diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 2e0662a781..859e85752f 100644 --- a/configure.in +++ b/configure.in @@ -1063,9 +1063,23 @@ RUBY_CHECK_SIZEOF(rlim_t, [int long "long long"], [], [ #include <stdio.h> ]) +AC_DEFUN([RUBY_CHECK_PRINTF_PREFIX], [ +AC_CACHE_CHECK([printf prefix for $1], rb_cv_pri_prefix_[$1], + RUBY_WERROR_FLAG(AC_TRY_COMPILE( + [@%:@include <stdio.h>], + [printf("%]$2[d", sizeof(long));], + [rb_cv_pri_prefix_[$1]=[$2]], + [rb_cv_pri_prefix_[$1]=[NONE]]))) +if test "$rb_cv_pri_prefix_[$1]" != NONE; then + AC_DEFINE_UNQUOTED([PRI_]AS_TR_CPP(m4_bpatsubst([$1],[_t$]))[_PREFIX], "$rb_cv_pri_prefix_[$1]") +fi +]) + AC_TYPE_SIZE_T RUBY_CHECK_SIZEOF(size_t, [int long void*], [], [@%:@include <sys/types.h>]) RUBY_CHECK_SIZEOF(ptrdiff_t, size_t, [], [@%:@include <stddef.h>]) +RUBY_CHECK_PRINTF_PREFIX(size_t, z) +RUBY_CHECK_PRINTF_PREFIX(ptrdiff_t, t) AC_STRUCT_ST_BLKSIZE AC_STRUCT_ST_BLOCKS AC_STRUCT_ST_RDEV |