obs-studio/cmake/Modules/FindLibdrm.cmake

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CMake
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# Once done these will be defined:
#
# LIBDRM_FOUND LIBDRM_INCLUDE_DIRS LIBDRM_LIBRARIES
find_package(PkgConfig QUIET)
if(PKG_CONFIG_FOUND)
pkg_check_modules(_LIBDRM QUIET libdrm)
endif()
find_path(
LIBDRM_INCLUDE_DIR
NAMES libdrm/drm_fourcc.h
HINTS ${_LIBDRM_INCLUDE_DIRS}
PATHS /usr/include /usr/local/include /opt/local/include)
find_library(
LIBDRM_LIB
NAMES drm libdrm
HINTS ${_LIBDRM_LIBRARY_DIRS}
PATHS /usr/lib /usr/local/lib /opt/local/lib)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Libdrm DEFAULT_MSG LIBDRM_LIB
LIBDRM_INCLUDE_DIR)
mark_as_advanced(LIBDRM_INCLUDE_DIR LIBDRM_LIB)
if(LIBDRM_FOUND)
set(LIBDRM_INCLUDE_DIRS ${LIBDRM_INCLUDE_DIR})
set(LIBDRM_LIBRARIES ${LIBDRM_LIB})
if(NOT TARGET Libdrm::Libdrm)
add_library(Libdrm::Libdrm INTERFACE IMPORTED)
set_target_properties(
Libdrm::Libdrm PROPERTIES INTERFACE_INCLUDE_DIRECTORIES
"${LIBDRM_INCLUDE_DIRS}")
endif()
endif()