configure: Undefine __SIZEOF_INT128__

We don't yet support __int128.

1 files changed, 1 insertions, 0 deletions

diff --git a/configure b/configure
index 39f0c0a..e93657c 100755
--- a/configure
+++ b/configure
@@ -138,6 +138,7 @@ static char *preprocesscmd[] = {
 	"-D", "__STDC_NO_ATOMICS__",
 	"-D", "__STDC_NO_COMPLEX__",
 	"-D", "__STDC_NO_VLA__",
+	"-U", "__SIZEOF_INT128__",
 
 	/* ignore attributes and extension markers */
 	"-D", "__attribute__(x)=",