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| author | H. Peter Anvin <hpa@linux.intel.com> | 2017-11-29 16:04:05 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2017-11-29 16:04:05 -0800 |
| commit | e5033dfd1c3c30313cf7a428c7bed21c7fae9e5f (patch) | |
| tree | 817b36021a8fc34a32209c17555db6ed5432d1f2 /configure.ac | |
| parent | 2dbfdee7808f14805e639e960e2ebe0da17e42f9 (diff) | |
| download | nasm-e5033dfd1c3c30313cf7a428c7bed21c7fae9e5f.tar.gz | |
configure.ac: add endian headers to configure test
- Add endian headers to the standard tests if present
- Check for __builtin_constant_p()
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 8fb98ef8..3c344abd 100644 --- a/configure.ac +++ b/configure.ac @@ -99,7 +99,6 @@ AC_CHECK_HEADERS(stdnoreturn.h) AC_CHECK_HEADERS(io.h) AC_CHECK_HEADERS(fcntl.h) AC_CHECK_HEADERS(unistd.h) -AC_CHECK_HEADERS(endian.h sys/endian.h machine/endian.h) AC_CHECK_HEADERS(sys/mman.h) AC_CHECK_HEADERS(sys/types.h) AC_CHECK_HEADERS(sys/stat.h) @@ -176,6 +175,7 @@ AC_SUBST([PDFOPT]) dnl dnl Look for byte-swapping support... dnl +PA_ADD_HEADERS(endian.h sys/endian.h machine/endian.h) PA_HAVE_FUNC(cpu_to_le16, (0)) PA_HAVE_FUNC(cpu_to_le32, (0)) PA_HAVE_FUNC(cpu_to_le64, (0)) @@ -196,6 +196,11 @@ PA_HAVE_FUNC(_byteswap_ulong, (0)) PA_HAVE_FUNC(_byteswap_uint64, (0)) dnl +dnl Check for __builtin_constant_p() +dnl +PA_HAVE_FUNC(__builtin_constant_p, (0)) + +dnl dnl Check for supported gcc attributes; some compilers (e.g. Sun CC) dnl support these, but don't define __GNUC__ as they don't support dnl some other features of gcc. |