Merge changes to getloadavg.c from coreutils and Emacs; this

[gnulib.git] / m4 / lib-link.m4

diff --git a/m4/lib-link.m4 b/m4/lib-link.m4
index a16aa44..eeb200d 100644 (file)
--- a/m4/lib-link.m4
+++ b/m4/lib-link.m4
@@ -1,5 +1,5 @@
-# lib-link.m4 serial 1 (gettext-0.11)
-dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
+# lib-link.m4 serial 4 (gettext-0.12)
+dnl Copyright (C) 2001-2003 Free Software Foundation, Inc.
 dnl This file is free software, distributed under the terms of the GNU
 dnl General Public License.  As a special exception to the GNU General
 dnl Public License, this file may be distributed as part of a program
@@ -92,8 +92,7 @@ AC_DEFUN([AC_LIB_HAVE_LINKFLAGS],
 
 dnl Determine the platform dependent parameters needed to use rpath:
 dnl libext, shlibext, hardcode_libdir_flag_spec, hardcode_libdir_separator,
-dnl hardcode_direct, hardcode_minus_L,
-dnl sys_lib_search_path_spec, sys_lib_dlsearch_path_spec.
+dnl hardcode_direct, hardcode_minus_L.
 AC_DEFUN([AC_LIB_RPATH],
 [
   AC_REQUIRE([AC_PROG_CC])                dnl we use $CC, $GCC, $LDFLAGS
@@ -114,8 +113,10 @@ AC_DEFUN([AC_LIB_RPATH],
   hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator"
   hardcode_direct="$acl_cv_hardcode_direct"
   hardcode_minus_L="$acl_cv_hardcode_minus_L"
-  sys_lib_search_path_spec="$acl_cv_sys_lib_search_path_spec"
-  sys_lib_dlsearch_path_spec="$acl_cv_sys_lib_dlsearch_path_spec"
+  dnl Determine whether the user wants rpath handling at all.
+  AC_ARG_ENABLE(rpath,
+    [  --disable-rpath         do not hardcode runtime library paths],
+    :, enable_rpath=yes)
 ])
 
 dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and
@@ -131,7 +132,7 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
     eval additional_includedir=\"$includedir\"
     eval additional_libdir=\"$libdir\"
   ])
-  AC_ARG_WITH([lib$1-prefix],
+  AC_LIB_ARG_WITH([lib$1-prefix],
 [  --with-lib$1-prefix[=DIR]  search for lib$1 in DIR/include and DIR/lib
   --without-lib$1-prefix     don't search for lib$1 in includedir and libdir],
 [
@@ -245,7 +246,7 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
               dnl Linking with a shared library. We attempt to hardcode its
               dnl directory into the executable's runpath, unless it's the
               dnl standard /usr/lib.
-              if test "X$found_dir" = "X/usr/lib"; then
+              if test "$enable_rpath" = no || test "X$found_dir" = "X/usr/lib"; then
                 dnl No hardcoding is needed.
                 LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
               else
@@ -434,6 +435,35 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
                       fi
                     fi
                     ;;
+                  -R*)
+                    dir=`echo "X$dep" | sed -e 's/^X-R//'`
+                    if test "$enable_rpath" != no; then
+                      dnl Potentially add DIR to rpathdirs.
+                      dnl The rpathdirs will be appended to $LIBNAME at the end.
+                      haveit=
+                      for x in $rpathdirs; do
+                        if test "X$x" = "X$dir"; then
+                          haveit=yes
+                          break
+                        fi
+                      done
+                      if test -z "$haveit"; then
+                        rpathdirs="$rpathdirs $dir"
+                      fi
+                      dnl Potentially add DIR to ltrpathdirs.
+                      dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
+                      haveit=
+                      for x in $ltrpathdirs; do
+                        if test "X$x" = "X$dir"; then
+                          haveit=yes
+                          break
+                        fi
+                      done
+                      if test -z "$haveit"; then
+                        ltrpathdirs="$ltrpathdirs $dir"
+                      fi
+                    fi
+                    ;;
                   -l*)
                     dnl Handle this in the next round.
                     names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'`