From: Chris Hanson <org/chris-hanson/cph>
Date: Sun, 9 Jun 2013 07:25:33 +0000 (-0700)
Subject: Don't allow AC_CHECK_DECL([__x86_64__]) to override user-specified cpu spec.
X-Git-Tag: release-9.2.0~157
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=8fbdb5084a6fd27bcb82797b7e63c1b7e6ced0e5;p=mit-scheme.git

Don't allow AC_CHECK_DECL([__x86_64__]) to override user-specified cpu spec.
---

diff --git a/src/microcode/aclocal.m4 b/src/microcode/aclocal.m4
index 3016efd59..b32413c81 100644
--- a/src/microcode/aclocal.m4
+++ b/src/microcode/aclocal.m4
@@ -3,15 +3,10 @@
 AC_DEFUN([MIT_SCHEME_NATIVE_CODE],[
 _mit_scheme_native_code_spec=$1
 _mit_scheme_native_code_host_cpu=$2
-case ${_mit_scheme_native_code_host_cpu} in
-i?86)
-    AC_CHECK_DECL([__x86_64__],[_mit_scheme_native_code_host_cpu=x86_64])
-    ;;
-esac
 AC_MSG_CHECKING([for native-code support])
 case ${_mit_scheme_native_code_spec} in
 yes|YES|y|Y)
-    case ${host_cpu} in
+    case ${_mit_scheme_native_code_host_cpu} in
     alpha*)
 	mit_scheme_native_code=alpha
 	;;
@@ -19,7 +14,9 @@ yes|YES|y|Y)
 	mit_scheme_native_code=hppa
 	;;
     i?86)
-	mit_scheme_native_code=i386
+	AC_CHECK_DECL([__x86_64__],
+		      [mit_scheme_native_code=x86-64],
+		      [mit_scheme_native_code=i386])
 	;;
     m68k|m680?0)
 	mit_scheme_native_code=mc68k