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Don't use IF_LINT in Bison sources.

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It creates unnecessary differences between the sources that Bison
maintainers build and test (given that maintainers normally
configure with --enable-gcc-warnings) and the sources that Bison
users build.  Instead, use PACIFY_CC, which doesn't.  This change
fixes compiler warnings reported by Tys Lefering at
<http://lists.gnu.org/archive/html/bison-patches/2011-05/msg00004.html>.
* configure.ac: Don't AC_DEFINE lint regardless of the configure
options.  This change affects imported gnulib sources, where
IF_LINT still appears and depends on lint.
* src/scan-gram.l, src/scan-skel.l: Replace uses of IF_LINT with
PACIFY_CC.
* src/system.h (IF_LINT): Remove cpp macro.
(PACIFY_CC): New cpp macro.
(cherry picked from commit 77bb73e7af)

Conflicts:

	src/scan-gram.l
This commit is contained in:
Joel E. Denny
2011-05-14 16:16:26 -04:00
parent 1f36f54446
commit 84f6a6ca70
5 changed files with 35 additions and 13 deletions
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1
configure.ac
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@@ -84,7 +84,6 @@ if test "${enableval}" = yes; then
WARN_CFLAGS_TEST="$WARN_CFLAGS $WARN_CFLAGS_TEST"
AC_SUBST([WARN_CXXFLAGS_TEST])
AC_SUBST([WARN_CFLAGS_TEST])
AC_DEFINE([lint], 1, [Define to 1 if the compiler is checking for lint.])
fi
BISON_TEST_FOR_WORKING_C_COMPILER