dnl authorization. *
dnl***************************************************************************
dnl
-dnl $Id: aclocal.m4,v 1.66 2011/09/24 16:54:41 tom Exp $
+dnl $Id: aclocal.m4,v 1.71 2011/11/13 02:11:59 tom Exp $
dnl
dnl Author: Thomas E. Dickey
dnl
fi
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33
+dnl ---------------------
+dnl The rpath-hack makes it simpler to build programs, particularly with the
+dnl *BSD ports which may have essential libraries in unusual places. But it
+dnl can interfere with building an executable for the base system. Use this
+dnl option in that case.
+AC_DEFUN([CF_DISABLE_RPATH_HACK],
+[
+AC_MSG_CHECKING(if rpath-hack should be disabled)
+CF_ARG_DISABLE(rpath-hack,
+ [ --disable-rpath-hack don't add rpath options for additional libraries],
+ [cf_disable_rpath_hack=yes],
+ [cf_disable_rpath_hack=no])
+AC_MSG_RESULT($cf_disable_rpath_hack)
+if test "$cf_disable_rpath_hack" = no ; then
+ CF_RPATH_HACK
+fi
+])
+dnl ---------------------------------------------------------------------------
dnl CF_ENABLE_WARNINGS version: 4 updated: 2009/07/26 17:53:03
dnl ------------------
dnl Configure-option to enable gcc warnings
fi
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
+dnl ---------------
+dnl For the given system and compiler, find the compiler flags to pass to the
+dnl loader to use the "rpath" feature.
+AC_DEFUN([CF_LD_RPATH_OPT],
+[
+AC_REQUIRE([CF_CHECK_CACHE])
+
+LD_RPATH_OPT=
+AC_MSG_CHECKING(for an rpath option)
+case $cf_cv_system_name in #(vi
+irix*) #(vi
+ if test "$GCC" = yes; then
+ LD_RPATH_OPT="-Wl,-rpath,"
+ else
+ LD_RPATH_OPT="-rpath "
+ fi
+ ;;
+linux*|gnu*|k*bsd*-gnu) #(vi
+ LD_RPATH_OPT="-Wl,-rpath,"
+ ;;
+openbsd[[2-9]].*|mirbsd*) #(vi
+ LD_RPATH_OPT="-Wl,-rpath,"
+ ;;
+dragonfly*|freebsd*) #(vi
+ LD_RPATH_OPT="-rpath "
+ ;;
+netbsd*) #(vi
+ LD_RPATH_OPT="-Wl,-rpath,"
+ ;;
+osf*|mls+*) #(vi
+ LD_RPATH_OPT="-rpath "
+ ;;
+solaris2*) #(vi
+ LD_RPATH_OPT="-R"
+ ;;
+*)
+ ;;
+esac
+AC_MSG_RESULT($LD_RPATH_OPT)
+
+case "x$LD_RPATH_OPT" in #(vi
+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
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
dnl ---------------
dnl Construct a search-list of directories for a nonstandard library-file
-e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_RPATH_HACK version: 9 updated: 2011/02/13 13:31:33
+dnl -------------
+AC_DEFUN([CF_RPATH_HACK],
+[
+AC_REQUIRE([CF_LD_RPATH_OPT])
+AC_MSG_CHECKING(for updated LDFLAGS)
+if test -n "$LD_RPATH_OPT" ; then
+ AC_MSG_RESULT(maybe)
+
+ AC_CHECK_PROGS(cf_ldd_prog,ldd,no)
+ cf_rpath_list="/usr/lib /lib"
+ if test "$cf_ldd_prog" != no
+ then
+ cf_rpath_oops=
+
+AC_TRY_LINK([#include <stdio.h>],
+ [printf("Hello");],
+ [cf_rpath_oops=`$cf_ldd_prog conftest$ac_exeext | fgrep ' not found' | sed -e 's% =>.*$%%' |sort -u`
+ cf_rpath_list=`$cf_ldd_prog conftest$ac_exeext | fgrep / | sed -e 's%^.*[[ ]]/%/%' -e 's%/[[^/]][[^/]]*$%%' |sort -u`])
+
+ # If we passed the link-test, but get a "not found" on a given library,
+ # this could be due to inept reconfiguration of gcc to make it only
+ # partly honor /usr/local/lib (or whatever). Sometimes this behavior
+ # is intentional, e.g., installing gcc in /usr/bin and suppressing the
+ # /usr/local libraries.
+ if test -n "$cf_rpath_oops"
+ then
+ for cf_rpath_src in $cf_rpath_oops
+ do
+ for cf_rpath_dir in \
+ /usr/local \
+ /usr/pkg \
+ /opt/sfw
+ do
+ if test -f $cf_rpath_dir/lib/$cf_rpath_src
+ then
+ CF_VERBOSE(...adding -L$cf_rpath_dir/lib to LDFLAGS for $cf_rpath_src)
+ LDFLAGS="$LDFLAGS -L$cf_rpath_dir/lib"
+ break
+ fi
+ done
+ done
+ fi
+ fi
+
+ CF_VERBOSE(...checking EXTRA_LDFLAGS $EXTRA_LDFLAGS)
+
+ CF_RPATH_HACK_2(LDFLAGS)
+ CF_RPATH_HACK_2(LIBS)
+
+ CF_VERBOSE(...checked EXTRA_LDFLAGS $EXTRA_LDFLAGS)
+fi
+AC_SUBST(EXTRA_LDFLAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_RPATH_HACK_2 version: 6 updated: 2010/04/17 16:31:24
+dnl ---------------
+dnl Do one set of substitutions for CF_RPATH_HACK, adding an rpath option to
+dnl EXTRA_LDFLAGS for each -L option found.
+dnl
+dnl $cf_rpath_list contains a list of directories to ignore.
+dnl
+dnl $1 = variable name to update. The LDFLAGS variable should be the only one,
+dnl but LIBS often has misplaced -L options.
+AC_DEFUN([CF_RPATH_HACK_2],
+[
+CF_VERBOSE(...checking $1 [$]$1)
+
+cf_rpath_dst=
+for cf_rpath_src in [$]$1
+do
+ case $cf_rpath_src in #(vi
+ -L*) #(vi
+
+ # check if this refers to a directory which we will ignore
+ cf_rpath_skip=no
+ if test -n "$cf_rpath_list"
+ then
+ for cf_rpath_item in $cf_rpath_list
+ do
+ if test "x$cf_rpath_src" = "x-L$cf_rpath_item"
+ then
+ cf_rpath_skip=yes
+ break
+ fi
+ done
+ fi
+
+ if test "$cf_rpath_skip" = no
+ then
+ # transform the option
+ if test "$LD_RPATH_OPT" = "-R " ; then
+ cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%-R %"`
+ else
+ cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%$LD_RPATH_OPT%"`
+ fi
+
+ # if we have not already added this, add it now
+ cf_rpath_tst=`echo "$EXTRA_LDFLAGS" | sed -e "s%$cf_rpath_tmp %%"`
+ if test "x$cf_rpath_tst" = "x$EXTRA_LDFLAGS"
+ then
+ CF_VERBOSE(...Filter $cf_rpath_src ->$cf_rpath_tmp)
+ EXTRA_LDFLAGS="$cf_rpath_tmp $EXTRA_LDFLAGS"
+ fi
+ fi
+ ;;
+ esac
+ cf_rpath_dst="$cf_rpath_dst $cf_rpath_src"
+done
+$1=$cf_rpath_dst
+
+CF_VERBOSE(...checked $1 [$]$1)
+AC_SUBST(EXTRA_LDFLAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_SIG_ATOMIC_T version: 2 updated: 2005/09/18 17:27:12
dnl ---------------
dnl signal handler, but there are some gcc depedencies in that recommendation.
fi
])
dnl ---------------------------------------------------------------------------
+dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
+dnl -------------------
+dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
+dnl can define it successfully.
+AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
+AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
+ AC_TRY_COMPILE([
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+],[
+#ifndef _XOPEN_SOURCE
+make an error
+#endif],
+ [cf_cv_xopen_source=no],
+ [cf_save="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$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"
+ ])
+])
+
+if test "$cf_cv_xopen_source" != no ; then
+ CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
+ CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
+ cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
+ CF_ADD_CFLAGS($cf_temp_xopen_source)
+fi
+])
+dnl ---------------------------------------------------------------------------
dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
dnl --------
dnl Make an uppercase version of a variable
test $cf_cv_need_xopen_extension = yes && CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED"
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_XOPEN_SOURCE version: 37 updated: 2011/08/06 20:32:05
+dnl CF_XOPEN_SOURCE version: 40 updated: 2011/11/12 21:08:44
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_GNU_SOURCE
;;
mirbsd*) #(vi
- # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <arpa/inet.h>
+ # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
+ cf_XOPEN_SOURCE=
+ CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
;;
netbsd*) #(vi
cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
;;
+openbsd[[4-9]]*) #(vi
+ # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
+ cf_XOPEN_SOURCE=600
+ ;;
openbsd*) #(vi
# setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
;;
sco*) #(vi
# setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
;;
-solaris2.1[[0-9]]) #(vi
- cf_xopen_source="-D__EXTENSIONS__ -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
- ;;
-solaris2.[[1-9]]) #(vi
+solaris2.*) #(vi
cf_xopen_source="-D__EXTENSIONS__"
;;
*)
- AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
- AC_TRY_COMPILE([#include <sys/types.h>],[
-#ifndef _XOPEN_SOURCE
-make an error
-#endif],
- [cf_cv_xopen_source=no],
- [cf_save="$CPPFLAGS"
- CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
- AC_TRY_COMPILE([#include <sys/types.h>],[
-#ifdef _XOPEN_SOURCE
-make an error
-#endif],
- [cf_cv_xopen_source=no],
- [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
- CPPFLAGS="$cf_save"
- ])
-])
- if test "$cf_cv_xopen_source" != no ; then
- CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
- CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
- cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
- CF_ADD_CFLAGS($cf_temp_xopen_source)
- fi
+ CF_TRY_XOPEN_SOURCE
CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
;;
esac
if test -n "$cf_xopen_source" ; then
CF_ADD_CFLAGS($cf_xopen_source)
fi
+
+dnl In anything but the default case, we may have system-specific setting
+dnl which is still not guaranteed to provide all of the entrypoints that
+dnl _XOPEN_SOURCE would yield.
+if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
+ AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
+ AC_TRY_COMPILE([#include <stdlib.h>],[
+#ifndef _XOPEN_SOURCE
+make an error
+#endif],
+ [cf_XOPEN_SOURCE_set=yes],
+ [cf_XOPEN_SOURCE_set=no])
+ AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
+ if test $cf_XOPEN_SOURCE_set = yes
+ then
+ AC_TRY_COMPILE([#include <stdlib.h>],[
+#if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
+make an error
+#endif],
+ [cf_XOPEN_SOURCE_set_ok=yes],
+ [cf_XOPEN_SOURCE_set_ok=no])
+ if test $cf_XOPEN_SOURCE_set_ok = no
+ then
+ AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
+ fi
+ else
+ CF_TRY_XOPEN_SOURCE
+ fi
+fi
])
dnl ---------------------------------------------------------------------------
dnl CF_X_ATHENA version: 20 updated: 2010/11/09 05:18:02
projects / ncurses.git / blobdiff