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#
# Try to find GLEW library and include path.
# Once done this will define
#
# GLEW_FOUND
# GLEW_INCLUDE_DIR
# GLEW_LIBRARY
#
# a few lines of this file are based on the LGPL code found at
# http://openlibraries.org/browser/trunk/FindGLEW.cmake?rev=1383
if (WIN32 AND MSVC)
if (WIN32_STATIC_BUILD) # passed from caller
set(GLEW_LIB_SEARCH_NAME glew32s.lib) # static, non-debug (Release)
else ()
set(GLEW_LIB_SEARCH_NAME glew32.lib) # other. untested with OpenSCAD
endif()
else () # GCC
set(GLEW_LIB_SEARCH_NAME "libglew32s.a")
endif ()
if (WIN32)
find_path(GLEW_INCLUDE_DIR GL/glew.h
$ENV{PROGRAMFILES}/GLEW/include
${PROJECT_SOURCE_DIR}/src/nvgl/glew/include
DOC "The directory where GL/glew.h resides")
find_library(GLEW_LIBRARY
NAMES ${GLEW_LIB_SEARCH_NAME}
PATHS
$ENV{PROGRAMFILES}/GLEW/lib
${PROJECT_SOURCE_DIR}/src/nvgl/glew/bin
${PROJECT_SOURCE_DIR}/src/nvgl/glew/lib
DOC "The GLEW library")
else()
find_path(GLEW_INCLUDE_DIR GL/glew.h
PATHS /usr/include /usr/local/include /usr/pkg/include
DOC "The directory where GL/glew.h resides")
find_library(GLEW_LIBRARY
NAMES GLEW glew
PATHS /usr/lib /usr/local/lib /usr/pkg/lib /lib /lib64 /usr/lib64
DOC "The GLEW library")
endif()
if ("${GLEW_INCLUDE_DIR}" STREQUAL "" AND "${GLEW_LIBRARY}" STREQUAL "")
set(GLEW_FOUND 0 CACHE STRING "Set to 1 if GLEW is found, 0 otherwise")
else()
set(GLEW_FOUND 1 CACHE STRING "Set to 1 if GLEW is found, 0 otherwise")
endif()
if (NOT GLEW_FOUND)
find_package(PkgConfig REQUIRED)
if (PKG_CONFIG_FOUND)
message(STATUS "Doing pkg config glew check...")
pkg_search_module(GLEW glew)
if (GLEW_FOUND)
set(GLEW_INCLUDE_DIR "${GLEW_INCLUDEDIR}")
set(GLEW_LIBRARY "-L${GLEW_LIBRARY_DIRS} -l${GLEW_LIBRARIES}")
endif()
endif()
endif()
if (NOT GLEW_FOUND)
message(FATAL_ERROR "GLEW not found")
endif()
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