From 88ee301ec2e4506a30ec7ac9aaa2288e2dcadd0e Mon Sep 17 00:00:00 2001
From: Lasse Collin <lasse.collin@tukaani.org>
Date: Sun, 6 Jan 2008 19:46:38 +0200
Subject: Automatically disable assembler code on Darwin x86. Darwin has
 different ABI than GNU+Linux and Solaris, thus the assembler code doesn't
 assemble on Darwin.

---
 configure.ac | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 514408e8..da2944cd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -298,8 +298,21 @@ AC_ARG_ENABLE(assembler, AC_HELP_STRING([--disable-assembler],
 		[], [enable_assembler=yes])
 if test "x$enable_assembler" = xyes; then
 	case $host_cpu in
-		i?86)   enable_assembler=x86 ;;
-		*)      enable_assembler=no ;;
+		i?86)
+			# Darwin has different ABI than GNU+Linux and Solaris,
+			# and the x86 assembler code doesn't assemble.
+			case $host_os in
+				darwin*)
+					enable_assembler=no
+					;;
+				*)
+					enable_assembler=x86
+					;;
+			esac
+			;;
+		*)
+			enable_assembler=no
+			;;
 	esac
 fi
 case $enable_assembler in
-- 
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