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Improve FFmpeg cmake file 

* Fix compilation if CUDA_INCLUDE_DIRS is empty/contains multiple paths
* Pass CMAKE_{C,CXX}_COMPILER_LAUNCHER to ffmpeg compiler
This commit is contained in:
Valeri 2022-01-22 12:56:25 +03:00 committed by GitHub
parent 8433edacb3
commit f68be36159
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1 changed files with 8 additions and 3 deletions
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11
externals/ffmpeg/CMakeLists.txt vendored
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@ -95,7 +95,8 @@ if (NOT WIN32)
# ffnvenc could load CUDA libraries at the runtime using dlopen/dlsym or LoadLibrary/GetProcAddress
# here we handle the hard-linking senario where CUDA is linked during compilation
if (CUDA_FOUND)
list(APPEND FFmpeg_HWACCEL_FLAGS --extra-cflags=-I${CUDA_INCLUDE_DIRS})
# This line causes build error if CUDA_INCLUDE_DIRS is anything but a single non-empty value
#list(APPEND FFmpeg_HWACCEL_FLAGS --extra-cflags=-I${CUDA_INCLUDE_DIRS})
list(APPEND FFmpeg_HWACCEL_LIBRARIES ${CUDA_LIBRARIES})
list(APPEND FFmpeg_HWACCEL_INCLUDE_DIRS ${CUDA_INCLUDE_DIRS})
list(APPEND FFmpeg_HWACCEL_LDFLAGS ${CUDA_LDFLAGS})
@ -119,6 +120,8 @@ if (NOT WIN32)
# `configure` parameters builds only exactly what yuzu needs from FFmpeg
# `--disable-vdpau` is needed to avoid linking issues
set(FFmpeg_CC ${CMAKE_C_COMPILER_LAUNCHER} ${CMAKE_C_COMPILER})
set(FFmpeg_CXX ${CMAKE_CXX_COMPILER_LAUNCHER} ${CMAKE_CXX_COMPILER})
add_custom_command(
OUTPUT
${FFmpeg_MAKEFILE}
@ -137,12 +140,14 @@ if (NOT WIN32)
--enable-decoder=h264
--enable-decoder=vp8
--enable-decoder=vp9
--cc="${CMAKE_C_COMPILER}"
--cxx="${CMAKE_CXX_COMPILER}"
--cc="${FFmpeg_CC}"
--cxx="${FFmpeg_CXX}"
${FFmpeg_HWACCEL_FLAGS}
WORKING_DIRECTORY
${FFmpeg_BUILD_DIR}
)
unset(FFmpeg_CC)
unset(FFmpeg_CXX)
unset(FFmpeg_HWACCEL_FLAGS)
# Workaround for Ubuntu 18.04's older version of make not being able to call make as a child