# Nb: Tools need to augment these flags with an arch-selection option, such
# as $(AM_FLAG_M3264_PRI).
-AM_CFLAGS = -Winline -Wall -Wshadow -g
-AM_CXXFLAGS = -Winline -Wall -Wshadow -g
+AM_CFLAGS = -Winline -Wall -Wshadow -Wno-long-long -g \
+ @FLAG_FNO_STACK_PROTECTOR@
+AM_CXXFLAGS = -Winline -Wall -Wshadow -Wno-long-long -g \
+ @FLAG_FNO_STACK_PROTECTOR@
# Include AM_CPPFLAGS in AM_CCASFLAGS to allow for older versions of
# automake; see comments in Makefile.all.am for more detail.
AM_CCASFLAGS = $(AM_CPPFLAGS)
noinst_DSYMS = $(check_PROGRAMS)
endif
-if HAS_WRITE_STRINGS_WARNING
-CFLAGS += -Wno-write-strings
-endif
-
if COMPILER_IS_CLANG
-CFLAGS += -Wno-format-extra-args # perf/tinycc.c
-CFLAGS += -Wno-literal-range # none/tests/amd64/fxtract.c
-CFLAGS += -Wno-string-plus-int # drd/tests/annotate_ignore_rw.c
-CXXFLAGS += -Wno-unused-private-field # drd/tests/tsan_unittest.cpp
+AM_CFLAGS += -Wno-format-extra-args # perf/tinycc.c
+AM_CFLAGS += -Wno-literal-range # none/tests/amd64/fxtract.c
+AM_CFLAGS += -Wno-tautological-constant-out-of-range-compare # ...../aes.c
+AM_CFLAGS += -Wno-self-assign # memcheck/tests/unit_libcbase.c
+AM_CFLAGS += -Wno-string-plus-int # drd/tests/annotate_ignore_rw.c
+AM_CFLAGS += -Wno-uninitialized # clang 3.4.2 and earlier
+AM_CFLAGS += -Wno-unused-value # clang 3.0.0
+AM_CXXFLAGS += -Wno-unused-private-field # drd/tests/tsan_unittest.cpp
endif
-# Compile testcases without -Wcast-qual
-CFLAGS += -Wno-cast-qual
-CXXFLAGS += -Wno-cast-qual
-
check-local: build-noinst_DSYMS
clean-local: clean-noinst_DSYMS
AM_MAINTAINER_MODE
+#----------------------------------------------------------------------------
+# Do NOT modify these flags here. Except in feature tests in which case
+# the original values must be properly restored.
+#----------------------------------------------------------------------------
+CFLAGS="$CFLAGS"
+CXXFLAGS="$CXXFLAGS"
+
#----------------------------------------------------------------------------
# Checks for various programs.
#----------------------------------------------------------------------------
-CFLAGS="-Wno-long-long $CFLAGS"
-CXXFLAGS="-Wno-long-long $CXXFLAGS"
AC_PROG_LN_S
AC_PROG_CC
AM_CONDITIONAL(COMPILER_IS_CLANG, test $is_clang = clang -o $is_clang = applellvm)
AM_CONDITIONAL(COMPILER_IS_ICC, test $is_clang = icc)
-if test $is_clang = clang -o $is_clang = applellvm ; then
- CFLAGS="$CFLAGS -Wno-tautological-compare -Wno-cast-align -Wno-self-assign"
- CXXFLAGS="$CXXFLAGS -Wno-tautological-compare -Wno-cast-align -Wno-self-assign"
-fi
-
# Note: m4 arguments are quoted with [ and ] so square brackets in shell
# statements have to be quoted.
case "${is_clang}-${gcc_version}" in
])
AC_GCC_WARNING_COND([pointer-sign], [HAS_POINTER_SIGN_WARNING])
-AC_GCC_WARNING_COND([write-strings], [HAS_WRITE_STRINGS_WARNING])
-if test $has_warning_flag = yes; then
- CFLAGS="$CFLAGS -Wwrite-strings"
- CXXFLAGS="$CXXFLAGS -Wwrite-strings"
-fi
# Convenience function to check whether GCC supports a particular
# warning option. Similar to AC_GCC_WARNING_COND, but does a
CFLAGS=$safe_CFLAGS
])
+# Convenience function. Like AC_GCC_WARNING_SUBST_NO, except it substitutes
+# -W$1 (instead of -Wno-$1).
+AC_DEFUN([AC_GCC_WARNING_SUBST],[
+ AC_MSG_CHECKING([if gcc accepts -W$1])
+ safe_CFLAGS=$CFLAGS
+ CFLAGS="-W$1"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
+ AC_SUBST([$2], [-W$1])
+ AC_MSG_RESULT([yes])], [
+ AC_SUBST([$2], [])
+ AC_MSG_RESULT([no])])
+ CFLAGS=$safe_CFLAGS
+])
+
AC_GCC_WARNING_SUBST_NO([empty-body], [FLAG_W_NO_EMPTY_BODY])
AC_GCC_WARNING_SUBST_NO([format-zero-length], [FLAG_W_NO_FORMAT_ZERO_LENGTH])
-AC_GCC_WARNING_SUBST_NO([tautological-compare], [FLAG_W_NO_TAUTOLOGICAL_COMPARE])
AC_GCC_WARNING_SUBST_NO([nonnull], [FLAG_W_NO_NONNULL])
AC_GCC_WARNING_SUBST_NO([overflow], [FLAG_W_NO_OVERFLOW])
AC_GCC_WARNING_SUBST_NO([uninitialized], [FLAG_W_NO_UNINITIALIZED])
AC_GCC_WARNING_SUBST_NO([unused-function], [FLAG_W_NO_UNUSED_FUNCTION])
AC_GCC_WARNING_SUBST_NO([static-local-in-inline], [FLAG_W_NO_STATIC_LOCAL_IN_INLINE])
+AC_GCC_WARNING_SUBST([write-strings], [FLAG_W_WRITE_STRINGS])
+AC_GCC_WARNING_SUBST([format], [FLAG_W_FORMAT])
+AC_GCC_WARNING_SUBST([format-security], [FLAG_W_FORMAT_SECURITY])
+AC_GCC_WARNING_SUBST([cast-qual], [FLAG_W_CAST_QUAL])
# does this compiler support -Wextra or the older -W ?
])
CFLAGS=$safe_CFLAGS
-# does this compiler support -Wcast-qual ?
-AC_GCC_WARNING_COND([cast-qual], [HAS_CAST_QUAL_WARNING])
-if test $has_warning_flag = yes; then
- CFLAGS="$CFLAGS -Wcast-qual"
- CXXFLAGS="$CXXFLAGS -Wcast-qual"
-fi
-
-
# does this compiler support -fno-stack-protector ?
AC_MSG_CHECKING([if gcc accepts -fno-stack-protector])
AC_SUBST(FLAG_FNO_STACK_PROTECTOR)
-if test x$no_stack_protector = xyes; then
- CFLAGS="$CFLAGS -fno-stack-protector"
- CXXFLAGS="$CXXFLAGS -fno-stack-protector"
-fi
-
-
# does this compiler support --param inline-unit-growth=... ?
AC_MSG_CHECKING([if gcc accepts --param inline-unit-growth])
projects / thirdparty / valgrind.git / commitdiff
