From: Stefan Weil <sw@weilnetz.de>
Date: Fri, 7 Mar 2014 09:43:38 +0000 (+0100)
Subject: configure: Don't use __int128_t for clang versions before 3.2
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a00f66ab9b3021e781695a73c579b6292501ab37;p=qemu.git

configure: Don't use __int128_t for clang versions before 3.2

Those versions don't fully support __int128_t.

Cc: qemu-stable@nongnu.org
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---

diff --git a/configure b/configure
index 8c2838ee3c..2bc6b770e2 100755
--- a/configure
+++ b/configure
@@ -3822,6 +3822,11 @@ fi
 
 int128=no
 cat > $TMPC << EOF
+#if defined(__clang_major__) && defined(__clang_minor__)
+# if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2))
+#  error __int128_t does not work in CLANG before 3.2
+# endif
+#endif
 __int128_t a;
 __uint128_t b;
 int main (void) {