dnl
dnl Author: Thomas E. Dickey
dnl
-dnl $Id: aclocal.m4,v 1.131 2018/01/16 21:49:43 tom Exp $
+dnl $Id: aclocal.m4,v 1.133 2018/06/21 00:23:13 tom Exp $
dnl Macros used in NCURSES Ada95 auto-configuration script.
dnl
dnl These macros are maintained separately from NCURSES. The copyright on
])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 $CPPFLAGS. Don't add /usr/include, since it's
dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
if test "$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 <stdio.h>],
[printf("Hello")],
[],
])
])dnl
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.
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_$3=maybe
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_GCC_WARNINGS version: 32 updated: 2015/04/12 15:39:00
+dnl CF_GCC_WARNINGS version: 33 updated: 2018/06/20 20:23:13
dnl ---------------
dnl Check if the compiler supports useful warning options. There's a few that
dnl we don't use, simply because they're too noisy:
test -n "$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
esac
])
dnl ---------------------------------------------------------------------------
-dnl CF_GNU_SOURCE version: 7 updated: 2016/08/05 05:15:37
+dnl CF_GNU_SOURCE version: 9 updated: 2018/06/20 20:23:13
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
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,$1)
+
+AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[
AC_TRY_COMPILE([#include <sys/types.h>],[
-#ifndef _XOPEN_SOURCE
-make an error
-#endif],
- [cf_cv_gnu_source=no],
- [cf_save="$CPPFLAGS"
- CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
- AC_TRY_COMPILE([#include <sys/types.h>],[
-#ifdef _XOPEN_SOURCE
-make an error
-#endif],
- [cf_cv_gnu_source=no],
- [cf_cv_gnu_source=yes])
- CPPFLAGS="$cf_save"
- ])
+ #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
+ return 0;
+ #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 <sys/types.h>],[
-#ifdef _DEFAULT_SOURCE
-make an error
-#endif],
- [cf_cv_default_source=no],
- [cf_cv_default_source=yes])
+if test x$cf_cv_gnu_library = xyes; then
+
+ # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
+ # was changed to help a little...
+ AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[
+ cf_save="$CPPFLAGS"
+ CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
+ AC_TRY_COMPILE([#include <sys/types.h>],[
+ #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
+ 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 <limits.h>
+ #include <sys/types.h>
+ ],[
+ #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 <sys/types.h>],[
+ #ifndef _XOPEN_SOURCE
+ #error expected _XOPEN_SOURCE to be defined
+ #endif],
+ [cf_cv_gnu_source=no],
+ [cf_save="$CPPFLAGS"
+ CF_ADD_CFLAGS(-D_GNU_SOURCE)
+ AC_TRY_COMPILE([#include <sys/types.h>],[
+ #ifdef _XOPEN_SOURCE
+ #error expected _XOPEN_SOURCE to be undefined
+ #endif],
+ [cf_cv_gnu_source=no],
+ [cf_cv_gnu_source=yes])
+ CPPFLAGS="$cf_save"
+ ])
+ ])
+
+ if test "$cf_cv_gnu_source" = yes
+ then
+ AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
+ CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE)
+ AC_TRY_COMPILE([#include <sys/types.h>],[
+ #ifdef _DEFAULT_SOURCE
+ #error expected _DEFAULT_SOURCE to be undefined
+ #endif],
+ [cf_cv_default_source=no],
+ [cf_cv_default_source=yes])
+ ])
+ if test "$cf_cv_default_source" = yes
+ then
+ CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
+ fi
+ fi
+ fi
+
fi
])dnl
dnl ---------------------------------------------------------------------------
fi
])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],[
# 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([
])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 ${MFLAGS}, to pass 'make'
dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
esac
break
;;
- (.-) ;;
- (*) echo "given option \"$cf_option\", no match \"$cf_result\""
+ (.-)
+ ;;
+ (*)
+ CF_MSG_LOG(given option \"$cf_option\", no match \"$cf_result\")
;;
esac
done
,[$1=no])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_CONFIG version: 20 updated: 2018/01/03 04:47:33
+dnl CF_NCURSES_CONFIG version: 21 updated: 2018/06/20 20:23:13
dnl -----------------
dnl Tie together the configure-script macros for ncurses, preferring these in
dnl order:
cf_save_CPPFLAGS="$CPPFLAGS"
cf_save_LIBS="$LIBS"
- CPPFLAGS="$CPPFLAGS `$PKG_CONFIG --cflags $cf_ncuconfig_root`"
+ CF_ADD_CFLAGS(`$PKG_CONFIG --cflags $cf_ncuconfig_root`)
CF_ADD_LIBS(`$PKG_CONFIG --libs $cf_ncuconfig_root`)
AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
if test "$NCURSES_CONFIG" != none ; then
- CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
+ CF_ADD_CFLAGS(`$NCURSES_CONFIG --cflags`)
CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
# even with config script, some packages use no-override for curses.h
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: 10 updated: 2018/06/20 20:23:13
dnl -----------------
dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
dnl
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,$cf_cv_posix_c_source)
CF_MSG_LOG(if the second compile does not leave our definition intact error)
AC_TRY_COMPILE([#include <sys/types.h>],[
#ifndef _POSIX_C_SOURCE
test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_PROG_EXT version: 13 updated: 2015/04/18 09:03:58
+dnl CF_PROG_EXT version: 14 updated: 2018/06/20 20:23:13
dnl -----------
dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
AC_DEFUN([CF_PROG_EXT],
case $cf_cv_system_name in
(os2*)
CFLAGS="$CFLAGS -Zmt"
- CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
+ CF_APPEND_TEXT(CPPFLAGS,-D__ST_MT_ERRNO__)
CXXFLAGS="$CXXFLAGS -Zmt"
# autoconf's macro sets -Zexe and suffix both, which conflict:w
LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
esac
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_PROG_GNAT version: 5 updated: 2018/01/15 15:28:49
+dnl CF_PROG_GNAT version: 6 updated: 2018/01/16 16:45:49
dnl ------------
dnl Check for gnatmake, ensure that it is complete.
AC_DEFUN([CF_PROG_GNAT],[
AC_SUBST(top_builddir)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
+dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13
dnl -------------------
dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
dnl can define it successfully.
#endif],
[cf_cv_xopen_source=no],
[cf_save="$CPPFLAGS"
- CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
+ CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE)
AC_TRY_COMPILE([
#include <stdlib.h>
#include <string.h>
])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_XOPEN_SOURCE version: 52 updated: 2016/08/27 12:21:42
+dnl CF_XOPEN_SOURCE version: 53 updated: 2018/06/16 18:58:58
dnl ---------------
dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
dnl or adapt to the vendor's definitions to get equivalent functionality,
cf_XOPEN_SOURCE=
;;
(linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
- CF_GNU_SOURCE
+ CF_GNU_SOURCE($cf_XOPEN_SOURCE)
;;
(minix*)
cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...