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libexpat/expat/CMakeLists.txt

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CMake
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# This file is copyrighted under the BSD-license for buildsystem files of KDE
# copyright 2010, Patrick Spendrin <ps_ml@gmx.de>
cmake_minimum_required(VERSION 3.1.3)
project(expat
VERSION
2.2.7
LANGUAGES
C
)
set(PACKAGE_BUGREPORT "expat-bugs@libexpat.org")
set(PACKAGE_NAME "expat")
set(PACKAGE_VERSION "${PROJECT_VERSION}")
set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
set(PACKAGE_TARNAME "${PACKAGE_NAME}")
include(CMakePackageConfigHelpers)
include(GNUInstallDirs)
#
# Configuration defaults
#
if(WINCE)
set(_EXPAT_BUILD_TOOLS_DEFAULT OFF)
else()
set(_EXPAT_BUILD_TOOLS_DEFAULT ON)
endif()
if(MSVC OR NOT _EXPAT_BUILD_TOOLS_DEFAULT)
set(_EXPAT_BUILD_DOCS_DEFAULT OFF)
else()
find_program(DOCBOOK_TO_MAN NAMES docbook2x-man db2x_docbook2man docbook2man docbook-to-man)
if(DOCBOOK_TO_MAN)
set(_EXPAT_BUILD_DOCS_DEFAULT ON)
else()
set(_EXPAT_BUILD_DOCS_DEFAULT OFF)
endif()
endif()
#
# Configuration
#
option(EXPAT_BUILD_TOOLS "build the xmlwf tool for expat library" ${_EXPAT_BUILD_TOOLS_DEFAULT})
option(EXPAT_BUILD_EXAMPLES "build the examples for expat library" ON)
option(EXPAT_BUILD_TESTS "build the tests for expat library" ON)
option(EXPAT_SHARED_LIBS "build a shared expat library" ON)
option(EXPAT_BUILD_DOCS "build man page for xmlwf" ${_EXPAT_BUILD_DOCS_DEFAULT})
option(EXPAT_BUILD_FUZZERS "build fuzzers for the expat library" OFF)
option(EXPAT_WITH_LIBBSD "utilize libbsd (for arc4random_buf)" OFF)
option(EXPAT_ENABLE_INSTALL "install expat files in cmake install target" ON)
set(EXPAT_CONTEXT_BYTES 1024 CACHE STRING "Define to specify how much context to retain around the current parse point")
option(EXPAT_DTD "Define to make parameter entity parsing functionality available" ON)
option(EXPAT_NS "Define to make XML Namespaces functionality available" ON)
option(EXPAT_WARNINGS_AS_ERRORS "Treat all compiler warnings as errors" OFF)
if(NOT WIN32 OR _EXPAT_HELP)
option(EXPAT_DEV_URANDOM "Define to include code reading entropy from `/dev/urandom'." ON)
set(EXPAT_WITH_GETRANDOM "AUTO" CACHE STRING
"Make use of getrandom function (ON|OFF|AUTO) [default=AUTO]")
set(EXPAT_WITH_SYS_GETRANDOM "AUTO" CACHE STRING
"Make use of syscall SYS_getrandom (ON|OFF|AUTO) [default=AUTO]")
endif()
option(EXPAT_UNICODE "Use UTF-16 encoded chars (two bytes) instead of UTF-8" OFF)
option(EXPAT_UNICODE_WCHAR_T "Use wchar_t to represent UTF-16 instead of unsigned short" OFF)
option(EXPAT_ATTR_INFO "Define to allow retrieving the byte offsets for attribute names and values" OFF)
option(EXPAT_LARGE_SIZE "Make XML_GetCurrent* functions return <(unsigned) long long> rather than <(unsigned) long>" OFF)
option(EXPAT_MIN_SIZE "Get a smaller (but slower) parser (in particular avoid multiple copies of the tokenizer)" OFF)
if(MSVC OR _EXPAT_HELP)
set(EXPAT_MSVC_STATIC_CRT OFF CACHE BOOL "Use /MT flag (static CRT) when compiling in MSVC")
endif()
#
# Environment checks
#
if(EXPAT_WITH_LIBBSD)
find_library(LIB_BSD NAMES bsd)
if(NOT LIB_BSD)
message(SEND_ERROR "EXPAT_WITH_LIBBSD option is enabled, but libbsd was not found")
else()
set(HAVE_LIBBSD TRUE)
endif()
endif()
macro(_expat_copy_bool_int source_ref dest_ref)
if(${source_ref})
set(${dest_ref} 1)
else()
set(${dest_ref} 0)
endif()
endmacro()
if(EXPAT_LARGE_SIZE)
add_definitions(-DXML_LARGE_SIZE)
endif()
if(EXPAT_MIN_SIZE)
add_definitions(-DXML_MIN_SIZE)
endif()
if(EXPAT_UNICODE_WCHAR_T AND NOT EXPAT_UNICODE)
message(SEND_ERROR "Option EXPAT_UNICODE_WCHAR_T=ON may not be used without EXPAT_UNICODE=ON.")
set(EXPAT_UNICODE ON)
endif(EXPAT_UNICODE_WCHAR_T AND NOT EXPAT_UNICODE)
if(EXPAT_BUILD_TOOLS AND (EXPAT_UNICODE AND NOT EXPAT_UNICODE_WCHAR_T))
message(SEND_ERROR "The xmlwf tool can not be built with option EXPAT_UNICODE_WCHAR_T=OFF and EXPAT_UNICODE=ON. Either set EXPAT_UNICODE_WCHAR_T=ON or EXPAT_BUILD_TOOLS=OFF.")
endif()
include(${CMAKE_CURRENT_LIST_DIR}/ConfigureChecks.cmake)
macro(evaluate_detection_results use_ref have_ref thing_lower thing_title)
if(${use_ref} AND NOT (${use_ref} STREQUAL "AUTO") AND NOT ${have_ref})
message(SEND_ERROR
"Use of ${thing_lower} was enforced by ${use_ref}=ON but it could not be found.")
elseif(NOT ${use_ref} AND ${have_ref})
message("${thing_title} was found but it will not be used due to ${use_ref}=OFF.")
set(${have_ref} 0)
endif()
endmacro()
if(NOT WIN32)
evaluate_detection_results(EXPAT_WITH_GETRANDOM HAVE_GETRANDOM "function getrandom" "Function getrandom")
evaluate_detection_results(EXPAT_WITH_SYS_GETRANDOM HAVE_SYSCALL_GETRANDOM "syscall SYS_getrandom" "Syscall SYS_getrandom")
endif()
_expat_copy_bool_int(EXPAT_ATTR_INFO XML_ATTR_INFO)
_expat_copy_bool_int(EXPAT_DTD XML_DTD)
_expat_copy_bool_int(EXPAT_LARGE_SIZE XML_LARGE_SIZE)
_expat_copy_bool_int(EXPAT_MIN_SIZE XML_MIN_SIZE)
_expat_copy_bool_int(EXPAT_NS XML_NS)
_expat_copy_bool_int(EXPAT_UNICODE XML_UNICODE)
_expat_copy_bool_int(EXPAT_UNICODE_WCHAR_T XML_UNICODE_WCHAR_T)
if(NOT WIN32)
_expat_copy_bool_int(EXPAT_DEV_URANDOM XML_DEV_URANDOM)
endif()
set(XML_CONTEXT_BYTES ${EXPAT_CONTEXT_BYTES})
macro(expat_install)
if(EXPAT_ENABLE_INSTALL)
install(${ARGN})
endif()
endmacro()
configure_file(expat_config.h.cmake "${CMAKE_CURRENT_BINARY_DIR}/expat_config.h")
add_definitions(-DHAVE_EXPAT_CONFIG_H)
expat_install(FILES "${CMAKE_CURRENT_BINARY_DIR}/expat_config.h" DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
set(EXTRA_COMPILE_FLAGS)
if(FLAG_NO_STRICT_ALIASING)
set(EXTRA_COMPILE_FLAGS "${EXTRA_COMPILE_FLAGS} -fno-strict-aliasing")
endif()
if(FLAG_VISIBILITY)
add_definitions(-DXML_ENABLE_VISIBILITY=1)
set(EXTRA_COMPILE_FLAGS "${EXTRA_COMPILE_FLAGS} -fvisibility=hidden")
endif(FLAG_VISIBILITY)
if (EXPAT_WARNINGS_AS_ERRORS)
if(MSVC)
add_definitions(/WX)
else(MSVC)
set(EXTRA_COMPILE_FLAGS "${EXTRA_COMPILE_FLAGS} -Werror")
endif(MSVC)
endif(EXPAT_WARNINGS_AS_ERRORS)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_COMPILE_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_COMPILE_FLAGS}")
if (MSVC)
if (EXPAT_MSVC_STATIC_CRT)
message("-- Using static CRT ${EXPAT_MSVC_STATIC_CRT}")
foreach(flag_var
CMAKE_CXX_FLAGS_DEBUG
CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_MINSIZEREL
CMAKE_CXX_FLAGS_RELWITHDEBINFO
CMAKE_C_FLAGS_DEBUG
CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL
CMAKE_C_FLAGS_RELWITHDEBINFO
)
string(REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
endforeach()
endif()
endif()
include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/lib)
if(MSVC)
add_definitions(-D_CRT_SECURE_NO_WARNINGS -wd4996)
endif(MSVC)
if(WIN32)
if(EXPAT_UNICODE_WCHAR_T)
set(_POSTFIX_WIDE "w")
endif()
if(NOT EXPAT_SHARED_LIBS)
if(EXPAT_MSVC_STATIC_CRT)
set(_POSTFIX_CRT "MT")
else()
set(_POSTFIX_CRT "MD")
endif()
endif()
foreach(postfix_var
CMAKE_DEBUG_POSTFIX
CMAKE_RELEASE_POSTFIX
CMAKE_MINSIZEREL_POSTFIX
CMAKE_RELWITHDEBINFO_POSTFIX
)
if(postfix_var STREQUAL "CMAKE_DEBUG_POSTFIX")
set(_POSTFIX_DEBUG "d")
else()
set(_POSTFIX_DEBUG "")
endif()
set(${postfix_var} "${_POSTFIX_WIDE}${_POSTFIX_DEBUG}${_POSTFIX_CRT}" CACHE STRING "Windows binary postfix, e.g. expat<postfix=[w][d][MD|MT]>.lib")
endforeach()
endif(WIN32)
#
# C library
#
set(expat_SRCS
lib/xmlparse.c
lib/xmlrole.c
lib/xmltok.c
lib/xmltok_impl.c
lib/xmltok_ns.c
)
if(EXPAT_SHARED_LIBS)
set(_SHARED SHARED)
if(MSVC)
set(expat_SRCS ${expat_SRCS} lib/libexpat.def)
endif(MSVC)
else(EXPAT_SHARED_LIBS)
set(_SHARED STATIC)
if(WIN32)
add_definitions(-DXML_STATIC)
endif(WIN32)
endif(EXPAT_SHARED_LIBS)
add_library(expat ${_SHARED} ${expat_SRCS})
if(EXPAT_WITH_LIBBSD)
target_link_libraries(expat ${LIB_BSD})
endif()
set(LIBCURRENT 7) # sync
set(LIBREVISION 9) # with
set(LIBAGE 6) # configure.ac!
math(EXPR LIBCURRENT_MINUS_AGE "${LIBCURRENT} - ${LIBAGE}")
if(NOT WIN32)
set_property(TARGET expat PROPERTY VERSION ${LIBCURRENT_MINUS_AGE}.${LIBAGE}.${LIBREVISION})
set_property(TARGET expat PROPERTY SOVERSION ${LIBCURRENT_MINUS_AGE})
set_property(TARGET expat PROPERTY NO_SONAME ${NO_SONAME})
endif(NOT WIN32)
expat_install(TARGETS expat EXPORT expat
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
expat_install(FILES lib/expat.h lib/expat_external.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
#
# pkg-config file
#
set(prefix ${CMAKE_INSTALL_PREFIX})
set(exec_prefix "\${prefix}")
set(libdir "\${exec_prefix}/${CMAKE_INSTALL_LIBDIR}")
set(includedir "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}")
configure_file(expat.pc.in ${CMAKE_CURRENT_BINARY_DIR}/expat.pc @ONLY)
expat_install(FILES ${CMAKE_CURRENT_BINARY_DIR}/expat.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
#
# C command line tool xmlwf
#
if(EXPAT_BUILD_TOOLS)
set(xmlwf_SRCS
xmlwf/xmlwf.c
xmlwf/xmlfile.c
xmlwf/codepage.c
xmlwf/readfilemap.c
)
add_executable(xmlwf ${xmlwf_SRCS})
set_property(TARGET xmlwf PROPERTY RUNTIME_OUTPUT_DIRECTORY xmlwf)
target_link_libraries(xmlwf expat)
expat_install(TARGETS xmlwf DESTINATION ${CMAKE_INSTALL_BINDIR})
if(EXPAT_BUILD_DOCS)
file(MAKE_DIRECTORY ${PROJECT_BINARY_DIR}/doc)
add_custom_command(TARGET expat PRE_BUILD COMMAND "${DOCBOOK_TO_MAN}" "${PROJECT_SOURCE_DIR}/doc/xmlwf.xml" && mv "XMLWF.1" "${PROJECT_BINARY_DIR}/doc/xmlwf.1")
expat_install(FILES "${PROJECT_BINARY_DIR}/doc/xmlwf.1" DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)
endif()
endif()
#
# C code examples
#
if(EXPAT_BUILD_EXAMPLES)
add_executable(elements examples/elements.c)
set_property(TARGET elements PROPERTY RUNTIME_OUTPUT_DIRECTORY examples)
target_link_libraries(elements expat)
add_executable(outline examples/outline.c)
set_property(TARGET outline PROPERTY RUNTIME_OUTPUT_DIRECTORY examples)
target_link_libraries(outline expat)
endif(EXPAT_BUILD_EXAMPLES)
#
# C/C++ test runners
#
if(EXPAT_BUILD_TESTS)
## these are unittests that can be run on any platform
enable_language(CXX)
enable_testing()
set(test_SRCS
tests/chardata.c
tests/memcheck.c
tests/minicheck.c
tests/structdata.c
)
add_executable(runtests tests/runtests.c ${test_SRCS})
set_property(TARGET runtests PROPERTY RUNTIME_OUTPUT_DIRECTORY tests)
target_link_libraries(runtests expat)
add_test(runtests tests/runtests)
add_executable(runtestspp tests/runtestspp.cpp ${test_SRCS})
set_property(TARGET runtestspp PROPERTY RUNTIME_OUTPUT_DIRECTORY tests)
target_link_libraries(runtestspp expat)
add_test(runtestspp tests/runtestspp)
endif(EXPAT_BUILD_TESTS)
if(EXPAT_BUILD_FUZZERS)
if(NOT "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang")
message(SEND_ERROR
"Building fuzz targets without Clang (but ${CMAKE_C_COMPILER_ID}) "
"is not supported. Please set "
"-DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++.")
endif()
string(FIND "${CMAKE_EXE_LINKER_FLAGS}" "-fsanitize" sanitizer_present)
if(${sanitizer_present} EQUAL "-1")
message(WARNING
"There was no sanitizer present when building the fuzz targets. "
"This is likely in error - consider adding "
"-DCMAKE_C_FLAGS='-fsanitize=<sanitizer>' and "
"-DCMAKE_CXX_FLAGS='-fsanitize=<sanitizer>' and "
"-DCMAKE_EXE_LINKER_FLAGS='-fsanitize=<sanitizer>' to your cmake "
"execution.")
endif()
set(encoding_types UTF-16 UTF-8 ISO-8859-1 US-ASCII UTF-16BE UTF-16LE)
set(fuzz_targets xml_parse_fuzzer xml_parsebuffer_fuzzer)
foreach(fuzz_target ${fuzz_targets})
foreach(encoding_type ${encoding_types})
set(target_name ${fuzz_target}_${encoding_type})
add_executable(${target_name} fuzz/${fuzz_target}.c ${expat_SRCS})
target_compile_definitions(${target_name}
PRIVATE ENCODING_FOR_FUZZING=${encoding_type})
target_compile_options(${target_name} PRIVATE -fsanitize=fuzzer-no-link)
# NOTE: Avoiding target_link_options here only because it needs CMake >=3.13
set_target_properties(${target_name} PROPERTIES LINK_FLAGS -fsanitize=fuzzer)
set_property(
TARGET ${target_name} PROPERTY RUNTIME_OUTPUT_DIRECTORY fuzz)
endforeach()
endforeach()
endif(EXPAT_BUILD_FUZZERS)
#
# Documentation
#
configure_file(Changes changelog COPYONLY)
expat_install(
FILES
AUTHORS
${CMAKE_CURRENT_BINARY_DIR}/changelog
DESTINATION
${CMAKE_INSTALL_DOCDIR})
#
# CMake files for find_package(expat [..] CONFIG [..])
#
configure_package_config_file(
cmake/expat-config.cmake.in
cmake/expat-config.cmake
INSTALL_DESTINATION
${CMAKE_INSTALL_LIBDIR}/cmake/expat-${PROJECT_VERSION}/
)
write_basic_package_version_file(
cmake/expat-config-version.cmake
COMPATIBILITY SameMajorVersion # i.e. semver
)
export(
TARGETS
expat
FILE
cmake/expat-targets.cmake # not going to be installed
)
expat_install(
FILES
${CMAKE_CURRENT_BINARY_DIR}/cmake/expat-config.cmake
${CMAKE_CURRENT_BINARY_DIR}/cmake/expat-config-version.cmake
DESTINATION
${CMAKE_INSTALL_LIBDIR}/cmake/expat-${PROJECT_VERSION}/
)
expat_install(
EXPORT
expat
DESTINATION
${CMAKE_INSTALL_LIBDIR}/cmake/expat-${PROJECT_VERSION}/
NAMESPACE
expat::
)
#
# Summary
#
if(EXPAT_UNICODE)
if(EXPAT_UNICODE_WCHAR_T)
set(_EXPAT_CHAR_TYPE "wchar_t")
else()
set(_EXPAT_CHAR_TYPE "unsigned short")
endif()
else()
set(_EXPAT_CHAR_TYPE "char")
endif()
string(TOUPPER "${CMAKE_BUILD_TYPE}" _EXPAT_BUILD_TYPE_UPPER)
message(STATUS "===========================================================================")
message(STATUS "")
message(STATUS "Configuration")
message(STATUS " Prefix ..................... ${CMAKE_INSTALL_PREFIX}")
message(STATUS " Build type ................. ${CMAKE_BUILD_TYPE}")
message(STATUS " Shared libraries ........... ${EXPAT_SHARED_LIBS}")
if(WIN32)
message(STATUS " Static CRT ................. ${EXPAT_MSVC_STATIC_CRT}")
endif()
message(STATUS " Character type ............. ${_EXPAT_CHAR_TYPE}")
if(WIN32)
message(STATUS " Binary postfix ............. ${CMAKE_${_EXPAT_BUILD_TYPE_UPPER}_POSTFIX}")
endif()
message(STATUS "")
message(STATUS " Build documentation ........ ${EXPAT_BUILD_DOCS}")
message(STATUS " Build examples ............. ${EXPAT_BUILD_EXAMPLES}")
message(STATUS " Build fuzzers .............. ${EXPAT_BUILD_FUZZERS}")
message(STATUS " Build tests ................ ${EXPAT_BUILD_TESTS}")
message(STATUS " Build tools (xmlwf) ........ ${EXPAT_BUILD_TOOLS}")
message(STATUS " Install files .............. ${EXPAT_ENABLE_INSTALL}")
message(STATUS "")
message(STATUS " Features")
message(STATUS " Attributes info .......... ${EXPAT_ATTR_INFO}")
message(STATUS " Context bytes ............ ${EXPAT_CONTEXT_BYTES}")
message(STATUS " DTD support .............. ${EXPAT_DTD}")
message(STATUS " Large size ............... ${EXPAT_LARGE_SIZE}")
message(STATUS " Minimum size ............. ${EXPAT_MIN_SIZE}")
message(STATUS " Namespace support ........ ${EXPAT_NS}")
message(STATUS "")
message(STATUS " Entropy sources")
if(WIN32)
message(STATUS " rand_s ................... ON")
else()
message(STATUS " getrandom ................ ${HAVE_GETRANDOM}")
message(STATUS " syscall SYS_getrandom .... ${HAVE_SYSCALL_GETRANDOM}")
message(STATUS " libbsd ................... ${EXPAT_WITH_LIBBSD}")
message(STATUS " /dev/random .............. ${EXPAT_DEV_URANDOM}")
endif()
message(STATUS "")
if(CMAKE_GENERATOR STREQUAL "Unix Makefiles")
message(STATUS "Continue with")
message(STATUS " make")
if(EXPAT_BUILD_TESTS)
message(STATUS " make test")
endif()
if(EXPAT_ENABLE_INSTALL)
message(STATUS " sudo make install")
endif()
message(STATUS "")
endif()
message(STATUS "===========================================================================")
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