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CMakeLists.txt
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# CMakeLists.txt
#
# Wireshark - Network traffic analyzer
# By Gerald Combs <gerald@wireshark.org>
# Copyright 1998 Gerald Combs
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
project(Wireshark C CXX)
message(STATUS "Generating build using CMake ${CMAKE_VERSION}")
if(WIN32)
# Needed for proper Qt linking. See
# http://www.cmake.org/cmake/help/v3.0/policy/CMP0020.html
# 3.1.3 is the currently supported version
cmake_minimum_required(VERSION 3.1.3)
else()
cmake_minimum_required(VERSION 2.8.8)
endif()
# Needs to be set after cmake_minimum_required or cmake_policy(VERSION)
# Policy since 2.6.1
cmake_policy(SET CMP0008 NEW)
# Policy since 2.6.3
# Backward compatibility for versions < 2.6.3
cmake_policy(SET CMP0011 OLD)
# Policy since 2.8.1
cmake_policy(SET CMP0015 NEW)
#Where to find local cmake scripts
set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules)
# Set old behaviour for LOCATION property
if (POLICY CMP0026)
cmake_policy(SET CMP0026 OLD)
endif()
# Set old behaviour for variable quoting
if (POLICY CMP0054)
cmake_policy(SET CMP0054 OLD)
endif()
# Set old behaviour for MACOSX_RPATH
if (POLICY CMP0042)
cmake_policy(SET CMP0042 OLD)
endif()
# If our target platform is enforced by our generator, set
# WIRESHARK_TARGET_PLATFORM accordingly. Otherwise use
# %WIRESHARK_TARGET_PLATFORM%.
if(WIN32)
find_package(PowerShell REQUIRED)
if(${CMAKE_CL_64} OR "${CMAKE_GENERATOR}" MATCHES "Win64")
set(WIRESHARK_TARGET_PLATFORM win64)
elseif("${CMAKE_GENERATOR}" MATCHES "Visual Studio")
set(WIRESHARK_TARGET_PLATFORM win32)
else()
set(WIRESHARK_TARGET_PLATFORM $ENV{WIRESHARK_TARGET_PLATFORM})
endif()
if ("${WIRESHARK_TARGET_PLATFORM}" MATCHES "win64")
set(PROCESSOR_ARCHITECTURE amd64)
else()
set(PROCESSOR_ARCHITECTURE x86)
endif()
# Sanity check
if(DEFINED ENV{PLATFORM})
string(TOLOWER $ENV{PLATFORM} _vs_platform)
else()
set(_vs_platform "[undefined]") # x86
endif()
if(
(_vs_platform STREQUAL "x64" AND NOT WIRESHARK_TARGET_PLATFORM STREQUAL "win64")
OR
(_vs_platform STREQUAL "[undefined]" AND NOT WIRESHARK_TARGET_PLATFORM STREQUAL "win32")
)
message(FATAL_ERROR "The PLATFORM environment variable (${_vs_platform})"
" doesn't match the generator platform (${WIRESHARK_TARGET_PLATFORM})")
endif()
message(STATUS "Building for ${WIRESHARK_TARGET_PLATFORM} using ${CMAKE_GENERATOR}")
# Determine where the 3rd party libraries will be
if( DEFINED ENV{WIRESHARK_LIB_DIR} )
# The buildbots set WIRESHARK_LIB_DIR but not WIRESHARK_BASE_DIR.
file( TO_CMAKE_PATH "$ENV{WIRESHARK_LIB_DIR}" _PROJECT_LIB_DIR )
elseif( DEFINED ENV{WIRESHARK_BASE_DIR} )
file( TO_CMAKE_PATH "$ENV{WIRESHARK_BASE_DIR}" _WS_BASE_DIR )
set( _PROJECT_LIB_DIR "${_WS_BASE_DIR}/wireshark-${WIRESHARK_TARGET_PLATFORM}-libs" )
else()
# Don't know what to do
message(FATAL_ERROR "Neither WIRESHARK_BASE_DIR or WIRESHARK_LIB_DIR are defined")
endif()
# Download third-party libraries
file (TO_NATIVE_PATH ${CMAKE_SOURCE_DIR}/tools/win-setup.ps1 _win_setup)
file (TO_NATIVE_PATH ${_PROJECT_LIB_DIR} _ws_lib_dir)
if(MSVC14)
set(_vsversion_args "14")
elseif(MSVC12)
set(_vsversion_args "12")
elseif(MSVC11)
set(_vsversion_args "11")
elseif(MSVC10)
set(_vsversion_args "10")
else()
message(FATAL_ERROR "Unsupported compiler ${CMAKE_C_COMPILER}")
endif()
# Is it possible to have a one-time, non-cached option in CMake? If
# so, we could add a "-DFORCE_WIN_SETUP" which passes -Force to
# win-setup.ps1.
execute_process(
COMMAND ${POWERSHELL_COMMAND} "\"${_win_setup}\"" -Destination "${_ws_lib_dir}" -Platform ${WIRESHARK_TARGET_PLATFORM} -VSVersion ${_vsversion_args}
RESULT_VARIABLE _win_setup_failed
)
if (${_win_setup_failed})
message(FATAL_ERROR "Windows setup (win-setup.ps1) failed.")
endif()
# XXX Add a dependency on ${_ws_lib_dir}/current_tag.txt?
# Head off any attempts to use Cygwin's Python.
include(LocatePythonExecutable)
endif(WIN32)
include(UseCustomIncludes)
ADD_CUSTOM_CMAKE_INCLUDE()
# This cannot be implemented via option(...)
if( NOT CMAKE_BUILD_TYPE )
set( CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING
"Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel."
FORCE)
endif()
message(STATUS "Configuration types: ${CMAKE_CONFIGURATION_TYPES}")
string(TOUPPER "${CMAKE_BUILD_TYPE}" _build_type)
message(STATUS "CMAKE_C_FLAGS_${_build_type}: ${CMAKE_C_FLAGS_${_build_type}}")
message(STATUS "CMAKE_CXX_FLAGS_${_build_type}: ${CMAKE_CXX_FLAGS_${_build_type}}")
# Where to put executables and libraries in the build tree
# Note: Executables and libraries might end end up in a configuration
# subdirectory, e.g. run/Debug or run/Release. We try to set DATAFILE_DIR
# to a corresponding value below.
if(NOT ARCHIVE_OUTPUT_PATH)
set(ARCHIVE_OUTPUT_PATH ${Wireshark_BINARY_DIR}/run CACHE INTERNAL
"Single output directory for building all archives.")
endif()
if(NOT EXECUTABLE_OUTPUT_PATH)
set(EXECUTABLE_OUTPUT_PATH ${Wireshark_BINARY_DIR}/run CACHE INTERNAL
"Single output directory for building all executables.")
endif()
if(NOT LIBRARY_OUTPUT_PATH)
set(LIBRARY_OUTPUT_PATH ${Wireshark_BINARY_DIR}/run CACHE INTERNAL
"Single output directory for building all libraries.")
endif()
# Under linux the release mode (CMAKE_BUILD_TYPE=release) defines NDEBUG
#Defines CMAKE_INSTALL_BINDIR, CMAKE_INSTALL_DATADIR, etc ...
include(CMakeInstallDirs)
# Updated by make-version.pl
set(GIT_REVISION 0)
set(PROJECT_MAJOR_VERSION 2)
set(PROJECT_MINOR_VERSION 1)
set(PROJECT_PATCH_VERSION 1)
set(PROJECT_BUILD_VERSION ${GIT_REVISION})
set(PROJECT_VERSION_EXTENSION "-git")
if(ENV{WIRESHARK_VERSION_EXTRA})
set(PROJECT_VERSION_EXTENSION "$ENV{WIRESHARK_VERSION_EXTRA}")
endif()
set(PROJECT_VERSION "${PROJECT_MAJOR_VERSION}.${PROJECT_MINOR_VERSION}.${PROJECT_PATCH_VERSION}${PROJECT_VERSION_EXTENSION}")
# Banner shown at top right of Qt welcome screen.
if(DEFINED ENV{WIRESHARK_VERSION_FLAVOR})
set(VERSION_FLAVOR "$ENV{WIRESHARK_VERSION_FLAVOR}")
else()
set(VERSION_FLAVOR "Development Build")
endif()
# These are required in .rc files and manifests
set(VERSION_MAJOR ${PROJECT_MAJOR_VERSION})
set(VERSION_MINOR ${PROJECT_MINOR_VERSION})
set(VERSION_MICRO ${PROJECT_PATCH_VERSION})
set(VERSION_BUILD ${PROJECT_BUILD_VERSION})
set(RC_VERSION ${PROJECT_MAJOR_VERSION},${PROJECT_MINOR_VERSION},${PROJECT_PATCH_VERSION},${PROJECT_BUILD_VERSION})
message(STATUS "V: ${PROJECT_VERSION}, MaV: ${PROJECT_MAJOR_VERSION}, MiV: ${PROJECT_MINOR_VERSION}, PL: ${PROJECT_PATCH_VERSION}, EV: ${PROJECT_VERSION_EXTENSION}.")
include(UseLemon)
include(UseMakeDissectorReg)
include(UseMakeTapReg)
include(UseAsn2Wrs)
include_directories(
${CMAKE_BINARY_DIR}
${CMAKE_SOURCE_DIR}
${CMAKE_SOURCE_DIR}/epan
${CMAKE_SOURCE_DIR}/tools/lemon
)
include( CMakeOptions.txt )
if( DUMPCAP_INSTALL_OPTION STREQUAL "suid" )
set( DUMPCAP_SETUID "SETUID" )
else()
set( DUMPCAP_SETUID )
endif()
if( NOT CMAKE_SYSTEM_NAME STREQUAL "Linux" AND
DUMPCAP_INSTALL_OPTION STREQUAL "capabilities" )
message( WARNING "Capabilities are only supported on Linux" )
set( DUMPCAP_INSTALL_OPTION )
endif()
# Always enable position-independent code when compiling, even for
# executables, so you can build position-independent executables.
# -pie is added below for non-MSVC.
# Needed when either:
# - Qt5_POSITION_INDEPENDENT_CODE is set and CMake < 2.8.11
# - PIE is wanted (-pie) and you want to add -fPIC/-fPIE automatically.
# This option only has an effect on CMake >= 2.8.9
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
if( CMAKE_C_COMPILER_ID MATCHES "MSVC")
if (MSVC10)
set(MSC_VER_REQUIRED 1600)
elseif(MSVC11)
set(MSC_VER_REQUIRED 1700)
elseif(MSVC12)
set(MSC_VER_REQUIRED 1800)
elseif(MSVC14)
set(MSC_VER_REQUIRED 1900)
else()
message(FATAL_ERROR "You are using an unsupported version of MSVC")
endif()
add_definitions(
/DWIN32_LEAN_AND_MEAN
"/DMSC_VER_REQUIRED=${MSC_VER_REQUIRED}"
/D_CRT_SECURE_NO_DEPRECATE
# NOMINMAX keeps windows.h from defining "min" and "max" via windef.h.
# This avoids conflicts with the C++ standard library.
/DNOMINMAX
# -DPSAPI_VERSION=1 Programs that must run on earlier versions of Windows as well as Windows 7 and later
# versions should always call this function as GetProcessMemoryInfo. To ensure correct
# resolution of symbols, add Psapi.lib to the TARGETLIBS macro and compile the program
# with -DPSAPI_VERSION=1.To use run-time dynamic linking, load Psapi.dll.
# http://msdn.microsoft.com/en-us/library/windows/desktop/ms683219(v=vs.85).aspx
# -DBUILD_WINDOWS Starting from VS2013, GetVersionEx is deprecated and we are recommended to use
# VerifyVersionInfo instead
# http://msdn.microsoft.com/en-us/library/windows/desktop/ms724429(v=vs.85).aspx
# http://msdn.microsoft.com/en-us/library/windows/desktop/ms725491(v=vs.85).aspx
# To continue to use GetVersionEx, we can define BUILD_WINDOWS
# -D_ALLOW_KEYWORD_MACROS For VS2012 onwards the, C++ STL does not permit macro redefinitions of keywords
# (see http://msdn.microsoft.com/en-us/library/bb531344(v=vs.110).aspx)
# This definition prevents the complaint about the redefinition of inline by WinPCap
# in pcap-stdinc.h when compiling C++ files, e.g. the Qt UI
/DPSAPI_VERSION=1
/DBUILD_WINDOWS
/D_ALLOW_KEYWORD_MACROS
)
if(NOT "${WIRESHARK_TARGET_PLATFORM}" STREQUAL "win64")
add_definitions("/D_BIND_TO_CURRENT_CRT_VERSION=1")
endif()
# FIXME: WINPCAP_VERSION cannot be determined from source or executable.
set(WINPCAP_VERSION "4_1_3")
add_definitions("/DWINPCAP_VERSION=${WINPCAP_VERSION}")
set(LOCAL_CFLAGS
/MP
)
if(MSVC12)
# /Zo Enhanced debugging of optimised code for VS2013 Update 3 and beyond,
# Assume all VS2013 builds are at least Update 3.
# See http://msdn.microsoft.com/en-us/library/dn785163.aspx
set(LOCAL_CFLAGS ${LOCAL_CFLAGS} "/Zo")
elseif(MSVC14)
# /Zo Enhanced debugging of optimised code
# VS2015(MSVC14): On by default when /Zi or /Z7 used.
set(LOCAL_CFLAGS ${LOCAL_CFLAGS} "/Zo")
endif()
if(ENABLE_CODE_ANALYSIS)
set(LOCAL_CFLAGS ${LOCAL_CFLAGS} "/analyze:WX-")
endif()
# Additional compiler warnings to be treated as "Level 3"
# when compiling Wireshark sources. (Selected from "level 4" warnings).
## 4295: array is too small to include a terminating null character
## 4189: local variable is initialized but not referenced
set(WARNINGS_CFLAGS "/w34295 /w34189")
set(WIRESHARK_COMMON_FLAGS
${LOCAL_CFLAGS}
${WARNINGS_CFLAGS}
)
# Set in Makefile.nmake
set(WS_LINK_FLAGS "/LARGEADDRESSAWARE /MANIFEST:NO /INCREMENTAL:NO /RELEASE")
else()
if(CMAKE_OSX_DEPLOYMENT_TARGET)
if(APPLE)
if(${CMAKE_OSX_DEPLOYMENT_TARGET} STREQUAL "10.0")
message(FATAL_ERROR "We don't support building for OS X 10.0")
elseif(${CMAKE_OSX_DEPLOYMENT_TARGET} STREQUAL "10.1")
message(FATAL_ERROR "We don't support building for OS X 10.1")
elseif(${CMAKE_OSX_DEPLOYMENT_TARGET} STREQUAL "10.2")
message(FATAL_ERROR "We don't support building for OS X 10.2")
elseif(${CMAKE_OSX_DEPLOYMENT_TARGET} STREQUAL "10.4" OR ${CMAKE_OSX_DEPLOYMENT_TARGET} STREQUAL "10.5")
#
# Only 32-bit builds are supported. 10.5
# (and 10.4?) had a bug that causes some BPF
# functions not to work with 64-bit userland
# code, so capturing won't work.
#
set(CMAKE_C_FLAGS "-m32 ${CMAKE_C_FLAGS}")
set(CMAKE_CXX_FLAGS "-m32 ${CMAKE_CXX_FLAGS}")
set(WS_LINK_FLAGS "-m32 ${WS_LINK_FLAGS}")
endif()
message(STATUS "Building for OS X ${CMAKE_OSX_DEPLOYMENT_TARGET}")
else()
message(FATAL_ERROR "CMAKE_OSX_DEPLOYMENT_TARGET only applies when building for OS X")
endif()
endif()
set(WIRESHARK_COMMON_FLAGS
# The following are for C and C++
# -O<X> and -g get set by the CMAKE_BUILD_TYPE
-Wall
-Wextra
-Wendif-labels
-Wpointer-arith
-Wformat-security
-fwrapv
-fno-strict-overflow
-Wvla
-Waddress
-Wattributes
-Wdiv-by-zero
-Wignored-qualifiers
-Wpragmas
-Wno-overlength-strings
-Wno-long-long
-Wheader-guard
)
set(WIRESHARK_C_ONLY_FLAGS
# The following are C only, not C++
-Wc++-compat
-Wdeclaration-after-statement
-Wshadow
-Wno-pointer-sign
-Wold-style-definition
-Wstrict-prototypes
-Wlogical-op
-Wjump-misses-init
-Wunused-const-variable
# The Qt headers generate a ton of shortening errors on 64-bit systems
# so only enable this for C for now.
-Wshorten-64-to-32
# Clang only
-Wc99-extensions
)
set(WIRESHARK_CXX_ONLY_FLAGS
)
set(WIRESHARK_EXTRA_COMPILER_COMMON_FLAGS
# The following are for C and C++
-Wpedantic
#
# As we use variadic macros, we don't want warnings
# about them, even with -Wpedantic.
#
-Wno-variadic-macros
#
# Various code blocks this one.
#
-Woverflow
-fstrict-overflow -Wstrict-overflow=4
#
# Due to various places where APIs we don't control
# require us to cast away constness, we can probably
# never enable this one with -Werror.
#
-Wcast-qual
#
# Some generated ASN.1 dissectors block this one;
# multiple function declarations for the same
# function are being generated.
#
-Wredundant-decls
#
# Some loops are safe, but it's hard to convince the
# compiler of that.
#
-Wunsafe-loop-optimizations
#
# All the registration functions block these for now.
#
-Wmissing-prototypes
-Wmissing-declarations
#
# A bunch of "that might not work on SPARC" code blocks
# this one for now.
#
-Wcast-align
#
# Works only with Clang
#
-Wunreachable-code
#
# Works only with Clang but generates a lot of warnings
# (about glib library not using Doxygen)
#
-Wdocumentation
#
# No longer supported by El Capitan clang on C++
#
-fno-delete-null-pointer-checks
)
set(WIRESHARK_EXTRA_COMPILER_C_ONLY_FLAGS
# The following are C only, not C++
#
# Due to various places where APIs we don't control
# require us to cast away constness, we can probably
# never enable this one with -Werror.
#
-Wbad-function-cast
)
set(WIRESHARK_EXTRA_COMPILER_CXX_ONLY_FLAGS
)
if(CMAKE_C_COMPILER_ID MATCHES "Clang")
set(WIRESHARK_COMMON_FLAGS ${WIRESHARK_COMMON_FLAGS}
# avoid "argument unused during compilation" warnings
# (for example, when getting the -gsplit-dwarf option or
# when combining -fwrapv with -fno-strict-overflow)
-Qunused-arguments
)
set(WIRESHARK_CXX_ONLY_FLAGS ${WIRESHARK_CXX_ONLY_FLAGS}
)
else()
set(WIRESHARK_COMMON_FLAGS ${WIRESHARK_COMMON_FLAGS}
-fexcess-precision=fast
)
set(WIRESHARK_C_ONLY_FLAGS ${WIRESHARK_C_ONLY_FLAGS}
)
endif()
if(ENABLE_EXTRA_COMPILER_WARNINGS) # This overrides -Werror
set(WIRESHARK_COMMON_FLAGS ${WIRESHARK_COMMON_FLAGS} ${WIRESHARK_EXTRA_COMPILER_COMMON_FLAGS})
set(WIRESHARK_C_ONLY_FLAGS ${WIRESHARK_C_ONLY_FLAGS} ${WIRESHARK_EXTRA_COMPILER_C_ONLY_FLAGS})
set(WIRESHARK_CXX_ONLY_FLAGS ${WIRESHARK_CXX_ONLY_FLAGS} ${WIRESHARK_EXTRA_COMPILER_CXX_ONLY_FLAGS})
endif()
add_definitions(
-DG_DISABLE_DEPRECATED
-DG_DISABLE_SINGLE_INCLUDES
)
endif()
set( C_FLAG_TESTS ${WIRESHARK_COMMON_FLAGS} ${WIRESHARK_C_ONLY_FLAGS} )
set( CXX_FLAG_TESTS ${WIRESHARK_COMMON_FLAGS} ${WIRESHARK_CXX_ONLY_FLAGS} )
# Counterhack to work around some cache magic in CHECK_C_SOURCE_COMPILES
include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)
if(ENABLE_STATIC)
set(BUILD_SHARED_LIBS 0)
set(LINK_MODE_LIB STATIC)
set(LINK_MODE_MODULE STATIC)
else()
set(BUILD_SHARED_LIBS 1)
set(LINK_MODE_LIB SHARED)
set(LINK_MODE_MODULE MODULE)
endif()
# Sigh: Have to use THIS_FLAG instead of ${F} for some reason
foreach(THIS_FLAG ${C_FLAG_TESTS})
string( REGEX REPLACE "[^a-zA-Z0-9_]+" "_" F ${THIS_FLAG} )
set(${F} ${THIS_FLAG})
set(V C_${F}_VALID)
message(STATUS "Checking for c-compiler flag: ${THIS_FLAG}")
check_c_compiler_flag("${ADDED_CMAKE_C_FLAGS} ${${F}}" ${V})
if (${${V}})
set(ADDED_CMAKE_C_FLAGS "${ADDED_CMAKE_C_FLAGS} ${${F}}")
endif()
endforeach()
set(CMAKE_C_FLAGS "${ADDED_CMAKE_C_FLAGS} ${CMAKE_C_FLAGS}")
foreach(THIS_FLAG ${CXX_FLAG_TESTS})
string( REGEX REPLACE "[^a-zA-Z0-9_]+" "_" F ${THIS_FLAG} )
set(${F} ${THIS_FLAG})
set(V CXX_${F}_VALID)
message(STATUS "Checking for c++-compiler flag: ${THIS_FLAG}")
check_cxx_compiler_flag("${ADDED_CMAKE_CXX_FLAGS} ${${F}}" ${V})
if (${${V}})
set(ADDED_CMAKE_CXX_FLAGS "${ADDED_CMAKE_CXX_FLAGS} ${${F}}")
endif()
endforeach()
set(CMAKE_CXX_FLAGS "${ADDED_CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS}")
if(ENABLE_ASAN)
set(CMAKE_REQUIRED_LIBRARIES "-fsanitize=address")
check_c_compiler_flag(-fsanitize=address C__fsanitize_address_VALID)
check_cxx_compiler_flag(-fsanitize=address CXX__fsanitize_address_VALID)
set(CMAKE_REQUIRED_LIBRARIES "")
if(NOT C__fsanitize_address_VALID OR NOT CXX__fsanitize_address_VALID)
message(FATAL_ERROR "ENABLE_ASAN was requested, but not supported!")
endif()
set(CMAKE_C_FLAGS "-fsanitize=address ${CMAKE_C_FLAGS}")
set(CMAKE_CXX_FLAGS "-fsanitize=address ${CMAKE_CXX_FLAGS}")
endif()
if(NOT DISABLE_WERROR AND NOT ENABLE_EXTRA_COMPILER_WARNINGS)
if(CMAKE_C_COMPILER_ID MATCHES "MSVC")
set(WERROR_COMMON_FLAGS "/WX")
set(NO_ERROR_DEPRECATED_DECLARATIONS_COMPILE_FLAGS)
else()
check_c_compiler_flag(-Werror WERROR)
if (WERROR)
set(WERROR_COMMON_FLAGS "-Werror")
set(NO_ERROR_DEPRECATED_DECLARATIONS_COMPILE_FLAGS "-Wno-error=deprecated-declarations")
endif()
endif()
else()
set(WERROR_COMMON_FLAGS FALSE)
endif()
#
# Try to have the compiler default to hiding symbols, so that only
# symbols explicitly exported with WS_DLL_PUBLIC will be visible
# outside (shared) libraries; that way, more UN*X builds will catch
# failures to export symbols, rather than having that fail only on
# Windows.
#
# We don't need that with MSVC, as that's the default.
#
if( NOT CMAKE_C_COMPILER_ID MATCHES "MSVC")
#
# Try the GCC-and-compatible -fvisibility-hidden first.
#
check_c_compiler_flag(-fvisibility=hidden FVHIDDEN)
if(FVHIDDEN)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility=hidden")
else()
#
# OK, try the Sun^WOracle C -xldscope=hidden
#
check_c_compiler_flag(-xldscope=hidden XLDSCOPEHIDDEN)
if(XLDSCOPEHIDDEN)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -xldscope=hidden")
else()
#
# Anything else?
# If there is anything else, we might want to
# make a list of options to try, and try them
# in a loop.
#
message(WARNING "Hiding shared library symbols is not supported by the compiler."
" All shared library symbols will be exported.")
endif()
endif()
endif()
if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
set (C_UNUSED "__attribute__((unused))" )
set (WS_NORETURN "__attribute__((noreturn))")
elseif(MSVC)
set (C_UNUSED "")
set (WS_NORETURN "__declspec(noreturn)")
else()
set (C_UNUSED "")
set (WS_NORETURN "")
endif()
set(WIRESHARK_LD_FLAGS
-Wl,--as-needed
# -flto
# -fwhopr
# -fwhole-program
)
# CMAKE_POSITION_INDEPENDENT_CODE is only supported starting with CMake
# 2.8.9. Do not add -pie automatically for older versions.
#
# XXX - are there other compilers that don't support -pie? It's
# not as if the only platforms we support are Windows and Linux....
#
if(NOT CMAKE_VERSION VERSION_LESS "2.8.9")
set(WIRESHARK_LD_FLAGS ${WIRESHARK_LD_FLAGS}
-pie
)
endif()
include(CheckCLinkerFlag)
set(_C 0)
# Sigh: Have to use THIS_FLAG instead of ${F} for some reason
foreach(THIS_FLAG ${WIRESHARK_LD_FLAGS})
set(F WS_LD_FLAG_${_C})
set(${F} ${THIS_FLAG})
set(V WS_LD_FLAG_VALID${_C})
check_c_linker_flag(${${F}} ${V})
if (${${V}})
set(WS_LINK_FLAGS "${WS_LINK_FLAGS} ${${F}}")
endif()
math(EXPR _C "${_C} + 1")
endforeach()
if(APPLE AND EXISTS /usr/local/opt/gettext)
# GLib on OS X requires libintl. Homebrew installs gettext (and
# libintl) in /usr/local/opt/gettext
include_directories(/usr/local/opt/gettext/include)
link_directories(/usr/local/opt/gettext/lib)
endif()
# The packagelist is doing some magic: If we add XXX to the packagelist, we
# - may optionally set XXX_OPTIONS to pass to the find_package command
# - will call FindXXX.cmake
# - return found libraries in XXX_LIBRARIES
# - return found include in XXX_INCLUDE_DIRS
# - set HAVE_XXX
#The minimum package list
set(PACKAGELIST Gettext M Git GLIB2 GMODULE2 GTHREAD2 LEX YACC Perl SED SH PythonInterp)
set(LEX_REQUIRED TRUE)
set(GLIB2_REQUIRED TRUE)
set(GLIB2_FIND_REQUIRED TRUE)
set(GLIB2_MIN_VERSION 2.14.0)
set(GTHREAD2_REQUIRED TRUE)
set(PythonInterp_FIND_VERSION 2)
set(Python_ADDITIONAL_VERSIONS 3)
set(YACC_REQUIRED TRUE)
if (NOT WIN32)
set(M_REQUIRED TRUE)
endif()
set(PACKAGELIST ${PACKAGELIST} LIBSSH)
set(LIBSSH_OPTIONS "0.6")
if(ENABLE_PCAP)
set(PACKAGELIST ${PACKAGELIST} PCAP)
endif()
if(ENABLE_AIRPCAP)
set(PACKAGELIST ${PACKAGELIST} AIRPCAP)
endif()
# Build the GTK-GUI?
if(BUILD_wireshark_gtk)
if(ENABLE_GTK3)
set(PACKAGELIST ${PACKAGELIST} GTK3)
else()
set(PACKAGELIST ${PACKAGELIST} GTK2)
set(GTK2_OPTIONS COMPONENTS gtk)
set(GTK2_FIND_VERSION 2.12)
set(GTK2_DEBUG false)
endif()
endif()
# Build the Qt GUI?
if(BUILD_wireshark)
if(ENABLE_QT5)
# Untested, may not work if CMAKE_PREFIX_PATH gets overwritten
# somewhere. The if WIN32 in this place is annoying as well.
if( WIN32 )
set( QT5_BASE_PATH "$ENV{QT5_BASE_DIR}" )
set( CMAKE_PREFIX_PATH "${QT5_BASE_PATH}" )
endif()
set(PACKAGELIST ${PACKAGELIST}
Qt5Core
Qt5LinguistTools
Qt5Multimedia
Qt5PrintSupport
Qt5Svg
Qt5Widgets
)
if (APPLE)
set(PACKAGELIST ${PACKAGELIST} Qt5MacExtras)
endif()
if( WIN32 )
set(PACKAGELIST ${PACKAGELIST} Qt5WinExtras)
endif()
set(QT_VERSION 5)
else()
set(PACKAGELIST ${PACKAGELIST} Qt4)
set(Qt4_OPTIONS 4.7.1 REQUIRED QtCore QtGui)
set(QT_VERSION 4)
endif()
endif()
# SMI SNMP
if(ENABLE_SMI)
set(PACKAGELIST ${PACKAGELIST} SMI)
endif()
# GNU crypto
if(ENABLE_GCRYPT)
set(PACKAGELIST ${PACKAGELIST} GCRYPT)
# Minimum version needed.
set(GCRYPT_OPTIONS "1.4.2")
endif()
# GNU SSL/TLS support
if(ENABLE_GNUTLS)
set(PACKAGELIST ${PACKAGELIST} GNUTLS)
# Minimum version needed.
set(GNUTLS_OPTIONS "2.12.0")
endif()
# Kerberos
if(ENABLE_KERBEROS)
set(PACKAGELIST ${PACKAGELIST} KERBEROS)
endif()
# Portable audio (GTK+ only)
if(ENABLE_PORTAUDIO AND BUILD_wireshark_gtk)
set(PACKAGELIST ${PACKAGELIST} PORTAUDIO)
endif()
# C Asynchronous resolver
if(ENABLE_CARES)
set(PACKAGELIST ${PACKAGELIST} CARES)
endif()
# Zlib compression
if(ENABLE_ZLIB)
if (WIN32)
# On Windows we build our own version of zlib, so add the paths
set(ZLIB_SRC_DIR "${_PROJECT_LIB_DIR}/zlib-1.2.8-ws")
set(SKIP_INSTALL_ALL True) # We copy the DLL ourselves.
add_subdirectory("${ZLIB_SRC_DIR}" "${CMAKE_BINARY_DIR}/zlib")
unset(SKIP_INSTALL_ALL)
set(ZLIB_INCLUDE_DIR "${ZLIB_SRC_DIR}" "${CMAKE_BINARY_DIR}/zlib")
set(ZLIB_LIBRARY zlib)
set(ZLIB_DLL "zlib1.dll")
set_target_properties(zlib PROPERTIES FOLDER "Libs/zlib")
# Annoyingly zlib also builds some other stuff we aren't interested in
set_target_properties(zlibstatic PROPERTIES FOLDER "Libs/zlib")
endif()
set(PACKAGELIST ${PACKAGELIST} ZLIB)
endif()
# Embedded Lua interpreter
if(ENABLE_LUA)
set(PACKAGELIST ${PACKAGELIST} LUA)
endif()
# GeoIP address resolving
if(ENABLE_GEOIP)
set(PACKAGELIST ${PACKAGELIST} GEOIP)
endif()
if(ENABLE_NETLINK)
set(PACKAGELIST ${PACKAGELIST} NL)
endif()
if(ENABLE_SBC)
set(PACKAGELIST ${PACKAGELIST} SBC)
endif()
# Capabilities
if(ENABLE_CAP)
set(PACKAGELIST ${PACKAGELIST} CAP SETCAP)
endif()
# Windows version updates
if(ENABLE_WINSPARKLE)
set(PACKAGELIST ${PACKAGELIST} WINSPARKLE)
endif()
set(PACKAGELIST ${PACKAGELIST} YAPP)
set(PACKAGELIST ${PACKAGELIST} POD)
if(ENABLE_HTML_GUIDES)
set(PACKAGELIST ${PACKAGELIST} DOXYGEN)
endif()
set(PROGLIST)
# Sort the package list
list(SORT PACKAGELIST)
message(STATUS "Packagelist: ${PACKAGELIST}")
# Let's loop the package list
foreach(PACKAGE ${PACKAGELIST})
if(${PACKAGE} STREQUAL "Qt4")
set(PACKAGE_VAR "QT")
elseif(${PACKAGE} STREQUAL "PythonInterp")
set(PACKAGE_VAR "PYTHONINTERP")
elseif(${PACKAGE} STREQUAL "Gettext")
set(PACKAGE_VAR "GETTEXT")
elseif(${PACKAGE} STREQUAL "Perl")
set(PACKAGE_VAR "PERL")
else()
set(PACKAGE_VAR ${PACKAGE})
endif()
if(${PACKAGE}_OPTIONS)
find_package(${PACKAGE} ${${PACKAGE}_OPTIONS})
elseif(${PACKAGE}_REQUIRED)
find_package(${PACKAGE} REQUIRED)
else()
find_package(${PACKAGE})
endif()
if (${PACKAGE_VAR}_FOUND)
message(STATUS "${PACKAGE_VAR} FOUND")
set(HAVE_LIB${PACKAGE_VAR} 1)
include_directories(SYSTEM ${${PACKAGE_VAR}_INCLUDE_DIRS})
set(WS_ALL_LIBS ${WS_ALL_LIBS} ${${PACKAGE_VAR}_LIBRARIES})
message(STATUS "${PACKAGE} includes: ${${PACKAGE_VAR}_INCLUDE_DIRS}")
message(STATUS "${PACKAGE} libs: ${${PACKAGE_VAR}_LIBRARIES}")
if (${PACKAGE}_DEFINITIONS)
message(STATUS "${PACKAGE} definitions: ${${PACKAGE_VAR}_DEFINITIONS}")
endif()
if (${PACKAGE_VAR}_EXECUTABLE)
message(STATUS "${PACKAGE} executable: ${${PACKAGE_VAR}_EXECUTABLE}")
endif()
else()
#
# Not finding a package is only a fatal error if the
# package is required; if it's required, then its
# XXX_REQUIRED variable is set to TRUE, and the above
# code will pass REQUIRED to find_package, and the
# configure will fail if the package isn't found.
#
# Do *NOT* report this as an error!
#
message(STATUS "${PACKAGE_VAR} NOT FOUND")
endif()
endforeach()
# Provide Windows system lib names
include( UseWinLibs )
#packaging
include(CPackConfig.txt)
if(HAVE_LIBAIRPCAP)
set(HAVE_AIRPCAP 1)
endif()
if(HAVE_LIBLUA)
set(HAVE_LUA_H 1)
set(HAVE_LUA 1)
endif()
if(HAVE_LIBKERBEROS)
set(HAVE_KERBEROS 1)
endif()
if(HAVE_LIBGEOIP)
set(HAVE_GEOIP 1)
endif()
if(LIBSSH_FOUND)
set(HAVE_LIBSSH 1)
endif()
if(HAVE_LIBCARES)
set(HAVE_C_ARES 1)
endif()
if(NOT HAVE_LIBCARES)
message(WARNING "Not using c-ares.")
message(WARNING "DNS name resolution for captures will be disabled.")
endif()
if(HAVE_LIBNL AND HAVE_AIRPCAP)
message(ERROR "Airpcap and Libnl support are mutually exclusive")
endif()
if(HAVE_LIBSBC)
set(HAVE_SBC 1)
endif()
if(EXTCAP_ANDROIDDUMP_LIBPCAP)
set(ANDROIDDUMP_USE_LIBPCAP 1)
endif()
if (HAVE_LIBWINSPARKLE)
set(HAVE_SOFTWARE_UPDATE 1)
endif()
# No matter which version of GTK is present
if(GTK2_FOUND OR GTK3_FOUND)
set(GTK_FOUND ON)
endif()
if(HAVE_LIBZLIB)
set(HAVE_ZLIB 1)
# Always include the "true" zlib includes first. This works around a
# bug in the Windows setup of GTK[23] which has a faulty zconf.h.
include_directories(BEFORE ${ZLIB_INCLUDE_DIRS})
endif()
if (Qt5Widgets_FOUND)
#
# Qt5CoreConfigExtras.cmake in Qt 5.5.0 sets -fPIC unconditionally:
#
# https://bugreports.qt.io/browse/QTBUG-47942
#
# There's a fix in Gerrit for that:
#
# https://codereview.qt-project.org/#/c/139645/
#
# Do the same check as that fix does and, if the check says we
# should *not* add -fPIC, remove it.
#
# XXX - if that check gets changed in the future, we'll have to
# detect that and change it.
#
if (CMAKE_VERSION VERSION_LESS 2.8.12
AND (CMAKE_CXX_COMPILER_ID STREQUAL \"GNU\"
AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0))
#
# Yes, it should have been; leave it there.
#
else()
#
# No, it shouldn't have been; remove it.
#
list(REMOVE_ITEM Qt5Widgets_EXECUTABLE_COMPILE_FLAGS "-fPIC")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${Qt5Widgets_EXECUTABLE_COMPILE_FLAGS}")
set (QT_FOUND ON)
set (QT_LIBRARIES ${Qt5Widgets_LIBRARIES} ${Qt5PrintSupport_LIBRARIES})
if(Qt5Multimedia_FOUND)
set (QT_LIBRARIES ${QT_LIBRARIES} ${Qt5Multimedia_LIBRARIES})
# That's the name autofoo uses
set(QT_MULTIMEDIA_LIB 1)
endif()
if(Qt5Svg_FOUND)
set (QT_LIBRARIES ${QT_LIBRARIES} ${Qt5Svg_LIBRARIES})
# That's the name autofoo uses
set(QT_SVG_LIB 1)
endif()
if(Qt5MacExtras_FOUND)
set (QT_LIBRARIES ${QT_LIBRARIES} ${Qt5MacExtras_LIBRARIES})
# That's the name autofoo uses
set(QT_MACEXTRAS_LIB 1)
endif()
if(Qt5WinExtras_FOUND)
set (QT_LIBRARIES ${QT_LIBRARIES} ${Qt5WinExtras_LIBRARIES})
# set(QT_WINEXTRAS_LIB 1) # Not needed?
endif()
if(NOT DEFINED MOC_OPTIONS)
# Squelch moc verbose "nothing to do" output
set(MOC_OPTIONS -nn)
endif()
# If Qt4: QT_LIBRARIES and QT_INCLUDES are not set above. They require extra magic
elseif(QT_FOUND)
include(${QT_USE_FILE})
include_directories(${QT_INCLUDE_DIR})
message(STATUS "Qt includes: ${QT_INCLUDE_DIR}")
message(STATUS "Qt libs: ${QT_LIBRARIES}")
if(QT_QTMULTIMEDIA_FOUND)
include_directories(${QT_QTMULTIMEDIA_INCLUDE_DIR})
message(STATUS "QtMultimedia includes: ${QT_INCLUDE_DIR}")
set (QT_LIBRARIES ${QT_LIBRARIES} ${QT_QTMULTIMEDIA_LIBRARY})
message(STATUS "QtMultimedia libs: ${QT_QTMULTIMEDIA_LIBRARY}")
# That's the name autofoo uses
set(QT_MULTIMEDIA_LIB 1)
endif()
if(NOT DEFINED MOC_OPTIONS)
if(QT_VERSION_MAJOR EQUAL 4 AND QT_VERSION_MINOR GREATER 7)
set(MOC_OPTIONS -nn)
endif()
endif()
endif()
if(ENABLE_CHECKHF_CONFLICT)
set(ENABLE_CHECK_FILTER 1)
endif()
message(STATUS "C-Flags: ${CMAKE_C_FLAGS}")
message(STATUS "CXX-Flags: ${CMAKE_CXX_FLAGS}")
message(STATUS "Warnings as errors: ${WERROR_COMMON_FLAGS}")
if(APPLE)
#
# We assume that APPLE means OS X so that we have the OS X
# frameworks.
#