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# FindGBM
# ----------
# Finds the GBM library
#
# This will define the following target:
#
# GBM::GBM - The GBM library
if(NOT TARGET GBM::GBM)
find_package(PkgConfig)
if(PKG_CONFIG_FOUND)
pkg_check_modules(PC_GBM gbm QUIET)
endif()
find_path(GBM_INCLUDE_DIR NAMES gbm.h
HINTS ${PC_GBM_INCLUDEDIR}
NO_CACHE)
find_library(GBM_LIBRARY NAMES gbm
HINTS ${PC_GBM_LIBDIR}
NO_CACHE)
set(GBM_VERSION ${PC_GBM_VERSION})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GBM
REQUIRED_VARS GBM_LIBRARY GBM_INCLUDE_DIR
VERSION_VAR GBM_VERSION)
include(CheckCSourceCompiles)
set(CMAKE_REQUIRED_LIBRARIES ${GBM_LIBRARY})
check_c_source_compiles("#include <gbm.h>
int main()
{
gbm_bo_map(NULL, 0, 0, 0, 0, GBM_BO_TRANSFER_WRITE, NULL, NULL);
}
" GBM_HAS_BO_MAP)
check_c_source_compiles("#include <gbm.h>
int main()
{
gbm_surface_create_with_modifiers(NULL, 0, 0, 0, NULL, 0);
}
" GBM_HAS_MODIFIERS)
if(GBM_FOUND)
add_library(GBM::GBM UNKNOWN IMPORTED)
set_target_properties(GBM::GBM PROPERTIES
IMPORTED_LOCATION "${GBM_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${GBM_INCLUDE_DIR}"
INTERFACE_COMPILE_DEFINITIONS "HAVE_GBM=1")
if(GBM_HAS_BO_MAP)
set_property(TARGET GBM::GBM APPEND PROPERTY
INTERFACE_COMPILE_DEFINITIONS HAS_GBM_BO_MAP=1)
endif()
if(GBM_HAS_MODIFIERS)
set_property(TARGET GBM::GBM APPEND PROPERTY
INTERFACE_COMPILE_DEFINITIONS HAS_GBM_MODIFIERS=1)
endif()
set_property(GLOBAL APPEND PROPERTY INTERNAL_DEPS_PROP GBM::GBM)
endif()
endif()
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