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configure: test the metal compiler before use

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Apparently Metal.framework is included with the command line tools
(and thus may be present without Xcode), but the Metal compiler is only
included as part of Xcode.
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rcombs
2021-12-21 02:35:40 -06:00
parent 3767900860
commit 62ad427823
1 changed files with 2 additions and 0 deletions
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2
configure vendored
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@@ -6365,6 +6365,8 @@ enabled videotoolbox && {
check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferTransferFunction_SMPTE_ST_428_1 "-framework CoreVideo"
}
enabled metal && test_cmd $metalcc -v || disable metal
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
check_type "windows.h dxva.h" "DXVA_PicParams_AV1" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0