361 lines
11 KiB
CMake
Executable File
361 lines
11 KiB
CMake
Executable File
if(MSVC)
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cmake_minimum_required (VERSION 3.16.4)
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cmake_policy(SET CMP0091 NEW)
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else()
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cmake_minimum_required (VERSION 3.0)
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endif()
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project (LibreSSL C ASM)
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include(CheckFunctionExists)
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include(CheckSymbolExists)
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include(CheckLibraryExists)
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include(CheckIncludeFiles)
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include(CheckTypeSize)
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set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}" ${CMAKE_MODULE_PATH})
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include(cmake_export_symbol)
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include(GNUInstallDirs)
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enable_testing()
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file(READ ${CMAKE_CURRENT_SOURCE_DIR}/ssl/VERSION SSL_VERSION)
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string(STRIP ${SSL_VERSION} SSL_VERSION)
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string(REPLACE ":" "." SSL_VERSION ${SSL_VERSION})
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string(REGEX REPLACE "\\..*" "" SSL_MAJOR_VERSION ${SSL_VERSION})
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file(READ ${CMAKE_CURRENT_SOURCE_DIR}/crypto/VERSION CRYPTO_VERSION)
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string(STRIP ${CRYPTO_VERSION} CRYPTO_VERSION)
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string(REPLACE ":" "." CRYPTO_VERSION ${CRYPTO_VERSION})
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string(REGEX REPLACE "\\..*" "" CRYPTO_MAJOR_VERSION ${CRYPTO_VERSION})
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file(READ ${CMAKE_CURRENT_SOURCE_DIR}/tls/VERSION TLS_VERSION)
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string(STRIP ${TLS_VERSION} TLS_VERSION)
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string(REPLACE ":" "." TLS_VERSION ${TLS_VERSION})
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string(REGEX REPLACE "\\..*" "" TLS_MAJOR_VERSION ${TLS_VERSION})
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option(LIBRESSL_SKIP_INSTALL "Skip installation" ${LIBRESSL_SKIP_INSTALL})
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option(LIBRESSL_APPS "Build apps" ON)
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option(LIBRESSL_TESTS "Build tests" ON)
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option(ENABLE_ASM "Enable assembly" ON)
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option(ENABLE_EXTRATESTS "Enable extra tests that may be unreliable on some platforms" OFF)
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option(ENABLE_NC "Enable installing TLS-enabled nc(1)" OFF)
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set(OPENSSLDIR ${OPENSSLDIR} CACHE PATH "Set the default openssl directory" FORCE)
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option(USE_STATIC_MSVC_RUNTIMES "Use /MT instead of /MD in MSVC" OFF)
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if(USE_STATIC_MSVC_RUNTIMES)
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set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
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endif()
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if(NOT LIBRESSL_SKIP_INSTALL)
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set( ENABLE_LIBRESSL_INSTALL ON )
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endif(NOT LIBRESSL_SKIP_INSTALL)
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set(BUILD_NC true)
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if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
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add_definitions(-fno-common)
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endif()
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if(CMAKE_SYSTEM_NAME MATCHES "OpenBSD")
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add_definitions(-DHAVE_ATTRIBUTE__BOUNDED__)
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add_definitions(-DHAVE_ATTRIBUTE__DEAD__)
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endif()
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if(CMAKE_SYSTEM_NAME MATCHES "Linux")
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add_definitions(-D_DEFAULT_SOURCE)
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add_definitions(-D_BSD_SOURCE)
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add_definitions(-D_POSIX_SOURCE)
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add_definitions(-D_GNU_SOURCE)
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set(PLATFORM_LIBS ${PLATFORM_LIBS} pthread)
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endif()
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if(WIN32 OR (CMAKE_SYSTEM_NAME MATCHES "MINGW"))
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set(BUILD_NC false)
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add_definitions(-D_GNU_SOURCE)
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add_definitions(-D_POSIX)
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add_definitions(-D_POSIX_SOURCE)
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add_definitions(-D__USE_MINGW_ANSI_STDIO)
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endif()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2 -Wall")
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if(CMAKE_SYSTEM_NAME MATCHES "HP-UX")
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if(CMAKE_C_COMPILER MATCHES "gcc")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -fno-strict-aliasing")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mlp64")
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else()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} +DD64 +Otype_safety=off")
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endif()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE=600 -D__STRICT_ALIGNMENT")
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set(PLATFORM_LIBS ${PLATFORM_LIBS} pthread)
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endif()
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if(CMAKE_SYSTEM_NAME MATCHES "SunOS")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -fno-strict-aliasing")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D__EXTENSIONS__")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE=600")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DBSD_COMP")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fpic")
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set(PLATFORM_LIBS ${PLATFORM_LIBS} nsl socket)
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endif()
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add_definitions(-DLIBRESSL_INTERNAL)
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add_definitions(-DOPENSSL_NO_HW_PADLOCK)
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add_definitions(-D__BEGIN_HIDDEN_DECLS=)
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add_definitions(-D__END_HIDDEN_DECLS=)
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set(CMAKE_POSITION_INDEPENDENT_CODE true)
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if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
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add_definitions(-Wno-pointer-sign)
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endif()
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if(WIN32)
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add_definitions(-Drestrict)
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add_definitions(-D_CRT_SECURE_NO_WARNINGS)
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add_definitions(-D_CRT_DEPRECATED_NO_WARNINGS)
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add_definitions(-D_REENTRANT -D_POSIX_THREAD_SAFE_FUNCTIONS)
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add_definitions(-DWIN32_LEAN_AND_MEAN -D_WIN32_WINNT=0x0600)
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add_definitions(-DCPPFLAGS -DNO_SYSLOG -DNO_CRYPT)
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set(PLATFORM_LIBS ${PLATFORM_LIBS} ws2_32)
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endif()
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if(MSVC)
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add_definitions(-Dinline=__inline)
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message(STATUS "Using [${CMAKE_C_COMPILER_ID}] compiler")
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if(CMAKE_C_COMPILER_ID MATCHES "MSVC")
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set(MSVC_DISABLED_WARNINGS_LIST
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"C4018" # 'expression' : signed/unsigned mismatch
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"C4057" # 'operator' : 'identifier1' indirection to
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# slightly different base types from 'identifier2'
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"C4100" # 'identifier' : unreferenced formal parameter
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"C4127" # conditional expression is constant
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"C4146" # unary minus operator applied to unsigned type,
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# result still unsigned
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"C4244" # 'argument' : conversion from 'type1' to 'type2',
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# possible loss of data
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"C4245" # 'conversion' : conversion from 'type1' to 'type2',
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# signed/unsigned mismatch
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"C4267" # 'var' : conversion from 'size_t' to 'type',
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# possible loss of data
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"C4389" # 'operator' : signed/unsigned mismatch
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"C4706" # assignment within conditional expression
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"C4996" # The POSIX name for this item is deprecated.
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# Instead, use the ISO C and C++ conformant name
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)
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elseif(CMAKE_C_COMPILER_ID MATCHES "Intel")
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add_definitions(-D_CRT_SUPPRESS_RESTRICT)
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set(MSVC_DISABLED_WARNINGS_LIST
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"C111" # Unreachable statement
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"C128" # Unreachable loop
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"C167" # Unexplict casting unsigned to signed
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"C186" # Pointless comparison of unsigned int with zero
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"C188" # Enumerated type mixed with another type
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"C344" # Redeclared type
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"C556" # Unexplict casting signed to unsigned
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"C869" # Unreferenced parameters
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"C1786" # Deprecated functions
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"C2545" # Empty else statement
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"C2557" # Comparing signed to unsigned
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"C2722" # List init syntax is c++11 feature
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"C3280" # Declaration hides variable
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)
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endif()
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string(REPLACE "C" " -wd" MSVC_DISABLED_WARNINGS_STR
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${MSVC_DISABLED_WARNINGS_LIST})
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string(REGEX REPLACE "[/-]W[1234][ ]?" "" CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -MP -W4 ${MSVC_DISABLED_WARNINGS_STR}")
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endif()
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check_function_exists(asprintf HAVE_ASPRINTF)
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if(HAVE_ASPRINTF)
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add_definitions(-DHAVE_ASPRINTF)
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endif()
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check_function_exists(reallocarray HAVE_REALLOCARRAY)
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if(HAVE_REALLOCARRAY)
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add_definitions(-DHAVE_REALLOCARRAY)
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endif()
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check_function_exists(strcasecmp HAVE_STRCASECMP)
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if(HAVE_STRCASECMP)
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add_definitions(-DHAVE_STRCASECMP)
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endif()
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check_function_exists(strlcat HAVE_STRLCAT)
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if(HAVE_STRLCAT)
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add_definitions(-DHAVE_STRLCAT)
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endif()
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check_function_exists(strlcpy HAVE_STRLCPY)
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if(HAVE_STRLCPY)
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add_definitions(-DHAVE_STRLCPY)
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endif()
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check_function_exists(strndup HAVE_STRNDUP)
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if(HAVE_STRNDUP)
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add_definitions(-DHAVE_STRNDUP)
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endif()
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if(WIN32)
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set(HAVE_STRNLEN true)
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add_definitions(-DHAVE_STRNLEN)
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else()
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check_function_exists(strnlen HAVE_STRNLEN)
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if(HAVE_STRNLEN)
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add_definitions(-DHAVE_STRNLEN)
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endif()
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endif()
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check_function_exists(strsep HAVE_STRSEP)
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if(HAVE_STRSEP)
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add_definitions(-DHAVE_STRSEP)
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endif()
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check_function_exists(timegm HAVE_TIMEGM)
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if(HAVE_TIMEGM)
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add_definitions(-DHAVE_TIMEGM)
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endif()
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check_function_exists(arc4random_buf HAVE_ARC4RANDOM_BUF)
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if(HAVE_ARC4RANDOM_BUF)
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add_definitions(-DHAVE_ARC4RANDOM_BUF)
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endif()
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check_function_exists(arc4random_uniform HAVE_ARC4RANDOM_UNIFORM)
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if(HAVE_ARC4RANDOM_UNIFORM)
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add_definitions(-DHAVE_ARC4RANDOM_UNIFORM)
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endif()
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check_function_exists(explicit_bzero HAVE_EXPLICIT_BZERO)
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if(HAVE_EXPLICIT_BZERO)
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add_definitions(-DHAVE_EXPLICIT_BZERO)
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endif()
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check_function_exists(getauxval HAVE_GETAUXVAL)
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if(HAVE_GETAUXVAL)
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add_definitions(-DHAVE_GETAUXVAL)
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endif()
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check_function_exists(getentropy HAVE_GETENTROPY)
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if(HAVE_GETENTROPY)
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add_definitions(-DHAVE_GETENTROPY)
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endif()
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check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE)
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if(HAVE_GETPAGESIZE)
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add_definitions(-DHAVE_GETPAGESIZE)
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endif()
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check_function_exists(getprogname HAVE_GETPROGNAME)
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if(HAVE_GETPROGNAME)
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add_definitions(-DHAVE_GETPROGNAME)
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endif()
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check_function_exists(syslog_r HAVE_SYSLOG_R)
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if(HAVE_SYSLOG_R)
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add_definitions(-DHAVE_SYSLOG_R)
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endif()
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check_function_exists(syslog HAVE_SYSLOG)
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if(HAVE_SYSLOG)
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add_definitions(-DHAVE_SYSLOG)
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endif()
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check_symbol_exists(timespecsub sys/time.h HAVE_TIMESPECSUB)
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if(HAVE_TIMESPECSUB)
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add_definitions(-DHAVE_TIMESPECSUB)
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endif()
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check_function_exists(timingsafe_bcmp HAVE_TIMINGSAFE_BCMP)
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if(HAVE_TIMINGSAFE_BCMP)
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add_definitions(-DHAVE_TIMINGSAFE_BCMP)
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endif()
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check_function_exists(timingsafe_memcmp HAVE_TIMINGSAFE_MEMCMP)
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if(HAVE_MEMCMP)
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add_definitions(-DHAVE_MEMCMP)
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endif()
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check_function_exists(memmem HAVE_MEMMEM)
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if(HAVE_MEMMEM)
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add_definitions(-DHAVE_MEMMEM)
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endif()
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check_include_files(err.h HAVE_ERR_H)
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if(HAVE_ERR_H)
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add_definitions(-DHAVE_ERR_H)
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endif()
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if(ENABLE_ASM)
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if("${CMAKE_C_COMPILER_ABI}" STREQUAL "ELF")
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if("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "(x86_64|amd64)")
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set(HOST_ASM_ELF_X86_64 true)
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elseif("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "arm")
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set(HOST_ASM_ELF_ARMV4 true)
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elseif(CMAKE_SYSTEM_NAME STREQUAL "SunOS" AND "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "i386")
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set(HOST_ASM_ELF_X86_64 true)
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endif()
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elseif(APPLE AND "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "x86_64")
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set(HOST_ASM_MACOSX_X86_64 true)
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elseif(MSVC AND ("${CMAKE_GENERATOR}" MATCHES "Win64" OR "${CMAKE_GENERATOR_PLATFORM}" STREQUAL "x64"))
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set(HOST_ASM_MASM_X86_64 true)
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ENABLE_LANGUAGE(ASM_MASM)
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elseif(CMAKE_SYSTEM_NAME MATCHES "MINGW" AND "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "x86_64")
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set(HOST_ASM_MINGW64_X86_64 true)
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endif()
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endif()
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if(CMAKE_SYSTEM_NAME MATCHES "Linux")
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# Check if we need -lrt to get clock_gettime on Linux
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check_library_exists(rt clock_gettime "time.h" HAVE_CLOCK_GETTIME)
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if (HAVE_CLOCK_GETTIME)
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set(PLATFORM_LIBS ${PLATFORM_LIBS} rt)
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endif()
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else()
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# Otherwise, simply check if it exists
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check_function_exists(clock_gettime HAVE_CLOCK_GETTIME)
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endif()
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if(HAVE_CLOCK_GETTIME)
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add_definitions(-DHAVE_CLOCK_GETTIME)
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endif()
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check_type_size(time_t SIZEOF_TIME_T)
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if(SIZEOF_TIME_T STREQUAL "4")
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set(SMALL_TIME_T true)
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add_definitions(-DSMALL_TIME_T)
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message(WARNING " ** Warning, this system is unable to represent times past 2038\n"
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" ** It will behave incorrectly when handling valid RFC5280 dates")
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endif()
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add_definitions(-DSIZEOF_TIME_T=${SIZEOF_TIME_T})
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set(OPENSSL_LIBS tls ssl crypto ${PLATFORM_LIBS})
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add_subdirectory(crypto)
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add_subdirectory(ssl)
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add_subdirectory(tls)
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add_subdirectory(include)
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if(NOT MSVC)
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# Create pkgconfig files.
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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}/include)
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if(PLATFORM_LIBS)
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string(REGEX REPLACE ";" " -l" PLATFORM_LDADD ";${PLATFORM_LIBS}")
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endif()
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file(STRINGS "VERSION" VERSION LIMIT_COUNT 1)
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file(GLOB OPENSSL_PKGCONFIGS "*.pc.in")
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foreach(file ${OPENSSL_PKGCONFIGS})
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get_filename_component(filename ${file} NAME)
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string(REPLACE ".in" "" new_file "${filename}")
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configure_file(${filename} pkgconfig/${new_file} @ONLY)
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endforeach()
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install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/pkgconfig
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DESTINATION ${CMAKE_INSTALL_LIBDIR})
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endif()
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