chdman/cmake_subdirs/zlib/CMakeLists.txt

#zlib
set(zlib_dir ${CMAKE_SOURCE_DIR}/3rdparty/zlib)

if(CMAKE_C_COMPILER_ID STREQUAL "Clang" OR CMAKE_SYSTEM_NAME STREQUAL "Android")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-shift-negative-value")
endif()

if(${CMAKE_GENERATOR} STREQUAL "Unix Makefiles" OR ${CMAKE_GENERATOR} STREQUAL "Ninja")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-strict-prototypes")
endif()

add_compile_definitions(
    ZLIB_CONST
)

add_library(zlib STATIC
    ${zlib_dir}/adler32.c
    ${zlib_dir}/compress.c
    ${zlib_dir}/crc32.c
    ${zlib_dir}/deflate.c
    ${zlib_dir}/inffast.c
    ${zlib_dir}/inflate.c
    ${zlib_dir}/infback.c
    ${zlib_dir}/inftrees.c
    ${zlib_dir}/trees.c
    ${zlib_dir}/uncompr.c
    ${zlib_dir}/zutil.c
)