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authorSimon Josefsson <simon@josefsson.org>2008-11-18 00:20:36 +0100
committerSimon Josefsson <simon@josefsson.org>2008-11-18 00:20:36 +0100
commit60859fa9e71f85af96ab0951a4d681813705b761 (patch)
tree0c1fe20c852a474ebc4a269cdaf480dce43e9d81 /m4
parente6e8f49cb25b8323ffe04f72a8c6af70fc4af3d8 (diff)
downloadgnutls-60859fa9e71f85af96ab0951a4d681813705b761.tar.gz
Fix linker script test.
Diffstat (limited to 'm4')
-rw-r--r--m4/linker-script.m430
1 files changed, 30 insertions, 0 deletions
diff --git a/m4/linker-script.m4 b/m4/linker-script.m4
new file mode 100644
index 0000000000..7570a942a2
--- /dev/null
+++ b/m4/linker-script.m4
@@ -0,0 +1,30 @@
+# linker-script.m4 serial 1
+dnl Copyright (C) 2008 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Simon Josefsson
+
+# sj_LINKER_SCRIPT(VERSION-SCRIPT)
+# -------------
+# Check if ld supports linker scripts, and define automake conditional
+# HAVE_LD_VERSION_SCRIPT if so. VERSION-SCRIPT is a valid version script
+# file.
+AC_DEFUN([sj_LINKER_SCRIPT],
+[
+ AC_ARG_ENABLE([ld-version-script],
+ AS_HELP_STRING([--enable-ld-version-script],
+ [enable/disable linker version script (default is enabled when possible)]),
+ [have_ld_version_script=$enableval], [])
+ if test -z "$have_ld_version_script"; then
+ AC_MSG_CHECKING([if -Wl,--version-script works])
+ save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS -Wl,--version-script=$1"
+ AC_LINK_IFELSE(AC_LANG_PROGRAM([], []),
+ [have_ld_version_script=yes], [have_ld_version_script=no])
+ LDFLAGS="$save_LDFLAGS"
+ AC_MSG_RESULT($have_ld_version_script)
+ fi
+ AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
+])