ddnet/cmake/FindPnglite.cmake
heinrich5991 94818ec1f0 Try to find external GLEW, pnglite and Wavpack
Allow for newer versions of Wavpack, fixes #1023.

Fixes #1016.
2018-02-12 23:29:45 +01:00

47 lines
1.4 KiB
CMake

if(NOT PREFER_BUNDLED_LIBS)
if(NOT CMAKE_CROSSCOMPILING)
find_package(PkgConfig QUIET)
pkg_check_modules(PC_PNGLITE pnglite)
endif()
find_library(PNGLITE_LIBRARY
NAMES pnglite
HINTS ${PC_PNGLITE_LIBDIR} ${PC_PNGLITE_LIBRARY_DIRS}
${CROSSCOMPILING_NO_CMAKE_SYSTEM_PATH}
)
find_path(PNGLITE_INCLUDEDIR
NAMES pnglite.h
HINTS ${PC_PNGLITE_INCLUDEDIR} ${PC_PNGLITE_INCLUDE_DIRS}
${CROSSCOMPILING_NO_CMAKE_SYSTEM_PATH}
)
mark_as_advanced(PNGLITE_LIBRARY PNGLITE_INCLUDEDIR)
if(PNGLITE_LIBRARY AND PNGLITE_INCLUDEDIR)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Pnglite DEFAULT_MSG PNGLITE_LIBRARY PNGLITE_INCLUDEDIR)
set(PNGLITE_LIBRARIES ${PNGLITE_LIBRARY})
set(PNGLITE_INCLUDE_DIRS ${PNGLITE_INCLUDEDIR})
set(PNGLITE_BUNDLED OFF)
endif()
endif()
if(NOT PNGLITE_FOUND)
set(PNGLITE_SRC_DIR src/engine/external/pnglite)
set_glob(PNGLITE_SRC GLOB ${PNGLITE_SRC_DIR} pnglite.c pnglite.h)
add_library(pnglite EXCLUDE_FROM_ALL OBJECT ${PNGLITE_SRC})
list(APPEND TARGETS_DEP pnglite)
set(PNGLITE_INCLUDEDIR ${PNGLITE_SRC_DIR})
target_include_directories(pnglite PRIVATE ${ZLIB_INCLUDE_DIRS})
set(PNGLITE_DEP $<TARGET_OBJECTS:pnglite>)
set(PNGLITE_INCLUDE_DIRS ${PNGLITE_INCLUDEDIR})
set(PNGLITE_LIBRARIES)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Pnglite DEFAULT_MSG PNGLITE_INCLUDEDIR)
set(PNGLITE_BUNDLED ON)
endif()