gcc-4.0.1 rejects insn_{mmx,sse,sse2}.c despite the fact that
gcc-4.0.0 accepted it. This commit adds flags to placate 4.0.1 (from
Dirk Mueller).
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@4096 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/configure.in b/configure.in
index 7a615c8..4e7135e 100644
--- a/configure.in
+++ b/configure.in
@@ -316,6 +316,48 @@
AC_SUBST(FLAG_M32)
+# does this compiler support -mmmx ?
+AC_MSG_CHECKING([if gcc accepts -mmmx])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-mmmx"
+
+AC_TRY_COMPILE(, [
+int main () { return 0 ; }
+],
+[
+FLAG_MMMX="-mmmx"
+AC_MSG_RESULT([yes])
+], [
+FLAG_MMMX=""
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+AC_SUBST(FLAG_MMMX)
+
+
+# does this compiler support -msse ?
+AC_MSG_CHECKING([if gcc accepts -msse])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-msse"
+
+AC_TRY_COMPILE(, [
+int main () { return 0 ; }
+],
+[
+FLAG_MSSE="-msse"
+AC_MSG_RESULT([yes])
+], [
+FLAG_MSSE=""
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+AC_SUBST(FLAG_MSSE)
+
+
# does this compiler support -mpreferred-stack-boundary=2 ?
AC_MSG_CHECKING([if gcc accepts -mpreferred-stack-boundary])