Add AC_CANONICAL_SYSTEM to configure.ac.

[pf3gnuchains/gcc-fork.git] / lto-plugin / configure.ac

diff --git a/lto-plugin/configure.ac b/lto-plugin/configure.ac
index e89a982..4d9380e 100644 (file)
--- a/lto-plugin/configure.ac
+++ b/lto-plugin/configure.ac
@@ -1,5 +1,6 @@
 AC_PREREQ(2.64)
 AC_INIT([LTO plugin for ld], 0.1,,[lto-plugin])
+AC_CANONICAL_SYSTEM
 GCC_TOPLEV_SUBDIRS
 AM_INIT_AUTOMAKE([foreign no-dist])
 AM_MAINTAINER_MODE
@@ -9,6 +10,14 @@ AC_ARG_VAR(LIBELFLIBS,[How to link libelf])
 AC_ARG_VAR(LIBELFINC,[How to find libelf include files])
 AM_PROG_LIBTOOL
 AC_SUBST(target_noncanonical)
+. ${srcdir}/../gcc/config.gcc
+case ${lto_binary_reader} in
+  *coff*) LTO_FORMAT=coff ;;
+  *elf*)  LTO_FORMAT=elf ;;
+  *) AC_MSG_ERROR([LTO plugin is not supported on this target.]) ;;
+esac
+
+AC_SUBST(LTO_FORMAT)
 AC_TYPE_UINT64_T
 AC_CONFIG_FILES(Makefile)
 AC_OUTPUT