X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=aclocal.m4;h=6f7f6da594d5aeac4d7d8a49e33fec4b50052feb;hp=e5e9292e5c443dbdb3b052b6204fdbd4a3f5cd79;hb=6a586fefa9985809fdfbc96d2dcb838a13e4e4d2;hpb=e33150410925e7858dacebb585a9bd90db683d86 diff --git a/aclocal.m4 b/aclocal.m4 index e5e9292e..6f7f6da5 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -28,7 +28,7 @@ dnl*************************************************************************** dnl dnl Author: Thomas E. Dickey 1995-on dnl -dnl $Id: aclocal.m4,v 1.833 2018/01/16 21:45:49 tom Exp $ +dnl $Id: aclocal.m4,v 1.861 2019/01/01 01:49:46 tom Exp $ dnl Macros used in NCURSES auto-configuration script. dnl dnl These macros are maintained separately from NCURSES. The copyright on @@ -243,7 +243,7 @@ AC_SUBST(EXTRA_CPPFLAGS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_ADD_INCDIR version: 14 updated: 2015/05/25 20:53:04 +dnl CF_ADD_INCDIR version: 15 updated: 2018/06/20 20:23:13 dnl ------------- dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's dnl redundant. We don't normally need to add -I/usr/local/include for gcc, @@ -274,7 +274,7 @@ if test -n "$1" ; then if test "$GCC" = yes then cf_save_CPPFLAGS=$CPPFLAGS - CPPFLAGS="$CPPFLAGS -I$cf_add_incdir" + CF_APPEND_TEXT(CPPFLAGS,-I$cf_add_incdir) AC_TRY_COMPILE([#include ], [printf("Hello")], [], @@ -727,7 +727,7 @@ 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 +744,28 @@ 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]([$]0,1+length(prog))); }'` @@ -1703,7 +1720,7 @@ AC_MSG_RESULT($cf_result) CXXFLAGS="$cf_save_CXXFLAGS" ]) dnl --------------------------------------------------------------------------- -dnl CF_FIND_LINKAGE version: 20 updated: 2015/04/18 08:56:57 +dnl CF_FIND_LINKAGE version: 21 updated: 2018/06/20 20:23:13 dnl --------------- dnl Find a library (specifically the linkage used in the code fragment), dnl searching for it if it is not already in the library path. @@ -1762,7 +1779,8 @@ AC_TRY_LINK([$1],[$2],[ do if test -d $cf_cv_header_path_$3 ; then CF_VERBOSE(... testing $cf_cv_header_path_$3) - CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3" + CPPFLAGS="$cf_save_CPPFLAGS" + CF_APPEND_TEXT(CPPFLAGS,-I$cf_cv_header_path_$3) AC_TRY_COMPILE([$1],[$2],[ CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3) cf_cv_find_linkage_$3=maybe @@ -2282,7 +2300,7 @@ if test "$GCC" = yes ; then fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_GCC_WARNINGS version: 32 updated: 2015/04/12 15:39:00 +dnl CF_GCC_WARNINGS version: 33 updated: 2018/06/20 20:23:13 dnl --------------- dnl Check if the compiler supports useful warning options. There's a few that dnl we don't use, simply because they're too noisy: @@ -2376,7 +2394,7 @@ then test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt) case $cf_opt in (Wcast-qual) - CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES" + CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES) ;; (Winline) case $GCC_VERSION in @@ -2702,7 +2720,7 @@ case $cf_gnat_version in esac ]) dnl --------------------------------------------------------------------------- -dnl CF_GNU_SOURCE version: 7 updated: 2016/08/05 05:15:37 +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 @@ -2710,38 +2728,106 @@ dnl (or misfeature) of glibc2, which breaks portability of many applications, dnl since it is interwoven with GNU extensions. dnl dnl Well, yes we could work around it... +dnl +dnl Parameters: +dnl $1 is the nominal value for _XOPEN_SOURCE AC_DEFUN([CF_GNU_SOURCE], [ -AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[ +cf_gnu_xopen_source=ifelse($1,,500,$1) + +AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[ AC_TRY_COMPILE([#include ],[ -#ifndef _XOPEN_SOURCE -make an error -#endif], - [cf_cv_gnu_source=no], - [cf_save="$CPPFLAGS" - CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" - AC_TRY_COMPILE([#include ],[ -#ifdef _XOPEN_SOURCE -make an error -#endif], - [cf_cv_gnu_source=no], - [cf_cv_gnu_source=yes]) - CPPFLAGS="$cf_save" - ]) + #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0 + return 0; + #elif __NEWLIB__ > 0 && __NEWLIB_MINOR__ >= 0 + return 0; + #else + # error not GNU C library + #endif], + [cf_cv_gnu_library=yes], + [cf_cv_gnu_library=no]) ]) -if test "$cf_cv_gnu_source" = yes -then -AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[ -CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" - AC_TRY_COMPILE([#include ],[ -#ifdef _DEFAULT_SOURCE -make an error -#endif], - [cf_cv_default_source=no], - [cf_cv_default_source=yes]) +if test x$cf_cv_gnu_library = xyes; then + + # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE + # was changed to help a little. newlib incorporated the change about 4 + # years later. + AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[ + cf_save="$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], + [cf_cv_gnu_library_219=yes], + [cf_cv_gnu_library_219=no]) + CPPFLAGS="$cf_save" ]) -test "$cf_cv_default_source" = yes && CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE" + + if test "x$cf_cv_gnu_library_219" = xyes; then + cf_save="$CPPFLAGS" + AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[ + CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source) + AC_TRY_COMPILE([ + #include + #include + ],[ + #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1) + return 0; + #else + # error GNU C library is too old + #endif], + [cf_cv_gnu_dftsrc_219=yes], + [cf_cv_gnu_dftsrc_219=no]) + ]) + test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save" + else + cf_cv_gnu_dftsrc_219=maybe + fi + + if test "x$cf_cv_gnu_dftsrc_219" != xyes; then + + AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[ + AC_TRY_COMPILE([#include ],[ + #ifndef _XOPEN_SOURCE + #error expected _XOPEN_SOURCE to be defined + #endif], + [cf_cv_gnu_source=no], + [cf_save="$CPPFLAGS" + CF_ADD_CFLAGS(-D_GNU_SOURCE) + AC_TRY_COMPILE([#include ],[ + #ifdef _XOPEN_SOURCE + #error expected _XOPEN_SOURCE to be undefined + #endif], + [cf_cv_gnu_source=no], + [cf_cv_gnu_source=yes]) + CPPFLAGS="$cf_save" + ]) + ]) + + if test "$cf_cv_gnu_source" = yes + then + AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[ + CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE) + AC_TRY_COMPILE([#include ],[ + #ifdef _DEFAULT_SOURCE + #error expected _DEFAULT_SOURCE to be undefined + #endif], + [cf_cv_default_source=no], + [cf_cv_default_source=yes]) + ]) + if test "$cf_cv_default_source" = yes + then + CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE) + fi + fi + fi + fi ])dnl dnl --------------------------------------------------------------------------- @@ -3150,12 +3236,13 @@ 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 --------------------------------------------------------------------------- @@ -3186,7 +3273,42 @@ 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 $INSTALL -p conftest.in conftest.out 2>/dev/null + then + if test -f conftest.out/conftest.in + then + test conftest.in -nt conftest.out/conftest.in 2>conftest.err && \ + test conftest.out/conftest.in -nt conftest.in 2>conftest.err + if test -s conftest.err + then + cf_cv_install_p=no + else + cf_cv_install_p=yes + fi + else + cf_cv_install_p=no + fi + else + cf_cv_install_p=no + fi + rm -rf conftest* +]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_INSTALL_OPT_S version: 2 updated: 2018/08/18 12:19:21 dnl ---------------- dnl By default, we should strip executables which are installed, but leave the dnl ability to suppress that for unit-testing. @@ -3194,7 +3316,7 @@ AC_DEFUN([CF_INSTALL_OPT_S], [ AC_MSG_CHECKING(if you want to install stripped executables) CF_ARG_DISABLE(stripping, - [ --disable-stripping do not strip installed executables], + [ --disable-stripping do not strip (debug info) installed executables], [with_stripping=no], [with_stripping=yes]) AC_MSG_RESULT($with_stripping) @@ -3261,7 +3383,7 @@ 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: 10 updated: 2017/01/21 11:06:25 +dnl CF_LARGEFILE version: 11 updated: 2018/06/20 20:23:13 dnl ------------ dnl Add checks for large file support. AC_DEFUN([CF_LARGEFILE],[ @@ -3277,9 +3399,18 @@ ifdef([AC_FUNC_FSEEKO],[ # header files by themselves before looking at the body files it is # told to compile. For ncurses, those header files do not include # the config.h - test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES " - test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE " - test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits " + if test "$ac_cv_sys_large_files" != no + then + CF_APPEND_TEXT(CPPFLAGS,-D_LARGE_FILES) + fi + if test "$ac_cv_sys_largefile_source" != no + then + CF_APPEND_TEXT(CPPFLAGS,-D_LARGEFILE_SOURCE) + fi + if test "$ac_cv_sys_file_offset_bits" != no + then + CF_APPEND_TEXT(CPPFLAGS,-D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits) + fi AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[ AC_TRY_COMPILE([ @@ -3403,7 +3534,7 @@ 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. @@ -3412,49 +3543,52 @@ 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 +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," - else + ;; + (openbsd[[2-9]].*|mirbsd*) + LD_RPATH_OPT="-Wl,-rpath," + ;; + (dragonfly*) 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($LD_RPATH_OPT) + ;; + (netbsd*) + LD_RPATH_OPT="-Wl,-rpath," + ;; + (osf*|mls+*) + LD_RPATH_OPT="-rpath " + ;; + (solaris2*) + LD_RPATH_OPT="-R" + ;; + (*) + ;; + esac + AC_MSG_RESULT($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 + 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_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48 @@ -3519,7 +3653,7 @@ 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: 88 updated: 2018/08/18 12:19:21 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 @@ -3855,6 +3989,7 @@ 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" \ @@ -4344,7 +4479,7 @@ int main(void) fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_MAKEFLAGS version: 17 updated: 2015/08/05 20:44:28 +dnl CF_MAKEFLAGS version: 18 updated: 2018/02/21 21:26:03 dnl ------------ dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make' dnl options to lower-levels. It's very useful for "make -n" -- if we have it. @@ -4373,8 +4508,10 @@ CF_EOF esac break ;; - (.-) ;; - (*) echo "given option \"$cf_option\", no match \"$cf_result\"" + (.-) + ;; + (*) + CF_MSG_LOG(given option \"$cf_option\", no match \"$cf_result\") ;; esac done @@ -5295,7 +5432,7 @@ fi AC_SUBST(PKG_CONFIG) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_POSIX_C_SOURCE version: 9 updated: 2015/04/12 15:39:00 +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 @@ -5310,7 +5447,10 @@ 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" @@ -5348,7 +5488,8 @@ make an error fi CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE) CFLAGS="$cf_trim_CFLAGS" - CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source" + CPPFLAGS="$cf_trim_CPPFLAGS" + CF_APPEND_TEXT(CPPFLAGS,$cf_cv_posix_c_source) CF_MSG_LOG(if the second compile does not leave our definition intact error) AC_TRY_COMPILE([#include ],[ #ifndef _POSIX_C_SOURCE @@ -5366,6 +5507,35 @@ if test "$cf_cv_posix_c_source" != no ; then CF_ADD_CFLAGS($cf_cv_posix_c_source) fi +fi # cf_cv_posix_visible + +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_POSIX_VISIBLE version: 1 updated: 2018/12/31 20:46:17 +dnl ---------------- +dnl POSIX documents test-macros which an application may set before any system +dnl headers are included to make features available. +dnl +dnl Some BSD platforms (originally FreeBSD, but copied by a few others) +dnl diverged from POSIX in 2002 by setting symbols which make all of the most +dnl recent features visible in the system header files unless the application +dnl overrides the corresponding test-macros. Doing that introduces portability +dnl problems. +dnl +dnl This macro makes a special check for the symbols used for this, to avoid a +dnl conflicting definition. +AC_DEFUN([CF_POSIX_VISIBLE], +[ +AC_CACHE_CHECK(if the POSIX test-macros are already defined,cf_cv_posix_visible,[ +AC_TRY_COMPILE([#include ],[ +#if defined(__POSIX_VISIBLE) && ((__POSIX_VISIBLE - 0L) > 0) \ + && defined(__XSI_VISIBLE) && ((__XSI_VISIBLE - 0L) > 0) \ + && defined(__BSD_VISIBLE) && ((__BSD_VISIBLE - 0L) > 0) \ + && defined(__ISO_C_VISIBLE) && ((__ISO_C_VISIBLE - 0L) > 0) +#error conflicting symbols found +#endif +],[cf_cv_posix_visible=no],[cf_cv_posix_visible=yes]) +]) ])dnl dnl --------------------------------------------------------------------------- dnl CF_PREDEFINE version: 2 updated: 2010/05/26 16:44:57 @@ -5510,7 +5680,7 @@ AC_DEFUN([CF_PROG_EGREP], test -z "$EGREP" && AC_MSG_ERROR(No egrep program found) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_PROG_GNAT version: 5 updated: 2018/01/15 15:28:49 +dnl CF_PROG_GNAT version: 8 updated: 2018/11/10 19:47:04 dnl ------------ dnl Check for gnatmake, ensure that it is complete. AC_DEFUN([CF_PROG_GNAT],[ @@ -5532,7 +5702,20 @@ 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 @@ -5877,7 +6060,7 @@ CF_VERBOSE(...checked $1 [$]$1) AC_SUBST(EXTRA_LDFLAGS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_SHARED_OPTS version: 92 updated: 2017/12/30 17:26:05 +dnl CF_SHARED_OPTS version: 93 updated: 2018/08/18 16:36:35 dnl -------------- dnl -------------- dnl Attempt to determine the appropriate CC/LD options for creating a shared @@ -5905,6 +6088,7 @@ dnl Some loaders leave 'so_locations' lying around. It's nice to clean up. AC_DEFUN([CF_SHARED_OPTS], [ AC_REQUIRE([CF_LD_RPATH_OPT]) + RM_SHARED_OPTS= LOCAL_LDFLAGS= LOCAL_LDFLAGS2= @@ -6092,7 +6276,7 @@ CF_EOF cf_cv_rm_so_locs=yes ;; (linux*|gnu*|k*bsd*-gnu) - if test "$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 @@ -6130,7 +6314,7 @@ 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="$LOCAL_LDFLAGS" fi @@ -6186,7 +6370,7 @@ CF_EOF ;; esac MK_SHARED_LIB="${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 @@ -6431,10 +6615,11 @@ AC_MSG_RESULT($cf_cv_sig_atomic_t) test "$cf_cv_sig_atomic_t" != no && AC_DEFINE_UNQUOTED(SIG_ATOMIC_T, $cf_cv_sig_atomic_t,[Define to signal global datatype]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_SIZECHANGE version: 11 updated: 2015/04/18 08:56:57 +dnl CF_SIZECHANGE version: 14 updated: 2018/06/20 20:23:13 dnl ------------- dnl Check for definitions & structures needed for window size-changing -dnl FIXME: check that this works with "snake" (HP-UX 10.x) +dnl +dnl https://stackoverflow.com/questions/18878141/difference-between-structures-ttysize-and-winsize/50769952#50769952 AC_DEFUN([CF_SIZECHANGE], [ AC_REQUIRE([CF_STRUCT_TERMIOS]) @@ -6446,7 +6631,10 @@ for cf_opts in "" "NEED_PTEM_H" do CPPFLAGS="$cf_save_CPPFLAGS" - test -n "$cf_opts" && CPPFLAGS="$CPPFLAGS -D$cf_opts" + if test -n "$cf_opts" + then + CF_APPEND_TEXT(CPPFLAGS,-D$cf_opts) + fi AC_TRY_COMPILE([#include #ifdef HAVE_TERMIOS_H #include @@ -6455,24 +6643,26 @@ do #include #endif #endif + #ifdef NEED_PTEM_H /* This is a workaround for SCO: they neglected to define struct winsize in * termios.h -- it's only in termio.h and ptem.h */ -#include -#include +#include +#include #endif -#if !defined(sun) || !defined(HAVE_TERMIOS_H) + +#ifdef HAVE_SYS_IOCTL_H #include #endif ],[ #ifdef TIOCGSIZE - struct ttysize win; /* FIXME: what system is this? */ + struct ttysize win; /* SunOS 3.0... */ int y = win.ts_lines; int x = win.ts_cols; #else #ifdef TIOCGWINSZ - struct winsize win; + struct winsize win; /* everything else */ int y = win.ws_row; int x = win.ws_col; #else @@ -6492,7 +6682,7 @@ do done ]) if test "$cf_cv_sizechange" != no ; then - AC_DEFINE(HAVE_SIZECHANGE,1,[Define to 1 if sizechar declarations are provided]) + AC_DEFINE(HAVE_SIZECHANGE,1,[Define to 1 if sizechange declarations are provided]) case $cf_cv_sizechange in (NEED*) AC_DEFINE_UNQUOTED($cf_cv_sizechange ) @@ -6711,7 +6901,7 @@ AC_MSG_RESULT($sigact_bad) fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_STRUCT_TERMIOS version: 8 updated: 2015/04/15 19:08:48 +dnl CF_STRUCT_TERMIOS version: 9 updated: 2018/06/08 21:57:23 dnl ----------------- dnl Some machines require _POSIX_SOURCE to completely define struct termios. AC_DEFUN([CF_STRUCT_TERMIOS],[ @@ -6721,11 +6911,10 @@ AC_CHECK_HEADERS( \ termio.h \ termios.h \ unistd.h \ +sys/ioctl.h \ +sys/termio.h \ ) -if test "$ISC" = yes ; then - AC_CHECK_HEADERS( sys/termio.h ) -fi if test "$ac_cv_header_termios_h" = yes ; then case "$CFLAGS $CPPFLAGS" in (*-D_POSIX_SOURCE*) @@ -6850,7 +7039,34 @@ top_builddir=ifelse($1,,`pwd`,$1) AC_SUBST(top_builddir) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50 +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],,:,[$3]) +fi +]) +dnl --------------------------------------------------------------------------- +dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13 dnl ------------------- dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we dnl can define it successfully. @@ -6866,7 +7082,7 @@ make an error #endif], [cf_cv_xopen_source=no], [cf_save="$CPPFLAGS" - CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE" + CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE) AC_TRY_COMPILE([ #include #include @@ -7007,10 +7223,11 @@ if test "$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([ @@ -7022,7 +7239,10 @@ 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([ @@ -7034,7 +7254,58 @@ 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 @@ -7281,11 +7552,12 @@ AC_SUBST(ADA_OBJECTS) AC_MSG_RESULT($ADA_OBJECTS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_WITH_ADA_SHAREDLIB version: 4 updated: 2014/05/31 21:08:37 +dnl CF_WITH_ADA_SHAREDLIB version: 5 updated: 2018/07/21 19:10:35 dnl --------------------- dnl Command-line option to specify if an Ada95 shared-library should be built, dnl and optionally what its soname should be. AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[ +AC_REQUIRE([CF_GNAT_PROJECTS]) AC_MSG_CHECKING(if an Ada95 shared-library should be built) AC_ARG_WITH(ada-sharedlib, [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)], @@ -7293,6 +7565,15 @@ AC_ARG_WITH(ada-sharedlib, [with_ada_sharedlib=no]) AC_MSG_RESULT($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$(LIB_NAME).so.1' MAKE_ADA_SHAREDLIB="#" @@ -7664,6 +7945,48 @@ case "x$cf_dst_eval" in esac AC_SUBST($3)dnl +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_WITH_PCRE2 version: 2 updated: 2018/07/14 16:47:56 +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 $LIBS in + (*pcre2-posix*|*pcreposix*) + ;; + (*) + AC_CHECK_LIB(pcre2-posix,regcomp,[ + CF_ADD_LIB(pcre2-posix)], + [AC_CHECK_LIB(pcreposix,regcomp,[ + CF_ADD_LIB(pcreposix) + ],[AC_MSG_ERROR(Cannot find PCRE2 POSIX library)])]) + ;; + esac + + # either way, check for the library header files + AC_CHECK_HEADERS(pcre2-posix.h pcreposix.h) +fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56 @@ -7872,7 +8195,7 @@ CF_NO_LEAKS_OPTION(valgrind, [USE_VALGRIND]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_WITH_VERSIONED_SYMS version: 7 updated: 2015/10/24 20:50:26 +dnl CF_WITH_VERSIONED_SYMS version: 8 updated: 2018/10/20 20:24:34 dnl ---------------------- dnl Use this when building shared library with ELF, to markup symbols with the dnl version identifier from the given input file. Generally that identifier is @@ -7886,11 +8209,21 @@ AC_ARG_WITH(versioned-syms, [ --with-versioned-syms=X markup versioned symbols using ld], [with_versioned_syms=$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= @@ -8085,7 +8418,7 @@ fi AC_SUBST(no_x11_rgb) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_XOPEN_SOURCE version: 52 updated: 2016/08/27 12:21:42 +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, @@ -8096,6 +8429,9 @@ 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]) @@ -8115,7 +8451,7 @@ 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 @@ -8134,7 +8470,7 @@ case $host_os in cf_XOPEN_SOURCE= ;; (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin) - CF_GNU_SOURCE + CF_GNU_SOURCE($cf_XOPEN_SOURCE) ;; (minix*) cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this... @@ -8210,4 +8546,5 @@ make an error CF_TRY_XOPEN_SOURCE fi fi +fi # cf_cv_posix_visible ])