Import the asan runtime library into GCC tree

This patch imports the runtime library in the GCC tree, ensures that
-lasan is passed to the linker when -faddress-sanitizer is used and
sets up the build system accordingly.

ChangeLog:

	* configure.ac: Add libsanitizer to target_libraries.
	* Makefile.def: Ditto.
	* configure: Regenerate.
	* Makefile.in: Regenerate.
	* libsanitizer: New directory for asan runtime.  Contains an empty
	tsan directory.

gcc/ChangeLog:

	* gcc.c (LINK_COMMAND_SPEC): Add -laddress-sanitizer to link
	command if -faddress-sanitizer is on.

libsanitizer:

	Initial checkin: migrate asan runtime from llvm.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@193441 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 42 insertions, 0 deletions

diff --git a/libsanitizer/configure.ac b/libsanitizer/configure.ac
new file mode 100644
index 00000000000..3f186c2b767
--- /dev/null
+++ b/libsanitizer/configure.ac
@@ -0,0 +1,42 @@
+#                                               -*- Autoconf -*-
+# Process this file with autoconf to produce a configure script.
+
+AC_PREREQ([2.68])
+AC_INIT(package-unused, version-unused, libsanitizer)
+AC_CONFIG_SRCDIR([include/sanitizer/common_interface_defs.h])
+AC_CONFIG_AUX_DIR(.)
+AM_INIT_AUTOMAKE(foreign)
+
+# Checks for programs.
+AC_PROG_CC
+AC_PROG_CXX
+AM_PROG_AS
+
+AC_LIBTOOL_DLOPEN
+AM_PROG_LIBTOOL
+
+AC_SUBST(enable_shared)
+AC_SUBST(enable_static)
+
+#AM_ENABLE_MULTILIB(, ..)
+target_alias=${target_alias-$host_alias}
+AC_SUBST(target_alias)
+
+toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
+toolexeclibdir='$(libdir)'
+AC_SUBST(toolexecdir)
+AC_SUBST(toolexeclibdir)
+
+AC_CONFIG_FILES([Makefile])
+
+AC_CONFIG_FILES(AC_FOREACH([DIR], [interception sanitizer_common asan], [DIR/Makefile ]),
+  [cat > vpsed$$ << \_EOF
+s!`test -f '$<' || echo '$(srcdir)/'`!!
+_EOF
+   sed -f vpsed$$ $ac_file > tmp$$
+   mv tmp$$ $ac_file
+   rm vpsed$$
+   echo 'MULTISUBDIR =' >> $ac_file
+])
+
+AC_OUTPUT