athena/extern/zlib/CMakeLists.txt

49 lines
1.4 KiB
CMake

if (APPLE)
# always use toolchain zlib
set(ZLIB_REQUIRED REQUIRED)
endif ()
find_package(ZLIB ${ZLIB_REQUIRED})
if (ZLIB_FOUND)
add_library(z INTERFACE)
target_link_libraries(z INTERFACE ${ZLIB_LIBRARIES})
target_include_directories(z INTERFACE ${ZLIB_INCLUDE_DIRS})
set(ZLIB_LIBRARIES z CACHE STRING "zlib libraries" FORCE)
set(ATHENA_ZLIB NO CACHE BOOL "Using built-in zlib" FORCE)
else ()
message(STATUS "Using Athena's built-in zlib")
add_library(z
adler32.c
compress.c
crc32.c
deflate.c
infback.c
inffast.c
inflate.c
inftrees.c
trees.c
uncompr.c
zutil.c
include/crc32.h
include/deflate.h
include/gzguts.h
include/inffast.h
include/inffixed.h
include/inflate.h
include/inftrees.h
include/trees.h
include/zconf.h
include/zlib.h
include/zutil.h)
if (WIN32 AND NOT UNIX)
install(FILES include/zconf.h include/zlib.h DESTINATION include COMPONENT zlib)
install(TARGETS z DESTINATION lib COMPONENT zlib)
else ()
target_compile_options(z PRIVATE -Wno-implicit-fallthrough)
endif ()
target_include_directories(z PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:include>)
set(ZLIB_LIBRARIES z CACHE STRING "zlib libraries" FORCE)
set(ATHENA_ZLIB YES CACHE BOOL "Using built-in zlib" FORCE)
endif ()