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| author | Ozkan Sezer <sezero@users.noreply.github.com> | 2022-10-17 08:28:08 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-10-17 07:28:08 +0200 |
| commit | 5a9ffda85271e406c1dfb2872005b9abd83438c3 (patch) | |
| tree | 6b933dffd7083e4c1725166d371f5a3a875ff9f1 | |
| parent | 75ef7958df603ca6de29fa00e82615e0da017903 (diff) | |
| download | flac-5a9ffda85271e406c1dfb2872005b9abd83438c3.tar.gz | |
fix broken bswap.m4
it used to always define HAVE_BSWAP32 and HAVE_BSWAP16 even if the
builtin isn't supported. This broke with commit bfe5ff9
| -rw-r--r-- | m4/bswap.m4 | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/m4/bswap.m4 b/m4/bswap.m4 index 0e24140f..54bb8f0b 100644 --- a/m4/bswap.m4 +++ b/m4/bswap.m4 @@ -39,16 +39,10 @@ AC_DEFUN([XIPH_C_BSWAP32], [AC_CACHE_CHECK(for bswap32 intrinsic, ac_cv_c_bswap32, - # Initialize to no - ac_cv_c_bswap32=no - HAVE_BSWAP32=0 - - [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[return __builtin_bswap32 (0) ;]])],[ac_cv_c_bswap32=yes - HAVE_BSWAP32=1 - ],[])] - AC_DEFINE_UNQUOTED(HAVE_BSWAP32, ${HAVE_BSWAP32}, - [Compiler has the __builtin_bswap32 intrinsic]) - + AC_LINK_IFELSE([AC_LANG_PROGRAM([], [[return __builtin_bswap32 (0) ;]])],[ac_cv_c_bswap32=yes],[ac_cv_c_bswap32=no]) + if test $ac_cv_c_bswap32 = yes; then + AC_DEFINE_UNQUOTED(HAVE_BSWAP32, [1], [Compiler has the __builtin_bswap32 intrinsic]) + fi )] )# XIPH_C_BSWAP32 @@ -64,15 +58,9 @@ AC_DEFUN([XIPH_C_BSWAP16], [AC_CACHE_CHECK(for bswap16 intrinsic, ac_cv_c_bswap16, - # Initialize to no - ac_cv_c_bswap16=no - HAVE_BSWAP16=0 - - [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[return __builtin_bswap16 (0) ;]])],[ac_cv_c_bswap16=yes - HAVE_BSWAP16=1 - ],[])] - AC_DEFINE_UNQUOTED(HAVE_BSWAP16, ${HAVE_BSWAP16}, - [Compiler has the __builtin_bswap16 intrinsic]) - + AC_LINK_IFELSE([AC_LANG_PROGRAM([], [[return __builtin_bswap16 (0) ;]])],[ac_cv_c_bswap16=yes],[ac_cv_c_bswap16=no]) + if test $ac_cv_c_bswap16 = yes; then + AC_DEFINE_UNQUOTED(HAVE_BSWAP16, [1], [Compiler has the __builtin_bswap16 intrinsic]) + fi )] )# XIPH_C_BSWAP16 |