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CMakeLists.txt
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CMakeLists.txt
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#------------------------------------------------------------------------------
# User-settable variables and options.
#
# Note that defaults for cmake builtin variables must be set before calling
# project(), otherwise the cmake-provided defaults will get in first!
set(CMAKE_BUILD_TYPE "Release" CACHE STRING
"Choose the type of build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel."
)
if(NOT WIN32)
set(CMAKE_CXX_FLAGS "-Wall" CACHE STRING "Flags used by the compiler during all build types.")
endif()
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
project(displaz)
cmake_minimum_required(VERSION 3.5)
if (WIN32)
# cmake >= 2.8.10 needs this for Qt5 on Windows
cmake_policy(SET CMP0020 NEW)
endif()
# cmake >= 3.11 prefer GLVND libraries for OpenGL
cmake_policy(SET CMP0072 NEW)
option(DISPLAZ_STATIC "Build against static libraries" FALSE)
option(DISPLAZ_USE_LAS "Build with support for reading las files" TRUE)
option(DISPLAZ_USE_TESTS "Build the test cases" TRUE)
option(DISPLAZ_BUILD_DVOX "Build experimential dvox utility" FALSE)
option(DISPLAZ_EMBED_GLEW "Build GLEW as part of the displaz build process" TRUE)
option(DISPLAZ_GL_CHECK "Enable OpenGL runtime error checking" FALSE)
set(DISPLAZ_EXTERNAL_DIR "${PROJECT_BINARY_DIR}/../build_external/dist"
CACHE PATH "Directory containing installed third party libraries (laslib, ilmbase, ...)")
set(DISPLAZ_BUILD_NUMBER "dev"
CACHE STRING "Build version number suffix for automated builds")
mark_as_advanced(DISPLAZ_BUILD_NUMBER)
#------------------------------------------------------------------------------
list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
# More handy location for intermediate build artifacts
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
if (DISPLAZ_USE_TESTS)
enable_testing()
endif()
#------------------------------------------------------------------------------
# Find third party dependencies
if (EXISTS ${DISPLAZ_EXTERNAL_DIR})
list (APPEND CMAKE_PREFIX_PATH ${DISPLAZ_EXTERNAL_DIR})
else()
message(STATUS "DISPLAZ_EXTERNAL_DIR (= \"${DISPLAZ_EXTERNAL_DIR}\") does not exist. If you would like LASlib and ilmbase to be built for you, please run the cmake build system in thirdparty/external (see build instructions for details)")
endif()
find_package(Imath 1.0.1 REQUIRED)
if (DISPLAZ_USE_LAS)
add_definitions(-DDISPLAZ_USE_LAS)
find_package(LASlib REQUIRED)
include_directories(${LASLIB_INCLUDE_DIRS})
endif()
if (DISPLAZ_EMBED_GLEW)
add_definitions(-DGLEW_STATIC -DGLEW_NO_GLU)
set(GLEW_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/thirdparty/glew)
include_directories(BEFORE ${GLEW_INCLUDE_DIR})
add_library(embeddedGLEW STATIC thirdparty/glew/glew.c)
set(GLEW_LIBRARIES embeddedGLEW)
else()
find_package(GLEW)
endif()
if (DISPLAZ_GL_CHECK)
add_definitions(-DGL_CHECK)
endif()
find_package(OpenGL REQUIRED)
find_package(Qt5Core REQUIRED)
find_package(Qt5Gui REQUIRED)
find_package(Qt5Network REQUIRED)
find_package(Qt5OpenGL REQUIRED)
find_package(Qt5Widgets REQUIRED)
add_definitions(${Qt5Core_DEFINITIONS})
add_definitions(${Qt5Gui_DEFINITIONS})
add_definitions(${Qt5Network_DEFINITIONS})
add_definitions(${Qt5Widgets_DEFINITIONS})
if (NOT WIN32)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${Qt5Core_EXECUTABLE_COMPILE_FLAGS} ${Qt5Gui_EXECUTABLE_COMPILE_FLAGS} ${Qt5Network_EXECUTABLE_COMPILE_FLAGS} ${Qt5OpenGL_EXECUTABLE_COMPILE_FLAGS} ${Qt5Widgets_EXECUTABLE_COMPILE_FLAGS}")
endif()
include_directories(${IMATH_INCLUDE_DIRS})
#------------------------------------------------------------------------------
# Install directory for binaries
# (It would seem sensible to avoid a bin directory on windows, but in practise
# the NSIS installer expects binaries to be there.)
set(DISPLAZ_BIN_DIR "bin")
if (WIN32)
set(DISPLAZ_SHADER_DIR "shaders")
set(DISPLAZ_DOC_DIR "doc")
else()
set(DISPLAZ_SHADER_DIR "share/displaz/shaders")
set(DISPLAZ_DOC_DIR "share/doc/displaz")
endif()
#------------------------------------------------------------------------------
# Determine current displaz version
include(GitUtils)
set(displazVersion "0.3")
if (GIT_FOUND)
git_describe(displazVersionGit)
if (displazVersionGit)
# For better or worse, I've been tagging as v0.1 - strip off the "v"
string(REGEX REPLACE "^v" "" displazVersion "${displazVersionGit}")
endif()
message(STATUS "Building displaz version ${displazVersion}")
else()
message(WARNING "Git not found - assuming hardcoded version ${displazVersion}")
endif()
#------------------------------------------------------------------------------
# Build sources
add_subdirectory(src)
#------------------------------------------------------------------------------
# Create remainder of install tree
install(DIRECTORY test/ DESTINATION "${DISPLAZ_DOC_DIR}/examples")
install(DIRECTORY shaders/ DESTINATION "${DISPLAZ_SHADER_DIR}")
install(DIRECTORY thirdparty/licenses/ DESTINATION "${DISPLAZ_DOC_DIR}/thirdparty_licenses")
#------------------------------------------------------------------------------
# Documentation
find_program(RST2HTML NAMES rst2html rst2html.py)
if (RST2HTML)
set (readmeHtml ${PROJECT_BINARY_DIR}/README.html)
add_custom_command(OUTPUT ${readmeHtml}
COMMAND ${RST2HTML} ${PROJECT_SOURCE_DIR}/README.rst ${readmeHtml}
DEPENDS README.rst
)
set (userguideHtml ${PROJECT_BINARY_DIR}/userguide.html)
add_custom_command(OUTPUT ${userguideHtml}
COMMAND ${RST2HTML} ${PROJECT_SOURCE_DIR}/doc/userguide.rst ${userguideHtml}
DEPENDS doc/userguide.rst
)
add_custom_target(doc ALL DEPENDS ${readmeHtml} ${userguideHtml})
install(FILES ${readmeHtml} ${userguideHtml} DESTINATION "${DISPLAZ_DOC_DIR}")
else()
message(WARNING "rst2html not found - documentation will be installed as text!")
install(FILES README.rst DESTINATION "${DISPLAZ_DOC_DIR}")
install(FILES doc/userguide.rst DESTINATION "${DISPLAZ_DOC_DIR}")
endif()
#------------------------------------------------------------------------------
# Packaging, mostly just for windows at this stage.
# Ensure we can find NSIS.InstallOptions.ini.in
list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/package")
set(CMAKE_INSTALL_SYSTEM_RUNTIME_DESTINATION "${DISPLAZ_BIN_DIR}")
include(InstallRequiredSystemLibraries)
set(CPACK_PACKAGE_NAME "displaz")
set(CPACK_PACKAGE_VENDOR "Displaz Team")
set(CPACK_PACKAGE_VERSION "${displazVersion}+${DISPLAZ_BUILD_NUMBER}")
set(fullVersion "displaz-${displazVersion}")
set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "A viewer for geospatial lidar data")
set(CPACK_PACKAGE_DESCRIPTION_FILE "${PROJECT_SOURCE_DIR}/README.rst")
set(CPACK_RESOURCE_FILE_README "${PROJECT_SOURCE_DIR}/README.rst")
set(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/LICENSE.txt")
set(CPACK_PACKAGE_INSTALL_DIRECTORY "Displaz")
if (WIN32)
# Some paths need at at least one backslash to workaround NSIS bug
set(CPACK_PACKAGE_ICON "${CMAKE_SOURCE_DIR}/package\\\\displaz.ico")
set(CPACK_NSIS_MUI_ICON "${CMAKE_SOURCE_DIR}/package\\\\displaz.ico")
else()
set(CPACK_PACKAGE_ICON "${CMAKE_SOURCE_DIR}/package/displaz.ico")
endif()
set(CPACK_PACKAGE_EXECUTABLES "displaz;Displaz")
set(CPACK_MONOLITHIC_INSTALL TRUE)
if (WIN32)
# NSIS Setup
set(CPACK_GENERATOR NSIS)
set(CPACK_NSIS_MODIFY_PATH TRUE)
set(CPACK_NSIS_EXECUTABLES_DIRECTORY "${DISPLAZ_BIN_DIR}")
set(CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL TRUE)
# Registry guff to set up file associations
set(CPACK_NSIS_DEFINES "
!include ${PROJECT_SOURCE_DIR}\\\\package\\\\FileAssoc.nsh
Var ASSOCIATE_FILES
")
set(CPACK_NSIS_EXTRA_INSTALL_COMMANDS "
!insertmacro MUI_INSTALLOPTIONS_READ \\\$ASSOCIATE_FILES \\\"NSIS.InstallOptions.ini\\\" \\\"Field 6\\\" \\\"State\\\"
StrCmp \\\"$ASSOCIATE_FILES\\\" \\\"0\\\" fileAssocSkip
!insertmacro APP_ASSOCIATE \\\"laz\\\" \\\"${fullVersion}.laz\\\" \\\"Laser point cloud\\\" \\\"\\\$INSTDIR\\\\bin\\\\displaz.exe,0\\\" \\\"Open with displaz\\\" \\\"\\\$INSTDIR\\\\bin\\\\displaz.exe \\\$\\\\\\\"%1\\\$\\\\\\\"\\\"
!insertmacro APP_ASSOCIATE \\\"las\\\" \\\"${fullVersion}.las\\\" \\\"Laser point cloud\\\" \\\"\\\$INSTDIR\\\\bin\\\\displaz.exe,0\\\" \\\"Open with displaz\\\" \\\"\\\$INSTDIR\\\\bin\\\\displaz.exe \\\$\\\\\\\"%1\\\$\\\\\\\"\\\"
!insertmacro UPDATEFILEASSOC
fileAssocSkip:
")
set(CPACK_NSIS_EXTRA_UNINSTALL_COMMANDS "
!insertmacro APP_UNASSOCIATE \\\"laz\\\" \\\"${fullVersion}.laz\\\"
!insertmacro APP_UNASSOCIATE \\\"las\\\" \\\"${fullVersion}.las\\\"
!insertmacro UPDATEFILEASSOC
")
# cpack bug workaround: avoid installing into "C:\Program Files (x86)"
set(CPACK_NSIS_INSTALL_ROOT "C:\\\\Program Files")
else()
set(CPACK_GENERATOR TGZ)
endif()
set(CPACK_STRIP_FILES TRUE)
include(CPack)