X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=aclocal.m4;h=9c132daf94ac0277fdaf5a90226f6ce741a10992;hp=670fb77621e5f83d7defe32f49296d40cb567d1b;hb=614f0d6711aad3f1a99c149cc533e74f8af3c444;hpb=10539f5afe94d8ff488516ca7f9861af7c800bfb

diff --git a/aclocal.m4 b/aclocal.m4
index 670fb776..9c132daf 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -28,7 +28,7 @@ dnl***************************************************************************
 dnl
 dnl Author: Thomas E. Dickey 1995-on
 dnl
-dnl $Id: aclocal.m4,v 1.508 2010/04/06 00:03:50 tom Exp $
+dnl $Id: aclocal.m4,v 1.513 2010/04/17 20:33:27 tom Exp $
 dnl Macros used in NCURSES auto-configuration script.
 dnl
 dnl These macros are maintained separately from NCURSES.  The copyright on
@@ -359,6 +359,35 @@ You have the following choices:
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
+dnl --------------
+dnl Allow user to disable a normally-on option.
+AC_DEFUN([CF_ARG_DISABLE],
+[CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ARG_OPTION version: 3 updated: 1997/10/18 14:42:41
+dnl -------------
+dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
+dnl values.
+dnl
+dnl Parameters:
+dnl $1 = option name
+dnl $2 = help-string
+dnl $3 = action to perform if option is not default
+dnl $4 = action if perform if option is default
+dnl $5 = default option value (either 'yes' or 'no')
+AC_DEFUN([CF_ARG_OPTION],
+[AC_ARG_ENABLE($1,[$2],[test "$enableval" != ifelse($5,no,yes,no) && enableval=ifelse($5,no,no,yes)
+  if test "$enableval" != "$5" ; then
+ifelse($3,,[    :]dnl
+,[    $3]) ifelse($4,,,[
+  else
+    $4])
+  fi],[enableval=$5 ifelse($4,,,[
+  $4
+])dnl
+  ])])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_AR_FLAGS version: 4 updated: 2009/02/07 13:42:23
 dnl -----------
 dnl Check for suitable "ar" (archiver) options for updating an archive.
@@ -1007,6 +1036,25 @@ if test "$with_no_leaks" = yes ; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_DISABLE_RPATH_HACK version: 1 updated: 2010/04/11 10:54:00
+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 should be not be set)
+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_RPATH version: 2 updated: 2010/03/27 18:39:42
 dnl ---------------
 dnl Check if the rpath option should be used, setting cache variable
@@ -4375,7 +4423,7 @@ define([CF_REMOVE_LIB],
 $1=`echo "$2" | sed -e 's/-l$3[[ 	]]//g' -e 's/-l$3[$]//'`
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_RPATH_HACK version: 7 updated: 2010/04/02 20:27:47
+dnl CF_RPATH_HACK version: 8 updated: 2010/04/17 15:38:58
 dnl -------------
 AC_DEFUN([CF_RPATH_HACK],
 [
@@ -4384,6 +4432,15 @@ 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 "$cf_ldd_prog" != no
+	then
+AC_TRY_LINK([#include <stdio.h>],
+		[printf("Hello");],
+		[cf_rpath_list=`$cf_ldd_prog conftest$ac_exeext | fgrep / | sed -e 's%^.*[[ 	]]/%/%' -e 's%/[[^/]][[^/]]*$%%' |sort -u`])
+	fi
+
 	CF_VERBOSE(...checking EXTRA_LDFLAGS $EXTRA_LDFLAGS)
 
 	CF_RPATH_HACK_2(LDFLAGS)
@@ -4394,11 +4451,13 @@ fi
 AC_SUBST(EXTRA_LDFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_RPATH_HACK_2 version: 4 updated: 2010/04/05 20:03:50
+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 $1 = variable name to update.  The LDFLAGS variable should be the only one,
 dnl      but LIBS often has misplaced -L options.
 AC_DEFUN([CF_RPATH_HACK_2],
@@ -4410,13 +4469,38 @@ for cf_rpath_src in [$]$1
 do
 	case $cf_rpath_src in #(vi
 	-L*) #(vi
-		if test "$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%$LD_RPATH_OPT%"`
+
+		# check if this refers to a directory which we will ignore
+		cf_rpath_skip=no
+		if test -n "$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
-		CF_VERBOSE(...Filter $cf_rpath_src ->$cf_rpath_tmp)
-		EXTRA_LDFLAGS="$cf_rpath_tmp $EXTRA_LDFLAGS"
 		;;
 	esac
 	cf_rpath_dst="$cf_rpath_dst $cf_rpath_src"