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# This is a supplementary file for libVersions module. It forces finding versions of those
# libraries that do not have a detectable version number inside them
# The only way to determine version is by reading the actual source files.
# I do this by checking their md5sum.
# This doesn't work inside docker. Because uname -m returns parent architectuure, not the docker one.
# if(CMAKE_VERSION VERSION_LESS "3.17.0") # https://stackoverflow.com/questions/11944060/how-to-detect-target-architecture-using-cmake
# EXECUTE_PROCESS( COMMAND uname -m COMMAND tr -d '\n' OUTPUT_VARIABLE ARCHITECTURE )
# else() # https://cmake.org/cmake/help/latest/variable/CMAKE_HOST_SYSTEM_PROCESSOR.html - new cmake version calls uname -m natively
# set(ARCHITECTURE CMAKE_HOST_SYSTEM_PROCESSOR)
# endif()
# So let's use dpkg. A very simple and efficient method....
EXECUTE_PROCESS( COMMAND /usr/bin/dpkg --print-architecture COMMAND tr -d '\n' OUTPUT_VARIABLE ARCHITECTURE )
if (NOT ARCHITECTURE) # .... which doesn't work on other linux distributions. So someone might want to fix this later.
# Warning: uname -m doesn't work properly inside i386 docker (but seems to work with ppc64le and aarch64)
EXECUTE_PROCESS( COMMAND /usr/sbin/uname -m COMMAND tr -d '\n' OUTPUT_VARIABLE ARCHITECTURE )
if (NOT ARCHITECTURE)
set(ARCHITECTURE "unknown")
endif()
endif()
message( STATUS "Architecture: ${ARCHITECTURE}" )
##################################################################################
##### Find version of freeglut by reading md5sum of include/GL/freeglut_std.h
##### I have downloaded all available freeglut versions and did on them:
##### find -type f -name "freeglut_std.h" -exec md5sum {} \;
IF(ENABLE_GUI)
FIND_PACKAGE(GLUT)
find_path(FORCE_FREEGLUT_PATH freeglut_std.h ${GLUT_INCLUDE_DIR}/GL "/usr/include/GL")
message(STATUS "Found freeglut: ${FORCE_FREEGLUT_PATH}")
execute_process(COMMAND "/usr/bin/md5sum" "${FORCE_FREEGLUT_PATH}/freeglut_std.h"
RESULT_VARIABLE _FORCE_FREEGLUT_SEARCH_SUCCESS
OUTPUT_VARIABLE _FORCE_FREEGLUT_VALUES
ERROR_VARIABLE _FORCE_FREEGLUT_ERROR_VALUE
OUTPUT_STRIP_TRAILING_WHITESPACE)
separate_arguments(_FORCE_FREEGLUT_VALUES)
# make sure there is anything. In case if freeglut3-dev package is not installed
IF(_FORCE_FREEGLUT_VALUES)
list(GET _FORCE_FREEGLUT_VALUES 0 _FORCE_FREEGLUT_MDSUM)
MESSAGE(STATUS "md5sum of freegult ${FORCE_FREEGLUT_PATH}/freeglut_std.h is: ${_FORCE_FREEGLUT_MDSUM}")
if("${_FORCE_FREEGLUT_MDSUM}" STREQUAL "fce0117bba35ec344ed467bddc4e65e6")
set(FREEGLUT_VERSION_MAJOR 2)
set(FREEGLUT_VERSION_MINOR 6)
set(FREEGLUT_VERSION_PATCH 0)
set(FREEGLUT_VERSION_STR "2.6.0")
elseif("${_FORCE_FREEGLUT_MDSUM}" STREQUAL "2ee37030c339df044b960e22ae55bf61")
set(FREEGLUT_VERSION_MAJOR 2)
set(FREEGLUT_VERSION_MINOR 6)
set(FREEGLUT_VERSION_PATCH 1)
set(FREEGLUT_VERSION_STR "2.6.0rc1")
elseif("${_FORCE_FREEGLUT_MDSUM}" STREQUAL "6470390b023f271342287319770e5f51")
set(FREEGLUT_VERSION_MAJOR 2)
set(FREEGLUT_VERSION_MINOR 8)
set(FREEGLUT_VERSION_PATCH 0)
set(FREEGLUT_VERSION_STR "2.8.0")
elseif("${_FORCE_FREEGLUT_MDSUM}" STREQUAL "791a2febd8584ec530cdd7676191b6d5")
set(FREEGLUT_VERSION_MAJOR 2)
set(FREEGLUT_VERSION_MINOR 8)
set(FREEGLUT_VERSION_PATCH 1)
set(FREEGLUT_VERSION_STR "2.8.1")
elseif("${_FORCE_FREEGLUT_MDSUM}" STREQUAL "5d350938fc0be29757a26e466fff6414")
set(FREEGLUT_VERSION_MAJOR 3)
set(FREEGLUT_VERSION_MINOR 0)
set(FREEGLUT_VERSION_PATCH 0)
set(FREEGLUT_VERSION_STR "3.0.0")
else()
set(FREEGLUT_VERSION_MAJOR -1)
set(FREEGLUT_VERSION_MINOR -1)
set(FREEGLUT_VERSION_PATCH -1)
set(FREEGLUT_VERSION_STR "unknown")
endif()
ADD_DEFINITIONS("-DFREEGLUT_VERSION_MAJOR=${FREEGLUT_VERSION_MAJOR}")
MESSAGE(STATUS "freegult version is ${FREEGLUT_VERSION_STR}")
ENDIF(_FORCE_FREEGLUT_VALUES)
ENDIF(ENABLE_GUI)
## Add below md5sums of other source files if necessary.
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