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}" = "${hdr}" &&
EOF
}
+check_cpp_condition(){
+ log check_cpp_condition "$@"
+ name=$1
+ shift 1
+ disable $name
+ test_cpp_condition "$@" && enable $name
+}
+
test_cflags_cpp(){
log test_cflags_cpp "$@"
flags=$1
test_code cc "$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="$1"
EOF
}
+check_host_cpp_condition(){
+ log check_host_cpp_condition "$@"
+ name=$1
+ shift 1
+ disable $name
+ test_host_cpp_condition "$@" && enable $name
+}
+
cp_if_changed(){
cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
mkdir -p "$(dirname $2)"
! 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 enabled arm; then
- enabled msvc && test_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
+ enabled msvc && check_cpp_condition thumb stddef.h "defined _M_ARMT"
test_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
enabled thumb && check_cflags -mthumb || check_cflags -marm
- if test_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
- enable vfp_args
- elif test_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
- enable vfp_args
+ if check_cpp_condition vfp_args stddef.h "defined __ARM_PCS_VFP"; then
+ :
+ elif check_cpp_condition vfp_args stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
+ :
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
- test_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
+ check_cpp_condition power8 altivec.h "defined(_ARCH_PWR8)"
fi
elif enabled x86; 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 libwebp && require_pkg_config libwebp libwebp webp/encode.h WebPGetEncoderVersion
enabled libx264 && require_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode &&
require_cpp_condition x264.h "X264_BUILD >= 118" &&
- { test_cpp_condition x264.h "X264_MPEG2" &&
- enable libx262; }
+ check_cpp_condition libx262 x264.h "X264_MPEG2"
enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
require_cpp_condition x265.h "X265_BUILD >= 57"
enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode -lxavs
check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
# w32api 3.12 had it defined wrong
-test_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
+check_cpp_condition vfwcap_defines vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER"
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" ||
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)" &&
enable vaapi_1
enabled vdpau &&
- test_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
- disable vdpau
+ check_cpp_condition vdpau vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP"
enabled vdpau &&
check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
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
disable inline_asm
fi
# msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
- test_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
+ check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12"
# The CRT headers contain __declspec(restrict) in a few places, but if redefining
# restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
# (as it ends up if the restrict redefine is done before including stdlib.h), while
projects / ffmpeg / blobdiff