OpenSubdiv/cmake/FindGLEW.cmake

116 lines
3.2 KiB
CMake

#
# Copyright 2013 Pixar
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License
# and the following modification to it: Section 6 Trademarks.
# deleted and replaced with:
#
# 6. Trademarks. This License does not grant permission to use the
# trade names, trademarks, service marks, or product names of the
# Licensor and its affiliates, except as required for reproducing
# the content of the NOTICE file.
#
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
# either express or implied. See the License for the specific
# language governing permissions and limitations under the
# License.
#
# Try to find GLEW library and include path.
# Once done this will define
#
# GLEW_FOUND
# GLEW_INCLUDE_DIR
# GLEW_LIBRARY
#
include(FindPackageHandleStandardArgs)
if (WIN32)
find_path( GLEW_INCLUDE_DIR
NAMES
GL/glew.h
PATHS
${GLEW_LOCATION}/include
$ENV{GLEW_LOCATION}/include
$ENV{PROGRAMFILES}/GLEW/include
${PROJECT_SOURCE_DIR}/extern/glew/include
DOC "The directory where GL/glew.h resides" )
find_library( GLEW_LIBRARY
NAMES
glew GLEW glew32s glew32
PATHS
${GLEW_LOCATION}/lib
$ENV{GLEW_LOCATION}/lib
$ENV{PROGRAMFILES}/GLEW/lib
${PROJECT_SOURCE_DIR}/extern/glew/bin
${PROJECT_SOURCE_DIR}/extern/glew/lib
DOC "The GLEW library")
endif ()
if (${CMAKE_HOST_UNIX})
find_path( GLEW_INCLUDE_DIR
NAMES
GL/glew.h
PATHS
${GLEW_LOCATION}/include
$ENV{GLEW_LOCATION}/include
/usr/include
/usr/local/include
/sw/include
/opt/local/include
NO_DEFAULT_PATH
DOC "The directory where GL/glew.h resides"
)
find_library( GLEW_LIBRARY
NAMES
GLEW glew
PATHS
${GLEW_LOCATION}/lib
$ENV{GLEW_LOCATION}/lib
/usr/lib64
/usr/lib
/usr/local/lib64
/usr/local/lib
/sw/lib
/opt/local/lib
NO_DEFAULT_PATH
DOC "The GLEW library")
endif ()
if (GLEW_INCLUDE_DIR AND EXISTS "${GLEW_INCLUDE_DIR}/GL/glew.h")
file(STRINGS "${GLEW_INCLUDE_DIR}/GL/glew.h" GLEW_4_2 REGEX "^#define GL_VERSION_4_2.*$")
if (GLEW_4_2)
set(OPENGL_4_2_FOUND TRUE)
else ()
message(WARNING
"glew-1.7.0 or newer needed for supporting OpenGL 4.2 dependent features"
)
endif ()
file(STRINGS "${GLEW_INCLUDE_DIR}/GL/glew.h" GLEW_4_3 REGEX "^#define GL_VERSION_4_3.*$")
if (GLEW_4_3)
SET(OPENGL_4_3_FOUND TRUE)
else ()
message(WARNING
"glew-1.9.0 or newer needed for supporting OpenGL 4.3 dependent features"
)
endif ()
endif ()
find_package_handle_standard_args(GLEW
REQUIRED_VARS
GLEW_INCLUDE_DIR
GLEW_LIBRARY
)