X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=aclocal.m4;h=1d8668553cbc7cdf2d6c76c7a829977b43ea8b68;hp=84975a6c5690d8f2257a1272dfc5e60e6a3100a9;hb=2ba352d86b57bddd1dd2a6e20892f380c34180b7;hpb=96a4663880a73a00b11700da8a404fdd56833925;ds=sidebyside diff --git a/aclocal.m4 b/aclocal.m4 index 84975a6c..1d866855 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -1,5 +1,6 @@ dnl*************************************************************************** -dnl Copyright (c) 1998-2019,2020 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 * @@ -28,7 +29,7 @@ dnl*************************************************************************** dnl dnl Author: Thomas E. Dickey 1995-on dnl -dnl $Id: aclocal.m4,v 1.892 2020/01/12 00:10:43 tom Exp $ +dnl $Id: aclocal.m4,v 1.931 2020/09/12 22:30:53 tom Exp $ dnl Macros used in NCURSES auto-configuration script. dnl dnl These macros are maintained separately from NCURSES. The copyright on @@ -41,7 +42,7 @@ 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 @@ -54,7 +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) ]) @@ -157,10 +158,11 @@ 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_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 @@ -243,6 +245,23 @@ fi AC_SUBST(EXTRA_CPPFLAGS) +])dnl +dnl --------------------------------------------------------------------------- +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_INCDIR version: 15 updated: 2018/06/20 20:23:13 @@ -441,7 +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 @@ -452,39 +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 @@ -956,7 +991,7 @@ fi CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2])) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CHECK_ERRNO version: 12 updated: 2015/04/18 08:56:57 +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 @@ -974,7 +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_$1=no]) ]) @@ -1011,6 +1046,28 @@ if test "$cf_cv_have_$1" = yes ; then AC_DEFINE_UNQUOTED($cf_result) 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 @@ -1139,13 +1196,13 @@ then fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CHECK_GNAT_VERSION version: 2 updated: 2019/12/31 08:53:54 +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]].*|20[[0-9]][[0-9]]) +(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 ;; (*) @@ -1393,7 +1450,7 @@ main(void) ]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35 +dnl CF_CLANG_COMPILER version: 3 updated: 2020/08/28 04:10:22 dnl ----------------- dnl Check if the given compiler is really clang. clang's C driver defines dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does @@ -1424,9 +1481,13 @@ cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments" ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS" AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2])) fi + +if test "x$CLANG_COMPILER" = "xyes" ; then + CF_APPEND_TEXT(CFLAGS,-Wno-error=implicit-function-declaration) +fi ]) dnl --------------------------------------------------------------------------- -dnl CF_CONST_X_STRING version: 3 updated: 2020/01/11 18:39:22 +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. @@ -1456,7 +1517,7 @@ AC_TRY_COMPILE( #include #include ], -[String foo = malloc(1)],[ +[String foo = malloc(1); (void)foo],[ AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[ AC_TRY_COMPILE( @@ -1818,6 +1879,28 @@ 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 @@ -1910,6 +1993,36 @@ if test "x$with_string_hacks" = "xyes"; then fi ])dnl dnl --------------------------------------------------------------------------- +dnl CF_ENABLE_WARNINGS version: 7 updated: 2020/08/29 09:05:21 +dnl ------------------ +dnl Configure-option to enable gcc warnings +dnl +dnl $1 = extra options to add, if supported +dnl $2 = option for checking attributes. By default, this is done when +dnl warnings are enabled. For other values: +dnl yes: always do this, e.g., to use in generated library-headers +dnl no: never do this +AC_DEFUN([CF_ENABLE_WARNINGS],[ +if ( test "$GCC" = yes || test "$GXX" = yes ) +then +CF_FIX_WARNINGS(CFLAGS) +CF_FIX_WARNINGS(CPPFLAGS) +CF_FIX_WARNINGS(LDFLAGS) +AC_MSG_CHECKING(if you want to turn on gcc warnings) +CF_ARG_ENABLE(warnings, + [ --enable-warnings test: turn on gcc compiler warnings], + [with_warnings=yes], + [with_warnings=no]) +AC_MSG_RESULT($with_warnings) +if test "$with_warnings" = "yes" +then + ifelse($2,,[CF_GCC_ATTRIBUTES]) + CF_GCC_WARNINGS($1) +fi +ifelse($2,yes,[CF_GCC_ATTRIBUTES]) +fi +])dnl +dnl --------------------------------------------------------------------------- dnl CF_ERRNO version: 5 updated: 1997/11/30 12:44:39 dnl -------- dnl Check if 'errno' is declared in @@ -2138,6 +2251,40 @@ AC_DEFUN([CF_FIXUP_ADAFLAGS],[ AC_MSG_RESULT($ADAFLAGS) ])dnl dnl --------------------------------------------------------------------------- +dnl CF_FIX_WARNINGS version: 2 updated: 2020/08/28 15:08:28 +dnl --------------- +dnl Warning flags do not belong in CFLAGS, CPPFLAGS, etc. Any of gcc's +dnl "-Werror" flags can interfere with configure-checks. Those go into +dnl EXTRA_CFLAGS. +dnl +dnl $1 = variable name to repair +define([CF_FIX_WARNINGS],[ +if ( test "$GCC" = yes || test "$GXX" = yes ) +then + case [$]$1 in + (*-Werror=*) + CF_VERBOSE(repairing $1: [$]$1) + cf_temp_flags= + for cf_temp_scan in [$]$1 + do + case "x$cf_temp_scan" in + (x-Werror=*) + CF_APPEND_TEXT(EXTRA_CFLAGS,"$cf_temp_scan") + ;; + (*) + CF_APPEND_TEXT(cf_temp_flags,"$cf_temp_scan") + ;; + esac + done + $1="$cf_temp_flags" + CF_VERBOSE(... fixed [$]$1) + CF_VERBOSE(... extra $EXTRA_CFLAGS) + ;; + esac +fi +AC_SUBST(EXTRA_CFLAGS) +])dnl +dnl --------------------------------------------------------------------------- dnl CF_FOPEN_BIN_R version: 2 updated: 2019/12/31 08:53:54 dnl -------------- dnl Check if fopen works when the "b" (binary) flag is added to the mode @@ -2453,14 +2600,14 @@ esac ])dnl dnl --------------------------------------------------------------------------- -dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00 +dnl CF_GCC_ATTRIBUTES version: 19 updated: 2020/08/29 09:05:21 dnl ----------------- dnl Test for availability of useful gcc __attribute__ directives to quiet dnl compiler warnings. Though useful, not all are supported -- and contrary dnl to documentation, unrecognized directives cause older compilers to barf. AC_DEFUN([CF_GCC_ATTRIBUTES], [ -if test "$GCC" = yes +if ( test "$GCC" = yes || test "$GXX" = yes ) then cat > conftest.i < conftest.$ac_ext <],[ char *p = compile("", "", "", 0); int x = step("", ""); + (void)p; + (void)x; ],[ cf_cv_regex_hdrs=$cf_regex_hdr break @@ -6304,9 +6514,11 @@ 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=$cf_regex_hdr @@ -6509,7 +6721,7 @@ do done ])dnl dnl --------------------------------------------------------------------------- -dnl CF_SHARED_OPTS version: 93 updated: 2018/08/18 16:36:35 +dnl CF_SHARED_OPTS version: 102 updated: 2020/08/22 18:17:19 dnl -------------- dnl -------------- dnl Attempt to determine the appropriate CC/LD options for creating a shared @@ -6735,6 +6947,112 @@ CF_EOF CF_SHARED_SONAME MK_SHARED_LIB='${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=("/subsystem:console") + libs=() + isdll=0 + while test \[$]# -gt 0; do + case "\[$]1" in + -link) + # ignore -link argument + ;; + -M[[TD]] | -M[[TD]]d) + # ignore runtime-library option + ;; + -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 ${rel_builddir}/mk_prog.sh" + LINK_TESTS="$SHELL ${rel_builddir}/mk_prog.sh" + ;; (mingw*) cf_cv_shlib_version=mingw cf_cv_shlib_version_infix=mingw @@ -6774,6 +7092,14 @@ CF_EOF CF_SHARED_SONAME MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]' ;; + (nskJ*) + CC_SHARED_OPTS= + MK_SHARED_LIB='${LD} -Wshared -Weld=-export_all -o $[@]' + ;; + (nskL*) + CC_SHARED_OPTS= + MK_SHARED_LIB='${LD} -Wshared -Wxld=-export_all -o $[@]' + ;; (nto-qnx*|openbsd*|freebsd[[12]].*) CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC" MK_SHARED_LIB='${LD} ${LDFLAGS} -Bshareable -o $[@]' @@ -6805,7 +7131,7 @@ CF_EOF CF_SHARED_SONAME MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]' else - MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -Wl,-shared -Wl,-Bshareable -o $[@]' + MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -o $[@]' fi ;; (osf*|mls+*) @@ -6970,7 +7296,7 @@ define([CF_SHARED_SONAME], fi ]) dnl --------------------------------------------------------------------------- -dnl CF_SIGWINCH version: 2 updated: 2019/03/23 19:54:44 +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). @@ -6985,7 +7311,7 @@ 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 @@ -6993,7 +7319,7 @@ 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]) ]) @@ -7015,7 +7341,7 @@ do #if SIGWINCH != $cf_sigwinch make an error #endif -int x = SIGWINCH], +int x = SIGWINCH; (void)x], [cf_cv_fixup_sigwinch=$cf_sigwinch break]) @@ -7029,9 +7355,9 @@ 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], [ @@ -7051,6 +7377,7 @@ extern $cf_type x; $cf_type x; static void handler(int sig) { + (void)sig; x = 5; }], [signal(SIGINT, handler); @@ -7064,7 +7391,7 @@ AC_MSG_RESULT($cf_cv_sig_atomic_t) test "$cf_cv_sig_atomic_t" != no && AC_DEFINE_UNQUOTED(SIG_ATOMIC_T, $cf_cv_sig_atomic_t,[Define to signal global datatype]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_SIZECHANGE version: 14 updated: 2018/06/20 20:23:13 +dnl CF_SIZECHANGE version: 16 updated: 2020/03/19 20:46:13 dnl ------------- dnl Check for definitions & structures needed for window size-changing dnl @@ -7107,13 +7434,17 @@ do ],[ #ifdef TIOCGSIZE struct ttysize win; /* SunOS 3.0... */ - int y = win.ts_lines; - int x = win.ts_cols; + int y = win.ts_lines = 2; + int x = win.ts_cols = 1; + (void)y; + (void)x; #else #ifdef TIOCGWINSZ struct winsize win; /* everything else */ - int y = win.ws_row; - int x = win.ws_col; + int y = win.ws_row = 2; + int x = win.ws_col = 1; + (void)y; + (void)x; #else no TIOCGSIZE or TIOCGWINSZ #endif /* TIOCGWINSZ */ @@ -7140,7 +7471,7 @@ if test "$cf_cv_sizechange" != no ; then fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_SRC_MODULES version: 31 updated: 2019/09/21 18:08:42 +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 $cf_cv_src_modules which we'll @@ -7194,14 +7525,15 @@ do CF_UPPER(cf_have_include,$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 @@ -7351,7 +7683,7 @@ AC_MSG_RESULT($sigact_bad) fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_STRUCT_TERMIOS version: 9 updated: 2018/06/08 21:57:23 +dnl CF_STRUCT_TERMIOS version: 11 updated: 2020/03/19 20:46:13 dnl ----------------- dnl Some machines require _POSIX_SOURCE to completely define struct termios. AC_DEFUN([CF_STRUCT_TERMIOS],[ @@ -7374,12 +7706,12 @@ if test "$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])) ]) @@ -8319,6 +8651,35 @@ 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 @@ -8444,7 +8805,7 @@ AC_ARG_WITH($2-path, ]) ]) dnl --------------------------------------------------------------------------- -dnl CF_WITH_PCRE2 version: 2 updated: 2018/07/14 16:47:56 +dnl CF_WITH_PCRE2 version: 3 updated: 2020/02/29 16:09:19 dnl ------------- dnl Add PCRE2 (Perl-compatible regular expressions v2) to the build if it is dnl available and the user requests it. Assume the application will otherwise @@ -8482,7 +8843,7 @@ if test "x$with_pcre2" != xno ; then esac # either way, check for the library header files - AC_CHECK_HEADERS(pcre2-posix.h pcreposix.h) + AC_CHECK_HEADERS(pcre2posix.h pcreposix.h) fi ])dnl dnl ---------------------------------------------------------------------------