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* acx.m4 (AC_PROG_CPP_WERROR): New. 

From-SVN: r71776
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Daniel Jacobowitz 2003-09-25 14:27:52 +00:00 committed by Daniel Jacobowitz
parent b033df9072
commit 029e256e27
2 changed files with 19 additions and 0 deletions
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4
config/ChangeLog
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@ -1,3 +1,7 @@
2003-09-24 Daniel Jacobowitz <drow@mvista.com>
* acx.m4 (AC_PROG_CPP_WERROR): New.
2003-07-07 Zack Weinberg <zack@codesourcery.com>
* gettext.m4: Delete all former contents.

15
config/acx.m4
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@ -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