# default flags for all hosts
QEMU_CFLAGS="-fno-strict-aliasing $QEMU_CFLAGS"
QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
-QEMU_CFLAGS="-Wredundant-decls $QEMU_CFLAGS"
+QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/include"
if test "$debug_info" = "yes"; then
# GTK probe
if test "$gtk" != "no"; then
- if $pkg_config gtk+-2.0 --modversion >/dev/null 2>/dev/null && \
- $pkg_config vte --modversion >/dev/null 2>/dev/null; then
+ if $pkg_config --exists 'gtk+-2.0 >= 2.18.0' && \
+ $pkg_config --exists 'vte >= 0.24.0'; then
gtk_cflags=`$pkg_config --cflags gtk+-2.0 2>/dev/null`
gtk_libs=`$pkg_config --libs gtk+-2.0 2>/dev/null`
vte_cflags=`$pkg_config --cflags vte 2>/dev/null`
fi
########################################
-# check whether we can disable the -Wunused-but-set-variable
-# option with a pragma (this is needed to silence a warning in
-# some versions of the valgrind VALGRIND_STACK_DEREGISTER macro.)
-# This test has to be compiled with -Werror as otherwise an
-# unknown pragma is only a warning.
+# check whether we can disable warning option with a pragma (this is needed
+# to silence warnings in the headers of some versions of external libraries).
+# This test has to be compiled with -Werror as otherwise an unknown pragma is
+# only a warning.
+#
+# If we can't selectively disable warning in the code, disable -Werror so that
+# the build doesn't fail anyway.
+
pragma_disable_unused_but_set=no
cat > $TMPC << EOF
#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
+#pragma GCC diagnostic ignored "-Wstrict-prototypes"
+
int main(void) {
return 0;
}
EOF
if compile_prog "-Werror" "" ; then
pragma_diagnostic_available=yes
+else
+ werror=no
fi
########################################