Clang support for Altivec/VSX uses a different approach.
---
Clang-4 sadly seeems to have some additional problems.
configure | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/configure b/configure
index d70e61593a..7f1b1b7b38 100755
--- a/configure
+++ b/configure
@@ -4452,7 +4452,14 @@ EOF
if enabled vsx; then
check_cflags -mvsx &&
- check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable
vsx
+ check_cc <<EOF || disable vsx
+$inc_altivec_h
+int main(void) {
+ int v[4] = { 0 };
+ vector signed int v1 = vec_vsx_ld(0, v);
+ return 0;
+}
+EOF
fi
if enabled power8; then
--
2.12.2
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