test_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
}
+check_ld(){
+ log check_ld "$@"
+ name=$1
+ shift
+ disable $name
+ test_ld $@ && enable $name
+}
+
print_include(){
hdr=$1
test "${hdr%.h}" = "${hdr}" &&
test_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
}
+check_cc(){
+ log check_cc "$@"
+ name=$1
+ shift
+ disable "$name"
+ test_code cc "$@" && enable "$name"
+}
+
require(){
log require "$@"
name_version="$1"
check_lib $name "$@" || die "ERROR: $name_version not found"
}
+require_cc(){
+ log require_cc "$@"
+ name="$1"
+ shift
+ test_code cc "$@" || die "ERROR: $name failed"
+}
+
require_header(){
log require_header "$@"
headers="$1"
! disabled inline_asm && check_inline_asm inline_asm '"" ::'
for restrict_keyword in restrict __restrict__ __restrict ""; do
- test_cc <<EOF && break
-void foo(char * $restrict_keyword p);
-EOF
+ test_code cc "" "char * $restrict_keyword p" && break
done
-test_cc <<EOF && enable pragma_deprecated
-void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
-EOF
+check_cc pragma_deprecated "" '_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")'
-test_cc <<EOF || die "endian test failed"
-unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
-EOF
+require_cc "endian test" "" "unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E'"
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
check_gas() {
:
elif ! test_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
case "${cross_prefix:-$cc}" in
- *hardfloat*) enable vfp_args; fpabi=vfp ;;
- *) test_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
+ *hardfloat*) enable vfp_args; fpabi=vfp ;;
+ *) check_ld vfp_args <<EOF && fpabi=vfp || fpabi=soft ;;
__asm__ (".eabi_attribute 28, 1");
int main(void) { return 0; }
EOF
check_cflags -maltivec -mabi=altivec
# check if our compiler supports Motorola AltiVec C API
- test_code cc altivec.h "vector signed int v1 = (vector signed int) { 0 };
- vector signed int v2 = (vector signed int) { 1 };
- v1 = vec_add(v1, v2);" ||
- disable altivec
+ check_cc altivec altivec.h "vector signed int v1 = (vector signed int) { 0 };
+ vector signed int v2 = (vector signed int) { 1 };
+ v1 = vec_add(v1, v2);"
enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
fi
if enabled vsx; then
check_cflags -mvsx &&
- test_code cc altivec.h "int v[4] = { 0 };
- vector signed int v1 = vec_vsx_ld(0, v);" ||
- disable vsx
+ check_cc vsx altivec.h "int v[4] = { 0 };
+ vector signed int v1 = vec_vsx_ld(0, v);"
fi
if enabled power8; then
fi
-test_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
+check_cc intrinsics_neon arm_neon.h "int16x8_t test = vdupq_n_s16(0)"
check_ldflags -Wl,--as-needed
enabled vaapi && require vaapi va/va.h vaInitialize -lva
-enabled vaapi &&
- test_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
- disable vaapi
-
-enabled vaapi &&
- check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
-
-enabled vaapi &&
- check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
+if enabled vaapi; then
+ require_cc vaapi "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)"
+ check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
+ check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
+fi
enabled vaapi &&
test_cpp_condition "va/va.h" "VA_CHECK_VERSION(1, 0, 0)" &&
check_objcflags -fobjc-arc && enable objc_arc
-test_cc <<EOF && enable blocks_extension
-void (^block)(void);
-EOF
+check_cc blocks_extension "" "void (^block)(void)"
# add some linker flags
check_ldflags -Wl,--warn-common
-Wl,--wrap,sws_scale ||
disable xmm_clobber_test
-test_ld <<EOF && enable proper_dce
+check_ld proper_dce <<EOF
extern const int array[512];
static inline int func(void) { return array[0]; }
int main(void) { return 0; }
if test_ldflags -Wl,${version_script},$TMPV; then
append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
quotes='""'
- test_cc <<EOF && enable symver_asm_label
-void ff_foo(void) __asm__ ("av_foo@VERSION");
-void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
-EOF
- test_cc <<EOF && enable symver_gnu_asm
-__asm__(".symver ff_foo,av_foo@VERSION");
-void ff_foo(void) {}
-EOF
+ check_cc symver_asm_label "" "void ff_foo(void) __asm__ ("av_foo@VERSION");
+ void ff_foo(void) { ${inline_asm+__asm__($quotes);} }"
+ check_cc symver_gnu_asm "" "__asm__(".symver ff_foo,av_foo@VERSION");
+ void ff_foo(void) {}"
fi
fi