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