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# Try to find EGL on a Unix system
#
# This will define:
#
# EGL_FOUND - True if EGL is available
# EGL_LIBRARIES - Link these to use EGL
# EGL_INCLUDE_DIRS - Include directory for EGL
# EGL_DEFINITIONS - Compiler flags for using EGL
#
# Additionally, the following imported targets will be defined:
#
# EGL::EGL
#
# Copyright (c) 2014 Martin Gräßlin <mgraesslin@kde.org>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
if(CMAKE_VERSION VERSION_LESS 2.8.12)
message(FATAL_ERROR "CMake 2.8.12 is required by FindEGL.cmake")
endif()
if(CMAKE_MINIMUM_REQUIRED_VERSION VERSION_LESS 2.8.12)
message(AUTHOR_WARNING "Your project should require at least CMake 2.8.12 to use FindEGL.cmake")
endif()
if(NOT WIN32)
# Use pkg-config to get the directories and then use these values
# in the FIND_PATH() and FIND_LIBRARY() calls
find_package(PkgConfig)
pkg_check_modules(PKG_EGL QUIET ${pkgConfigModules})
set(EGL_DEFINITIONS ${PKG_EGL_CFLAGS_OTHER})
find_path(EGL_INCLUDE_DIR
NAMES
egl.h
HINTS
${PKG_EGL_INCLUDE_DIRS}
PATH_SUFFIXES
EGL
)
find_library(EGL_LIBRARY
NAMES
EGL
HINTS
${PKG_EGL_LIBRARY_DIRS}
)
set(EGL_LIBRARIES ${EGL_LIBRARY})
set(EGL_INCLUDE_DIRS ${EGL_INCLUDE_DIR})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(EGL
FOUND_VAR
EGL_FOUND
REQUIRED_VARS
EGL_LIBRARY
EGL_INCLUDE_DIR
)
if(EGL_FOUND AND NOT TARGET EGL::EGL)
add_library(EGL::EGL UNKNOWN IMPORTED)
set_target_properties(EGL::EGL PROPERTIES
IMPORTED_LOCATION "${EGL_LIBRARY}"
INTERFACE_COMPILE_OPTIONS "${EGL_DEFINITIONS}"
INTERFACE_INCLUDE_DIRECTORIES "${EGL_INCLUDE_DIR}"
)
endif()
else()
message(STATUS "FindEGL.cmake cannot find EGL on Windows systems. Try finding WGL instead.")
set(EGL_FOUND FALSE)
endif()
include(FeatureSummary)
set_package_properties(EGL PROPERTIES
URL "https://www.khronos.org/egl/"
DESCRIPTION "EGL provides a platform-agnostic mechanism for creating rendering surfaces for use with other graphics libraries, such as OpenGL|ES and OpenVG."
)
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