1# This file is copyrighted under the BSD-license for buildsystem files of KDE 2# copyright 2010, Patrick Spendrin <ps_ml@gmx.de> 3 4cmake_minimum_required(VERSION 3.1.3) 5 6# This allows controlling documented build time switches 7# when Expat is pulled in using the add_subdirectory function, e.g. 8# 9# set(EXPAT_BUILD_DOCS OFF) 10# set(EXPAT_BUILD_TOOLS OFF) 11# add_subdirectory(${expat_SOURCE_DIR}/expat ${expat_BINARY_DIR}) 12# 13# would disable compilation of the xmlwf CLI and its man page. 14# Without activating behaviour NEW for policy CMP0077 here, 15# a user with -Wdev enabled would see warning 16# 17# Policy CMP0077 is not set: option() honors normal variables. Run "cmake 18# --help-policy CMP0077" for policy details. Use the cmake_policy command to 19# set the policy and suppress this warning. 20# 21# For compatibility with older versions of CMake, option is clearing the 22# normal variable 'EXPAT_BUILD_DOCS'. 23# 24# and effectively not be able to adjust option EXPAT_BUILD_DOCS. 25# 26# For more details please see: 27# - https://cmake.org/cmake/help/latest/policy/CMP0077.html 28# - https://github.com/libexpat/libexpat/pull/419 29# 30if(POLICY CMP0077) 31 cmake_policy(SET CMP0077 NEW) 32endif() 33 34project(expat 35 VERSION 36 2.3.0 37 LANGUAGES 38 C 39) 40 41set(PACKAGE_BUGREPORT "expat-bugs@libexpat.org") 42set(PACKAGE_NAME "expat") 43set(PACKAGE_VERSION "${PROJECT_VERSION}") 44set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}") 45set(PACKAGE_TARNAME "${PACKAGE_NAME}") 46 47include(CMakePackageConfigHelpers) 48include(GNUInstallDirs) 49 50# 51# Configuration defaults 52# 53if(WINCE) 54 set(_EXPAT_BUILD_TOOLS_DEFAULT OFF) 55else() 56 set(_EXPAT_BUILD_TOOLS_DEFAULT ON) 57endif() 58if(MSVC OR NOT _EXPAT_BUILD_TOOLS_DEFAULT) 59 set(_EXPAT_BUILD_DOCS_DEFAULT OFF) 60else() 61 find_program(DOCBOOK_TO_MAN NAMES docbook2x-man db2x_docbook2man docbook2man docbook-to-man) 62 if(DOCBOOK_TO_MAN) 63 set(_EXPAT_BUILD_DOCS_DEFAULT ON) 64 else() 65 set(_EXPAT_BUILD_DOCS_DEFAULT OFF) 66 endif() 67endif() 68if(MSVC) 69 set(_EXPAT_BUILD_PKGCONFIG_DEFAULT OFF) 70else() 71 set(_EXPAT_BUILD_PKGCONFIG_DEFAULT ON) 72endif() 73 74# 75# Configuration 76# 77option(EXPAT_BUILD_TOOLS "build the xmlwf tool for expat library" ${_EXPAT_BUILD_TOOLS_DEFAULT}) 78option(EXPAT_BUILD_EXAMPLES "build the examples for expat library" ON) 79option(EXPAT_BUILD_TESTS "build the tests for expat library" ON) 80option(EXPAT_SHARED_LIBS "build a shared expat library" ON) 81option(EXPAT_BUILD_DOCS "build man page for xmlwf" ${_EXPAT_BUILD_DOCS_DEFAULT}) 82option(EXPAT_BUILD_FUZZERS "build fuzzers for the expat library" OFF) 83option(EXPAT_BUILD_PKGCONFIG "build pkg-config file" ${_EXPAT_BUILD_PKGCONFIG_DEFAULT}) 84option(EXPAT_OSSFUZZ_BUILD "build fuzzers via ossfuzz for the expat library" OFF) 85if(UNIX OR _EXPAT_HELP) 86 option(EXPAT_WITH_LIBBSD "utilize libbsd (for arc4random_buf)" OFF) 87endif() 88option(EXPAT_ENABLE_INSTALL "install expat files in cmake install target" ON) 89set(EXPAT_CONTEXT_BYTES 1024 CACHE STRING "Define to specify how much context to retain around the current parse point") 90mark_as_advanced(EXPAT_CONTEXT_BYTES) 91option(EXPAT_DTD "Define to make parameter entity parsing functionality available" ON) 92mark_as_advanced(EXPAT_DTD) 93option(EXPAT_NS "Define to make XML Namespaces functionality available" ON) 94mark_as_advanced(EXPAT_NS) 95option(EXPAT_WARNINGS_AS_ERRORS "Treat all compiler warnings as errors" OFF) 96if(UNIX OR _EXPAT_HELP) 97 option(EXPAT_DEV_URANDOM "Define to include code reading entropy from `/dev/urandom'." ON) 98 set(EXPAT_WITH_GETRANDOM "AUTO" CACHE STRING 99 "Make use of getrandom function (ON|OFF|AUTO) [default=AUTO]") 100 set(EXPAT_WITH_SYS_GETRANDOM "AUTO" CACHE STRING 101 "Make use of syscall SYS_getrandom (ON|OFF|AUTO) [default=AUTO]") 102 mark_as_advanced(EXPAT_DEV_URANDOM) 103endif() 104set(EXPAT_CHAR_TYPE "char" CACHE STRING "Character type to use (char|ushort|wchar_t) [default=char]") 105option(EXPAT_ATTR_INFO "Define to allow retrieving the byte offsets for attribute names and values" OFF) 106mark_as_advanced(EXPAT_ATTR_INFO) 107option(EXPAT_LARGE_SIZE "Make XML_GetCurrent* functions return <(unsigned) long long> rather than <(unsigned) long>" OFF) 108mark_as_advanced(EXPAT_LARGE_SIZE) 109option(EXPAT_MIN_SIZE "Get a smaller (but slower) parser (in particular avoid multiple copies of the tokenizer)" OFF) 110mark_as_advanced(EXPAT_MIN_SIZE) 111if(MSVC OR _EXPAT_HELP) 112 set(EXPAT_MSVC_STATIC_CRT OFF CACHE BOOL "Use /MT flag (static CRT) when compiling in MSVC") 113endif() 114 115if(EXPAT_BUILD_TESTS) 116 # We have to call enable_language() before modifying any CMAKE_CXX_* variables 117 enable_language(CXX) 118endif() 119 120# 121# Environment checks 122# 123if(EXPAT_WITH_LIBBSD) 124 find_library(LIB_BSD NAMES bsd) 125 if(NOT LIB_BSD) 126 message(SEND_ERROR "EXPAT_WITH_LIBBSD option is enabled, but libbsd was not found") 127 else() 128 set(HAVE_LIBBSD TRUE) 129 endif() 130endif() 131 132if(MSVC) 133 # Minimum supported MSVC version is 1910 = Visual Studio 15.0/2017 134 # See also https://cmake.org/cmake/help/latest/variable/MSVC_VERSION.html 135 if(MSVC_VERSION VERSION_LESS 1910) 136 message(SEND_ERROR "MSVC_VERSION ${MSVC_VERSION} is not a supported Visual Studio compiler version. Please use Visual Studio 15.0/2017 or any later version.") 137 endif() 138endif() 139 140macro(_expat_copy_bool_int source_ref dest_ref) 141 if(${source_ref}) 142 set(${dest_ref} 1) 143 else() 144 set(${dest_ref} 0) 145 endif() 146endmacro() 147 148if(EXPAT_LARGE_SIZE) 149 add_definitions(-DXML_LARGE_SIZE) 150endif() 151 152if(EXPAT_MIN_SIZE) 153 add_definitions(-DXML_MIN_SIZE) 154endif() 155 156if(EXPAT_CHAR_TYPE STREQUAL "char") 157 set(_EXPAT_UNICODE OFF) 158 set(_EXPAT_UNICODE_WCHAR_T OFF) 159elseif(EXPAT_CHAR_TYPE STREQUAL "ushort") 160 set(_EXPAT_UNICODE ON) 161 set(_EXPAT_UNICODE_WCHAR_T OFF) 162 if(EXPAT_BUILD_EXAMPLES) 163 message(SEND_ERROR "Examples can not be built with option -DEXPAT_CHAR_TYPE=ushort. Please pass -DEXPAT_CHAR_TYPE=(char|wchar_t) or -DEXPAT_BUILD_EXAMPLES=OFF.") 164 endif() 165 if(EXPAT_BUILD_TESTS) 166 message(SEND_ERROR "The testsuite can not be built with option -DEXPAT_CHAR_TYPE=ushort. Please pass -DEXPAT_CHAR_TYPE=(char|wchar_t) or -DEXPAT_BUILD_TESTS=OFF.") 167 endif() 168 if(EXPAT_BUILD_TOOLS) 169 message(SEND_ERROR "The xmlwf tool can not be built with option -DEXPAT_CHAR_TYPE=ushort. Please pass -DEXPAT_CHAR_TYPE=(char|wchar_t) or -DEXPAT_BUILD_TOOLS=OFF.") 170 endif() 171elseif(EXPAT_CHAR_TYPE STREQUAL "wchar_t") 172 set(_EXPAT_UNICODE ON) 173 set(_EXPAT_UNICODE_WCHAR_T ON) 174 if(NOT WIN32) 175 string(FIND "${CMAKE_C_FLAGS}" "-fshort-wchar" _expat_short_wchar_found) 176 if(${_expat_short_wchar_found} EQUAL "-1") 177 message(SEND_ERROR "Configuration -DEXPAT_CHAR_TYPE=wchar_t requires -DCMAKE_{C,CXX}_FLAGS=-fshort-wchar (which was not found) and libc compiled with -fshort-wchar, too.") 178 endif() 179 if (EXPAT_BUILD_TOOLS) 180 message(SEND_ERROR "The xmlwf tool can not be built with option -DEXPAT_CHAR_TYPE=wchar_t outside of Windows. Please pass -DEXPAT_CHAR_TYPE=char or -DEXPAT_BUILD_TOOLS=OFF.") 181 endif() 182 endif() 183else() 184 message(SEND_ERROR "Option -DEXPAT_CHAR_TYPE=(char|ushort|wchar_t) cannot be \"${EXPAT_CHAR_TYPE}\".") 185endif() 186 187if(_EXPAT_UNICODE) 188 add_definitions(-DXML_UNICODE) # for unsigned short 189 if(_EXPAT_UNICODE_WCHAR_T) 190 add_definitions(-DXML_UNICODE_WCHAR_T) # for wchar_t 191 endif() 192endif() 193 194include(${CMAKE_CURRENT_LIST_DIR}/ConfigureChecks.cmake) 195 196macro(evaluate_detection_results use_ref have_ref thing_lower thing_title) 197 if(${use_ref} AND NOT (${use_ref} STREQUAL "AUTO") AND NOT ${have_ref}) 198 message(SEND_ERROR 199 "Use of ${thing_lower} was enforced by ${use_ref}=ON but it could not be found.") 200 elseif(NOT ${use_ref} AND ${have_ref}) 201 message("${thing_title} was found but it will not be used due to ${use_ref}=OFF.") 202 set(${have_ref} 0) 203 endif() 204endmacro() 205 206if(NOT WIN32) 207 evaluate_detection_results(EXPAT_WITH_GETRANDOM HAVE_GETRANDOM "function getrandom" "Function getrandom") 208 evaluate_detection_results(EXPAT_WITH_SYS_GETRANDOM HAVE_SYSCALL_GETRANDOM "syscall SYS_getrandom" "Syscall SYS_getrandom") 209endif() 210 211_expat_copy_bool_int(EXPAT_ATTR_INFO XML_ATTR_INFO) 212_expat_copy_bool_int(EXPAT_DTD XML_DTD) 213_expat_copy_bool_int(EXPAT_LARGE_SIZE XML_LARGE_SIZE) 214_expat_copy_bool_int(EXPAT_MIN_SIZE XML_MIN_SIZE) 215_expat_copy_bool_int(EXPAT_NS XML_NS) 216if(NOT WIN32) 217 _expat_copy_bool_int(EXPAT_DEV_URANDOM XML_DEV_URANDOM) 218endif() 219set(XML_CONTEXT_BYTES ${EXPAT_CONTEXT_BYTES}) 220 221macro(expat_install) 222 if(EXPAT_ENABLE_INSTALL) 223 install(${ARGN}) 224 endif() 225endmacro() 226 227configure_file(expat_config.h.cmake "${CMAKE_CURRENT_BINARY_DIR}/expat_config.h") 228add_definitions(-DHAVE_EXPAT_CONFIG_H) 229expat_install(FILES "${CMAKE_CURRENT_BINARY_DIR}/expat_config.h" DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) 230 231 232set(EXTRA_COMPILE_FLAGS) 233if(FLAG_NO_STRICT_ALIASING) 234 set(EXTRA_COMPILE_FLAGS "${EXTRA_COMPILE_FLAGS} -fno-strict-aliasing") 235endif() 236if(FLAG_VISIBILITY) 237 add_definitions(-DXML_ENABLE_VISIBILITY=1) 238 set(EXTRA_COMPILE_FLAGS "${EXTRA_COMPILE_FLAGS} -fvisibility=hidden") 239endif() 240if (EXPAT_WARNINGS_AS_ERRORS) 241 if(MSVC) 242 add_definitions(/WX) 243 else() 244 set(EXTRA_COMPILE_FLAGS "${EXTRA_COMPILE_FLAGS} -Werror") 245 endif() 246endif() 247set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_COMPILE_FLAGS}") 248set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_COMPILE_FLAGS}") 249 250if (MSVC) 251 if (EXPAT_MSVC_STATIC_CRT) 252 message("-- Using static CRT ${EXPAT_MSVC_STATIC_CRT}") 253 foreach(flag_var 254 CMAKE_CXX_FLAGS_DEBUG 255 CMAKE_CXX_FLAGS_RELEASE 256 CMAKE_CXX_FLAGS_MINSIZEREL 257 CMAKE_CXX_FLAGS_RELWITHDEBINFO 258 CMAKE_C_FLAGS_DEBUG 259 CMAKE_C_FLAGS_RELEASE 260 CMAKE_C_FLAGS_MINSIZEREL 261 CMAKE_C_FLAGS_RELWITHDEBINFO 262 ) 263 string(REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}") 264 endforeach() 265 endif() 266endif() 267 268include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/lib) 269if(MSVC) 270 add_definitions(-D_CRT_SECURE_NO_WARNINGS -wd4996) 271endif() 272if(WIN32) 273 if(_EXPAT_UNICODE_WCHAR_T) 274 set(_POSTFIX_WIDE "w") 275 endif() 276 277 if(MSVC AND NOT EXPAT_SHARED_LIBS) 278 if(EXPAT_MSVC_STATIC_CRT) 279 set(_POSTFIX_CRT "MT") 280 else() 281 set(_POSTFIX_CRT "MD") 282 endif() 283 endif() 284 285 foreach(postfix_var 286 CMAKE_DEBUG_POSTFIX 287 CMAKE_RELEASE_POSTFIX 288 CMAKE_MINSIZEREL_POSTFIX 289 CMAKE_RELWITHDEBINFO_POSTFIX 290 ) 291 if(postfix_var STREQUAL "CMAKE_DEBUG_POSTFIX") 292 set(_POSTFIX_DEBUG "d") 293 else() 294 set(_POSTFIX_DEBUG "") 295 endif() 296 297 set(${postfix_var} "${_POSTFIX_WIDE}${_POSTFIX_DEBUG}${_POSTFIX_CRT}" CACHE STRING "Windows binary postfix, e.g. libexpat<postfix=[w][d][MD|MT]>.lib") 298 endforeach() 299endif() 300 301# 302# C library 303# 304set(expat_SRCS 305 lib/xmlparse.c 306 lib/xmlrole.c 307 lib/xmltok.c 308# NOTE: ISO C forbids an empty translation unit 309# lib/xmltok_impl.c 310# lib/xmltok_ns.c 311) 312 313if(EXPAT_SHARED_LIBS) 314 set(_SHARED SHARED) 315 if(MSVC) 316 set(expat_SRCS ${expat_SRCS} lib/libexpat.def) 317 endif() 318else() 319 set(_SHARED STATIC) 320endif() 321 322# Avoid colliding with Expat.dll of Perl's XML::Parser::Expat 323if(WIN32 AND NOT MINGW) 324 set(_EXPAT_OUTPUT_NAME libexpat) # CMAKE_*_POSTFIX applies, see above 325else() 326 if(_EXPAT_UNICODE) 327 set(_EXPAT_OUTPUT_NAME expatw) 328 else() 329 set(_EXPAT_OUTPUT_NAME expat) 330 endif() 331endif() 332 333add_library(expat ${_SHARED} ${expat_SRCS}) 334if(EXPAT_WITH_LIBBSD) 335 target_link_libraries(expat ${LIB_BSD}) 336endif() 337 338set(LIBCURRENT 8) # sync 339set(LIBREVISION 0) # with 340set(LIBAGE 7) # configure.ac! 341math(EXPR LIBCURRENT_MINUS_AGE "${LIBCURRENT} - ${LIBAGE}") 342 343set_property(TARGET expat PROPERTY OUTPUT_NAME "${_EXPAT_OUTPUT_NAME}") 344if(NOT WIN32) 345 set_property(TARGET expat PROPERTY VERSION ${LIBCURRENT_MINUS_AGE}.${LIBAGE}.${LIBREVISION}) 346 set_property(TARGET expat PROPERTY SOVERSION ${LIBCURRENT_MINUS_AGE}) 347 set_property(TARGET expat PROPERTY NO_SONAME ${NO_SONAME}) 348endif() 349 350target_include_directories(expat 351 INTERFACE 352 $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/lib> 353 $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}> 354 $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}> 355) 356 357if(NOT EXPAT_SHARED_LIBS AND WIN32) 358 target_compile_definitions(expat PUBLIC -DXML_STATIC) 359endif() 360 361expat_install(TARGETS expat EXPORT expat 362 RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} 363 LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} 364 ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}) 365 366expat_install(FILES lib/expat.h lib/expat_external.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) 367 368# 369# pkg-config file 370# 371if(EXPAT_BUILD_PKGCONFIG) 372 set(prefix ${CMAKE_INSTALL_PREFIX}) 373 set(exec_prefix "\${prefix}") 374 set(libdir "\${exec_prefix}/${CMAKE_INSTALL_LIBDIR}") 375 set(includedir "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}") 376 configure_file(expat.pc.in ${CMAKE_CURRENT_BINARY_DIR}/expat.pc @ONLY) 377 expat_install(FILES ${CMAKE_CURRENT_BINARY_DIR}/expat.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig) 378endif() 379 380# 381# C command line tool xmlwf 382# 383if(EXPAT_BUILD_TOOLS) 384 set(xmlwf_SRCS 385 xmlwf/xmlwf.c 386 xmlwf/xmlfile.c 387 xmlwf/codepage.c 388 xmlwf/readfilemap.c 389 ) 390 391 add_executable(xmlwf ${xmlwf_SRCS}) 392 set_property(TARGET xmlwf PROPERTY RUNTIME_OUTPUT_DIRECTORY xmlwf) 393 target_link_libraries(xmlwf expat) 394 expat_install(TARGETS xmlwf DESTINATION ${CMAKE_INSTALL_BINDIR}) 395 396 if(MINGW AND _EXPAT_UNICODE_WCHAR_T) 397 # https://gcc.gnu.org/onlinedocs/gcc/x86-Windows-Options.html 398 set_target_properties(xmlwf PROPERTIES LINK_FLAGS -municode) 399 endif() 400 401 if(EXPAT_BUILD_DOCS) 402 file(MAKE_DIRECTORY ${PROJECT_BINARY_DIR}/doc) 403 add_custom_target( 404 xmlwf-manpage 405 COMMAND 406 "${DOCBOOK_TO_MAN}" "${PROJECT_SOURCE_DIR}/doc/xmlwf.xml" && mv "XMLWF.1" "${PROJECT_BINARY_DIR}/doc/xmlwf.1" 407 BYPRODUCTS 408 doc/xmlwf.1) 409 add_dependencies(expat xmlwf-manpage) 410 expat_install(FILES "${PROJECT_BINARY_DIR}/doc/xmlwf.1" DESTINATION ${CMAKE_INSTALL_MANDIR}/man1) 411 elseif(EXISTS ${PROJECT_SOURCE_DIR}/doc/xmlwf.1) 412 expat_install(FILES "${PROJECT_SOURCE_DIR}/doc/xmlwf.1" DESTINATION ${CMAKE_INSTALL_MANDIR}/man1) 413 endif() 414endif() 415 416# 417# C code examples 418# 419if(EXPAT_BUILD_EXAMPLES) 420 add_executable(elements examples/elements.c) 421 set_property(TARGET elements PROPERTY RUNTIME_OUTPUT_DIRECTORY examples) 422 target_link_libraries(elements expat) 423 424 add_executable(outline examples/outline.c) 425 set_property(TARGET outline PROPERTY RUNTIME_OUTPUT_DIRECTORY examples) 426 target_link_libraries(outline expat) 427endif() 428 429# 430# C/C++ test runners 431# 432if(EXPAT_BUILD_TESTS) 433 ## these are unittests that can be run on any platform 434 enable_testing() 435 436 set(test_SRCS 437 tests/chardata.c 438 tests/memcheck.c 439 tests/minicheck.c 440 tests/structdata.c 441 ) 442 443 if(NOT MSVC) 444 if(MINGW) 445 set(host whatever-mingw32) # for nothing but run.sh 446 endif() 447 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/run.sh.in run.sh @ONLY) 448 endif() 449 450 function(expat_add_test _name _file) 451 if(MSVC) 452 add_test(NAME ${_name} COMMAND ${_file}) 453 else() 454 add_test(NAME ${_name} COMMAND bash run.sh ${_file}) 455 endif() 456 endfunction() 457 458 add_executable(runtests tests/runtests.c ${test_SRCS}) 459 set_property(TARGET runtests PROPERTY RUNTIME_OUTPUT_DIRECTORY tests) 460 target_link_libraries(runtests expat) 461 expat_add_test(runtests $<TARGET_FILE:runtests>) 462 463 add_executable(runtestspp tests/runtestspp.cpp ${test_SRCS}) 464 set_property(TARGET runtestspp PROPERTY RUNTIME_OUTPUT_DIRECTORY tests) 465 target_link_libraries(runtestspp expat) 466 expat_add_test(runtestspp $<TARGET_FILE:runtestspp>) 467endif() 468 469if(EXPAT_BUILD_FUZZERS) 470 if(NOT "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang") 471 message(SEND_ERROR 472 "Building fuzz targets without Clang (but ${CMAKE_C_COMPILER_ID}) " 473 "is not supported. Please set " 474 "-DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++.") 475 endif() 476 477 string(FIND "${CMAKE_C_FLAGS}" "-fsanitize" sanitizer_present) 478 if(${sanitizer_present} EQUAL "-1") 479 message(WARNING 480 "There was no sanitizer present when building the fuzz targets. " 481 "This is likely in error - consider adding " 482 "-DCMAKE_C_FLAGS='-fsanitize=<sanitizer>' and " 483 "-DCMAKE_CXX_FLAGS='-fsanitize=<sanitizer>' and " 484 "-DCMAKE_EXE_LINKER_FLAGS='-fsanitize=<sanitizer>' and " 485 "-DCMAKE_MODULE_LINKER_FLAGS='-fsanitize=<sanitizer>' and " 486 "-DCMAKE_SHARED_LINKER_FLAGS='-fsanitize=<sanitizer>' to your cmake " 487 "execution.") 488 endif() 489 490 if(EXPAT_OSSFUZZ_BUILD AND NOT DEFINED ENV{LIB_FUZZING_ENGINE}) 491 message(SEND_ERROR 492 "OSS-Fuzz builds require the environment variable " 493 "LIB_FUZZING_ENGINE to be set. If you are seeing this " 494 "warning, it points to a deeper problem in the ossfuzz " 495 "build setup.") 496 endif() 497 498 set(encoding_types UTF-16 UTF-8 ISO-8859-1 US-ASCII UTF-16BE UTF-16LE) 499 set(fuzz_targets xml_parse_fuzzer xml_parsebuffer_fuzzer) 500 501 add_library(fuzzpat STATIC ${expat_SRCS}) 502 if(NOT EXPAT_OSSFUZZ_BUILD) 503 target_compile_options(fuzzpat PRIVATE -fsanitize=fuzzer-no-link) 504 endif() 505 506 foreach(fuzz_target ${fuzz_targets}) 507 foreach(encoding_type ${encoding_types}) 508 set(target_name ${fuzz_target}_${encoding_type}) 509 add_executable(${target_name} fuzz/${fuzz_target}.c) 510 target_link_libraries(${target_name} fuzzpat) 511 target_compile_definitions(${target_name} 512 PRIVATE ENCODING_FOR_FUZZING=${encoding_type}) 513 if(NOT EXPAT_OSSFUZZ_BUILD) 514 target_compile_options(${target_name} PRIVATE -fsanitize=fuzzer-no-link) 515 endif() 516 # NOTE: Avoiding target_link_options here only because it needs CMake >=3.13 517 if(EXPAT_OSSFUZZ_BUILD) 518 set_target_properties(${target_name} PROPERTIES LINK_FLAGS $ENV{LIB_FUZZING_ENGINE}) 519 set_target_properties(${target_name} PROPERTIES LINKER_LANGUAGE "CXX") 520 else() 521 set_target_properties(${target_name} PROPERTIES LINK_FLAGS -fsanitize=fuzzer) 522 endif() 523 set_property( 524 TARGET ${target_name} PROPERTY RUNTIME_OUTPUT_DIRECTORY fuzz) 525 endforeach() 526 endforeach() 527else() 528 if(EXPAT_OSSFUZZ_BUILD) 529 message(SEND_ERROR 530 "Attempting to perform an ossfuzz build without turning on the fuzzer build. " 531 "This is likely in error - consider adding " 532 "-DEXPAT_BUILD_FUZZERS=ON to your cmake execution.") 533 endif() 534endif() 535 536# 537# Custom target "run-xmltest" 538# 539if(EXPAT_BUILD_TOOLS AND NOT MSVC) 540 add_custom_target( 541 xmlts-zip-downloaded 542 COMMAND 543 sh -c 'test -f xmlts.zip || wget --output-document=xmlts.zip https://www.w3.org/XML/Test/xmlts20080827.zip' 544 BYPRODUCTS 545 tests/xmlts.zip 546 WORKING_DIRECTORY 547 tests/) 548 549 add_custom_target( 550 xmlts-zip-extracted 551 COMMAND 552 sh -c 'test -d xmlconf || unzip -q xmlts.zip' 553 BYPRODUCTS 554 tests/xmlconf 555 WORKING_DIRECTORY 556 tests/) 557 add_dependencies(xmlts-zip-extracted xmlts-zip-downloaded) 558 559 add_custom_target( 560 xmltest-sh-been-run 561 COMMAND 562 sh -c '${CMAKE_CURRENT_SOURCE_DIR}/tests/xmltest.sh "bash ${CMAKE_CURRENT_BINARY_DIR}/run.sh $<TARGET_FILE:xmlwf>" 2>&1 | tee tests/xmltest.log' 563 BYPRODUCTS 564 tests/xmltest.log) 565 add_dependencies(xmltest-sh-been-run xmlts-zip-extracted xmlwf) 566 567 add_custom_target( 568 xmltest-log-fixed 569 COMMAND 570 ${CMAKE_CURRENT_SOURCE_DIR}/fix-xmltest-log.sh tests/xmltest.log 571 DEPENDS 572 tests/xmltest.log) 573 add_dependencies(xmltest-log-fixed xmltest-sh-been-run) 574 575 add_custom_target( 576 xmltest-log-verified 577 COMMAND 578 diff -u ${CMAKE_CURRENT_SOURCE_DIR}/tests/xmltest.log.expected tests/xmltest.log) 579 add_dependencies(xmltest-log-verified xmltest-log-fixed) 580 581 add_custom_target(run-xmltest) 582 add_dependencies(run-xmltest xmltest-log-verified) 583endif() 584 585# 586# Documentation 587# 588configure_file(Changes changelog COPYONLY) 589expat_install( 590 FILES 591 AUTHORS 592 ${CMAKE_CURRENT_BINARY_DIR}/changelog 593 DESTINATION 594 ${CMAKE_INSTALL_DOCDIR}) 595 596# 597# CMake files for find_package(expat [..] CONFIG [..]) 598# 599configure_package_config_file( 600 cmake/expat-config.cmake.in 601 cmake/expat-config.cmake 602 INSTALL_DESTINATION 603 ${CMAKE_INSTALL_LIBDIR}/cmake/expat-${PROJECT_VERSION}/ 604) 605write_basic_package_version_file( 606 cmake/expat-config-version.cmake 607 COMPATIBILITY SameMajorVersion # i.e. semver 608) 609export( 610 TARGETS 611 expat 612 FILE 613 cmake/expat-targets.cmake # not going to be installed 614) 615expat_install( 616 FILES 617 ${CMAKE_CURRENT_BINARY_DIR}/cmake/expat-config.cmake 618 ${CMAKE_CURRENT_BINARY_DIR}/cmake/expat-config-version.cmake 619 DESTINATION 620 ${CMAKE_INSTALL_LIBDIR}/cmake/expat-${PROJECT_VERSION}/ 621) 622expat_install( 623 EXPORT 624 expat 625 DESTINATION 626 ${CMAKE_INSTALL_LIBDIR}/cmake/expat-${PROJECT_VERSION}/ 627 NAMESPACE 628 expat:: 629) 630 631# 632# CPack 633# 634 635# This effectively disables target "package_source". 636# That is done due to CPack's unfortunate choice of an exclusion list 637# rather than inclusion list. An exclusion list does not protect against 638# unwanted files ending up in the resulting archive in a way that's 639# safe to run from an Expat developer's machine. 640set(CPACK_SOURCE_GENERATOR '') 641 642if(WIN32) 643 set(CPACK_GENERATOR ZIP) 644else() 645 set(CPACK_GENERATOR TGZ) 646endif() 647 648include(CPack) 649 650# 651# Summary 652# 653if(EXPAT_CHAR_TYPE STREQUAL "char") 654 set(_EXPAT_CHAR_TYPE_SUMMARY "char (UTF-8)") 655elseif(EXPAT_CHAR_TYPE STREQUAL "ushort") 656 set(_EXPAT_CHAR_TYPE_SUMMARY "ushort (unsigned short, UTF-16)") 657elseif(EXPAT_CHAR_TYPE STREQUAL "wchar_t") 658 if(WIN32) 659 set(_EXPAT_CHAR_TYPE_SUMMARY "wchar_t (UTF-16)") 660 else() 661 set(_EXPAT_CHAR_TYPE_SUMMARY "wchar_t (UTF-32) // not implemented") 662 endif() 663else() 664 set(_EXPAT_CHAR_TYPE_SUMMARY "ERROR") 665endif() 666string(TOUPPER "${CMAKE_BUILD_TYPE}" _EXPAT_BUILD_TYPE_UPPER) 667 668message(STATUS "===========================================================================") 669message(STATUS "") 670message(STATUS "Configuration") 671message(STATUS " Prefix ..................... ${CMAKE_INSTALL_PREFIX}") 672message(STATUS " Build type ................. ${CMAKE_BUILD_TYPE}") 673message(STATUS " Shared libraries ........... ${EXPAT_SHARED_LIBS}") 674if(MSVC) 675 message(STATUS " Static CRT ................. ${EXPAT_MSVC_STATIC_CRT}") 676endif() 677message(STATUS " Character type ............. ${_EXPAT_CHAR_TYPE_SUMMARY}") 678if(WIN32) 679 message(STATUS " Binary postfix ............. ${CMAKE_${_EXPAT_BUILD_TYPE_UPPER}_POSTFIX}") 680endif() 681message(STATUS "") 682message(STATUS " Build documentation ........ ${EXPAT_BUILD_DOCS}") 683message(STATUS " Build examples ............. ${EXPAT_BUILD_EXAMPLES}") 684message(STATUS " Build fuzzers .............. ${EXPAT_BUILD_FUZZERS}") 685message(STATUS " Build tests ................ ${EXPAT_BUILD_TESTS}") 686message(STATUS " Build tools (xmlwf) ........ ${EXPAT_BUILD_TOOLS}") 687message(STATUS " Build pkg-config file ...... ${EXPAT_BUILD_PKGCONFIG}") 688message(STATUS " Install files .............. ${EXPAT_ENABLE_INSTALL}") 689message(STATUS "") 690message(STATUS " Features") 691message(STATUS " // Advanced options, changes not advised") 692message(STATUS " Attributes info .......... ${EXPAT_ATTR_INFO}") 693message(STATUS " Context bytes ............ ${EXPAT_CONTEXT_BYTES}") 694message(STATUS " DTD support .............. ${EXPAT_DTD}") 695message(STATUS " Large size ............... ${EXPAT_LARGE_SIZE}") 696message(STATUS " Minimum size ............. ${EXPAT_MIN_SIZE}") 697message(STATUS " Namespace support ........ ${EXPAT_NS}") 698message(STATUS "") 699message(STATUS " Entropy sources") 700if(WIN32) 701 message(STATUS " rand_s ................... ON") 702else() 703 message(STATUS " getrandom ................ ${HAVE_GETRANDOM}") 704 message(STATUS " syscall SYS_getrandom .... ${HAVE_SYSCALL_GETRANDOM}") 705 message(STATUS " libbsd ................... ${EXPAT_WITH_LIBBSD}") 706 message(STATUS " /dev/random .............. ${EXPAT_DEV_URANDOM}") 707endif() 708message(STATUS "") 709if(CMAKE_GENERATOR STREQUAL "Unix Makefiles") 710 message(STATUS "Continue with") 711 message(STATUS " make") 712 if(EXPAT_BUILD_TESTS) 713 message(STATUS " make test") 714 endif() 715 if(EXPAT_ENABLE_INSTALL) 716 message(STATUS " sudo make install") 717 endif() 718 message(STATUS "") 719endif() 720message(STATUS "===========================================================================") 721