diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 5abf2c3c52..91c2b544f7 100644 --- a/configure.in +++ b/configure.in @@ -544,6 +544,43 @@ AC_STRUCT_ST_BLKSIZE AC_STRUCT_ST_BLOCKS AC_STRUCT_ST_RDEV +dnl RUBY_DEFINT TYPENAME, SIZE, [SIGNED-OR-UNSIGNED], [INCLUDES = DEFAULT-INCLUDES] +AC_DEFUN([RUBY_DEFINT], [dnl +AC_CACHE_CHECK([for $1], [rb_cv_type_$1], +[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT([$4]) +typedef $1 t; int s = sizeof(t) == 42;])], + [rb_cv_type_$1=yes], + [AS_CASE([m4_bmatch([$2], [^[1-9][0-9]*$], $2, [$ac_cv_sizeof_]AS_TR_SH($2))], + ["1"], [ rb_cv_type_$1="m4_if([$3], [], [signed ], [$3 ])char"], + ["$ac_cv_sizeof_short"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])short"], + ["$ac_cv_sizeof_int"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])int"], + ["$ac_cv_sizeof_long"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])long"], + ["$ac_cv_sizeof_long_long"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])long long"], + ["$ac_cv_sizeof___int64"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])__int64"], + [ rb_cv_type_$1=no])])]) +if test "${rb_cv_type_$1}" != no; then + AC_DEFINE([HAVE_]AS_TR_CPP($1), 1) + if test "${rb_cv_type_$1}" = yes; then + m4_bmatch([$2], [^[1-9][0-9]*$], [AC_CHECK_SIZEOF([$1], 0, [AC_INCLUDES_DEFAULT([$4])])], + [RUBY_CHECK_SIZEOF([$1], [$2], [], [AC_INCLUDES_DEFAULT([$4])])]) + else + AC_DEFINE_UNQUOTED($1, [$rb_cv_type_$1]) + AC_DEFINE_UNQUOTED([SIZEOF_]AS_TR_CPP($1), [SIZEOF_]AS_TR_CPP([$rb_cv_type_$1])) + fi +fi +]) + +RUBY_DEFINT(int8_t, 1) +RUBY_DEFINT(uint8_t, 1, unsigned) +RUBY_DEFINT(int16_t, 2) +RUBY_DEFINT(uint16_t, 2, unsigned) +RUBY_DEFINT(int32_t, 4) +RUBY_DEFINT(uint32_t, 4, unsigned) +RUBY_DEFINT(int64_t, 8) +RUBY_DEFINT(uint64_t, 8, unsigned) +RUBY_DEFINT(int128_t, 16) +RUBY_DEFINT(uint128_t, 16, unsigned) + dnl Checks for library functions. AC_TYPE_GETGROUPS AC_TYPE_SIGNAL |