Hash :
17df25f9
Author :
Date :
2024-01-25T13:52:58
Build/Win: Eliminate MSVC run-time DLL dependency (regression introduced by 1644bdb7d2fac66cd0ce25adef7754e008b5bc1e) Setting a maximum version in cmake_minimum_required() effectively sets the behavior to NEW for all policies introduced in all CMake versions up to and including that maximum version. The NEW behavior for CMP0091, introduced in CMake 3.15, uses CMake variables to specify the MSVC runtime library against which to link, rather than placing the relevant flags in CMAKE_C_FLAGS*. Thus, replacing /MD with /MT in CMAKE_C_FLAGS* no longer has any effect when using CMake 3.15+.
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# Anything that must be linked against the shared C library on Windows must
# be built in this subdirectory, because CMake doesn't allow us to override
# the compiler flags for each build type except at directory scope. Note
# to CMake developers: Add a COMPILE_FLAGS_<CONFIG> target property, or
# better yet, provide a friendly way of configuring a Windows target to use the
# static C library.
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/..)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/..)
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/..)
if(MSVC)
# Build all configurations against shared C library
if(CMAKE_VERSION VERSION_EQUAL "3.15" OR
CMAKE_VERSION VERSION_GREATER "3.15")
if(CMAKE_BUILD_TYPE_UC STREQUAL "DEBUG")
set(CMAKE_MSVC_RUNTIME_LIBRARY MultiThreadedDebugDLL)
else()
set(CMAKE_MSVC_RUNTIME_LIBRARY MultiThreadedDLL)
endif()
else()
foreach(var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
if(${var} MATCHES "/MT")
string(REGEX REPLACE "/MT" "/MD" ${var} "${${var}}")
endif()
endforeach()
endif()
endif()
foreach(src ${JPEG_SOURCES})
set(JPEG_SRCS ${JPEG_SRCS} ../${src})
endforeach()
if(WITH_SIMD AND (MSVC_IDE OR XCODE))
# This tells CMake that the "source" files haven't been generated yet
set_source_files_properties(${SIMD_OBJS} PROPERTIES GENERATED 1)
endif()
if(WIN32)
set(DEFFILE ../win/jpeg${SO_MAJOR_VERSION}.def)
endif()
if(MSVC)
configure_file(${CMAKE_SOURCE_DIR}/win/jpeg.rc.in
${CMAKE_BINARY_DIR}/win/jpeg.rc)
set(JPEG_SRCS ${JPEG_SRCS} ${CMAKE_BINARY_DIR}/win/jpeg.rc)
endif()
add_library(jpeg SHARED ${JPEG_SRCS} ${DEFFILE} ${SIMD_TARGET_OBJECTS}
${SIMD_OBJS} $<TARGET_OBJECTS:jpeg12> $<TARGET_OBJECTS:jpeg16>)
set_target_properties(jpeg PROPERTIES SOVERSION ${SO_MAJOR_VERSION}
VERSION ${SO_MAJOR_VERSION}.${SO_AGE}.${SO_MINOR_VERSION})
if(APPLE AND (NOT CMAKE_OSX_DEPLOYMENT_TARGET OR
CMAKE_OSX_DEPLOYMENT_TARGET VERSION_GREATER 10.4))
if(NOT CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG)
set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,")
endif()
set_target_properties(jpeg PROPERTIES MACOSX_RPATH 1)
endif()
if(MAPFLAG)
set_target_properties(jpeg PROPERTIES
LINK_FLAGS "${MAPFLAG}${CMAKE_CURRENT_BINARY_DIR}/../libjpeg.map")
endif()
if(MSVC)
set_target_properties(jpeg PROPERTIES
RUNTIME_OUTPUT_NAME jpeg${SO_MAJOR_VERSION})
# The jsimd_*.c file is built using /MT, so this prevents a linker warning.
set_target_properties(jpeg PROPERTIES LINK_FLAGS
"/NODEFAULTLIB:LIBCMT /NODEFAULTLIB:LIBCMTD")
elseif(MINGW)
set_target_properties(jpeg PROPERTIES SUFFIX -${SO_MAJOR_VERSION}.dll)
endif()
if(WIN32)
set(USE_SETMODE "-DUSE_SETMODE")
endif()
set(CDJPEG_COMPILE_FLAGS
"-DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED -DTARGA_SUPPORTED ${USE_SETMODE}")
# Compile a separate version of these source files with 12-bit and 16-bit data
# precision.
add_library(cjpeg12 OBJECT ../rdgif.c ../rdppm.c)
set_property(TARGET cjpeg12 PROPERTY COMPILE_FLAGS
"-DBITS_IN_JSAMPLE=12 -DGIF_SUPPORTED -DPPM_SUPPORTED")
add_library(cjpeg16 OBJECT ../rdgif.c ../rdppm.c)
set_property(TARGET cjpeg16 PROPERTY COMPILE_FLAGS
"-DBITS_IN_JSAMPLE=16 -DGIF_SUPPORTED -DPPM_SUPPORTED")
add_executable(cjpeg ../cjpeg.c ../cdjpeg.c ../rdbmp.c ../rdgif.c ../rdppm.c
../rdswitch.c ../rdtarga.c $<TARGET_OBJECTS:cjpeg12>
$<TARGET_OBJECTS:cjpeg16>)
set_property(TARGET cjpeg PROPERTY COMPILE_FLAGS ${CDJPEG_COMPILE_FLAGS})
target_link_libraries(cjpeg jpeg)
# Compile a separate version of these source files with 12-bit and 16-bit data
# precision.
add_library(djpeg12 OBJECT ../rdcolmap.c ../wrgif.c ../wrppm.c)
set_property(TARGET djpeg12 PROPERTY COMPILE_FLAGS
"-DBITS_IN_JSAMPLE=12 -DGIF_SUPPORTED -DPPM_SUPPORTED")
add_library(djpeg16 OBJECT ../wrppm.c)
set_property(TARGET djpeg16 PROPERTY COMPILE_FLAGS
"-DBITS_IN_JSAMPLE=16 -DPPM_SUPPORTED")
add_executable(djpeg ../djpeg.c ../cdjpeg.c ../rdcolmap.c ../rdswitch.c
../wrbmp.c ../wrgif.c ../wrppm.c ../wrtarga.c $<TARGET_OBJECTS:djpeg12>
$<TARGET_OBJECTS:djpeg16>)
set_property(TARGET djpeg PROPERTY COMPILE_FLAGS ${CDJPEG_COMPILE_FLAGS})
target_link_libraries(djpeg jpeg)
add_executable(jpegtran ../jpegtran.c ../cdjpeg.c ../rdswitch.c ../transupp.c)
target_link_libraries(jpegtran jpeg)
set_property(TARGET jpegtran PROPERTY COMPILE_FLAGS "${USE_SETMODE}")
add_executable(example ../example.c)
target_link_libraries(example jpeg)
add_executable(jcstest ../jcstest.c)
target_link_libraries(jcstest jpeg)
install(TARGETS jpeg EXPORT ${CMAKE_PROJECT_NAME}Targets
INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
install(TARGETS cjpeg djpeg jpegtran
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
if(NOT CMAKE_VERSION VERSION_LESS "3.1" AND MSVC AND
CMAKE_C_LINKER_SUPPORTS_PDB)
install(FILES "$<TARGET_PDB_FILE:jpeg>"
DESTINATION ${CMAKE_INSTALL_BINDIR} OPTIONAL)
endif()