externals: allow user to use system lodepng (#7138)

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Castor215 2023-11-08 23:39:24 +00:00 committed by GitHub
parent ee372572a6
commit fcc0fd671a
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3 changed files with 41 additions and 1 deletions

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@ -327,7 +327,13 @@ if (ENABLE_WEB_SERVICE)
endif()
# lodepng
add_subdirectory(lodepng)
if(USE_SYSTEM_LODEPNG)
add_library(lodepng INTERFACE)
find_package(lodepng REQUIRED)
target_link_libraries(lodepng INTERFACE lodepng::lodepng)
else()
add_subdirectory(lodepng)
endif()
# (xperia64): Only use libyuv on Android b/c of build issues on Windows and mandatory JPEG
if(ANDROID)

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@ -21,6 +21,7 @@ option(USE_SYSTEM_ZSTD "Use the system Zstandard library (instead of the bundled
option(USE_SYSTEM_ENET "Use the system libenet (instead of the bundled one)" OFF)
option(USE_SYSTEM_CRYPTOPP "Use the system cryptopp (instead of the bundled one)" OFF)
option(USE_SYSTEM_CUBEB "Use the system cubeb (instead of the bundled one)" OFF)
option(USE_SYSTEM_LODEPNG "Use the system lodepng (instead of the bundled one)" OFF)
# Qt and MoltenVK are handled separately
CMAKE_DEPENDENT_OPTION(DISABLE_SYSTEM_SDL2 "Disable system SDL2" OFF "USE_SYSTEM_LIBS" OFF)
@ -41,6 +42,7 @@ CMAKE_DEPENDENT_OPTION(DISABLE_SYSTEM_ZSTD "Disable system Zstandard" OFF "USE_S
CMAKE_DEPENDENT_OPTION(DISABLE_SYSTEM_ENET "Disable system libenet" OFF "USE_SYSTEM_LIBS" OFF)
CMAKE_DEPENDENT_OPTION(DISABLE_SYSTEM_CRYPTOPP "Disable system cryptopp" OFF "USE_SYSTEM_LIBS" OFF)
CMAKE_DEPENDENT_OPTION(DISABLE_SYSTEM_CUBEB "Disable system cubeb" OFF "USE_SYSTEM_LIBS" OFF)
CMAKE_DEPENDENT_OPTION(DISABLE_SYSTEM_LODEPNG "Disable system lodepng" OFF "USE_SYSTEM_LIBS" OFF)
set(LIB_VAR_LIST
SDL2
@ -61,6 +63,7 @@ set(LIB_VAR_LIST
ENET
CRYPTOPP
CUBEB
LODEPNG
)
# First, check that USE_SYSTEM_XXX is not used with USE_SYSTEM_LIBS

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@ -0,0 +1,31 @@
if(NOT LODEPNG_FOUND)
find_path(LODEPNG_INCLUDE_DIRS NAMES lodepng.h
PATHS
/usr/include
/usr/local/include
)
find_library(LODEPNG_LIBRARY_DIRS NAMES lodepng
PATHS
/usr/lib
/usr/local/lib
)
if(LODEPNG_INCLUDE_DIRS AND LODEPNG_LIBRARY_DIRS)
set(LODEPNG_FOUND TRUE CACHE INTERNAL "Found lodepng")
message(STATUS "Found lodepng: ${LODEPNG_LIBRARY_DIRS}, ${LODEPNG_INCLUDE_DIRS}")
else()
set(LODEPNG_FOUND FALSE CACHE INTERNAL "Found lodepng")
message(STATUS "Lodepng not found.")
endif()
endif()
if(LODEPNG_FOUND AND NOT TARGET lodepng::lodepng)
add_library(lodepng::lodepng UNKNOWN IMPORTED)
set_target_properties(lodepng::lodepng PROPERTIES
INCLUDE_DIRECTORIES ${LODEPNG_INCLUDE_DIRS}
INTERFACE_LINK_LIBRARIES ${LODEPNG_LIBRARY_DIRS}
IMPORTED_LOCATION ${LODEPNG_LIBRARY_DIRS}
)
endif()