl By default, we should strip executables which are installed, but leave the dnl ability to suppress that for unit-testing. @@ -3258,7 +3664,7 @@ AC_DEFUN([CF_INSTALL_OPT_S], [ AC_MSG_CHECKING(if you want to install stripped executables) CF_ARG_DISABLE(stripping, - [ --disable-stripping do not strip installed executables], + [ --disable-stripping do not strip (debug info) installed executables], [with_stripping=no], [with_stripping=yes]) AC_MSG_RESULT($with_stripping) @@ -3325,7 +3731,7 @@ AC_MSG_RESULT($cf_cv_have_isascii) test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII,1,[Define to 1 if we have isascii()]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_LARGEFILE version: 11 updated: 2018/06/20 20:23:13 +dnl CF_LARGEFILE version: 12 updated: 2020/03/19 20:23:48 dnl ------------ dnl Add checks for large file support. AC_DEFUN([CF_LARGEFILE],[ @@ -3365,6 +3771,7 @@ ifdef([AC_FUNC_FSEEKO],[ struct dirent64 *x = readdir((DIR *)0); struct dirent *y = readdir((DIR *)0); int z = x - y; + (void)z; ], [cf_cv_struct_dirent64=yes], [cf_cv_struct_dirent64=no]) @@ -3476,7 +3883,7 @@ AC_SUBST(LDFLAGS_STATIC) AC_SUBST(LDFLAGS_SHARED) ]) dnl --------------------------------------------------------------------------- -dnl CF_LD_RPATH_OPT version: 7 updated: 2016/02/20 18:01:19 +dnl CF_LD_RPATH_OPT version: 8 updated: 2018/08/18 16:36:35 dnl --------------- dnl For the given system and compiler, find the compiler flags to pass to the dnl loader to use the "rpath" feature. @@ -3484,50 +3891,123 @@ AC_DEFUN([CF_LD_RPATH_OPT], [ AC_REQUIRE([CF_CHECK_CACHE]) -LD_RPATH_OPT= -AC_MSG_CHECKING(for an rpath option) -case $cf_cv_system_name in -(irix*) - if test "$GCC" = yes; then - LD_RPATH_OPT="-Wl,-rpath," - else - LD_RPATH_OPT="-rpath " +LD_RPATH_OPT= +if test "x$cf_cv_enable_rpath" != xno +then + AC_MSG_CHECKING(for an rpath option) + case $cf_cv_system_name in + (irix*) + if test "$GCC" = yes; then + LD_RPATH_OPT="-Wl,-rpath," + else + LD_RPATH_OPT="-rpath " + fi + ;; + (linux*|gnu*|k*bsd*-gnu|freebsd*) + LD_RPATH_OPT="-Wl,-rpath," + ;; + (openbsd[[2-9]].*|mirbsd*) + LD_RPATH_OPT="-Wl,-rpath," + ;; + (dragonfly*) + LD_RPATH_OPT="-rpath " + ;; + (netbsd*) + LD_RPATH_OPT="-Wl,-rpath," + ;; + (osf*|mls+*) + LD_RPATH_OPT="-rpath " + ;; + (solaris2*) + LD_RPATH_OPT="-R" + ;; + (*) + ;; + esac + AC_MSG_RESULT($LD_RPATH_OPT) + + case "x$LD_RPATH_OPT" in + (x-R*) + AC_MSG_CHECKING(if we need a space after rpath option) + cf_save_LIBS="$LIBS" + CF_ADD_LIBS(${LD_RPATH_OPT}$libdir) + AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes) + LIBS="$cf_save_LIBS" + AC_MSG_RESULT($cf_rpath_space) + test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT " + ;; + esac +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_LD_SEARCHPATH version: 2 updated: 2019/09/26 20:34:14 +dnl ---------------- +dnl Try to obtain the linker's search-path, for use in scripts. +dnl +dnl Ignore LD_LIBRARY_PATH, etc. +AC_DEFUN([CF_LD_SEARCHPATH],[ +AC_CACHE_CHECK(for linker search path,cf_cv_ld_searchpath,[ + +if test "$cross_compiling" != yes ; then + +# GNU binutils' ld does not involve permissions which may stop ldconfig. +cf_pathlist=`ld --verbose 2>/dev/null | grep SEARCH_DIR | sed -e 's,SEARCH_DIR[[("=]][[("=]]*,,g' -e 's/"[[)]];//gp' | sort -u` + +# The -NX options tell newer versions of Linux ldconfig to not attempt to +# update the cache, which makes it run faster. +test -z "$cf_pathlist" && \ + cf_pathlist=`ldconfig -NX -v 2>/dev/null | sed -e '/^[[ ]]/d' -e 's/:$//' | sort -u` + +test -z "$cf_pathlist" && + cf_pathlist=`ldconfig -v 2>/dev/null | sed -n -e '/^[[ ]]/d' -e 's/:$//p' | sort -u` + +# This works with OpenBSD 6.5, which lists only filenames +test -z "$cf_pathlist" && + cf_pathlist=`ldconfig -v 2>/dev/null | sed -n -e 's,^Adding \(.*\)/.*[$],\1,p' | sort -u` + +if test -z "$cf_pathlist" +then + # dyld default path with MacOS + if test -f /usr/bin/otool && test "x`uname -s`" = xDarwin + then + # do this to bypass check + cf_cv_ld_searchpath='$HOME/lib' + cf_pathlist="/usr/local/lib /lib /usr/lib" + fi +fi + +if test -z "$cf_pathlist" +then + # Solaris is hardcoded + if test -d /opt/SUNWspro/lib + then + cf_pathlist="/opt/SUNWspro/lib /usr/ccs/lib /usr/lib" + elif test -d /usr/ccs/lib + then + cf_pathlist="/usr/ccs/lib /usr/lib" + fi +fi + +fi + +# If nothing else, assume it is conventional +test -z "$cf_pathlist" && cf_pathlist="/usr/lib /lib" + +# Finally, check that this is only directories +for cf_path in [$]0 $cf_pathlist +do + if test -d "$cf_path"; then + test -n "$cf_cv_ld_searchpath" && cf_cv_ld_searchpath="${cf_cv_ld_searchpath} " + cf_cv_ld_searchpath="${cf_cv_ld_searchpath}${cf_path}" fi - ;; -(linux*|gnu*|k*bsd*-gnu|freebsd*) - LD_RPATH_OPT="-Wl,-rpath," - ;; -(openbsd[[2-9]].*|mirbsd*) - LD_RPATH_OPT="-Wl,-rpath," - ;; -(dragonfly*) - LD_RPATH_OPT="-rpath " - ;; -(netbsd*) - LD_RPATH_OPT="-Wl,-rpath," - ;; -(osf*|mls+*) - LD_RPATH_OPT="-rpath " - ;; -(solaris2*) - LD_RPATH_OPT="-R" - ;; -(*) - ;; -esac -AC_MSG_RESULT($LD_RPATH_OPT) +done -case "x$LD_RPATH_OPT" in -(x-R*) - AC_MSG_CHECKING(if we need a space after rpath option) - cf_save_LIBS="$LIBS" - CF_ADD_LIBS(${LD_RPATH_OPT}$libdir) - AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes) - LIBS="$cf_save_LIBS" - AC_MSG_RESULT($cf_rpath_space) - test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT " - ;; -esac +# Ensure that it is nonempty +test -z "$cf_cv_ld_searchpath" && cf_cv_ld_searchpath=/usr/lib +]) + +LD_SEARCHPATH=`echo "$cf_cv_ld_searchpath"|sed -e 's/ /|/g'` +AC_SUBST(LD_SEARCHPATH) ])dnl dnl --------------------------------------------------------------------------- dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48 @@ -3571,7 +4051,7 @@ fi test -z "$cf_cv_libtool_version" && unset cf_cv_libtool_version ])dnl dnl --------------------------------------------------------------------------- -dnl CF_LIB_PREFIX version: 12 updated: 2015/10/17 19:03:33 +dnl CF_LIB_PREFIX version: 13 updated: 2020/04/04 10:11:47 dnl ------------- dnl Compute the library-prefix for the given host system dnl $1 = variable to set @@ -3585,6 +4065,9 @@ define([CF_LIB_PREFIX], LIB_PREFIX='' fi ;; + (*-msvc*) + LIB_PREFIX='' + ;; (*) LIB_PREFIX='lib' ;; esac @@ -3592,7 +4075,7 @@ ifelse($1,,,[$1=$LIB_PREFIX]) AC_SUBST(LIB_PREFIX) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_LIB_RULES version: 87 updated: 2017/07/26 17:08:35 +dnl CF_LIB_RULES version: 90 updated: 2020/04/04 10:11:47 dnl ------------ dnl Append definitions and rules for the given models to the subdirectory dnl Makefiles, and the recursion rule for the top-level Makefile. If the @@ -3613,7 +4096,7 @@ cf_prefix=$LIB_PREFIX AC_REQUIRE([CF_SUBST_NCURSES_VERSION]) case $cf_cv_shlib_version in -(cygdll|msysdll|mingw) +(cygdll|msysdll|mingw|msvcdll) TINFO_NAME=$TINFO_ARG_SUFFIX TINFO_SUFFIX=.dll ;; @@ -3680,8 +4163,13 @@ CF_EOF for cf_item in $cf_LIST_MODELS do CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf) - cf_libname=$cf_dir - test "$cf_dir" = c++ && cf_libname=ncurses++ + if test "$cf_dir" = "c++" + then + CF_MAP_LIB_BASENAME(cf_libname,cxx) + else + CF_MAP_LIB_BASENAME(cf_libname,$cf_dir) + fi + test -z "$cf_libname" && cf_libname="$cf_dir" if test $cf_item = shared ; then if test -n "${LIB_SUFFIX}" then @@ -3736,6 +4224,10 @@ CF_EOF cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'` cf_add_lib="../lib/lib${cf_libname}${cf_cygsuf}" ;; + (msvcdll) + cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'` + cf_add_lib="../lib/${cf_libname}${cf_cygsuf}" + ;; (*) cf_add_lib= ;; @@ -3831,7 +4323,7 @@ CF_EOF CXX_MODEL=$cf_ITEM if test "$CXX_MODEL" = SHARED; then case $cf_cv_shlib_version in - (cygdll|msysdll|mingw) + (cygdll|msysdll|mingw|msvcdll) test "x$with_shared_cxx" = xno && CF_VERBOSE(overriding CXX_MODEL to SHARED) with_shared_cxx=yes ;; @@ -3859,8 +4351,10 @@ CF_EOF ;; esac elif test $cf_dir = c++ ; then - cf_libname=ncurses++$USE_LIB_SUFFIX + CF_MAP_LIB_BASENAME(cf_libname,cxx) + cf_libname=${cf_libname}$USE_LIB_SUFFIX else + CF_MAP_LIB_BASENAME(cf_libname,$cf_dir) cf_libname=${cf_libname}$USE_LIB_SUFFIX fi if test -n "${USE_ARG_SUFFIX}" ; then @@ -3928,6 +4422,7 @@ CF_EOF ShlibVer=$cf_cv_shlib_version \ ShlibVerInfix=$cf_cv_shlib_version_infix \ ReLink=${cf_cv_do_relink:-no} \ + ReRanlib=${cf_cv_do_reranlib:-yes} \ DoLinks=$cf_cv_do_symlinks \ rmSoLocs=$cf_cv_rm_so_locs \ ldconfig="$LDCONFIG" \ @@ -4210,7 +4705,7 @@ fi ]) ]) dnl --------------------------------------------------------------------------- -dnl CF_LIB_SUFFIX version: 25 updated: 2015/04/17 21:13:04 +dnl CF_LIB_SUFFIX version: 26 updated: 2020/04/04 10:11:47 dnl ------------- dnl Compute the library file-suffix from the given model name dnl $1 = model name @@ -4225,11 +4720,25 @@ AC_DEFUN([CF_LIB_SUFFIX], $3=[$]$2 ;; (Xdebug) - $2='_g.a' + case $cf_cv_system_name in + (*-msvc*) + $2='_g.lib' + ;; + (*) + $2='_g.a' + ;; + esac $3=[$]$2 ;; (Xprofile) - $2='_p.a' + case $cf_cv_system_name in + (*-msvc*) + $2='_p.lib' + ;; + (*) + $2='_p.a' + ;; + esac $3=[$]$2 ;; (Xshared) @@ -4238,6 +4747,10 @@ AC_DEFUN([CF_LIB_SUFFIX], $2='.so' $3=[$]$2 ;; + (*-msvc*) + $2='.dll' + $3='.dll.lib' + ;; (cygwin*|msys*|mingw*) $2='.dll' $3='.dll.a' @@ -4265,7 +4778,14 @@ AC_DEFUN([CF_LIB_SUFFIX], esac ;; (*) - $2='.a' + case $target in + (*-msvc*) + $2='.lib' + ;; + (*) + $2='.a' + ;; + esac $3=[$]$2 ;; esac @@ -4294,7 +4814,7 @@ AC_DEFUN([CF_LIB_TYPE], test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}" ])dnl dnl --------------------------------------------------------------------------- -dnl CF_LINK_DATAONLY version: 12 updated: 2017/07/23 17:46:07 +dnl CF_LINK_DATAONLY version: 13 updated: 2020/02/08 15:59:30 dnl ---------------- dnl Some systems have a non-ANSI linker that doesn't pull in modules that have dnl only data (i.e., no functions), for example NeXT. On those systems we'll @@ -4354,6 +4874,7 @@ if test "$cf_cv_link_dataonly" = no ; then AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link]) BROKEN_LINKER=1 fi +AC_SUBST(BROKEN_LINKER) ])dnl dnl --------------------------------------------------------------------------- @@ -5054,6 +5575,17 @@ exit 0 CF_EOF chmod 755 $cf_edit_man +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_MAP_LIB_BASENAME version: 1 updated: 2020/03/07 20:05:14 +dnl ------------------- +dnl Convert a default-libname to the actual one used via CF_WITH_LIB_BASENAME. +dnl +dnl $1 = variable to set +dnl $2 = default-libname +AC_DEFUN([CF_MAP_LIB_BASENAME],[ +CF_UPPER(cf_map_lib_basename,$2) +eval $1=\$${cf_map_lib_basename}_NAME ])dnl dnl --------------------------------------------------------------------------- dnl CF_MATH_LIB version: 9 updated: 2017/01/21 11:06:25 @@ -5297,6 +5829,51 @@ ifelse([$1],,,[$1=$PATH_SEPARATOR]) AC_MSG_RESULT($PATH_SEPARATOR) ])dnl dnl --------------------------------------------------------------------------- +dnl CF_PATH_PROG version: 10 updated: 2019/06/30 19:44:43 +dnl ------------ +dnl Check for a given program, defining corresponding symbol. +dnl $1 = environment variable, which is suffixed by "_PATH" in the #define. +dnl $2 = program name to find. +dnl $3 = optional list of additional program names to test. +dnl $4 = $PATH +dnl +dnl If there is more than one token in the result, #define the remaining tokens +dnl to $1_ARGS. We need this for 'install' in particular. +dnl +dnl FIXME: we should allow this to be overridden by environment variables +dnl +AC_DEFUN([CF_PATH_PROG],[ +AC_REQUIRE([CF_PATHSEP]) +test -z "[$]$1" && $1=$2 +AC_PATH_PROGS($1,[$]$1 $2 ifelse($3,,,$3),[$]$1, ifelse($4,,,$4)) + +cf_path_prog="" +cf_path_args="" +IFS="${IFS:- }"; cf_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR" +for cf_temp in $ac_cv_path_$1 +do + if test -z "$cf_path_prog" ; then + if test "$with_full_paths" = yes ; then + CF_PATH_SYNTAX(cf_temp,break) + cf_path_prog="$cf_temp" + else + cf_path_prog="`basename $cf_temp`" + fi + elif test -z "$cf_path_args" ; then + cf_path_args="$cf_temp" + else + cf_path_args="$cf_path_args $cf_temp" + fi +done +IFS="$cf_save_ifs" + +if test -n "$cf_path_prog" ; then + CF_MSG_LOG(defining path for ${cf_path_prog}) + AC_DEFINE_UNQUOTED($1_PATH,"$cf_path_prog",Define to pathname $1) + test -n "$cf_path_args" && AC_DEFINE_UNQUOTED($1_ARGS,"$cf_path_args",Define to provide args for $1) +fi +])dnl +dnl --------------------------------------------------------------------------- dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57 dnl -------------- dnl Check the argument to see that it looks like a pathname. Rewrite it if it @@ -5370,7 +5947,7 @@ fi AC_SUBST(PKG_CONFIG) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_POSIX_C_SOURCE version: 10 updated: 2018/06/20 20:23:13 +dnl CF_POSIX_C_SOURCE version: 11 updated: 2018/12/31 20:46:17 dnl ----------------- dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed. dnl @@ -5385,7 +5962,10 @@ dnl dnl Parameters: dnl $1 is the nominal value for _POSIX_C_SOURCE AC_DEFUN([CF_POSIX_C_SOURCE], -[ +[AC_REQUIRE([CF_POSIX_VISIBLE])dnl + +if test "$cf_cv_posix_visible" = no; then + cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1]) cf_save_CFLAGS="$CFLAGS" @@ -5442,6 +6022,35 @@ if test "$cf_cv_posix_c_source" != no ; then CF_ADD_CFLAGS($cf_cv_posix_c_source) fi +fi # cf_cv_posix_visible + +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_POSIX_VISIBLE version: 1 updated: 2018/12/31 20:46:17 +dnl ---------------- +dnl POSIX documents test-macros which an application may set before any system +dnl headers are included to make features available. +dnl +dnl Some BSD platforms (originally FreeBSD, but copied by a few others) +dnl diverged from POSIX in 2002 by setting symbols which make all of the most +dnl recent features visible in the system header files unless the application +dnl overrides the corresponding test-macros. Doing that introduces portability +dnl problems. +dnl +dnl This macro makes a special check for the symbols used for this, to avoid a +dnl conflicting definition. +AC_DEFUN([CF_POSIX_VISIBLE], +[ +AC_CACHE_CHECK(if the POSIX test-macros are already defined,cf_cv_posix_visible,[ +AC_TRY_COMPILE([#include ],[ +#if defined(__POSIX_VISIBLE) && ((__POSIX_VISIBLE - 0L) > 0) \ + && defined(__XSI_VISIBLE) && ((__XSI_VISIBLE - 0L) > 0) \ + && defined(__BSD_VISIBLE) && ((__BSD_VISIBLE - 0L) > 0) \ + && defined(__ISO_C_VISIBLE) && ((__ISO_C_VISIBLE - 0L) > 0) +#error conflicting symbols found +#endif +],[cf_cv_posix_visible=no],[cf_cv_posix_visible=yes]) +]) ])dnl dnl --------------------------------------------------------------------------- dnl CF_PREDEFINE version: 2 updated: 2010/05/26 16:44:57 @@ -5517,11 +6126,15 @@ AC_PROG_AWK test -z "$AWK" && AC_MSG_ERROR(No awk program found) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58 +dnl CF_PROG_CC version: 5 updated: 2019/12/31 08:53:54 dnl ---------- dnl standard check for CC, plus followup sanity checks dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name AC_DEFUN([CF_PROG_CC],[ +CF_ACVERSION_CHECK(2.53, + [AC_MSG_WARN(this will incorrectly handle gnatgcc choice) + AC_REQUIRE([AC_PROG_CC])], + []) ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)]) CF_GCC_VERSION CF_ACVERSION_CHECK(2.52, @@ -5586,20 +6199,40 @@ AC_DEFUN([CF_PROG_EGREP], test -z "$EGREP" && AC_MSG_ERROR(No egrep program found) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_PROG_GNAT version: 6 updated: 2018/01/16 16:45:49 +dnl CF_PROG_GNAT version: 10 updated: 2019/12/31 08:53:54 dnl ------------ -dnl Check for gnatmake, ensure that it is complete. +dnl Check for gnat/gnatmake/etc, ensure that the toolset is complete. AC_DEFUN([CF_PROG_GNAT],[ -cf_ada_make=gnatmake -cf_ada_config="#" -AC_CHECK_PROG(gnatmake_exists, $cf_ada_make, yes, no) -if test "$ac_cv_prog_gnatmake_exists" = no; then +for cf_prog_gnat in gnat gnatmake gprconfig gprbuild +do + CF_UPPER(cf_upper_prog_gnat,${cf_prog_gnat}) + + unset ac_cv_path_cf_TEMP_gnat + unset cf_TEMP_gnat + AC_PATH_PROG(cf_TEMP_gnat,$cf_prog_gnat,no) + eval cf_cv_PATH_$cf_upper_prog_gnat=[$]ac_cv_path_cf_TEMP_gnat + + if test "x$cf_TEMP_gnat" != xno; then + unset cf_cv_gnat_version + unset cf_TEMP_gnat + CF_GNAT_VERSION(cf_TEMP_gnat,$cf_prog_gnat) + fi + eval cf_cv_VERSION_$cf_upper_prog_gnat=[$]cf_TEMP_gnat + + unset cf_TEMP_gnat + unset cf_cv_gnat_version + unset ac_cv_path_cf_TEMP_gnat +done + +if test "x$cf_cv_VERSION_GNATMAKE" = "xno"; then cf_ada_make= cf_cv_prog_gnat_correct=no else - AC_CHECK_PROG(gprconfig_exists, gprconfig, yes, no) - if test "$ac_cv_prog_gprconfig_exists" = yes - then + cf_ada_make=gnatmake + if test "x$cf_cv_VERSION_GPRCONFIG" = "xno"; then + # gprconfig is newer than gnatmake; we can continue... + cf_ada_config="##" + else rm -rf conftest* *~conftest* if mkdir conftest.src then @@ -5608,7 +6241,20 @@ else for cf_gprconfig in Ada C do AC_MSG_CHECKING(for gprconfig name for $cf_gprconfig) - cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1` + if test $cf_gprconfig = C + then + for cf_gprconfig_param in \ + $cf_gprconfig,,,,GNATGCC \ + $cf_gprconfig,,,,GCC \ + $cf_gprconfig + do + cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1` + test -n "$cf_gprconfig_value" && break + done + else + cf_gprconfig_param=$cf_gprconfig + cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1` + fi if test -n "$cf_gprconfig_value" then eval cf_ada_config_[$]cf_gprconfig=[$]cf_gprconfig_value @@ -5622,17 +6268,15 @@ else cd .. rm -rf conftest* *~conftest* fi - else - # gprconfig is newer than gnatmake; we can continue... - cf_ada_config="##" fi if test "x$cf_ada_config" != "x#" then CF_GNAT_VERSION + CF_CHECK_GNAT_VERSION AC_CHECK_PROG(M4_exists, m4, yes, no) if test "$ac_cv_prog_M4_exists" = no; then cf_cv_prog_gnat_correct=no - echo Ada95 binding required program m4 not found. Ada95 binding disabled. + AC_MSG_WARN(Ada95 binding required program m4 not found. Ada95 binding disabled) fi if test "$cf_cv_prog_gnat_correct" = yes; then AC_MSG_CHECKING(if GNAT works) @@ -5644,7 +6288,9 @@ begin Text_IO.Put ("Hello World"); Text_IO.New_Line; GNAT.OS_Lib.OS_Exit (0); -end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no]) +end conftest;], +[cf_cv_prog_gnat_correct=yes], +[cf_cv_prog_gnat_correct=no]) AC_MSG_RESULT($cf_cv_prog_gnat_correct) fi else @@ -5696,11 +6342,16 @@ fi AC_SUBST(LDCONFIG) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_PROG_LINT version: 3 updated: 2016/05/22 15:25:54 +dnl CF_PROG_LINT version: 4 updated: 2019/11/20 18:55:37 dnl ------------ AC_DEFUN([CF_PROG_LINT], [ AC_CHECK_PROGS(LINT, lint cppcheck splint) +case "x$LINT" in +(xcppcheck|x*/cppcheck) + test -z "$LINT_OPTS" && LINT_OPTS="--enable=all" + ;; +esac AC_SUBST(LINT_OPTS) ])dnl dnl --------------------------------------------------------------------------- @@ -5726,7 +6377,7 @@ AC_MSG_RESULT($cf_prog_ln_sf) test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f" ])dnl dnl --------------------------------------------------------------------------- -dnl CF_REGEX version: 12 updated: 2015/04/18 08:56:57 +dnl CF_REGEX version: 13 updated: 2020/03/10 18:53:47 dnl -------- dnl Attempt to determine if we've got one of the flavors of regular-expression dnl code that we can support. @@ -5773,6 +6424,8 @@ case $cf_regex_func in AC_TRY_LINK([#include <$cf_regex_hdr>],[ char *p = compile("", "", "", 0); int x = step("", ""); + (void)p; + (void)x; ],[ cf_cv_regex_hdrs=$cf_regex_hdr break @@ -5784,9 +6437,11 @@ case $cf_regex_func in do AC_TRY_LINK([#include #include <$cf_regex_hdr>],[ - regex_t *p; + regex_t *p = 0; int x = regcomp(p, "", 0); int y = regexec(p, "", 0, 0, 0); + (void)x; + (void)y; regfree(p); ],[ cf_cv_regex_hdrs=$cf_regex_hdr @@ -5836,6 +6491,17 @@ define([CF_REMOVE_LIB], $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'` ])dnl dnl --------------------------------------------------------------------------- +dnl CF_RESTORE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:47:45 +dnl --------------------- +dnl Restore flags saved in CF_SAVE_XTRA_FLAGS +dnl $1 = name of current macro +define([CF_RESTORE_XTRA_FLAGS], +[ +LIBS="$cf_save_LIBS_$1" +CFLAGS="$cf_save_CFLAGS_$1" +CPPFLAGS="$cf_save_CPPFLAGS_$1" +])dnl +dnl --------------------------------------------------------------------------- dnl CF_RPATH_HACK version: 11 updated: 2013/09/01 13:02:00 dnl ------------- AC_DEFUN([CF_RPATH_HACK], @@ -5953,7 +6619,32 @@ CF_VERBOSE(...checked $1 [$]$1) AC_SUBST(EXTRA_LDFLAGS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_SHARED_OPTS version: 92 updated: 2017/12/30 17:26:05 +dnl CF_SAVE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:46:44 +dnl ------------------ +dnl Use this macro to save CFLAGS/CPPFLAGS/LIBS before checks against X headers +dnl and libraries which do not update those variables. +dnl +dnl $1 = name of current macro +define([CF_SAVE_XTRA_FLAGS], +[ +cf_save_LIBS_$1="$LIBS" +cf_save_CFLAGS_$1="$CFLAGS" +cf_save_CPPFLAGS_$1="$CPPFLAGS" +LIBS="$LIBS ${X_PRE_LIBS} ${X_LIBS} ${X_EXTRA_LIBS}" +for cf_X_CFLAGS in $X_CFLAGS +do + case "x$cf_X_CFLAGS" in + x-[[IUD]]*) + CPPFLAGS="$CPPFLAGS $cf_X_CFLAGS" + ;; + *) + CFLAGS="$CFLAGS $cf_X_CFLAGS" + ;; + esac +done +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SHARED_OPTS version: 96 updated: 2020/05/23 19:39:36 dnl -------------- dnl -------------- dnl Attempt to determine the appropriate CC/LD options for creating a shared @@ -5981,6 +6672,7 @@ dnl Some loaders leave 'so_locations' lying around. It's nice to clean up. AC_DEFUN([CF_SHARED_OPTS], [ AC_REQUIRE([CF_LD_RPATH_OPT]) + RM_SHARED_OPTS= LOCAL_LDFLAGS= LOCAL_LDFLAGS2= @@ -6168,7 +6860,7 @@ CF_EOF cf_cv_rm_so_locs=yes ;; (linux*|gnu*|k*bsd*-gnu) - if test "$DFT_LWR_MODEL" = "shared" ; then + if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" fi @@ -6178,6 +6870,108 @@ CF_EOF CF_SHARED_SONAME MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]' ;; + (mingw*msvc*) + cf_cv_shlib_version=msvcdll + cf_cv_shlib_version_infix=msvcdll + shlibdir=$bindir + MAKE_DLLS= + if test "$DFT_LWR_MODEL" = "shared" ; then + LOCAL_LDFLAGS="-link -dll" + LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" + EXTRA_LDFLAGS="-link -dll $EXTRA_LDFLAGS" + fi + CC_SHARED_OPTS= + MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ ${LD} [$]{CFLAGS}' + RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.lib" + cat >mk_shared_lib.sh <<-CF_EOF + #!$SHELL + SHARED_LIB=\[$]1 + IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.lib/'\` + shift + my_ld=\[$]1 + shift + cat <<-EOF + Linking shared library + ** SHARED LIB \$SHARED_LIB + ** IMPORT_LIB \$IMPORT_LIB +EOF + args=\$(echo \[$]* | sed -E "s#-l(\w*)#\1.dll.lib#g" | sed -E "s#-L(\w*)#-LIBPATH:\1#g") + exec \$my_ld -DLL -IMPLIB:"\${IMPORT_LIB}" -OUT:"\${SHARED_LIB}" ${LDFLAGS} \$args + mv "\${IMPORT_LIB}" "\${IMPORT_LIB}" +CF_EOF + chmod +x mk_shared_lib.sh + cat >mk_prog.sh <<-CF_EOF + #!$SHELL + shift + # Ignore first argument (compiler) and use LD (link.exe) unconditionally + LD="[$]LD" + clopts=() + ldopts=() + libs=() + isdll=0 + while test \[$]# -gt 0; do + case "\[$]1" in + -link) + # ignore -link argument + ;; + -dll) + isdll=1 + ;; + -W* | -w*) + # ignore warnings + ;; + -D*) + clopts+=("\[$]1") + ;; + -I*) + clopts+=("\[$]1") + ;; + -l*) + libs+=("\`echo \"\[$]1\" | sed \"s/^-l//\"\`") + ;; + -L*) + ldopts+=("\`echo \"\[$]1\" | sed \"s/^-L/-LIBPATH:/\"\`") + ;; + *.obj | *.o) + ldopts+=("\[$]1") + ;; + -Wl,*) + for linkarg in \`echo '\[$]1' | sed -e 's/-Wl,//' -e 's/,/ /'\`; do + ldopts+=("\[$]{linkarg}") + done + ;; + *.lib) + ldopts+=("\[$]1") + ;; + -o) + shift + ldopts+=("-out:\[$]1") + ;; + *) + clopts+=("\[$]1") + ldopts+=("\[$]1") + ;; + esac + shift + done + if [[ "\$isdll" -ne 0 ]]; then + for lib in \[$]{libs[[*]]}; do + ldopts+=("\[$]lib.dll.lib") + done + else + for lib in \[$]{libs[[*]]}; do + ldopts+=("\[$]lib.lib") + done + fi + cat <<-EOF + Creating program + ** ld options: "\[$]{ldopts[[@]]}" +EOF + exec \[$]LD \[$]{ldopts[[@]]} +CF_EOF + chmod +x mk_prog.sh + LINK_PROGS="$SHELL ${rel_builddir}/mk_prog.sh" + ;; (mingw*) cf_cv_shlib_version=mingw cf_cv_shlib_version_infix=mingw @@ -6206,7 +7000,7 @@ CF_EOF chmod +x mk_shared_lib.sh ;; (openbsd[[2-9]].*|mirbsd*) - if test "$DFT_LWR_MODEL" = "shared" ; then + if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" fi @@ -6262,7 +7056,7 @@ CF_EOF ;; esac MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]' - if test "$DFT_LWR_MODEL" = "shared" ; then + if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" fi @@ -6413,12 +7207,12 @@ define([CF_SHARED_SONAME], fi ]) dnl --------------------------------------------------------------------------- -dnl CF_SIGWINCH version: 1 updated: 2006/04/02 16:41:09 +dnl CF_SIGWINCH version: 3 updated: 2020/03/10 18:53:47 dnl ----------- dnl Use this macro after CF_XOPEN_SOURCE, but do not require it (not all dnl programs need this test). dnl -dnl This is really a MacOS X 10.4.3 workaround. Defining _POSIX_C_SOURCE +dnl This is really a Mac OS X 10.4.3 workaround. Defining _POSIX_C_SOURCE dnl forces SIGWINCH to be undefined (breaks xterm, ncurses). Oddly, the struct dnl winsize declaration is left alone - we may revisit this if Apple choose to dnl break that part of the interface as well. @@ -6428,7 +7222,7 @@ AC_CACHE_CHECK(if SIGWINCH is defined,cf_cv_define_sigwinch,[ AC_TRY_COMPILE([ #include #include -],[int x = SIGWINCH], +],[int x = SIGWINCH; (void)x], [cf_cv_define_sigwinch=yes], [AC_TRY_COMPILE([ #undef _XOPEN_SOURCE @@ -6436,7 +7230,7 @@ AC_CACHE_CHECK(if SIGWINCH is defined,cf_cv_define_sigwinch,[ #undef _POSIX_C_SOURCE #include #include -],[int x = SIGWINCH], +],[int x = SIGWINCH; (void)x], [cf_cv_define_sigwinch=maybe], [cf_cv_define_sigwinch=no]) ]) @@ -6458,7 +7252,7 @@ do #if SIGWINCH != $cf_sigwinch make an error #endif -int x = SIGWINCH], +int x = SIGWINCH; (void)x], [cf_cv_fixup_sigwinch=$cf_sigwinch break]) @@ -6472,9 +7266,9 @@ done fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_SIG_ATOMIC_T version: 3 updated: 2012/10/04 20:12:20 +dnl CF_SIG_ATOMIC_T version: 5 updated: 2020/03/10 18:53:47 dnl --------------- -dnl signal handler, but there are some gcc depedencies in that recommendation. +dnl signal handler, but there are some gcc dependencies in that recommendation. dnl Try anyway. AC_DEFUN([CF_SIG_ATOMIC_T], [ @@ -6494,6 +7288,7 @@ extern $cf_type x; $cf_type x; static void handler(int sig) { + (void)sig; x = 5; }], [signal(SIGINT, handler); @@ -6507,7 +7302,7 @@ AC_MSG_RESULT($cf_cv_sig_atomic_t) test "$cf_cv_sig_atomic_t" != no && AC_DEFINE_UNQUOTED(SIG_ATOMIC_T, $cf_cv_sig_atomic_t,[Define to signal global datatype]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_SIZECHANGE version: 14 updated: 2018/06/20 20:23:13 +dnl CF_SIZECHANGE version: 16 updated: 2020/03/19 20:46:13 dnl ------------- dnl Check for definitions & structures needed for window size-changing dnl @@ -6550,13 +7345,17 @@ do ],[ #ifdef TIOCGSIZE struct ttysize win; /* SunOS 3.0... */ - int y = win.ts_lines; - int x = win.ts_cols; + int y = win.ts_lines = 2; + int x = win.ts_cols = 1; + (void)y; + (void)x; #else #ifdef TIOCGWINSZ struct winsize win; /* everything else */ - int y = win.ws_row; - int x = win.ws_col; + int y = win.ws_row = 2; + int x = win.ws_col = 1; + (void)y; + (void)x; #else no TIOCGSIZE or TIOCGWINSZ #endif /* TIOCGWINSZ */ @@ -6583,7 +7382,7 @@ if test "$cf_cv_sizechange" != no ; then fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_SRC_MODULES version: 30 updated: 2017/07/26 17:08:35 +dnl CF_SRC_MODULES version: 32 updated: 2020/03/07 20:05:14 dnl -------------- dnl For each parameter, test if the source-directory exists, and if it contains dnl a 'modules' file. If so, add to the list $cf_cv_src_modules which we'll @@ -6593,6 +7392,7 @@ dnl This uses the configured value to make the lists SRC_SUBDIRS and dnl SUB_MAKEFILES which are used in the makefile-generation scheme. AC_DEFUN([CF_SRC_MODULES], [ +AC_REQUIRE([CF_CHECK_GNAT_VERSION]) AC_MSG_CHECKING(for src modules) # dependencies and linker-arguments for test-programs @@ -6636,14 +7436,15 @@ do CF_UPPER(cf_have_include,$cf_dir) AC_DEFINE_UNQUOTED(HAVE_${cf_have_include}_H) AC_DEFINE_UNQUOTED(HAVE_LIB${cf_have_include}) - TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEPS" - TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEP2" + CF_MAP_LIB_BASENAME(TEST_ROOT,$cf_dir) + TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${TEST_ROOT}${DFT_DEP_SUFFIX} $TEST_DEPS" + TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${TEST_ROOT}${DFT_DEP_SUFFIX} $TEST_DEP2" if test "$DFT_LWR_MODEL" = "libtool"; then TEST_ARGS="${TEST_DEPS}" TEST_ARG2="${TEST_DEP2}" else - TEST_ARGS="-l${cf_dir}${USE_ARG_SUFFIX} $TEST_ARGS" - TEST_ARG2="-l${cf_dir}${USE_ARG_SUFFIX} $TEST_ARG2" + TEST_ARGS="-l${TEST_ROOT}${USE_ARG_SUFFIX} $TEST_ARGS" + TEST_ARG2="-l${TEST_ROOT}${USE_ARG_SUFFIX} $TEST_ARG2" fi PC_MODULES_TO_MAKE="${PC_MODULES_TO_MAKE} ${cf_dir}${USE_ARG_SUFFIX}" fi @@ -6793,7 +7594,7 @@ AC_MSG_RESULT($sigact_bad) fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_STRUCT_TERMIOS version: 9 updated: 2018/06/08 21:57:23 +dnl CF_STRUCT_TERMIOS version: 11 updated: 2020/03/19 20:46:13 dnl ----------------- dnl Some machines require _POSIX_SOURCE to completely define struct termios. AC_DEFUN([CF_STRUCT_TERMIOS],[ @@ -6816,12 +7617,12 @@ if test "$ac_cv_header_termios_h" = yes ; then if test "$termios_bad" = maybe ; then AC_MSG_CHECKING(whether termios.h needs _POSIX_SOURCE) AC_TRY_COMPILE([#include ], - [struct termios foo; int x = foo.c_iflag], + [struct termios foo; int x = foo.c_iflag = 1; (void)x], termios_bad=no, [ AC_TRY_COMPILE([ #define _POSIX_SOURCE #include ], - [struct termios foo; int x = foo.c_iflag], + [struct termios foo; int x = foo.c_iflag = 2; (void)x], termios_bad=unknown, termios_bad=yes AC_DEFINE(_POSIX_SOURCE,1,[Define to 1 if we must define _POSIX_SOURCE])) ]) @@ -6931,6 +7732,33 @@ top_builddir=ifelse($1,,`pwd`,$1) AC_SUBST(top_builddir) ])dnl dnl --------------------------------------------------------------------------- +dnl CF_TRY_PKG_CONFIG version: 5 updated: 2013/07/06 21:27:06 +dnl ----------------- +dnl This is a simple wrapper to use for pkg-config, for libraries which may be +dnl available in that form. +dnl +dnl $1 = package name +dnl $2 = extra logic to use, if any, after updating CFLAGS and LIBS +dnl $3 = logic to use if pkg-config does not have the package +AC_DEFUN([CF_TRY_PKG_CONFIG],[ +AC_REQUIRE([CF_PKG_CONFIG]) + +if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists $1; then + CF_VERBOSE(found package $1) + cf_pkgconfig_incs="`$PKG_CONFIG --cflags $1 2>/dev/null`" + cf_pkgconfig_libs="`$PKG_CONFIG --libs $1 2>/dev/null`" + CF_VERBOSE(package $1 CFLAGS: $cf_pkgconfig_incs) + CF_VERBOSE(package $1 LIBS: $cf_pkgconfig_libs) + CF_ADD_CFLAGS($cf_pkgconfig_incs) + CF_ADD_LIBS($cf_pkgconfig_libs) + ifelse([$2],,:,[$2]) +else + cf_pkgconfig_incs= + cf_pkgconfig_libs= + ifelse([$3],,:,[$3]) +fi +]) +dnl --------------------------------------------------------------------------- dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13 dnl ------------------- dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we @@ -7088,10 +7916,11 @@ if test "$cf_cv_utf8_lib" = "add-on" ; then fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_VA_COPY version: 3 updated: 2012/10/06 11:17:15 +dnl CF_VA_COPY version: 6 updated: 2018/12/04 18:14:25 dnl ---------- -dnl check for va_copy, part of stdarg.h +dnl check for va_copy, part of stdarg.h starting with ISO C 1999. dnl Also, workaround for glibc's __va_copy, by checking for both. +dnl Finally, try to accommodate pre-ISO C 1999 headers. AC_DEFUN([CF_VA_COPY],[ AC_CACHE_CHECK(for va_copy, cf_cv_have_va_copy,[ AC_TRY_LINK([ @@ -7103,7 +7932,10 @@ AC_TRY_LINK([ cf_cv_have_va_copy=yes, cf_cv_have_va_copy=no)]) -test "$cf_cv_have_va_copy" = yes && AC_DEFINE(HAVE_VA_COPY,1,[Define to 1 if we have va_copy]) +if test "$cf_cv_have_va_copy" = yes; +then + AC_DEFINE(HAVE_VA_COPY,1,[Define to 1 if we have va_copy]) +else # !cf_cv_have_va_copy AC_CACHE_CHECK(for __va_copy, cf_cv_have___va_copy,[ AC_TRY_LINK([ @@ -7115,7 +7947,58 @@ AC_TRY_LINK([ cf_cv_have___va_copy=yes, cf_cv_have___va_copy=no)]) -test "$cf_cv_have___va_copy" = yes && AC_DEFINE(HAVE___VA_COPY,1,[Define to 1 if we have __va_copy]) +if test "$cf_cv_have___va_copy" = yes +then + AC_DEFINE(HAVE___VA_COPY,1,[Define to 1 if we have __va_copy]) +else # !cf_cv_have___va_copy + +AC_CACHE_CHECK(for __builtin_va_copy, cf_cv_have___builtin_va_copy,[ +AC_TRY_LINK([ +#include +],[ + static va_list dst; + static va_list src; + __builtin_va_copy(dst, src)], + cf_cv_have___builtin_va_copy=yes, + cf_cv_have___builtin_va_copy=no)]) + +test "$cf_cv_have___builtin_va_copy" = yes && + AC_DEFINE(HAVE___BUILTIN_VA_COPY,1,[Define to 1 if we have __builtin_va_copy]) + +fi # cf_cv_have___va_copy + +fi # cf_cv_have_va_copy + +case "${cf_cv_have_va_copy}${cf_cv_have___va_copy}${cf_cv_have___builtin_va_copy}" in +(*yes*) + ;; + +(*) + AC_CACHE_CHECK(if we can simply copy va_list, cf_cv_pointer_va_list,[ +AC_TRY_LINK([ +#include +],[ + va_list dst; + va_list src; + dst = src], + cf_cv_pointer_va_list=yes, + cf_cv_pointer_va_list=no)]) + + if test "$cf_cv_pointer_va_list" = no + then + AC_CACHE_CHECK(if we can copy va_list indirectly, cf_cv_array_va_list,[ +AC_TRY_LINK([ +#include +],[ + va_list dst; + va_list src; + *dst = *src], + cf_cv_array_va_list=yes, + cf_cv_array_va_list=no)]) + test "$cf_cv_array_va_list" = yes && AC_DEFINE(ARRAY_VA_LIST,1,[Define to 1 if we can copy va_list indirectly]) + fi + ;; +esac ]) dnl --------------------------------------------------------------------------- dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12 @@ -7348,6 +8231,27 @@ AC_SUBST(ADA_INCLUDE) AC_MSG_RESULT($ADA_INCLUDE) ])dnl dnl --------------------------------------------------------------------------- +dnl CF_WITH_ADA_LIBNAME version: 1 updated: 2019/09/07 18:59:41 +dnl ------------------- +dnl CF_WITH_ADA_LIBNAME +dnl ------------------- +dnl Command-line option to specify how to name the resulting Ada library. +dnl $1 = default value +AC_DEFUN([CF_WITH_ADA_LIBNAME],[ +AC_MSG_CHECKING(for ada-libname) +AC_ARG_WITH(ada-libname, + [ --with-ada-libname=XXX override default Ada library-name], + ADA_LIBNAME=[$]withval, + ADA_LIBNAME=$1) +case "x$ADA_LIBNAME" in +(x|xyes|xno) + ADA_LIBNAME=$1 + ;; +esac +AC_SUBST(ADA_LIBNAME) +AC_MSG_RESULT($ADA_LIBNAME) +])dnl +dnl --------------------------------------------------------------------------- dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58 dnl ------------------- dnl Command-line option to specify where Ada objects will install. @@ -7362,11 +8266,12 @@ AC_SUBST(ADA_OBJECTS) AC_MSG_RESULT($ADA_OBJECTS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_WITH_ADA_SHAREDLIB version: 4 updated: 2014/05/31 21:08:37 +dnl CF_WITH_ADA_SHAREDLIB version: 5 updated: 2018/07/21 19:10:35 dnl --------------------- dnl Command-line option to specify if an Ada95 shared-library should be built, dnl and optionally what its soname should be. AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[ +AC_REQUIRE([CF_GNAT_PROJECTS]) AC_MSG_CHECKING(if an Ada95 shared-library should be built) AC_ARG_WITH(ada-sharedlib, [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)], @@ -7374,6 +8279,15 @@ AC_ARG_WITH(ada-sharedlib, [with_ada_sharedlib=no]) AC_MSG_RESULT($with_ada_sharedlib) +if test "x$with_ada_sharedlib" != xno +then + if test "x$cf_gnat_projects" != xyes + then + AC_MSG_WARN(disabling shared-library since GNAT projects are not supported) + with_ada_sharedlib=no + fi +fi + ADA_SHAREDLIB='lib$(LIB_NAME).so.1' MAKE_ADA_SHAREDLIB="#" @@ -7648,6 +8562,35 @@ esac AC_SUBST(LIBTOOL_OPTS) ])dnl dnl --------------------------------------------------------------------------- +dnl CF_WITH_LIB_BASENAME version: 1 updated: 2020/03/07 20:05:14 +dnl -------------------- +dnl Allow for overriding the basename of a library, i.e., the part to which +dnl prefixes/suffixes are attached. +dnl +dnl $1 = variable to set +dnl $2 = option name +dnl $3 = default basename for library, if omitted use $2 +AC_DEFUN([CF_WITH_LIB_BASENAME], +[ +AC_MSG_CHECKING(for desired basename for $2 library) +AC_ARG_WITH($2-libname, + [ --with-$2-libname=XXX override ifelse($3,,$2,$3) basename of library], + [with_lib_basename=$withval], + [with_lib_basename=ifelse($3,,$2,$3)]) +$1="$with_lib_basename" + +case "x[$]$1" in +(x|xno|xnone|xyes) + $1=ifelse($3,,$2,$3) + ;; +(*) + ;; +esac + +AC_MSG_RESULT([$]$1) +AC_SUBST($1) +])dnl +dnl --------------------------------------------------------------------------- dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10 dnl ------------------ dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no @@ -7745,6 +8688,74 @@ case "x$cf_dst_eval" in esac AC_SUBST($3)dnl +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_WITH_PATH_PROG version: 1 updated: 2019/06/30 19:44:43 +dnl ----------------- +dnl Check for a given program, like CF_PATH_PROG, but allow override using a +dnl "--with-xxx" option. +dnl +dnl Parameters: +dnl $1 = environment variable to set/update +dnl $2 = program name +dnl $3 = help-text +dnl $4 = $PATH +AC_DEFUN([CF_WITH_PATH_PROG],[ +AC_ARG_WITH($2-path, + [ --with-$2-path=XXX specify path of $2 ifelse($3,,,$3)], + [AC_MSG_CHECKING(for $2 program ifelse($3,,,$3)) + $1=$withval + AC_MSG_RESULT([$]$1) + CF_PATH_SYNTAX($1) + ], + [CF_PATH_PROG($1,$2,,ifelse($4,,,$4)) + if test -z "[$]$1" + then + AC_MSG_WARN(no $2 program found ifelse($3,,,$3)) + fi + ]) +]) +dnl --------------------------------------------------------------------------- +dnl CF_WITH_PCRE2 version: 3 updated: 2020/02/29 16:09:19 +dnl ------------- +dnl Add PCRE2 (Perl-compatible regular expressions v2) to the build if it is +dnl available and the user requests it. Assume the application will otherwise +dnl use the POSIX interface. +dnl +dnl TODO allow $withval to specify package location +AC_DEFUN([CF_WITH_PCRE2], +[ +AC_REQUIRE([CF_PKG_CONFIG]) + +AC_MSG_CHECKING(if you want to use PCRE2 for regular-expressions) +AC_ARG_WITH(pcre2, + [ --with-pcre2 use PCRE2 for regular-expressions]) +test -z "$with_pcre2" && with_pcre2=no +AC_MSG_RESULT($with_pcre2) + +if test "x$with_pcre2" != xno ; then + CF_TRY_PKG_CONFIG(libpcre2,,[ + CF_TRY_PKG_CONFIG(libpcre,,[ + AC_MSG_ERROR(Cannot find PCRE2 library)])]) + + AC_DEFINE(HAVE_LIB_PCRE2,1,[Define to 1 if we can/should compile with the PCRE2 library]) + + # if pkgconfig gave no results, look for the libraries directly + case $LIBS in + (*pcre2-posix*|*pcreposix*) + ;; + (*) + AC_CHECK_LIB(pcre2-posix,regcomp,[ + CF_ADD_LIB(pcre2-posix)], + [AC_CHECK_LIB(pcreposix,regcomp,[ + CF_ADD_LIB(pcreposix) + ],[AC_MSG_ERROR(Cannot find PCRE2 POSIX library)])]) + ;; + esac + + # either way, check for the library header files + AC_CHECK_HEADERS(pcre2posix.h pcreposix.h) +fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56 @@ -7953,7 +8964,7 @@ CF_NO_LEAKS_OPTION(valgrind, [USE_VALGRIND]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_WITH_VERSIONED_SYMS version: 7 updated: 2015/10/24 20:50:26 +dnl CF_WITH_VERSIONED_SYMS version: 8 updated: 2018/10/20 20:24:34 dnl ---------------------- dnl Use this when building shared library with ELF, to markup symbols with the dnl version identifier from the given input file. Generally that identifier is @@ -7967,11 +8978,21 @@ AC_ARG_WITH(versioned-syms, [ --with-versioned-syms=X markup versioned symbols using ld], [with_versioned_syms=$withval], [with_versioned_syms=no]) -if test "x$with_versioned_syms" = xyes -then +case "x$with_versioned_syms" in +(xyes) with_versioned_syms='${top_srcdir}/package/ifelse($1,,${PACKAGE},[$1]).map' AC_SUBST(PACKAGE) -fi + ;; +(xno) + ;; +(x/*) + test -f "$with_versioned_syms" || AC_MSG_ERROR(expected a filename: $with_versioned_syms) + ;; +(*) + test -f "$with_versioned_syms" || AC_MSG_ERROR(expected a filename: $with_versioned_syms) + with_versioned_syms=`pwd`/"$with_versioned_syms" + ;; +esac AC_MSG_RESULT($with_versioned_syms) RESULTING_SYMS= @@ -8080,7 +9101,7 @@ AC_SUBST(VERSIONED_SYMS) AC_SUBST(WILDCARD_SYMS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_WITH_X11_RGB version: 1 updated: 2017/11/25 17:32:16 +dnl CF_WITH_X11_RGB version: 2 updated: 2019/12/31 08:53:54 dnl --------------- dnl Handle configure option "--with-x11-rgb", setting these shell dnl variables: @@ -8156,7 +9177,7 @@ fi AC_MSG_RESULT($RGB_PATH) AC_SUBST(RGB_PATH) -AC_DEFINE_UNQUOTED(RGB_PATH,"$cf_path") +AC_DEFINE_UNQUOTED(RGB_PATH,"$cf_path",[Define to the full pathname of rgb.txt]) no_x11_rgb= if test "$RGB_PATH" = no @@ -8166,7 +9187,7 @@ fi AC_SUBST(no_x11_rgb) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_XOPEN_SOURCE version: 53 updated: 2018/06/16 18:58:58 +dnl CF_XOPEN_SOURCE version: 55 updated: 2018/12/31 20:46:17 dnl --------------- dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions, dnl or adapt to the vendor's definitions to get equivalent functionality, @@ -8177,6 +9198,9 @@ dnl $1 is the nominal value for _XOPEN_SOURCE dnl $2 is the nominal value for _POSIX_C_SOURCE AC_DEFUN([CF_XOPEN_SOURCE],[ AC_REQUIRE([AC_CANONICAL_HOST]) +AC_REQUIRE([CF_POSIX_VISIBLE]) + +if test "$cf_cv_posix_visible" = no; then cf_XOPEN_SOURCE=ifelse([$1],,500,[$1]) cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2]) @@ -8196,7 +9220,7 @@ case $host_os in cf_xopen_source="-D_DARWIN_C_SOURCE" cf_XOPEN_SOURCE= ;; -(freebsd*|dragonfly*) +(freebsd*|dragonfly*|midnightbsd*) # 5.x headers associate # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L @@ -8291,4 +9315,5 @@ make an error CF_TRY_XOPEN_SOURCE fi fi +fi # cf_cv_posix_visible ])