* configure.ac: on OS X ppc, prefer -maltivec to -faltivec if possible.

882aa544 · Sam Hocevar · f4994b21 · 882aa544
Commit 882aa544 authored Aug 23, 2005 by Sam Hocevar
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Showing with 11 additions and 11 deletions

configure.ac configure.ac +11 -11

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--- a/configure.ac
+++ b/configure.ac
@@ -1125,19 +1125,19 @@ CPPFLAGS="${CPPFLAGS_save}"

 AC_CACHE_CHECK([if \$CC groks AltiVec C extensions],
    [ac_cv_c_altivec],
-    [# Darwin test
-     CFLAGS="${CFLAGS_save} -faltivec"
-     AC_TRY_COMPILE([],
+    [# Linux/PPC test (no flags)
+     CFLAGS="${CFLAGS_save} ${CFLAGS_idctaltivec} -maltivec -mabi=altivec"
+     AC_TRY_COMPILE([#ifdef HAVE_ALTIVEC_H
+                     #include <altivec.h>
+                     #endif],
       [vec_ld(0, (unsigned char *)0);],
-       [ac_cv_c_altivec="-faltivec"],
-       [# Linux/PPC test (no flags)
-        CFLAGS="${CFLAGS_save} ${CFLAGS_idctaltivec} -maltivec -mabi=altivec"
-        AC_TRY_COMPILE([#ifdef HAVE_ALTIVEC_H
-                        #include <altivec.h>
-                        #endif],
+       [ac_cv_c_altivec=""
+        ac_cv_c_altivec_abi="-maltivec -mabi=altivec"],
+       [# Darwin test
+        CFLAGS="${CFLAGS_save} -faltivec"
+        AC_TRY_COMPILE([],
          [vec_ld(0, (unsigned char *)0);],
-          [ac_cv_c_altivec=""
-           ac_cv_c_altivec_abi="-maltivec -mabi=altivec"],
+          [ac_cv_c_altivec="-faltivec"],
          [# Linux/PPC test (old GCC versions)
           CFLAGS="${CFLAGS_save} ${CFLAGS_idctaltivec} -fvec"
           AC_TRY_COMPILE([#ifdef HAVE_ALTIVEC_H