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#.rst:
# FindLibDRM
# ----------
# Finds the LibDRM library
#
# This will define the following variables::
#
# LIBDRM_FOUND - system has LibDRM
# LIBDRM_INCLUDE_DIRS - the LibDRM include directory
# LIBDRM_LIBRARIES - the LibDRM libraries
# LIBDRM_DEFINITIONS - the LibDRM definitions
#
# and the following imported targets::
#
# LibDRM::LibDRM - The LibDRM library
if(PKG_CONFIG_FOUND)
pkg_check_modules(PC_LIBDRM libdrm>=2.4.95 QUIET)
endif()
find_path(LIBDRM_INCLUDE_DIR NAMES drm.h
PATH_SUFFIXES libdrm drm
PATHS ${PC_LIBDRM_INCLUDEDIR})
find_library(LIBDRM_LIBRARY NAMES drm
PATHS ${PC_LIBDRM_LIBDIR})
set(LIBDRM_VERSION ${PC_LIBDRM_VERSION})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(LibDRM
REQUIRED_VARS LIBDRM_LIBRARY LIBDRM_INCLUDE_DIR
VERSION_VAR LIBDRM_VERSION)
include(CheckCSourceCompiles)
set(CMAKE_REQUIRED_INCLUDES ${LIBDRM_INCLUDE_DIR})
check_c_source_compiles("#include <drm_mode.h>
int main()
{
struct hdr_output_metadata test;
return test.metadata_type;
}
" LIBDRM_HAS_HDR_OUTPUT_METADATA)
include(CheckSymbolExists)
set(CMAKE_REQUIRED_LIBRARIES ${LIBDRM_LIBRARY})
check_symbol_exists(drmGetFormatModifierName xf86drm.h LIBDRM_HAS_MODIFIER_NAME)
if(LIBDRM_FOUND)
set(LIBDRM_LIBRARIES ${LIBDRM_LIBRARY})
set(LIBDRM_INCLUDE_DIRS ${LIBDRM_INCLUDE_DIR})
if(LIBDRM_HAS_HDR_OUTPUT_METADATA)
set(LIBDRM_DEFINITIONS -DHAVE_HDR_OUTPUT_METADATA=1)
endif()
if(LIBDRM_HAS_MODIFIER_NAME)
list(APPEND LIBDRM_DEFINITIONS -DHAVE_DRM_MODIFIER_NAME=1)
endif()
if(NOT TARGET LIBDRM::LIBDRM)
add_library(LIBDRM::LIBDRM UNKNOWN IMPORTED)
set_target_properties(LIBDRM::LIBDRM PROPERTIES
IMPORTED_LOCATION "${LIBDRM_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${LIBDRM_INCLUDE_DIR}")
endif()
endif()
mark_as_advanced(LIBDRM_INCLUDE_DIR LIBDRM_LIBRARY)
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