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Helps speed up builds, removes internet requirement to build the package, and solves a build problem on Windows where the dependencies would get built but then couldn't be accessed.
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| Original file line number | Diff line number | Diff line change |
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| # Dependencies | ||
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| Dependencies are included in this directory. | ||
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| ## [fast_float](https://github.com/fastfloat/fast_float) | ||
| Floating-point parsing. | ||
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| Using the single-file release version. To upgrade just paste in a new version of `fast_float.h`. | ||
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| Optional, set `FMM_USE_FAST_FLOAT=OFF` to disable. | ||
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| ## [Dragonbox](https://github.com/jk-jeon/dragonbox) | ||
| Floating-point rendering. | ||
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| Using a pruned copy of the dragonbox repo. The original includes two large PDFs, subprojects, etc. | ||
| Just clone the repo and delete anything not needed to build the library. | ||
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| Optional, set `FMM_USE_DRAGONBOX=OFF` to disable. | ||
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| ## [Ryu](https://github.com/ulfjack/ryu) | ||
| Floating-point rendering with user-specified precision. | ||
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| Optional, set `FMM_USE_RYU=OFF` to disable. | ||
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| ## [thread-pool](https://github.com/bshoshany/thread-pool) | ||
| A lightweight thread pool using C++11 threads. | ||
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| Bundled in `include/`. |
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| cmake_minimum_required(VERSION 3.14 FATAL_ERROR) | ||
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| project(dragonbox | ||
| VERSION 1.1.3 | ||
| LANGUAGES CXX) | ||
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| # ---- Includes ---- | ||
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| include(CMakePackageConfigHelpers) | ||
| include(GNUInstallDirs) | ||
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| # ---- Warning guard ---- | ||
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| # Protect dependents from this project's warnings if the guard isn't disabled | ||
| set(dragonbox_warning_guard "SYSTEM") | ||
| if(dragonbox_INCLUDE_WITHOUT_SYSTEM) | ||
| set(dragonbox_warning_guard "") | ||
| endif() | ||
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| # ---- Declare library (dragonbox) ---- | ||
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| add_library(dragonbox INTERFACE) | ||
| add_library(dragonbox::dragonbox ALIAS dragonbox) | ||
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| set(dragonbox_headers include/dragonbox/dragonbox.h) | ||
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| target_include_directories(dragonbox | ||
| ${dragonbox_warning_guard} | ||
| INTERFACE | ||
| "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>") | ||
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| target_compile_features(dragonbox INTERFACE cxx_std_17) | ||
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| # ---- Declare library (dragonbox_to_chars) ---- | ||
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| set(dragonbox_to_chars_headers | ||
| ${dragonbox_headers} | ||
| include/dragonbox/dragonbox_to_chars.h) | ||
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| set(dragonbox_to_chars_sources source/dragonbox_to_chars.cpp) | ||
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| add_library(dragonbox_to_chars STATIC | ||
| ${dragonbox_to_chars_headers} | ||
| ${dragonbox_to_chars_sources}) | ||
| add_library(dragonbox::dragonbox_to_chars ALIAS dragonbox_to_chars) | ||
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| target_include_directories(dragonbox_to_chars | ||
| ${dragonbox_warning_guard} | ||
| PUBLIC | ||
| "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>") | ||
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| target_compile_features(dragonbox_to_chars PUBLIC cxx_std_17) | ||
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| # ---- Install ---- | ||
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| option(DRAGONBOX_INSTALL_TO_CHARS | ||
| "When invoked with --install, dragonbox_to_chars.h/.cpp are installed along with dragonbox.h" | ||
| On) | ||
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| set(dragonbox_directory "dragonbox-${PROJECT_VERSION}") | ||
| set(dragonbox_include_directory "${CMAKE_INSTALL_INCLUDEDIR}/${dragonbox_directory}") | ||
| set(dragonbox_install_targets "dragonbox") | ||
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| if (DRAGONBOX_INSTALL_TO_CHARS) | ||
| set(dragonbox_install_targets ${dragonbox_install_targets} dragonbox_to_chars) | ||
| endif() | ||
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| install(TARGETS ${dragonbox_install_targets} | ||
| EXPORT dragonboxTargets | ||
| ARCHIVE # | ||
| DESTINATION "${CMAKE_INSTALL_LIBDIR}" | ||
| COMPONENT dragonbox_Development | ||
| INCLUDES # | ||
| DESTINATION "${dragonbox_include_directory}") | ||
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| set(dragonbox_install_cmakedir "${CMAKE_INSTALL_LIBDIR}/cmake/${dragonbox_directory}") | ||
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| write_basic_package_version_file( | ||
| dragonboxConfigVersion.cmake | ||
| VERSION ${PROJECT_VERSION} | ||
| COMPATIBILITY SameMajorVersion | ||
| ARCH_INDEPENDENT) | ||
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| install(EXPORT dragonboxTargets | ||
| NAMESPACE dragonbox:: | ||
| DESTINATION "${dragonbox_install_cmakedir}") | ||
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| install(FILES | ||
| "${PROJECT_SOURCE_DIR}/cmake/dragonboxConfig.cmake" | ||
| "${PROJECT_BINARY_DIR}/dragonboxConfigVersion.cmake" | ||
| DESTINATION "${dragonbox_install_cmakedir}") | ||
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| if (DRAGONBOX_INSTALL_TO_CHARS) | ||
| install(FILES ${dragonbox_to_chars_headers} | ||
| DESTINATION "${dragonbox_include_directory}/dragonbox") | ||
| else() | ||
| install(FILES ${dragonbox_headers} | ||
| DESTINATION "${dragonbox_include_directory}/dragonbox") | ||
| endif() | ||
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| # ---- Subproject ---- | ||
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| option(DRAGONBOX_ENABLE_SUBPROJECT "Build subproject as well" OFF) | ||
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| if (DRAGONBOX_ENABLE_SUBPROJECT) | ||
| add_subdirectory("subproject/benchmark") | ||
| add_subdirectory("subproject/meta") | ||
| add_subdirectory("subproject/test") | ||
| endif() | ||
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| # ---- MSVC Specifics ---- | ||
| if (MSVC) | ||
| # No need to not generate PDB | ||
| # /permissive- should be the default | ||
| # The compilation will fail without /experimental:newLambdaProcessor | ||
| target_compile_options(dragonbox INTERFACE | ||
| /Zi /permissive- | ||
| $<$<NOT:$<CXX_COMPILER_ID:Clang>>:/experimental:newLambdaProcessor>) | ||
| target_compile_options(dragonbox_to_chars PUBLIC | ||
| /Zi /permissive- | ||
| $<$<NOT:$<CXX_COMPILER_ID:Clang>>:/experimental:newLambdaProcessor> | ||
| $<$<CONFIG:Release>:/GL>) | ||
| endif() |
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