separate the BSWAP check from the action

checks need to be unconditional with autoconf

1 files changed, 17 insertions, 14 deletions

diff --git a/configure.ac b/configure.ac
index 8f174ad..24eb24f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -53,20 +53,6 @@ case $host_os in
         *) ;;
 esac
 
-case $host_cpu in
-        *sparc*)
-                CFLAGS="$CFLAGS -D__STRICT_ALIGNMENT"
-                ;;
-        *arm*)
-                old_cflags=$CFLAGS
-                CFLAGS="$old_cflags -I$srcdir/include"
-                AC_TRY_COMPILE([#include "$srcdir/crypto/modes/modes_lcl.h"],
-                               [int a = 0; BSWAP4(a);],
-                               CFLAGS="$old_cflags",
-                               CFLAGS="$old_cflags -D__STRICT_ALIGNMENT")
-                ;;
-esac
-
 AM_CONDITIONAL([HOST_DARWIN],  [test x$HOST_OS = xdarwin])
 AM_CONDITIONAL([HOST_FREEBSD], [test x$HOST_OS = xfreebsd])
 AM_CONDITIONAL([HOST_HPUX],    [test x$HOST_OS = xhpux])
@@ -297,6 +283,23 @@ AC_ARG_ENABLE([asm],
         AS_HELP_STRING([--disable-asm], [Disable assembly]))
 AM_CONDITIONAL([OPENSSL_NO_ASM], [test "x$enable_asm" = "xno"])
 
+old_cflags=$CFLAGS
+CFLAGS="$old_cflags -I$srcdir/include"
+AC_TRY_COMPILE([#include "$srcdir/crypto/modes/modes_lcl.h"],
+               [int a = 0; BSWAP4(a);],
+               BSWAP4=yes, BSWAP4=no)
+CFLAGS="$old_cflags"
+
+case $host_cpu in
+        *sparc*)
+                CFLAGS="$CFLAGS -D__STRICT_ALIGNMENT"
+                ;;
+        *arm*)
+                AS_IF([test "x$BSWAP4" = "xyes"],,
+                    CFLAGS="$old_cflags -D__STRICT_ALIGNMENT")
+                ;;
+esac
+
 AM_CONDITIONAL([HOST_ASM_ELF_X86_64],
     [test "x$HOST_ABI" = "xelf" -a "$host_cpu" = "x86_64" -a "x$enable_asm" != "xno"])
 AM_CONDITIONAL([HOST_ASM_MACOSX_X86_64],