diff options
| author | Daniel Jacobowitz <dan@debian.org> | 2003-09-25 14:27:21 +0000 |
|---|---|---|
| committer | Daniel Jacobowitz <dan@debian.org> | 2003-09-25 14:27:21 +0000 |
| commit | 5e0baf061447ef59801fd9092baa30bd9a5eb37f (patch) | |
| tree | b654bdce634fb14b7466e6ad6809fda4159fcd87 /config/acx.m4 | |
| parent | b18c95097d7a023adbe17b8ce8e5b37e122b30ee (diff) | |
| download | gdb-5e0baf061447ef59801fd9092baa30bd9a5eb37f.tar.gz | |
* acx.m4 (AC_PROG_CPP_WERROR): New.
Diffstat (limited to 'config/acx.m4')
| -rw-r--r-- | config/acx.m4 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/config/acx.m4 b/config/acx.m4 index ea5cb07dcab..96b7c8a5cad 100644 --- a/config/acx.m4 +++ b/config/acx.m4 @@ -140,3 +140,18 @@ else $1="$ac_cv_prog_$1" fi ]) []dnl # NCN_STRICT_CHECK_TARGET_TOOL + +### +# AC_PROG_CPP_WERROR +# Used for autoconf 2.5x to force AC_PREPROC_IFELSE to reject code which +# triggers warnings from the preprocessor. Will be in autoconf 2.58. +# For now, using this also overrides header checks to use only the +# preprocessor (matches 2.13 behavior; matching 2.58's behavior is a +# bit harder from here). +# Eventually autoconf will default to checking headers with the compiler +# instead, and we'll have to do this differently. + +AC_DEFUN([AC_PROG_CPP_WERROR], +[AC_REQUIRE([AC_PROG_CPP])dnl +m4_define([AC_CHECK_HEADER],m4_defn([_AC_CHECK_HEADER_OLD])) +ac_c_preproc_warn_flag=yes])# AC_PROG_CPP_WERROR |