dnl
dnl Author: Thomas E. Dickey
dnl
-dnl $Id: aclocal.m4,v 1.193 2022/01/29 22:06:07 tom Exp $
+dnl $Id: aclocal.m4,v 1.196 2022/10/02 23:55:56 tom Exp $
dnl Macros used in NCURSES Ada95 auto-configuration script.
dnl
dnl These macros are maintained separately from NCURSES. The copyright on
AC_SUBST(ARFLAGS)
])
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
: ${BUILD_CC:='${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 <stdio.h>
+ 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 "$cf_ok_build_cc" != yes
+ then
AC_MSG_ERROR([Cross-build requires two compilers.
Use --with-build-cc to specify the native compiler.])
fi
AC_SUBST(top_builddir)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_TRY_XOPEN_SOURCE version: 3 updated: 2021/08/28 15:20:37
+dnl CF_TRY_XOPEN_SOURCE version: 4 updated: 2022/09/10 15:16:16
dnl -------------------
dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
dnl can define it successfully.
AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
- AC_TRY_COMPILE([
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-],[
-#ifndef _XOPEN_SOURCE
-make an error
-#endif],
+ AC_TRY_COMPILE(CF__XOPEN_SOURCE_HEAD,CF__XOPEN_SOURCE_BODY,
[cf_cv_xopen_source=no],
[cf_save="$CPPFLAGS"
CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE)
- AC_TRY_COMPILE([
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-],[
-#ifdef _XOPEN_SOURCE
-make an error
-#endif],
- [cf_cv_xopen_source=no],
- [cf_cv_xopen_source=$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="$cf_save"
])
])
])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_XOPEN_SOURCE version: 59 updated: 2021/08/28 15:20:37
+dnl CF_XOPEN_SOURCE version: 62 updated: 2022/10/02 19:55:56
dnl ---------------
dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
dnl or adapt to the vendor's definitions to get equivalent functionality,
cf_xopen_source="-D_SGI_SOURCE"
cf_XOPEN_SOURCE=
;;
-(linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
+(linux*gnu|linux*gnuabi64|linux*gnuabin32|linux*gnueabi|linux*gnueabihf|linux*gnux32|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
CF_GNU_SOURCE($cf_XOPEN_SOURCE)
;;
(minix*)
;;
(*)
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
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 <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+])