iw7-mod/deps/libtommath/CMakeLists.txt

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2024-08-13 05:15:34 -04:00
# 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 1.2.0
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)
# The only direct cmake argument for now
option(BUILD_SHARED_LIBS "Build shared library and only the shared library if \"ON\", default is static" OFF)
#-----------------------------------------------------------------------------
# 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 ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}
)
# 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
)
# Windows uses a different help sytem.
if((NOT WIN32) AND (NOT CMAKE_HOST_WIN32))
# install manpage (not gzipped, some BSD's do not want it compressed?)
install(FILES ${CMAKE_SOURCE_DIR}/doc/tommath.3
DESTINATION ${CMAKE_INSTALL_MANDIR}/man3/
)
endif()
# 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)