Move code for Clang to separate CMake module.
#
# Try to find GLEW library and include path.
# Once done this will define
#
# GLEW_FOUND
# GLEW_INCLUDE_PATH
# GLEW_LIBRARY
#
if (GLEW_LIBRARY AND GLEW_INCLUDE_PATH)
# in cache already
set(GLEW_FOUND TRUE)
else (GLEW_LIBRARY AND GLEW_INCLUDE_PATH)
IF (WIN32)
FIND_PATH( GLEW_INCLUDE_PATH 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 GLEW glew32 glew32s
PATHS
$ENV{PROGRAMFILES}/GLEW/lib
${PROJECT_SOURCE_DIR}/src/nvgl/glew/bin
${PROJECT_SOURCE_DIR}/src/nvgl/glew/lib
DOC "The GLEW library")
ELSE (WIN32)
FIND_PATH( GLEW_INCLUDE_PATH GL/glew.h
/usr/include
/usr/local/include
/sw/include
/opt/local/include
DOC "The directory where GL/glew.h resides")
FIND_LIBRARY( GLEW_LIBRARY
NAMES GLEW glew
PATHS
/usr/lib64
/usr/lib
/usr/local/lib64
/usr/local/lib
/sw/lib
/opt/local/lib
DOC "The GLEW library")
ENDIF (WIN32)
IF (GLEW_LIBRARY AND GLEW_INCLUDE_PATH)
SET( GLEW_FOUND 1 CACHE STRING "Set to 1 if GLEW is found, 0 otherwise")
ELSE (GLEW_LIBRARY AND GLEW_INCLUDE_PATH)
SET( GLEW_FOUND 0 CACHE STRING "Set to 1 if GLEW is found, 0 otherwise")
ENDIF (GLEW_LIBRARY AND GLEW_INCLUDE_PATH)
endif(GLEW_LIBRARY AND GLEW_INCLUDE_PATH)
if (GLEW_FOUND)
if (NOT GLEW_FIND_QUIETLY)
message(STATUS "Found GLEW: ${GLEW_LIBRARY}, ${GLEW_INCLUDE_PATH}")
endif (NOT GLEW_FIND_QUIETLY)
else (GLEW_FOUND)
if (GLEW_FIND_REQUIRED)
message(FATAL_ERROR "Could NOT find GLEW")
endif (GLEW_FIND_REQUIRED)
endif (GLEW_FOUND)
#MARK_AS_ADVANCED( GLEW_FOUND )