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# cmake configuration

cmake_minimum_required(VERSION 3.9...3.19)

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()

list(APPEND 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")

if(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")

endif()

if (APPLE)

# Docs say this must be set before the first project() call

set(CMAKE_OSX_DEPLOYMENT_TARGET "10.12" CACHE STRING "macOS minimum supported version")

endif()

# 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)

string(SUBSTRING "${GIT_COMMIT_HASH}" 0 8 solvespace_GIT_HASH)

project(solvespace

VERSION 3.1

LANGUAGES C CXX ASM)

set(ENABLE_GUI ON CACHE BOOL

"Whether the graphical interface is enabled")

set(ENABLE_CLI ON CACHE BOOL

"Whether the command line interface is enabled")

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(ENABLE_OPENMP OFF CACHE BOOL

"Whether geometric operations will be parallelized using OpenMP")

set(ENABLE_LTO OFF CACHE BOOL

"Whether interprocedural (global) optimizations are enabled")

option(FORCE_VENDORED_Eigen3

"Whether we should use our bundled Eigen even in the presence of a system copy"

OFF)

set(OPENGL 3 CACHE STRING "OpenGL version to use (one of: 1 3)")

set(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/bin)

set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/bin)

if("${CMAKE_GENERATOR}" STREQUAL "Xcode")

set(CMAKE_RUNTIME_OUTPUT_DIRECTORY $<1:${CMAKE_BINARY_DIR}/bin>)

endif()

if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")

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()

# common compiler flags

include(CheckCXXCompilerFlag)

if (NOT APPLE)

set(FILE_PREFIX_MAP "-ffile-prefix-map=${CMAKE_CURRENT_SOURCE_DIR}=.")

check_cxx_compiler_flag("${FILE_PREFIX_MAP}" HAS_FILE_PREFIX_MAP)

if(HAS_FILE_PREFIX_MAP)

set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${FILE_PREFIX_MAP}")

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FILE_PREFIX_MAP}")

endif()

if(MINGW)

set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static-libgcc")

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static-libgcc -static-libstdc++")

# Link 32 bit SolveSpace with --large-address-aware which allows it to access

# up to 3GB on a properly configured 32 bit Windows and up to 4GB on 64 bit.

# See https://msdn.microsoft.com/en-us/library/aa366778

set(CMAKE_EXE_LINKER_FLAGS "-Wl,--large-address-aware")

endif()

# Ensure that all platforms use 64-bit IEEE floating point operations for consistency;

# this is most important for the testsuite, which compares savefiles directly

# and depends on consistent rounding of intermediate results.

if(CMAKE_SYSTEM_PROCESSOR STREQUAL "i686" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "X86")

if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")

set(FLOAT_FLAGS "-mfpmath=sse -msse2")

elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")

set(FLOAT_FLAGS "-msse2")

endif()

set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${FLOAT_FLAGS}")

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLOAT_FLAGS}")

endif()

if(ENABLE_LTO)

include(CheckIPOSupported)

check_ipo_supported()

set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)

endif()

if(ENABLE_OPENMP)

find_package( OpenMP REQUIRED )

if(OPENMP_FOUND)

add_library(slvs_openmp INTERFACE)

target_compile_options(slvs_openmp INTERFACE ${OpenMP_CXX_FLAGS})

target_link_libraries(slvs_openmp INTERFACE

${OpenMP_CXX_LIBRARIES})

target_include_directories(slvs_openmp INTERFACE SYSTEM

${OpenMP_CXX_INCLUDE_DIRS})

message(STATUS "found OpenMP, compiling with flags: " ${OpenMP_CXX_FLAGS} )

endif()

if(CMAKE_SYSTEM_NAME STREQUAL "Linux" OR CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")

set(CMAKE_EXE_LINKER_FLAGS "-Wl,--as-needed ${CMAKE_EXE_LINKER_FLAGS}")

endif()

if(ENABLE_SANITIZERS)

if(NOT SANITIZERS)

set(SANITIZERS "address;undefined")

endif()

if("thread" IN_LIST SANITIZERS)

list(REMOVE_ITEM SANITIZERS "thread")

list(APPEND SANITIZE_OPTIONS thread)

endif()

if("address" IN_LIST SANITIZERS)

list(REMOVE_ITEM SANITIZERS "address")

list(APPEND SANITIZE_OPTIONS address)

endif()

if("undefined" IN_LIST SANITIZERS)

list(REMOVE_ITEM SANITIZERS "undefined")

list(APPEND SANITIZE_OPTIONS alignment bounds)

list(APPEND SANITIZE_OPTIONS shift signed-integer-overflow integer-divide-by-zero)

list(APPEND SANITIZE_OPTIONS null bool enum)

list(APPEND SANITIZE_OPTIONS return)

endif()

if(SANITIZERS)

message(FATAL_ERROR "Unknown sanitizer(s) ${SANITIZERS}")

else()

message(STATUS "Using sanitizer options ${SANITIZE_OPTIONS}")

endif()

string(REPLACE ";" "," SANITIZE_OPTIONS "${SANITIZE_OPTIONS}")

if (NOT APPLE)

set(SANITIZE_FLAGS "-O1 -fsanitize=${SANITIZE_OPTIONS} -fno-sanitize-recover=address,undefined")

else()

set(SANITIZE_FLAGS "-O1 -fsanitize=${SANITIZE_OPTIONS}")

endif()

if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")

set(SANITIZE_FLAGS "${SANITIZE_FLAGS} -fno-omit-frame-pointer -fno-optimize-sibling-calls")

elseif(CMAKE_CXX_COMPILER_ID MATCHES "GNU")

set(SANITIZE_FLAGS "${SANITIZE_FLAGS} -fuse-ld=gold")

else()

message(FATAL_ERROR "Sanitizers are only available when using GCC or Clang")

endif()

set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${SANITIZE_FLAGS}")

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SANITIZE_FLAGS}")

endif()

# common dependencies

if(APPLE)

set(CMAKE_FIND_FRAMEWORK LAST)

endif()

if(EMSCRIPTEN)

set(M_LIBRARY "" CACHE STRING "libm (not necessary)" FORCE)

endif()

message(STATUS "Using in-tree libdxfrw")

add_subdirectory(extlib/libdxfrw)

message(STATUS "Using in-tree mimalloc")

set(MI_OVERRIDE OFF CACHE BOOL "")

set(MI_BUILD_SHARED OFF CACHE BOOL "")

set(MI_BUILD_OBJECT OFF CACHE BOOL "")

set(MI_BUILD_TESTS OFF CACHE BOOL "")

add_subdirectory(extlib/mimalloc EXCLUDE_FROM_ALL)

set(MIMALLOC_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/extlib/mimalloc/include)

if(NOT FORCE_VENDORED_Eigen3)

find_package(Eigen3 CONFIG)

endif()

if(FORCE_VENDORED_Eigen3 OR NOT EIGEN3_INCLUDE_DIRS)

message(STATUS "Using in-tree Eigen")

set(EIGEN3_FOUND YES)

set(EIGEN3_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extlib/eigen)

else()

message(STATUS "Using system Eigen: ${EIGEN3_INCLUDE_DIRS}")

endif()

if(NOT EXISTS "${EIGEN3_INCLUDE_DIRS}")

message(FATAL_ERROR "Eigen 3 not found on system or in-tree")

endif()

if(WIN32 OR APPLE OR EMSCRIPTEN)

# On Win32 and macOS we use vendored packages, since there is little to no benefit

# to trying to find system versions. In particular, trying to link to libraries from

# Homebrew or macOS system libraries into the .app file is highly likely to result

# in incompatibilities after upgrades.

include(FindVendoredPackage)

include(AddVendoredSubdirectory)

set(FORCE_VENDORED_ZLIB ON)

set(FORCE_VENDORED_PNG ON)

set(FORCE_VENDORED_Freetype ON)

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 png_static

PNG_ARM_NEON "off"

PNG_SHARED OFF

PNG_STATIC ON

PNG_EXECUTABLES OFF

PNG_TESTS OFF

PNG_FRAMEWORK OFF

PNG_PNG_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/extlib/libpng)

list(APPEND PNG_PNG_INCLUDE_DIR ${CMAKE_BINARY_DIR}/extlib/libpng)

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)

message(STATUS "Using in-tree pixman")

set(PIXMAN_FOUND YES)

set(PIXMAN_LIBRARY pixman)

set(PIXMAN_BUILD_TESTS OFF CACHE BOOL "")

set(PIXMAN_BUILD_DEMOS OFF CACHE BOOL "")

set(PIXMAN_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extlib/pixman/pixman)

list(APPEND PIXMAN_INCLUDE_DIRS ${CMAKE_BINARY_DIR}/extlib/pixman/pixman)

add_vendored_subdirectory(extlib/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)

else()

# On Linux and BSDs we're a good citizen and link to system libraries.

find_package(Backtrace)

find_package(PkgConfig REQUIRED)

find_package(ZLIB REQUIRED)

find_package(PNG REQUIRED)

find_package(Freetype REQUIRED)

find_package(Cairo REQUIRED)

endif()

# GUI dependencies

if(ENABLE_GUI)

if(WIN32)

if(OPENGL STREQUAL "3")

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 ON CACHE INTERNAL "")

set(ANGLE_ENABLE_ESSL ON CACHE INTERNAL "")

set(ANGLE_ENABLE_GLSL ON 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(MSVC AND ${CMAKE_SIZEOF_VOID_P} EQUAL 4)

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()

elseif(APPLE)

find_package(OpenGL REQUIRED)

find_library(APPKIT_LIBRARY AppKit REQUIRED)

elseif(EMSCRIPTEN)

# Everything is built in

else()

find_package(OpenGL REQUIRED)

find_package(SpaceWare)

pkg_check_modules(FONTCONFIG REQUIRED fontconfig)

pkg_check_modules(JSONC REQUIRED json-c)

pkg_check_modules(GTKMM REQUIRED gtkmm-3.0>=3.18 pangomm-1.4 x11)

endif()

# code coverage

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()

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()

# translations

find_program(XGETTEXT xgettext)

find_program(MSGINIT msginit)

find_program(MSGMERGE msgmerge)

if(XGETTEXT AND MSGINIT AND MSGMERGE)

set(HAVE_GETTEXT TRUE)

else()

message(WARNING "Gettext not found, translations will not be updated")

set(HAVE_GETTEXT FALSE)

endif()

# solvespace-only compiler flags

if(WIN32)

add_definitions(

-D_CRT_SECURE_NO_DEPRECATE

-D_CRT_SECURE_NO_WARNINGS

-D_SCL_SECURE_NO_WARNINGS

-DWINVER=0x0501

-D_WIN32_WINNT=0x0501

-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__")

# Multi-processor Compilation

set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /MP")

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")

# We rely on these /we flags. They correspond to the GNU-style flags below as

# follows: /w4062=-Wswitch

set(WARNING_FLAGS "${WARNING_FLAGS} /we4062")

# Link 32 bit SolveSpace with /LARGEADDRESSAWARE which allows it to access

# up to 3GB on a properly configured 32 bit Windows and up to 4GB on 64 bit.

# See https://msdn.microsoft.com/en-us/library/aa366778

set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /LARGEADDRESSAWARE")

set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /LARGEADDRESSAWARE")

endif()

if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")

set(WARNING_FLAGS "-Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers")

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()

# application components

add_subdirectory(res)

add_subdirectory(src)

add_subdirectory(exposed)

if(ENABLE_TESTS)

add_subdirectory(test)

endif()

if(CMAKE_BUILD_TYPE STREQUAL "Release" OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")

add_subdirectory(bench)

else()

message(STATUS "Benchmarking disabled in debug builds.")

endif()