diff options
Diffstat (limited to 'libtommath/CMakeLists.txt')
| -rw-r--r-- | libtommath/CMakeLists.txt | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/libtommath/CMakeLists.txt b/libtommath/CMakeLists.txt new file mode 100644 index 0000000..0b84e79 --- /dev/null +++ b/libtommath/CMakeLists.txt @@ -0,0 +1,311 @@ +# SPDX-License-Identifier: Unlicense +# +# LibTomMath, a free open source portable number theoretic multiple-precision +# integer (MPI) library written entirely in C. +# + +cmake_minimum_required(VERSION 3.10) + +project(libtommath + VERSION 1.3.0 + DESCRIPTION "A free open source portable number theoretic multiple-precision integer (MPI) library written entirely in C." + HOMEPAGE_URL "https://www.libtom.net/LibTomMath" + LANGUAGES C) + +# package release version +# bump if re-releasing the same VERSION + patches +# set to 1 if releasing a new VERSION +set(PACKAGE_RELEASE_VERSION 1) + +#----------------------------------------------------------------------------- +# Include cmake modules +#----------------------------------------------------------------------------- +include(GNUInstallDirs) +include(CheckIPOSupported) +include(CMakePackageConfigHelpers) +# default is "No tests" +option(BUILD_TESTING "" OFF) +include(CTest) +include(sources.cmake) + +#----------------------------------------------------------------------------- +# Options +#----------------------------------------------------------------------------- +option(BUILD_SHARED_LIBS "Build shared library and only the shared library if \"ON\", default is static" OFF) + +#----------------------------------------------------------------------------- +# Add support for ccache if desired +#----------------------------------------------------------------------------- +find_program(CCACHE ccache) + +if(CCACHE) + option(ENABLE_CCACHE "Enable ccache." ON) +endif() + +# use ccache if installed +if(CCACHE AND ENABLE_CCACHE) + set(CMAKE_C_COMPILER_LAUNCHER ${CCACHE}) +endif() + +#----------------------------------------------------------------------------- +# Compose CFLAGS +#----------------------------------------------------------------------------- + +# Some information ported from makefile_include.mk + + +if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) + message(STATUS "Setting build type to 'Release' as none was specified.") + set(CMAKE_BUILD_TYPE "Release") +endif() + +# We only differentiate between MSVC and GCC-compatible compilers +if(MSVC) + set(LTM_C_FLAGS -W3) +elseif(WATCOM) + set(LTM_C_FLAGS -fo=.obj -oaxt -3r -w3) +else() + set(LTM_C_FLAGS -Wall -Wsign-compare -Wextra -Wshadow + -Wdeclaration-after-statement -Wbad-function-cast -Wcast-align + -Wstrict-prototypes -Wpointer-arith -Wsystem-headers) + set(CMAKE_C_FLAGS_DEBUG "-g3") + set(CMAKE_C_FLAGS_RELEASE "-O3 -funroll-loops -fomit-frame-pointer") + set(CMAKE_C_FLAGS_RELWITHDEBINFO "-g3 -O2") + set(CMAKE_C_FLAGS_MINSIZEREL "-Os") +endif() + +# What compiler do we have and what are their...uhm... peculiarities +if(CMAKE_C_COMPILER_ID MATCHES "(C|c?)lang") + list(APPEND LTM_C_FLAGS -Wno-typedef-redefinition -Wno-tautological-compare -Wno-builtin-requires-header) + # Clang requires at least '-O1' for dead code elimination + set(CMAKE_C_FLAGS_DEBUG "-O1 ${CMAKE_C_FLAGS_DEBUG}") +endif() +if(CMAKE_C_COMPILER MATCHES "mingw") + list(APPEND LTM_C_FLAGS -Wno-shadow -Wno-expansion-to-defined -Wno-declaration-after-statement -Wno-bad-function-cast) +endif() +if(CMAKE_SYSTEM_NAME MATCHES "Darwin") + list(APPEND LTM_C_FLAGS -Wno-nullability-completeness) +endif() +if(CMAKE_SYSTEM_NAME MATCHES "CYGWIN") + list(APPEND LTM_C_FLAGS -no-undefined) +endif() + +# TODO: coverage (lgcov) + +# If the user set the environment variables at generate-time, append them +# in order to allow overriding our defaults. +# ${LTM_CFLAGS} means the user passed it via sth like: +# $ cmake -DLTM_CFLAGS="foo" +list(APPEND LTM_C_FLAGS ${LTM_CFLAGS}) +list(APPEND LTM_LD_FLAGS ${LTM_LDFLAGS}) + +#----------------------------------------------------------------------------- +# library target +#----------------------------------------------------------------------------- +add_library(${PROJECT_NAME} + ${SOURCES} + ${HEADERS} +) + +target_include_directories(${PROJECT_NAME} PUBLIC + $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}> + $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}> +) + +target_compile_options(${PROJECT_NAME} BEFORE PRIVATE + ${LTM_C_FLAGS} +) +target_link_options(${PROJECT_NAME} BEFORE PRIVATE + ${LTM_LD_FLAGS} +) + +set(PUBLIC_HEADERS tommath.h) +set(C89 False CACHE BOOL "(Usually maintained automatically) Enable when the library is in c89 mode to package the correct header files on install") +if(C89) + list(APPEND PUBLIC_HEADERS tommath_c89.h) +endif() + +set_target_properties(${PROJECT_NAME} PROPERTIES + OUTPUT_NAME tommath + VERSION ${PROJECT_VERSION} + SOVERSION ${PROJECT_VERSION_MAJOR} + PUBLIC_HEADER "${PUBLIC_HEADERS}" +) + +option(COMPILE_LTO "Build with LTO enabled") +if(COMPILE_LTO) + check_ipo_supported(RESULT COMPILER_SUPPORTS_LTO) + if(COMPILER_SUPPORTS_LTO) + set_property(TARGET ${PROJECT_NAME} PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE) + else() + message(SEND_ERROR "This compiler does not support LTO. Reconfigure ${PROJECT_NAME} with -DCOMPILE_LTO=OFF.") + endif() +endif() + +#----------------------------------------------------------------------------- +# demo target +#----------------------------------------------------------------------------- + +if(BUILD_TESTING) + enable_testing() + add_subdirectory(demo) +endif() + +#----------------------------------------------------------------------------- +# Install/export targets and files +#----------------------------------------------------------------------------- +set(CONFIG_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}") +set(PROJECT_VERSION_FILE "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config-version.cmake") +set(PROJECT_CONFIG_FILE "${PROJECT_NAME}-config.cmake") +set(TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets") + +install(TARGETS ${PROJECT_NAME} + EXPORT ${TARGETS_EXPORT_NAME} + LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} + ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT Libraries + RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} + PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} +) + +# Install libtommath.pc for pkg-config if we build a shared library +if(BUILD_SHARED_LIBS) + # Let the user override the default directory of the pkg-config file (usually this shouldn't be required to be changed) + set(CMAKE_INSTALL_PKGCONFIGDIR "${CMAKE_INSTALL_LIBDIR}/pkgconfig" CACHE PATH "Folder where to install .pc files") + + configure_file( + ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}.pc.in + ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc + @ONLY + ) + + install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc + DESTINATION ${CMAKE_INSTALL_PKGCONFIGDIR} + ) +endif() + +# generate package version file +write_basic_package_version_file( + ${PROJECT_VERSION_FILE} + VERSION ${PROJECT_VERSION} + COMPATIBILITY SameMajorVersion +) + +# install version file +install(FILES ${PROJECT_VERSION_FILE} + DESTINATION ${CONFIG_INSTALL_DIR} +) + +# build directory package config +export(EXPORT ${TARGETS_EXPORT_NAME} + FILE ${PROJECT_CONFIG_FILE} +) + +# installed package config +install(EXPORT ${TARGETS_EXPORT_NAME} + DESTINATION ${CONFIG_INSTALL_DIR} + FILE ${PROJECT_CONFIG_FILE} +) + +# add to CMake registry +export(PACKAGE ${PROJECT_NAME}) + +#--------------------------------------------------------------------------------------- +# Create release packages +#--------------------------------------------------------------------------------------- + +# determine distribution and architecture +find_program(LSB_RELEASE lsb_release) +find_program(SYSCTL sysctl) +find_program(UNAME uname) + +if(UNAME) + execute_process(COMMAND uname -m OUTPUT_VARIABLE MACHINE_ARCH OUTPUT_STRIP_TRAILING_WHITESPACE) +elseif(SYSCTL) + execute_process(COMMAND sysctl -b hw.machine_arch OUTPUT_VARIABLE MACHINE_ARCH OUTPUT_STRIP_TRAILING_WHITESPACE) +else() + string(TOLOWER ${CMAKE_SYSTEM_NAME} MACHINE_ARCH) +endif() + +if(LSB_RELEASE) + execute_process(COMMAND lsb_release -si OUTPUT_VARIABLE LINUX_DISTRO OUTPUT_STRIP_TRAILING_WHITESPACE) + execute_process(COMMAND lsb_release -sc OUTPUT_VARIABLE LINUX_DISTRO_CODENAME OUTPUT_STRIP_TRAILING_WHITESPACE) + execute_process(COMMAND lsb_release -sr OUTPUT_VARIABLE LINUX_DISTRO_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE) + + string(TOLOWER ${LINUX_DISTRO} LINUX_DISTRO) + if(LINUX_DISTRO_CODENAME STREQUAL "n/a") + set(DISTRO_PACK_PATH ${LINUX_DISTRO}/${LINUX_DISTRO_VERSION}/) + else() + set(DISTRO_PACK_PATH ${LINUX_DISTRO}/${LINUX_DISTRO_CODENAME}/) + endif() +else() + set(DISTRO_PACK_PATH ${CMAKE_SYSTEM_NAME}/) +endif() + +# make sure untagged versions get a different package name +execute_process(COMMAND git describe --exact-match --tags ERROR_QUIET RESULT_VARIABLE REPO_HAS_TAG) +if(REPO_HAS_TAG EQUAL 0) + set(PACKAGE_NAME_SUFFIX "") +else() + set(PACKAGE_NAME_SUFFIX "-git") + message(STATUS "Use -git suffix") +endif() + +# default CPack generators +set(CPACK_GENERATOR TGZ STGZ) + +# extra CPack generators +if(LINUX_DISTRO STREQUAL "debian" OR LINUX_DISTRO STREQUAL "ubuntu" OR LINUX_DISTRO STREQUAL "linuxmint") + list(APPEND CPACK_GENERATOR DEB) +elseif(LINUX_DISTRO STREQUAL "fedora" OR LINUX_DISTRO STREQUAL "opensuse" OR LINUX_DISTRO STREQUAL "centos") + list(APPEND CPACK_GENERATOR RPM) +elseif(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD") + list(APPEND CPACK_GENERATOR FREEBSD) +endif() + +set(LTM_DEBIAN_SHARED_PACKAGE_NAME "${PROJECT_NAME}${PACKAGE_NAME_SUFFIX}${PROJECT_VERSION_MAJOR}") + +# general CPack config +set(CPACK_PACKAGE_DIRECTORY ${CMAKE_BINARY_DIR}/packages/${DISTRO_PACK_PATH}) +message(STATUS "CPack: packages will be generated under ${CPACK_PACKAGE_DIRECTORY}") +if(BUILD_SHARED_LIBS) + set(CPACK_PACKAGE_NAME "${PROJECT_NAME}${PROJECT_VERSION_MAJOR}") + set(CPACK_DEBIAN_PACKAGE_NAME "${LTM_DEBIAN_SHARED_PACKAGE_NAME}") +else() + set(CPACK_PACKAGE_NAME "${PROJECT_NAME}-devel") + set(CPACK_DEBIAN_LIBRARIES_PACKAGE_NAME "${PROJECT_NAME}${PACKAGE_NAME_SUFFIX}-dev") +endif() +set(CPACK_PACKAGE_VERSION ${PROJECT_VERSION}) +set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "LibTomMath") +set(CPACK_PACKAGE_VENDOR "libtom projects") +set(CPACK_PACKAGE_CONTACT "libtom@googlegroups.com") +set(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/LICENSE") +set(PACKAGE_NAME_TRAILER ${CPACK_PACKAGE_VERSION}-${PACKAGE_RELEASE_VERSION}_${MACHINE_ARCH}) +set(CPACK_PACKAGE_FILE_NAME ${CPACK_PACKAGE_NAME}-${PACKAGE_NAME_TRAILER}) + +# deb specific CPack config +set(CPACK_DEBIAN_FILE_NAME DEB-DEFAULT) +set(CPACK_DEBIAN_DEBUGINFO_PACKAGE ON) +set(CPACK_DEBIAN_PACKAGE_RELEASE ${PACKAGE_RELEASE_VERSION}) +set(CPACK_DEBIAN_PACKAGE_SHLIBDEPS ON) +if(BUILD_SHARED_LIBS) + set(CPACK_DEBIAN_PACKAGE_SECTION "libs") +else() + set(CPACK_DEBIAN_PACKAGE_SECTION "devel") + set(CPACK_DEBIAN_PACKAGE_DEPENDS ${LTM_DEBIAN_SHARED_PACKAGE_NAME}) + set(CPACK_DEB_COMPONENT_INSTALL ON) + set(CPACK_ARCHIVE_COMPONENT_INSTALL ON) + set(CPACK_COMPONENTS_ALL Libraries) +endif() + +# rpm specific CPack config +set(CPACK_RPM_PACKAGE_RELEASE ${PACKAGE_RELEASE_VERSION}) +set(CPACK_RPM_PACKAGE_ARCHITECTURE ${MACHINE_ARCH}) +set(CPACK_RPM_PACKAGE_NAME "${CPACK_PACKAGE_NAME}-${PROJECT_VERSION}") +set(CPACK_RPM_PACKAGE_LICENSE "The Unlicense") + +# FreeBSD specific CPack config +set(CPACK_FREEBSD_PACKAGE_MAINTAINER "gahr@FreeBSD.org") +set(CPACK_FREEBSD_PACKAGE_ORIGIN "math/libtommath") +set(CPACK_FREEBSD_PACKAGE_CATEGORIES "math") + +include(CPack) |