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# FindGBM
# ----------
# Finds the GBM library
#
# This will define the following variables::
#
# GBM_FOUND - system has GBM
# GBM_INCLUDE_DIRS - the GBM include directory
# GBM_LIBRARIES - the GBM libraries
# GBM_DEFINITIONS - the GBM definitions
#
# and the following imported targets::
#
# GBM::GBM - The GBM library
if(PKG_CONFIG_FOUND)
pkg_check_modules(PC_GBM gbm QUIET)
endif()
find_path(GBM_INCLUDE_DIR NAMES gbm.h
PATHS ${PC_GBM_INCLUDEDIR})
find_library(GBM_LIBRARY NAMES gbm
PATHS ${PC_GBM_LIBDIR})
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)
set(GBM_LIBRARIES ${GBM_LIBRARY})
set(GBM_INCLUDE_DIRS ${GBM_INCLUDE_DIR})
set(GBM_DEFINITIONS -DHAVE_GBM=1)
if(GBM_HAS_BO_MAP)
list(APPEND GBM_DEFINITIONS -DHAS_GBM_BO_MAP=1)
endif()
if(GBM_HAS_MODIFIERS)
list(APPEND GBM_DEFINITIONS -DHAS_GBM_MODIFIERS=1)
endif()
if(NOT TARGET GBM::GBM)
add_library(GBM::GBM UNKNOWN IMPORTED)
set_target_properties(GBM::GBM PROPERTIES
IMPORTED_LOCATION "${GBM_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${GBM_INCLUDE_DIR}")
endif()
endif()
mark_as_advanced(GBM_INCLUDE_DIR GBM_LIBRARY)
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