Do not compile ansi.c with clang as that compiler does not
recognise the -ansi command line option.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15628 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/none/tests/Makefile.am b/none/tests/Makefile.am
index 79f0e4e..54f2a7e 100644
--- a/none/tests/Makefile.am
+++ b/none/tests/Makefile.am
@@ -198,7 +198,7 @@
 	process_vm_readv_writev.stderr.exp process_vm_readv_writev.vgtest
 
 check_PROGRAMS = \
-	ansi args \
+	args \
 	async-sigs \
 	bitfield1 \
 	bug129866 bug234814 \
@@ -250,6 +250,11 @@
    check_PROGRAMS += rlimit64_nofile 
 endif
 
+# clang does now know -ansi
+if ! COMPILER_IS_CLANG
+   check_PROGRAMS += ansi
+endif
+
 if BUILD_IFUNC_TESTS
    check_PROGRAMS += ifunc
 endif