solvespace/CMakeLists.txt

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# cmake configuration
if(CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
message(FATAL_ERROR
"In-tree builds are not supported; please perform an out-of-tree build:\n"
" rm -rf CMakeCache.txt CMakeFiles/\n"
" mkdir build && cd build && cmake ..")
endif()
cmake_minimum_required(VERSION 3.1.0 FATAL_ERROR)
cmake_policy(VERSION 3.1.0)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH}
"${CMAKE_SOURCE_DIR}/cmake/")
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED YES)
# for /MT on MSVC
set(CMAKE_USER_MAKE_RULES_OVERRIDE
"${CMAKE_SOURCE_DIR}/cmake/c_flag_overrides.cmake")
set(CMAKE_USER_MAKE_RULES_OVERRIDE_CXX
"${CMAKE_SOURCE_DIR}/cmake/cxx_flag_overrides.cmake")
# project
# NOTE TO PACKAGERS: The embedded git commit hash is critical for rapid bug triage when the builds
# can come from a variety of sources. If you are mirroring the sources or otherwise build when
# the .git directory is not present, please comment the following line:
include(GetGitCommitHash)
# and instead uncomment the following, adding the complete git hash of the checkout you are using:
# set(GIT_COMMIT_HASH 0000000000000000000000000000000000000000)
project(solvespace)
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set(solvespace_VERSION_MAJOR 3)
set(solvespace_VERSION_MINOR 0)
string(SUBSTRING "${GIT_COMMIT_HASH}" 0 8 solvespace_GIT_HASH)
set(ENABLE_TESTS ON CACHE BOOL
"Whether the test suite will be built and run")
set(ENABLE_COVERAGE OFF CACHE BOOL
"Whether code coverage information will be collected")
set(ENABLE_SANITIZERS OFF CACHE BOOL
"Whether to enable Clang's AddressSanitizer and UndefinedBehaviorSanitizer")
set(OPENGL 2 CACHE STRING "OpenGL version to use (one of: 1 2)")
if(NOT WIN32 AND NOT APPLE)
set(GUI gtk2 CACHE STRING "GUI toolkit to use (one of: gtk2 gtk3)")
endif()
set(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/bin)
set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/bin)
if(NOT CMAKE_C_COMPILER_ID STREQUAL CMAKE_CXX_COMPILER_ID)
message(FATAL_ERROR "C and C++ compilers should be supplied by the same vendor")
endif()
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
# GCC 4.8/4.9 ship with broken but present <regex>. meh.
message(FATAL_ERROR "GCC 5.0+ is required")
endif()
endif()
# common compiler flags
if(MINGW)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static-libgcc")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static-libgcc -static-libstdc++")
if(TRIPLE STREQUAL "i686-w64-mingw32")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse2")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse2")
endif()
endif()
if(APPLE OR CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Linux" OR CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
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set(CMAKE_EXE_LINKER_FLAGS "-Wl,--as-needed ${CMAKE_EXE_LINKER_FLAGS}")
endif()
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if(ENABLE_SANITIZERS)
if(NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang")
message(FATAL_ERROR "Sanitizers are only available when using Clang/Clang++")
endif()
set(SANITIZE_FLAGS "-O1 -fno-omit-frame-pointer -fno-optimize-sibling-calls")
set(SANITIZE_FLAGS "${SANITIZE_FLAGS} -fsanitize=address,integer")
set(SANITIZE_FLAGS "${SANITIZE_FLAGS} -fno-sanitize-recover=integer")
# We assume IEEE floats, which means DIV/0 is defined; but ubsan doesn't do so by default.
set(SANITIZE_FLAGS "${SANITIZE_FLAGS} -fno-sanitize=float-divide-by-zero")
set(SANITIZE_FLAGS "${SANITIZE_FLAGS} -fno-sanitize=unsigned-integer-overflow")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${SANITIZE_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SANITIZE_FLAGS}")
endif()
# dependencies
message(STATUS "Using in-tree libdxfrw")
add_subdirectory(extlib/libdxfrw)
if(WIN32)
include(FindVendoredPackage)
include(AddVendoredSubdirectory)
find_vendored_package(Freetype freetype
WITH_ZLIB OFF
WITH_BZip2 OFF
WITH_PNG OFF
WITH_HarfBuzz OFF
FREETYPE_LIBRARY freetype
FREETYPE_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extlib/freetype/include)
find_vendored_package(ZLIB zlib
ZLIB_LIBRARY zlibstatic
ZLIB_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/extlib/zlib)
list(APPEND ZLIB_INCLUDE_DIR ${CMAKE_BINARY_DIR}/extlib/zlib)
find_vendored_package(PNG libpng
SKIP_INSTALL_ALL ON
PNG_LIBRARY png16_static
PNG_PNG_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/extlib/libpng)
list(APPEND PNG_PNG_INCLUDE_DIR ${CMAKE_BINARY_DIR}/extlib/libpng)
if(OPENGL STREQUAL "2")
message(STATUS "Using in-tree ANGLE")
set(ANGLE_STATIC ON CACHE INTERNAL "")
set(ANGLE_ENABLE_D3D9 ON CACHE INTERNAL "")
set(ANGLE_ENABLE_D3D11 ON CACHE INTERNAL "")
set(ANGLE_ENABLE_OPENGL OFF CACHE INTERNAL "")
set(ANGLE_ENABLE_ESSL OFF CACHE INTERNAL "")
set(ANGLE_ENABLE_GLSL OFF CACHE INTERNAL "")
set(ANGLE_ENABLE_HLSL ON CACHE INTERNAL "")
add_vendored_subdirectory(extlib/angle)
set(OPENGL_LIBRARIES EGL GLESv2)
set(OPENGL_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/extlib/angle/include)
else()
find_package(OpenGL REQUIRED)
endif()
if(ENABLE_TESTS)
message(STATUS "Using in-tree pixman")
add_vendored_subdirectory(extlib/pixman)
set(PIXMAN_FOUND YES)
set(PIXMAN_LIBRARY pixman)
set(PIXMAN_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extlib/pixman/pixman)
list(APPEND PIXMAN_INCLUDE_DIRS ${CMAKE_BINARY_DIR}/extlib/pixman/pixman)
message(STATUS "Using in-tree cairo")
add_vendored_subdirectory(extlib/cairo)
set(CAIRO_FOUND YES)
set(CAIRO_LIBRARIES cairo)
set(CAIRO_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extlib/cairo/src)
list(APPEND CAIRO_INCLUDE_DIRS ${CMAKE_BINARY_DIR}/extlib/cairo/src)
endif()
if(NOT MINGW)
message(STATUS "Using prebuilt SpaceWare")
set(SPACEWARE_FOUND TRUE)
set(SPACEWARE_INCLUDE_DIR
"${CMAKE_SOURCE_DIR}/extlib/si")
set(SPACEWARE_LIBRARIES
"${CMAKE_SOURCE_DIR}/extlib/si/siapp.lib")
endif()
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elseif(APPLE)
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set(CMAKE_FIND_FRAMEWORK LAST)
find_package(ZLIB REQUIRED)
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find_package(PNG REQUIRED)
find_package(Freetype REQUIRED)
find_package(OpenGL REQUIRED)
if(ENABLE_TESTS)
find_library(CAIRO_LIBRARIES cairo REQUIRED)
find_path(CAIRO_INCLUDE_DIRS cairo.h PATH_SUFFIXES cairo)
endif()
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find_library(APPKIT_LIBRARY AppKit REQUIRED)
else() # Linux and compatible systems
find_package(PkgConfig REQUIRED)
find_package(Backtrace)
find_package(SpaceWare)
find_package(ZLIB REQUIRED)
find_package(PNG REQUIRED)
find_package(Freetype REQUIRED)
find_package(OpenGL REQUIRED)
if(ENABLE_TESTS)
pkg_check_modules(CAIRO REQUIRED cairo)
endif()
pkg_check_modules(FONTCONFIG REQUIRED fontconfig)
pkg_check_modules(JSONC REQUIRED json-c)
pkg_check_modules(FREETYPE REQUIRED freetype2)
if(GUI STREQUAL "gtk3")
set(HAVE_GTK3 TRUE)
pkg_check_modules(GTKMM REQUIRED gtkmm-3.0 pangomm-1.4 x11)
elseif(GUI STREQUAL "gtk2")
set(HAVE_GTK2 TRUE)
pkg_check_modules(GTKMM REQUIRED gtkmm-2.4 pangomm-1.4 x11)
else()
message(FATAL_ERROR "GUI unrecognized: ${GUI}")
endif()
endif()
if(ENABLE_COVERAGE)
if(CMAKE_CXX_COMPILER_ID STREQUAL GNU)
find_program(GCOV gcov)
elseif(CMAKE_CXX_COMPILER_ID MATCHES Clang)
find_program(LLVM_COV llvm-cov)
if(LLVM_COV)
set(GCOV ${CMAKE_CURRENT_BINARY_DIR}/llvm-gcov.sh)
file(WRITE ${GCOV} "#!/bin/sh -e\n${LLVM_COV} gcov $*")
execute_process(COMMAND chmod +x ${GCOV})
endif()
endif()
find_program(LCOV lcov)
find_program(GENHTML genhtml)
if(NOT GCOV OR NOT LCOV OR NOT GENHTML)
message(FATAL_ERROR "gcov/llvm-cov and lcov are required for producing coverage reports")
endif()
endif()
# solvespace-only compiler flags
if(WIN32)
add_definitions(
-D_CRT_SECURE_NO_DEPRECATE
-D_CRT_SECURE_NO_WARNINGS
-D_SCL_SECURE_NO_WARNINGS
-D_WIN32_WINNT=0x500
-D_WIN32_IE=_WIN32_WINNT
-DISOLATION_AWARE_ENABLED
-DWIN32
-DWIN32_LEAN_AND_MEAN
-DUNICODE
-D_UNICODE
-DNOMINMAX
-D_USE_MATH_DEFINES)
endif()
if(MSVC)
# Many versions of MSVC do not have the (C99) inline keyword, instead
# they have their own __inline; this breaks `static inline` functions.
# We do not want to care and so we fix this with a definition.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Dinline=__inline")
# Same for the (C99) __func__ special variable; we use it only in C++ code.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /D__func__=__FUNCTION__")
# We rely on these /we flags. They correspond to the GNU-style flags below as
# follows: /w4062=-Wswitch
set(WARNING_FLAGS "${WARNING_FLAGS} /we4062")
endif()
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(WARNING_FLAGS "-Wall -Wextra -Wno-unused-parameter")
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(WARNING_FLAGS "${WARNING_FLAGS} -Wfloat-conversion")
endif()
# We rely on these -Werror flags.
set(WARNING_FLAGS "${WARNING_FLAGS} -Werror=switch")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS}")
if(WIN32)
set(CMAKE_RC_FLAGS "${CMAKE_RC_FLAGS} -l0")
endif()
if(ENABLE_COVERAGE)
if(NOT (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR
CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
message(FATAL_ERROR "Code coverage is only available on GCC and Clang")
endif()
if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
message(FATAL_ERROR "Code coverage produces reliable results only on Debug builds")
endif()
# With -fexceptions, every call becomes a branch. While technically accurate,
# this is not useful for us.
set(COVERAGE_FLAGS -fno-exceptions --coverage)
set(COVERAGE_LIBRARY --coverage)
endif()
# components
Implement a resource system. Currently, icons, fonts, etc are converted to C structures at compile time and are hardcoded to the binary. This presents several problems: * Cross-compilation is complicated. Right now, it is necessary to be able to run executables for the target platform; this happens to work with wine-binfmt installed, but is rather ugly. * Icons can only have one resolution. On OS X, modern software is expected to take advantage of high-DPI ("Retina") screens and use so-called @2x assets when ran in high-DPI mode. * Localization is complicated. Win32 and OS X provide built-in support for loading the resource appropriate for the user's locale. * Embedding strings can only be done as raw strings, using C++'s R"(...)" literals. This precludes embedding sizable strings, e.g. JavaScript libraries as used in Three.js export, and makes git history less useful. Not embedding the libraries means we have to rely on external CDNs, which requires an Internet connection and adds a glaring point of failure. * Linux distribution guidelines are violated. All architecture- independent data, especially large data such as fonts, is expected to be in /usr/share, not in the binary. * Customization is impossible without recompilation. Minor modifications like adding a few missing vector font characters or adjusting localization require a complete development environment, which is unreasonable to expect from users of a mechanical CAD. As such, this commit adds a resource system that bundles (and sometimes builds) resources with the executable. Where they go is platform-dependent: * on Win32: into resources of the executable, which allows us to keep distributing one file; * on OS X: into the app bundle; * on other *nix: into /usr/share/solvespace/ or ../res/ (relative to the executable path), the latter allowing us to run freshly built executables without installation. It also subsides the platform-specific resources that are in src/. The resource system is not yet used for anything; this will be added in later commits.
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add_subdirectory(res)
add_subdirectory(src)
add_subdirectory(exposed)
if(ENABLE_TESTS)
add_subdirectory(test)
endif()
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if(CMAKE_BUILD_TYPE STREQUAL "Release" OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
add_subdirectory(bench)
else()
message(STATUS "Benchmarking disabled in debug builds.")
endif()