From 11d7dd0e90ff3c31856ec03878121c39041195cd Mon Sep 17 00:00:00 2001 From: simon75j Date: Mon, 31 Aug 2009 06:00:15 +0000 Subject: [PATCH] Add. git-svn-id: https://yubikey-personalization.googlecode.com/svn/trunk@170 b62f149e-849f-11dd-9899-c7ba65f7c4c7 --- m4/ld-version-script.m4 | 44 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 m4/ld-version-script.m4 diff --git a/m4/ld-version-script.m4 b/m4/ld-version-script.m4 new file mode 100644 index 0000000..a97888f --- /dev/null +++ b/m4/ld-version-script.m4 @@ -0,0 +1,44 @@ +# ld-version-script.m4 serial 1 +dnl Copyright (C) 2008, 2009 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 + +# FIXME: The test below returns a false positive for mingw +# cross-compiles, 'local:' statements does not reduce number of +# exported symbols in a DLL. Use --disable-ld-version-script to work +# around the problem. + +# gl_LD_VERSION_SCRIPT +# -------------------- +# Check if LD supports linker scripts, and define automake conditional +# HAVE_LD_VERSION_SCRIPT if so. +AC_DEFUN([gl_LD_VERSION_SCRIPT], +[ + AC_ARG_ENABLE([ld-version-script], + AS_HELP_STRING([--enable-ld-version-script], + [enable 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 LD -Wl,--version-script works]) + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -Wl,--version-script=conftest.map" + cat > conftest.map <