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build: prepare to enable -Werror also for gnulib-tests/

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* configure.ac (GNULIB_WARN_CFLAGS): Define new variable, for use
in gnulib-tests.
* gnulib-tests/Makefile.am: Disable specific -W___ options,
but only for a few specific offending tests:
(test_xvasprintf_CFLAGS): Define.
(test_lock_CFLAGS, test_tls_CFLAGS): Define.
This commit is contained in:
Jim Meyering
2010-10-13 11:20:18 +02:00
parent 9300fffcb5
commit 71a3fd73a1
2 changed files with 22 additions and 1 deletions
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7
configure.ac
View File

@@ -124,6 +124,13 @@ if test "$gl_gcc_warnings" = yes; then
nw="$nw -Wold-style-definition"
gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
AC_SUBST([GNULIB_WARN_CFLAGS])
# For gnulib-tests, the set is slightly smaller still.
nw=
nw="$nw -Wstrict-prototypes"
gl_MANYWARN_COMPLEMENT([GNULIB_TEST_WARN_CFLAGS],
[$GNULIB_WARN_CFLAGS], [$nw])
AC_SUBST([GNULIB_TEST_WARN_CFLAGS])
fi
AC_FUNC_FORK

16
gnulib-tests/Makefile.am
View File

@@ -1,3 +1,17 @@
include gnulib.mk
AM_CFLAGS = $(GNULIB_WARN_CFLAGS) # $(WERROR_CFLAGS)
AM_CFLAGS = $(GNULIB_TEST_WARN_CFLAGS) # $(WERROR_CFLAGS)
# A few tests are inherently warning-evoking.
# Since we require -Werror, exempt the few offenders.
# test-xvasprintf.c: In function 'test_xasprintf':
# test-xvasprintf.c:100: error: format not a string literal and no \
# format arguments [-Wformat-security]
test_xvasprintf_CFLAGS = $(AM_CFLAGS) -Wno-format-security
# test-lock.c: In function 'lock_mutator_thread':
# test-lock.c:148: error: cast from function call of type 'pthread_t' to \
# non-matching type 'void *' [-Wbad-function-cast]
test_lock_CFLAGS = $(AM_CFLAGS) -Wno-bad-function-cast
test_tls_CFLAGS = $(AM_CFLAGS) -Wno-bad-function-cast