virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-11-26 19:01:44 +02:00
Code Issues Releases Activity

configure: Add check_cc/require_cc helper functions to simplify some expressions

Browse Source
This commit is contained in:
Diego Biurrun 2017-10-17 03:00:50 +02:00
parent 83fef16b6a
commit 9c37d765ef
1 changed files with 34 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

71
configure vendored
View File

@ -1129,6 +1129,14 @@ check_compile_assert(){
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"
@ -1137,6 +1145,13 @@ require(){
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="$1"
@ -4172,18 +4187,12 @@ extern_prefix=${sym%%ff_extern*}
! 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() {
@ -4334,19 +4343,17 @@ elif enabled ppc; then
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
@ -4427,7 +4434,7 @@ EOF
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
@ -4761,15 +4768,11 @@ EOF
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)" &&
@ -4821,9 +4824,7 @@ check_disable_warning_headers -Wno-unused-variable
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
@ -4877,14 +4878,10 @@ if enabled proper_dce; then
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