summaryrefslogtreecommitdiff
path: root/build-aux/libtool-reloc
diff options
context:
space:
mode:
Diffstat (limited to 'build-aux/libtool-reloc')
-rwxr-xr-xbuild-aux/libtool-reloc89
1 files changed, 89 insertions, 0 deletions
diff --git a/build-aux/libtool-reloc b/build-aux/libtool-reloc
new file mode 100755
index 0000000000..9d899ab5b8
--- /dev/null
+++ b/build-aux/libtool-reloc
@@ -0,0 +1,89 @@
+#!/bin/sh
+# libtool-reloc - libtool wrapper with support for relocatable programs
+# Copyright (C) 2019 Free Software Foundation, Inc.
+# Written by Bruno Haible <bruno@clisp.org>, 2019.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+# Usage: libtool-reloc libtool LIBTOOL_ARGUMENTS
+
+# Outputs a command and runs it.
+func_verbose ()
+{
+ # Make it easy to copy&paste the printed command into a shell in most cases,
+ # by escaping '\\', '"', and '$'. This is not perfect, just good enough.
+ echo "$@" | sed -e 's/\([\\"$]\)/\\\1/g'
+ "$@"
+}
+
+# Determine the mode from the arguments.
+mode=
+for arg
+do
+ case "$arg" in
+ --mode=link) mode=link ;;
+ esac
+done
+
+if test "$mode" = link; then
+ # Determine the target from the arguments.
+ target=
+ next_is_target=false
+ for arg
+ do
+ if $next_is_target; then
+ target="$arg"
+ next_is_target=false
+ else
+ case "$arg" in
+ -o) next_is_target=true ;;
+ *) next_is_target=false ;;
+ esac
+ fi
+ done
+ case "$target" in
+ *.la)
+ # When creating a library:
+ # 1. Add a '-Wl,-rpath,@loader_path' option.
+ # (A '-R @loader_path' option does not work: libtool produces
+ # an error "error: only absolute run-paths are allowed".)
+ # (Also note that 'install_name_tool -add_rpath @loader_path ...'
+ # does not work on Mac OS X 10.5.)
+ # This is done through the RELOCATABLE_LDFLAGS macro.
+ # 2. After creating the library, run
+ # install_name_tool -id @rpath/$dlname $target_dir/.libs/$dlname
+ # (This is easier than to modify the libtool script to emit a different
+ # install_name. Also, an option '-Wl,-install_name,@rpath/$dlname' does
+ # not work since libtool emits another option '-Wl,-install_name,...'
+ # after it.
+ "$@" && {
+ dlname_assignment=`grep '^dlname=' "$target"`
+ dlname=
+ eval "$dlname_assignment"
+ # Nothing to do when --disable-shared was specified.
+ if test -n "$dlname"; then
+ target_dir=`dirname "$target"`
+ if test -f "$target_dir/.libs/$dlname"; then
+ func_verbose install_name_tool -id "@rpath/$dlname" "$target_dir/.libs/$dlname"
+ fi
+ fi
+ }
+ ;;
+ *)
+ "$@"
+ ;;
+ esac
+else
+ "$@"
+fi