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| author | Paolo Bonzini <pbonzini@redhat.com> | 2004-05-24 10:45:14 +0000 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2004-05-24 10:45:14 +0000 |
| commit | c580d51621dc3fee84db019342cc973f0f3e542c (patch) | |
| tree | 1c4111f32e6ff448bde038038170e66ac1985556 /config/acx.m4 | |
| parent | a7e609d6a985d400639b3daac1755b64023fc664 (diff) | |
| download | cygnal-c580d51621dc3fee84db019342cc973f0f3e542c.tar.gz cygnal-c580d51621dc3fee84db019342cc973f0f3e542c.tar.bz2 cygnal-c580d51621dc3fee84db019342cc973f0f3e542c.zip | |
2004-05-23 Paolo Bonzini <bonzini@gnu.org>
* Makefile.def (host_modules): add libcpp.
* Makefile.tpl: Add dependencies on and for libcpp.
* Makefile.in: Regenerate.
* configure.in: Add libcpp host module.
* configure: Regenerate.
config/ChangeLog:
2004-05-23 Paolo Bonzini <bonzini@gnu.org>
* acx.m4 (ACX_HEADER_STDBOOL, ACX_HEADER_STRING):
From gcc.
Diffstat (limited to 'config/acx.m4')
| -rw-r--r-- | config/acx.m4 | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/config/acx.m4 b/config/acx.m4 index 3652836bb..b96d688bd 100644 --- a/config/acx.m4 +++ b/config/acx.m4 @@ -224,3 +224,37 @@ AC_DEFUN([ACX_PROG_CMP_IGNORE_INITIAL], do_compare="$gcc_cv_prog_cmp_skip" AC_SUBST(do_compare) ]) + +dnl See whether we can include both string.h and strings.h. +AC_DEFUN([ACX_HEADER_STRING], +[AC_CACHE_CHECK([whether string.h and strings.h may both be included], + gcc_cv_header_string, +[AC_TRY_COMPILE([#include <string.h> +#include <strings.h>], , gcc_cv_header_string=yes, gcc_cv_header_string=no)]) +if test $gcc_cv_header_string = yes; then + AC_DEFINE(STRING_WITH_STRINGS, 1, [Define if you can safely include both <string.h> and <strings.h>.]) +fi +]) + +dnl See if stdbool.h properly defines bool and true/false. +dnl Check whether _Bool is built-in. +AC_DEFUN([ACX_HEADER_STDBOOL], +[AC_CACHE_CHECK([for working stdbool.h], + ac_cv_header_stdbool_h, +[AC_TRY_COMPILE([#include <stdbool.h>], +[bool foo = false;], +ac_cv_header_stdbool_h=yes, ac_cv_header_stdbool_h=no)]) +if test $ac_cv_header_stdbool_h = yes; then + AC_DEFINE(HAVE_STDBOOL_H, 1, + [Define if you have a working <stdbool.h> header file.]) +fi +AC_CACHE_CHECK(for built-in _Bool, gcc_cv_c__bool, +[AC_TRY_COMPILE(, +[_Bool foo;], +gcc_cv_c__bool=yes, gcc_cv_c__bool=no) +]) +if test $gcc_cv_c__bool = yes; then + AC_DEFINE(HAVE__BOOL, 1, [Define if the \`_Bool' type is built-in.]) +fi +]) + |