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| author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-07-14 14:28:33 +0000 |
|---|---|---|
| committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-07-14 14:28:33 +0000 |
| commit | 240f3056aa0e095a6b03d5763c2775e97b4ee7d3 (patch) | |
| tree | 071e9f61ebc458a88ecc09f9ce0deb3940929a0c /configure.in | |
| parent | b0eacd027a5f45c0135c7fa294bacb8162ae46b9 (diff) | |
| download | ruby-240f3056aa0e095a6b03d5763c2775e97b4ee7d3.tar.gz | |
* configure.in: Check __builtin_popcountl, __builtin_bswap32 and
__builtin_bswap64.
* internal.h (swap32): Use the configure result for the condition to
use __builtin_bswap32.
(swap64): Use the configure result for the condition to use
__builtin_bswap64.
* bignum.c (ones): Use the configure result for the condition to use
__builtin_popcountl.
(bary_unpack_internal): Use appropriate types for swap argument.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41963 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/configure.in b/configure.in index dce99e36b4..adc465a427 100644 --- a/configure.in +++ b/configure.in @@ -1838,6 +1838,19 @@ AC_CHECK_FUNCS(utimes) AC_CHECK_FUNCS(wait4) AC_CHECK_FUNCS(waitpid) +AC_DEFUN([RUBY_CHECK_BUILTIN_FUNC], [dnl +AC_CACHE_CHECK([for $1], AS_TR_SH(rb_cv_builtin_$1), + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM([], [$2;])], + [AS_TR_SH(rb_cv_builtin_$1)=yes], + [AS_TR_SH(rb_cv_builtin_$1)=no])]) +if test "${AS_TR_SH(rb_cv_builtin_$1)}" != no; then + AC_DEFINE(AS_TR_CPP(HAVE_BUILTIN_$1)) +fi]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_popcountl, [__builtin_popcountl(0)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_bswap32, [__builtin_bswap32(0)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_bswap64, [__builtin_bswap64(0)]) + # Some platform neet -lrt for clock_gettime, but the other don't. if test x"$ac_cv_func_clock_gettime" != xyes; then # glibc 2.17 moves clock_* functions from librt to the main C library. |