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Fix PNG detection in CMake

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This commit is contained in:
Kornel
2025-06-23 18:05:19 +01:00
parent 9b8d11f05e
commit 0826579077
1 changed files with 35 additions and 29 deletions
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64
CMakeLists.txt
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@@ -790,33 +790,12 @@ endif()
set(CDJPEG_COMPILE_FLAGS
"-DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED -DTARGA_SUPPORTED ${USE_SETMODE}")
set(_RDPNG_SOURCE "") # Initialize _RDPNG_SOURCE
if(PNG_SUPPORTED)
report_option(PNG_SUPPORTED "PNG reading support")
set(COMPILE_FLAGS "${COMPILE_FLAGS} -DPNG_SUPPORTED")
set(CJPEG_BMP_SOURCES ${CJPEG_BMP_SOURCES} rdpng.c)
endif()
set(CDJPEG_COMPILE_FLAGS "${CDJPEG_COMPILE_FLAGS} -DPNG_SUPPORTED")
set(_RDPNG_SOURCE "rdpng.c") # Set rdpng.c source file if PNG support is enabled
if(NOT BUILD_SHARED_LIBS)
# Compile a separate version of these source files with 12-bit and 16-bit
# data precision.
add_library(cjpeg12-static OBJECT rdgif.c rdppm.c)
set_property(TARGET cjpeg12-static PROPERTY COMPILE_FLAGS
"-DBITS_IN_JSAMPLE=12 -DGIF_SUPPORTED -DPPM_SUPPORTED")
add_library(cjpeg16-static OBJECT rdgif.c rdppm.c)
set_property(TARGET cjpeg16-static PROPERTY COMPILE_FLAGS
"-DBITS_IN_JSAMPLE=16 -DGIF_SUPPORTED -DPPM_SUPPORTED")
add_executable(cjpeg-static cjpeg.c cdjpeg.c rdbmp.c rdgif.c rdppm.c
rdjpeg.c
rdswitch.c rdtarga.c $<TARGET_OBJECTS:cjpeg12-static>
$<TARGET_OBJECTS:cjpeg16-static>)
set_property(TARGET cjpeg-static PROPERTY COMPILE_FLAGS
${CDJPEG_COMPILE_FLAGS})
target_link_libraries(cjpeg-static jpeg-static)
if(UNIX)
target_link_libraries(cjpeg-static m)
endif()
if(PNG_SUPPORTED)
# to avoid finding shared library from CMake cache
unset(PNG_LIBRARY CACHE)
unset(PNG_LIBRARY_RELEASE CACHE)
@@ -833,20 +812,40 @@ if(NOT BUILD_SHARED_LIBS)
if (NOT APPLE)
find_package(ZLIB REQUIRED)
endif()
target_include_directories(cjpeg-static PUBLIC ${PNG_INCLUDE_DIR} ${ZLIB_INCLUDE_DIR})
target_link_libraries(cjpeg-static ${PNG_LIBRARY} ${ZLIB_LIBRARY})
endif()
if(NOT BUILD_SHARED_LIBS)
# Compile a separate version of these source files with 12-bit and 16-bit
# data precision.
add_library(cjpeg12-static OBJECT rdgif.c rdppm.c ${_RDPNG_SOURCE})
set_property(TARGET cjpeg12-static PROPERTY COMPILE_FLAGS
"-DBITS_IN_JSAMPLE=12 -DGIF_SUPPORTED -DPPM_SUPPORTED")
add_library(cjpeg16-static OBJECT rdgif.c rdppm.c ${_RDPNG_SOURCE})
set_property(TARGET cjpeg16-static PROPERTY COMPILE_FLAGS
"-DBITS_IN_JSAMPLE=16 -DGIF_SUPPORTED -DPPM_SUPPORTED")
add_executable(cjpeg-static cjpeg.c cdjpeg.c rdbmp.c rdgif.c rdppm.c
rdjpeg.c
rdswitch.c rdtarga.c ${_RDPNG_SOURCE}
$<TARGET_OBJECTS:cjpeg12-static>
$<TARGET_OBJECTS:cjpeg16-static>)
set_property(TARGET cjpeg-static PROPERTY COMPILE_FLAGS
${CDJPEG_COMPILE_FLAGS})
target_link_libraries(cjpeg-static jpeg-static)
if(UNIX)
target_link_libraries(cjpeg-static m)
endif()
# Compile a separate version of these source files with 12-bit and 16-bit
# data precision.
add_library(djpeg12-static OBJECT rdcolmap.c wrgif.c wrppm.c)
add_library(djpeg12-static OBJECT rdcolmap.c wrgif.c wrppm.c ${_RDPNG_SOURCE})
set_property(TARGET djpeg12-static PROPERTY COMPILE_FLAGS
"-DBITS_IN_JSAMPLE=12 -DGIF_SUPPORTED -DPPM_SUPPORTED")
add_library(djpeg16-static OBJECT wrppm.c)
add_library(djpeg16-static OBJECT wrppm.c ${_RDPNG_SOURCE})
set_property(TARGET djpeg16-static PROPERTY COMPILE_FLAGS
"-DBITS_IN_JSAMPLE=16 -DPPM_SUPPORTED")
add_executable(djpeg-static djpeg.c cdjpeg.c rdcolmap.c rdswitch.c wrbmp.c
wrgif.c wrppm.c wrtarga.c $<TARGET_OBJECTS:djpeg12-static>
wrgif.c wrppm.c wrtarga.c ${_RDPNG_SOURCE}
$<TARGET_OBJECTS:djpeg12-static>
$<TARGET_OBJECTS:djpeg16-static>)
set_property(TARGET djpeg-static PROPERTY COMPILE_FLAGS
${CDJPEG_COMPILE_FLAGS})
@@ -855,6 +854,13 @@ if(NOT BUILD_SHARED_LIBS)
target_link_libraries(djpeg-static m)
endif()
if(PNG_SUPPORTED)
target_include_directories(cjpeg-static PUBLIC ${PNG_INCLUDE_DIR} ${ZLIB_INCLUDE_DIR})
target_include_directories(djpeg-static PUBLIC ${PNG_INCLUDE_DIR} ${ZLIB_INCLUDE_DIR})
target_link_libraries(cjpeg-static ${PNG_LIBRARY} ${ZLIB_LIBRARY})
target_link_libraries(djpeg-static ${PNG_LIBRARY} ${ZLIB_LIBRARY})
endif()
add_executable(jpegtran-static jpegtran.c cdjpeg.c rdswitch.c transupp.c)
target_link_libraries(jpegtran-static jpeg-static)
if(UNIX)