[FFmpeg-cvslog] configure: Add check_cpp_condition() helper function to simplify some expressions
Diego Biurrun
git at videolan.org
Sat Mar 17 20:04:22 EET 2018
ffmpeg | branch: master | Diego Biurrun <diego at biurrun.de> | Sat Oct 7 21:20:36 2017 +0200| [83fef16b6a8dbbcbd80d159ba3ebe818dbbb2776] | committer: Diego Biurrun
configure: Add check_cpp_condition() helper function to simplify some expressions
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=83fef16b6a8dbbcbd80d159ba3ebe818dbbb2776
---
configure | 38 ++++++++++++++++++++++++++------------
1 file changed, 26 insertions(+), 12 deletions(-)
diff --git a/configure b/configure
index 784caf85df..9e90ab22c9 100755
--- a/configure
+++ b/configure
@@ -998,6 +998,14 @@ test_cpp_condition(){
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=$1
@@ -1197,6 +1205,14 @@ test_host_cpp_condition(){
EOF
}
+check_host_cpp_condition(){
+ log check_host_cpp_condition "$@"
+ 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)"
@@ -4232,14 +4248,14 @@ elif enabled alpha; then
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 ;;
@@ -4334,7 +4350,7 @@ elif enabled ppc; then
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
@@ -4655,8 +4671,7 @@ enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFil
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
@@ -4696,7 +4711,7 @@ check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
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" ||
@@ -4761,8 +4776,7 @@ enabled vaapi &&
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
@@ -4970,7 +4984,7 @@ elif enabled_any msvc icl; then
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
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