Commit 87408b36 authored by Ralph Giles's avatar Ralph Giles Committed by Erik de Castro Lopo
Browse files

Clean up bswap32 autoconf macro.



Improve 'checking' message and don't hog the cache namespace.
Signed-off-by: Erik de Castro Lopo's avatarErik de Castro Lopo <erikd@mega-nerd.com>
parent 7a671e7c
......@@ -36,16 +36,16 @@ dnl Dtermine whether the compiler has the __builtin_bswap32() intrinsic which
dnl is likely to be present for most versions of GCC as well as Clang.
AC_DEFUN([XIPH_C_BSWAP32],
[AC_CACHE_CHECK(has bswap32 instrinsic,
ac_cv_c_bswap,
[AC_CACHE_CHECK(for bswap32 instrinsic,
ac_cv_c_bswap32,
# Initialize to no
ac_cv_c_bswap=no
ac_cv_c_bswap32=no
HAVE_BSWAP32=0
[AC_TRY_LINK([],
return __builtin_bswap32 (0) ;,
ac_cv_c_bswap=yes
ac_cv_c_bswap32=yes
HAVE_BSWAP32=1
)]
AC_DEFINE_UNQUOTED(HAVE_BSWAP32, ${HAVE_BSWAP32},
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment