dnl authorization. *
dnl***************************************************************************
dnl
-dnl $Id: aclocal.m4,v 1.158 2018/06/21 00:23:13 tom Exp $
+dnl $Id: aclocal.m4,v 1.163 2019/01/01 01:46:17 tom Exp $
dnl
dnl Author: Thomas E. Dickey
dnl
])dnl
])])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
# 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]([$]0,1+length(prog))); }'`
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_GNU_SOURCE version: 9 updated: 2018/06/20 20:23:13
+dnl CF_GNU_SOURCE version: 10 updated: 2018/12/10 20:09:41
dnl -------------
dnl Check if we must define _GNU_SOURCE to get a reasonable value for
dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
AC_TRY_COMPILE([#include <sys/types.h>],[
#if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
return 0;
+ #elif __NEWLIB__ > 0 && __NEWLIB_MINOR__ >= 0
+ return 0;
#else
# error not GNU C library
#endif],
if test x$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...
+ # 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 <sys/types.h>],[
#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],
test -f $1 || ( test -f ../$1 && cp ../$1 ./ )
])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 ---------------------------------------------------------------------------
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 $INSTALL -p conftest.in conftest.out 2>/dev/null
+ then
+ if test -f conftest.out/conftest.in
+ then
+ test conftest.in -nt conftest.out/conftest.in 2>conftest.err && \
+ test conftest.out/conftest.in -nt conftest.in 2>conftest.err
+ if test -s conftest.err
+ then
+ cf_cv_install_p=no
+ else
+ cf_cv_install_p=yes
+ fi
+ else
+ cf_cv_install_p=no
+ fi
+ else
+ cf_cv_install_p=no
+ fi
+ rm -rf conftest*
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_INSTALL_OPT_S version: 2 updated: 2018/08/18 12:19:21
dnl ----------------
dnl By default, we should strip executables which are installed, but leave the
dnl ability to suppress that for unit-testing.
[
AC_MSG_CHECKING(if you want to install stripped executables)
CF_ARG_DISABLE(stripping,
- [ --disable-stripping do not strip installed executables],
+ [ --disable-stripping do not strip (debug info) installed executables],
[with_stripping=no],
[with_stripping=yes])
AC_MSG_RESULT($with_stripping)
fi
])dnl
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.
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
AC_SUBST(PKG_CONFIG)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_POSIX_C_SOURCE version: 10 updated: 2018/06/20 20:23:13
+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
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"
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 <stdio.h>],[
+#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_PRG_RULES version: 1 updated: 2006/06/03 11:45:08
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_XOPEN_SOURCE version: 53 updated: 2018/06/16 18:58:58
+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,
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])
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
CF_TRY_XOPEN_SOURCE
fi
fi
+fi # cf_cv_posix_visible
])
dnl ---------------------------------------------------------------------------
dnl CF_X_ATHENA version: 23 updated: 2015/04/12 15:39:00
projects / ncurses.git / blobdiff