X-Git-Url: https://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=aclocal.m4;h=7363779658a9dd75070af66e5bbf5676044c8f82;hb=b5d80765d2da2bcc9d9f71cafd081ad4453cd365;hp=7fc80c4d27f3bd4f09e710ec475ab462e0909193;hpb=00351a08b43e8b1c62e2c2d79b62ddca8531cfba;p=ncurses.git diff --git a/aclocal.m4 b/aclocal.m4 index 7fc80c4d..73637796 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -29,7 +29,7 @@ dnl*************************************************************************** dnl dnl Author: Thomas E. Dickey 1995-on dnl -dnl $Id: aclocal.m4,v 1.1008 2022/08/20 20:07:55 tom Exp $ +dnl $Id: aclocal.m4,v 1.1012 2022/09/24 20:41:12 tom Exp $ dnl Macros used in NCURSES auto-configuration script. dnl dnl These macros are maintained separately from NCURSES. The copyright on @@ -739,7 +739,7 @@ if test "$cf_cv_type_of_bool" = unknown ; then fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_BUILD_CC version: 9 updated: 2021/01/02 09:31:20 +dnl CF_BUILD_CC version: 10 updated: 2022/09/24 16:36:41 dnl ----------- dnl If we're cross-compiling, allow the user to override the tools and their dnl options. The configure script is oriented toward identifying the host @@ -805,7 +805,30 @@ if test "$cross_compiling" = yes ; then : ${BUILD_CC:='${CC}'} - if { test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}'; } ; then + AC_MSG_CHECKING(if the build-compiler "$BUILD_CC" works) + + cf_save_crossed=$cross_compiling + cf_save_ac_link=$ac_link + cross_compiling=no + ac_link='$BUILD_CC -o "conftest$ac_exeext" $BUILD_CFLAGS $BUILD_CPPFLAGS $BUILD_LDFLAGS "conftest.$ac_ext" $BUILD_LIBS >&AS_MESSAGE_LOG_FD' + + AC_TRY_RUN([#include + int main(int argc, char *argv[]) + { + ${cf_cv_main_return:-return}(argc < 0 || argv == 0 || argv[0] == 0); + } + ], + cf_ok_build_cc=yes, + cf_ok_build_cc=no, + cf_ok_build_cc=unknown) + + cross_compiling=$cf_save_crossed + ac_link=$cf_save_ac_link + + AC_MSG_RESULT($cf_ok_build_cc) + + if test "$cf_ok_build_cc" != yes + then AC_MSG_ERROR([Cross-build requires two compilers. Use --with-build-cc to specify the native compiler.]) fi @@ -4309,7 +4332,7 @@ then fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_LD_SEARCHPATH version: 3 updated: 2021/03/05 19:13:35 +dnl CF_LD_SEARCHPATH version: 4 updated: 2022/08/27 15:43:08 dnl ---------------- dnl Try to obtain the linker's search-path, for use in scripts. dnl @@ -4320,7 +4343,7 @@ AC_CACHE_CHECK(for linker search path,cf_cv_ld_searchpath,[ if test "$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` +cf_pathlist=`${LD:-ld} --verbose 2>/dev/null | grep SEARCH_DIR | sed -e 's,SEARCH_DIR[[("=]][[("=]]*,,g' -e 's/"[[)]];//gp' | sort -u` # The -NX options tell newer versions of Linux ldconfig to not attempt to # update the cache, which makes it run faster. @@ -8370,34 +8393,20 @@ else fi ]) dnl --------------------------------------------------------------------------- -dnl CF_TRY_XOPEN_SOURCE version: 3 updated: 2021/08/28 15:20:37 +dnl CF_TRY_XOPEN_SOURCE version: 4 updated: 2022/09/10 15:16:16 dnl ------------------- dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we dnl can define it successfully. AC_DEFUN([CF_TRY_XOPEN_SOURCE],[ AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[ - AC_TRY_COMPILE([ -#include -#include -#include -],[ -#ifndef _XOPEN_SOURCE -make an error -#endif], + AC_TRY_COMPILE(CF__XOPEN_SOURCE_HEAD,CF__XOPEN_SOURCE_BODY, [cf_cv_xopen_source=no], [cf_save="$CPPFLAGS" CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE) - AC_TRY_COMPILE([ -#include -#include -#include -],[ -#ifdef _XOPEN_SOURCE -make an error -#endif], - [cf_cv_xopen_source=no], - [cf_cv_xopen_source=$cf_XOPEN_SOURCE]) - CPPFLAGS="$cf_save" + AC_TRY_COMPILE(CF__XOPEN_SOURCE_HEAD,CF__XOPEN_SOURCE_BODY, + [cf_cv_xopen_source=no], + [cf_cv_xopen_source=$cf_XOPEN_SOURCE]) + CPPFLAGS="$cf_save" ]) ]) @@ -9864,7 +9873,7 @@ fi AC_SUBST(no_x11_rgb) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_XOPEN_SOURCE version: 59 updated: 2021/08/28 15:20:37 +dnl CF_XOPEN_SOURCE version: 60 updated: 2022/09/10 15:16:16 dnl --------------- dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions, dnl or adapt to the vendor's definitions to get equivalent functionality, @@ -9915,7 +9924,7 @@ case "$host_os" in cf_xopen_source="-D_SGI_SOURCE" cf_XOPEN_SOURCE= ;; -(linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin) +(linux*gnu|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin) CF_GNU_SOURCE($cf_XOPEN_SOURCE) ;; (minix*) @@ -9964,7 +9973,13 @@ case "$host_os" in ;; (*) CF_TRY_XOPEN_SOURCE + cf_save_xopen_cppflags="$CPPFLAGS" CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE) + # Some of these niche implementations use copy/paste, double-check... + CF_VERBOSE(checking if _POSIX_C_SOURCE inteferes) + AC_TRY_COMPILE(CF__XOPEN_SOURCE_HEAD,CF__XOPEN_SOURCE_BODY,,[ + AC_MSG_WARN(_POSIX_C_SOURCE definition is not usable) + CPPFLAGS="$cf_save_xopen_cppflags"]) ;; esac @@ -10008,3 +10023,23 @@ dnl ------------------ dnl Trim something using sed, then trim extra whitespace dnl $1 = extra parameters, e.g., in CF_STRIP_G_OPT define([CF__SED_TRIMBLANKS],[sed ifelse($1,,,[$1] )-e 's%[[ ]]% %g' -e 's% [[ ]]*% %g' -e 's%^ %%' -e 's% [$]%%'])dnl +dnl --------------------------------------------------------------------------- +dnl CF__XOPEN_SOURCE_BODY version: 1 updated: 2022/09/10 15:17:35 +dnl --------------------- +dnl body of test when test-compiling for _XOPEN_SOURCE check +define([CF__XOPEN_SOURCE_BODY], +[ +#ifndef _XOPEN_SOURCE +make an error +#endif +]) +dnl --------------------------------------------------------------------------- +dnl CF__XOPEN_SOURCE_HEAD version: 1 updated: 2022/09/10 15:17:03 +dnl --------------------- +dnl headers to include when test-compiling for _XOPEN_SOURCE check +define([CF__XOPEN_SOURCE_HEAD], +[ +#include +#include +#include +])