Use ws_printf routines everywhere in column-utils.c.
[gd/wireshark/.git] / CMakeLists.txt
index fcc3ea49adca7bacebfc0a3dc3317948efc0ec01..488e451e72fb039dd0df0e41c69021882abae3ce 100644 (file)
@@ -177,10 +177,15 @@ include(CMakeInstallDirs)
 # Updated by make-version.pl
 set(GIT_REVISION 0)
 set(PROJECT_MAJOR_VERSION 2)
-set(PROJECT_MINOR_VERSION 1)
+set(PROJECT_MINOR_VERSION 3)
 set(PROJECT_PATCH_VERSION 0)
 set(PROJECT_BUILD_VERSION ${GIT_REVISION})
-set(PROJECT_VERSION_EXTENSION "$ENV{WIRESHARK_VERSION_EXTRA}")
+set(PROJECT_VERSION_EXTENSION "")
+
+if(DEFINED 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.
@@ -249,7 +254,6 @@ if( CMAKE_C_COMPILER_ID MATCHES "MSVC")
                /DWIN32_LEAN_AND_MEAN
                "/DMSC_VER_REQUIRED=${MSC_VER_REQUIRED}"
                /D_CRT_SECURE_NO_DEPRECATE
-               /D_CRT_NONSTDC_NO_DEPRECATE
                # NOMINMAX keeps windows.h from defining "min" and "max" via windef.h.
                # This avoids conflicts with the C++ standard library.
                /DNOMINMAX
@@ -291,8 +295,9 @@ if( CMAKE_C_COMPILER_ID MATCHES "MSVC")
                set(LOCAL_CFLAGS ${LOCAL_CFLAGS} "/Zo")
        elseif(MSVC14)
                # /Zo                               Enhanced debugging of optimised code
+               # /utf-8                            Set Source and Executable character sets to UTF-8
                #                                   VS2015(MSVC14): On by default when /Zi or /Z7 used.
-               set(LOCAL_CFLAGS ${LOCAL_CFLAGS} "/Zo")
+               set(LOCAL_CFLAGS ${LOCAL_CFLAGS} "/Zo" "/utf-8")
        endif()
 
        if(ENABLE_CODE_ANALYSIS)
@@ -310,7 +315,6 @@ if( CMAKE_C_COMPILER_ID MATCHES "MSVC")
                ${WARNINGS_CFLAGS}
        )
 
-       # Set in Makefile.nmake
        set(WS_LINK_FLAGS "/LARGEADDRESSAWARE /MANIFEST:NO /INCREMENTAL:NO /RELEASE")
 
 else()
@@ -358,7 +362,6 @@ else()
                -Wno-overlength-strings
                -Wno-long-long
                -Wheader-guard
-               -Wunused-const-variable
        )
 
        set(WIRESHARK_C_ONLY_FLAGS
@@ -371,9 +374,12 @@ else()
                -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
@@ -466,21 +472,6 @@ else()
                )
        endif()
 
-       set(WIRESHARK_ASAN_FLAGS
-               # With Clang >= 3.5 Leak detection is enable by default
-               # and no yet all leak is fixed...
-               # use ASAN_OPTIONS=detect_leaks=0 to disable detect_leaks
-               -fsanitize=address
-               -fsanitize=undefined # compile and runtime checks
-               # -fsanitize=float-divide-by-zero
-               # -fsanitize=float-cast-overflow
-               # -fno-sanitize-recover # Abort during runtime
-       )
-
-       if(ENABLE_ASAN)
-               set(WIRESHARK_COMMON_FLAGS ${WIRESHARK_COMMON_FLAGS} ${WIRESHARK_ASAN_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})
@@ -535,6 +526,18 @@ foreach(THIS_FLAG ${CXX_FLAG_TESTS})
 endforeach()
 set(CMAKE_CXX_FLAGS "${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")
@@ -935,6 +938,17 @@ if (Qt5Widgets_FOUND)
                #
                list(REMOVE_ITEM Qt5Widgets_EXECUTABLE_COMPILE_FLAGS "-fPIC")
        endif()
+       if (Qt5Widgets_VERSION VERSION_GREATER 5.6
+           AND (CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang"))
+               # Qt 5.7 and later require C++ 11. If our minmimu required CMake version
+               # is ever >= 3.1 we can use CXX_STANDARD + CXX_STANDARD_REQUIRED.
+               message(STATUS "Checking for C++ 11 support (Required by Qt 5.7 and later)")
+               check_cxx_compiler_flag(-std=c++11 CXX__std_c__11_VALID)
+               if(NOT CXX__std_c__11_VALID)
+                       message(FATAL_ERROR "Qt ${Qt5Widgets_VERSION} requires C++ 11")
+               endif()
+               set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+       endif()
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${Qt5Widgets_EXECUTABLE_COMPILE_FLAGS}")
        set (QT_FOUND ON)
        set (QT_LIBRARIES ${Qt5Widgets_LIBRARIES} ${Qt5PrintSupport_LIBRARIES})
@@ -1009,6 +1023,15 @@ test_big_endian(WORDS_BIGENDIAN)
 
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
+# The top level checkAPIs target, add before subdirectory calls so it's avaiable to all
+add_custom_target(checkAPI)
+set_target_properties(checkAPI
+       PROPERTIES
+               FOLDER "Auxiliary"
+               EXCLUDE_FROM_ALL True
+               EXCLUDE_FROM_DEFAULT_BUILD True
+)
+
 add_subdirectory( capchild )
 add_subdirectory( caputils )
 add_subdirectory( codecs )
@@ -1154,17 +1177,16 @@ if (${GIT_EXECUTABLE})
        set(GIT_BIN_PARAM "--git-bin ${GIT_EXECUTABLE}")
 endif()
 set( VERSION ${PROJECT_VERSION} )
-execute_process(
+add_custom_target(version
        COMMAND ${PERL_EXECUTABLE}
-               ${CMAKE_CURRENT_SOURCE_DIR}/make-version.pl
-               --print-vcs ${GIT_BIN_PARAM}
-               ${CMAKE_CURRENT_SOURCE_DIR}
-       OUTPUT_VARIABLE VERSION_H_CONTENT
+               ${CMAKE_SOURCE_DIR}/make-version.pl
+               --set-vcs ${GIT_BIN_PARAM}
+               ${CMAKE_SOURCE_DIR}
 )
+set_target_properties(version PROPERTIES FOLDER "Auxiliary")
+
 set( configure_input "Built with CMake ${CMAKE_VERSION}" )
 configure_file(${CMAKE_SOURCE_DIR}/cmakeconfig.h.in ${CMAKE_BINARY_DIR}/config.h)
-configure_file(${CMAKE_SOURCE_DIR}/version.h.in ${CMAKE_BINARY_DIR}/version.h)
-#set_target_properties(${CMAKE_BINARY_DIR}/version.h PROPERTIES FOLDER "Auxiliary")
 
 set( prefix "${CMAKE_INSTALL_PREFIX}" )
 set( exec_prefix "\${prefix}" )
@@ -1249,6 +1271,7 @@ set(SHARK_COMMON_SRC
        cfile.c
        frame_tvbuff.c
        sync_pipe_write.c
+       ws_version_info.c
 )
 
 # sources for external capture interfaces
@@ -1257,6 +1280,7 @@ if(ENABLE_EXTCAP)
                ${SHARK_COMMON_SRC}
                extcap.c
                extcap_parser.c
+               extcap_spawn.c
        )
 endif()
 
@@ -1317,6 +1341,7 @@ set(INSTALL_FILES
        ${CMAKE_BINARY_DIR}/doc/androiddump.html
        ${CMAKE_BINARY_DIR}/doc/capinfos.html
        ${CMAKE_BINARY_DIR}/doc/captype.html
+       ${CMAKE_BINARY_DIR}/doc/ciscodump.html
        ${CMAKE_BINARY_DIR}/doc/dftest.html
        ${CMAKE_BINARY_DIR}/doc/dumpcap.html
        ${CMAKE_BINARY_DIR}/doc/editcap.html
@@ -1395,20 +1420,6 @@ if(WIN32)
                )
        endforeach(_dll)
 
-
-       # Don't overwrite an exe if it's already there. We don't want to
-       # clobber any previous code signing.
-       file(GLOB _gspawn_helpers
-               RELATIVE "${GLIB2_DLL_DIR}"
-               "${GLIB2_DLL_DIR}/gspawn*.exe"
-       )
-       foreach(_gspawn_helper ${_gspawn_helpers})
-               add_custom_command(TARGET copy_cli_dlls PRE_BUILD
-                       COMMAND if not exist \"${_dll_output_dir_win}\\${_gspawn_helper}\" xcopy ${_gspawn_helper} "${_dll_output_dir_win}" /D /Y
-                       WORKING_DIRECTORY "${GLIB2_DLL_DIR}"
-               )
-       endforeach()
-
        # Optional
        if (AIRPCAP_FOUND)
                add_custom_command(TARGET copy_cli_dlls PRE_BUILD
@@ -1484,26 +1495,35 @@ if(WIN32)
                        COMMAND ${CMAKE_COMMAND} -E make_directory
                                "${_dll_output_dir}/snmp/mibs"
                        COMMAND ${CMAKE_COMMAND} -E copy_directory
-                               "${SMI_SHARE_DIR}/${SMI_DLL}/mibs/iana"
+                               "${SMI_SHARE_DIR}/mibs/iana"
                                "${_dll_output_dir}/snmp/mibs"
                        COMMAND ${CMAKE_COMMAND} -E copy_directory
-                               "${SMI_SHARE_DIR}/${SMI_DLL}/mibs/ietf"
+                               "${SMI_SHARE_DIR}/mibs/ietf"
                                "${_dll_output_dir}/snmp/mibs"
                        COMMAND ${CMAKE_COMMAND} -E copy_directory
-                               "${SMI_SHARE_DIR}/${SMI_DLL}/mibs/irtf"
+                               "${SMI_SHARE_DIR}/mibs/irtf"
                                "${_dll_output_dir}/snmp/mibs"
                        COMMAND ${CMAKE_COMMAND} -E copy_directory
-                               "${SMI_SHARE_DIR}/${SMI_DLL}/mibs/site"
+                               "${SMI_SHARE_DIR}/mibs/site"
                                "${_dll_output_dir}/snmp/mibs"
                        COMMAND ${CMAKE_COMMAND} -E copy_directory
-                               "${SMI_SHARE_DIR}/${SMI_DLL}/mibs/tubs"
+                               "${SMI_SHARE_DIR}/mibs/tubs"
                                "${_dll_output_dir}/snmp/mibs"
                        COMMAND ${CMAKE_COMMAND} -E copy_directory
-                               "${SMI_SHARE_DIR}/${SMI_DLL}/pibs"
+                               "${SMI_SHARE_DIR}/pibs"
                                "${_dll_output_dir}/snmp/mibs"
                        COMMAND ${CMAKE_COMMAND} -E copy_directory
-                               "${SMI_SHARE_DIR}/${SMI_DLL}/yang"
+                               "${SMI_SHARE_DIR}/yang"
                                "${_dll_output_dir}/snmp/mibs"
+                       #remove the extra directories copied (shallow copying the above would remove the need for this)
+                       COMMAND ${CMAKE_COMMAND} -E remove_directory
+                               "${_dll_output_dir}/snmp/mibs/iana"
+                       COMMAND ${CMAKE_COMMAND} -E remove_directory
+                               "${_dll_output_dir}/snmp/mibs/ietf"
+                       COMMAND ${CMAKE_COMMAND} -E remove_directory
+                               "${_dll_output_dir}/snmp/mibs/site"
+                       COMMAND ${CMAKE_COMMAND} -E remove_directory
+                               "${_dll_output_dir}/snmp/mibs/tubs"
                )
        endif(SMI_FOUND)
        if (WINSPARKLE_FOUND)
@@ -1794,6 +1814,7 @@ if(BUILD_wireshark AND QT_FOUND)
        endif()
 
        add_executable(wireshark WIN32 MACOSX_BUNDLE wireshark-qt.cpp ${wireshark_FILES} ${EXTRA_BUNDLE_FILES})
+       add_dependencies(wireshark version)
        set(PROGLIST ${PROGLIST} wireshark)
        set_target_properties(wireshark PROPERTIES LINK_FLAGS "${WS_LINK_FLAGS}")
        set_target_properties(wireshark PROPERTIES FOLDER "Executables")
@@ -1810,7 +1831,8 @@ if(BUILD_wireshark AND QT_FOUND)
                # convenience but makes debugging more difficult.
                file(REMOVE ${CMAKE_BINARY_DIR}/run/wireshark)
                file(WRITE ${CMAKE_BINARY_DIR}/run/wireshark "#!/bin/sh\n")
-               file(APPEND ${CMAKE_BINARY_DIR}/run/wireshark "open ${CMAKE_BINARY_DIR}/run/Wireshark.app --args \"\$\@\"\n")
+               file(APPEND ${CMAKE_BINARY_DIR}/run/wireshark "# Generated by ${CMAKE_CURRENT_LIST_FILE}\n")
+               file(APPEND ${CMAKE_BINARY_DIR}/run/wireshark "exec ${CMAKE_BINARY_DIR}/run/Wireshark.app/Contents/MacOS/Wireshark \"\$\@\"\n")
                execute_process(COMMAND chmod a+x ${CMAKE_BINARY_DIR}/run/wireshark)
        endif()
 
@@ -1947,6 +1969,7 @@ if(BUILD_wireshark_gtk AND GTK_FOUND)
        # wireshark and wireshark-gtk share wireshark_FILES
 
        add_executable(wireshark-gtk WIN32 ${wireshark_FILES})
+       add_dependencies(wireshark-gtk version)
        set(PROGLIST ${PROGLIST} wireshark-gtk)
        set_target_properties(wireshark-gtk PROPERTIES LINK_FLAGS "${WS_LINK_FLAGS}")
        set_target_properties(wireshark-gtk PROPERTIES FOLDER "Executables")
@@ -2058,6 +2081,7 @@ if(BUILD_tshark)
                ${CMAKE_BINARY_DIR}/image/tshark.rc
        )
        add_executable(tshark ${tshark_FILES})
+       add_dependencies(tshark version)
        set_extra_executable_properties(tshark "Executables")
        target_link_libraries(tshark ${tshark_LIBS})
        install(TARGETS tshark RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
@@ -2077,6 +2101,7 @@ if(BUILD_tfshark)
                ${CMAKE_BINARY_DIR}/image/tfshark.rc
        )
        add_executable(tfshark ${tfshark_FILES})
+       add_dependencies(tfshark version)
        set_extra_executable_properties(tfshark "Executables")
        target_link_libraries(tfshark ${tfshark_LIBS})
        install(TARGETS tfshark RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
@@ -2096,6 +2121,7 @@ if(BUILD_rawshark AND PCAP_FOUND)
                ${CMAKE_BINARY_DIR}/image/rawshark.rc
        )
        add_executable(rawshark ${rawshark_FILES})
+       add_dependencies(rawshark version)
        set_extra_executable_properties(rawshark "Executables")
        target_link_libraries(rawshark ${rawshark_LIBS})
        install(TARGETS rawshark RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
@@ -2110,6 +2136,7 @@ if(BUILD_dftest)
                ui/util.c
        )
        add_executable(dftest ${dftest_FILES})
+       add_dependencies(dftest version)
        set_extra_executable_properties(dftest "Tests")
        target_link_libraries(dftest ${dftest_LIBS})
        install(TARGETS dftest RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
@@ -2127,8 +2154,10 @@ if(BUILD_randpkt)
        )
        set(randpkt_FILES
                randpkt.c
+               ws_version_info.c
        )
        add_executable(randpkt ${randpkt_FILES})
+       add_dependencies(randpkt version)
        set_extra_executable_properties(randpkt "Executables")
        target_link_libraries(randpkt ${randpkt_LIBS})
        install(TARGETS randpkt RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
@@ -2143,15 +2172,17 @@ if(BUILD_text2pcap)
        )
        set(text2pcap_CLEAN_FILES
                text2pcap.c
+               ws_version_info.c
        )
        set(text2pcap_FILES
                ${text2pcap_CLEAN_FILES}
                ${CMAKE_BINARY_DIR}/image/text2pcap.rc
        )
-       add_lex_files(text2pcap_FILES
+       add_lex_files(text2pcap_LEX_FILES text2pcap_GENERATED_FILES
                text2pcap-scanner.l
        )
-       add_executable(text2pcap ${text2pcap_FILES})
+       add_executable(text2pcap ${text2pcap_FILES} ${text2pcap_GENERATED_FILES})
+       add_dependencies(text2pcap version)
        set_extra_executable_properties(text2pcap "Executables")
        target_link_libraries(text2pcap ${text2pcap_LIBS})
        install(TARGETS text2pcap RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
@@ -2165,9 +2196,11 @@ if(BUILD_mergecap)
        )
        set(mergecap_FILES
                mergecap.c
+               ws_version_info.c
                ${CMAKE_BINARY_DIR}/image/mergecap.rc
        )
        add_executable(mergecap ${mergecap_FILES})
+       add_dependencies(mergecap version)
        set_extra_executable_properties(mergecap "Executables")
        target_link_libraries(mergecap ${mergecap_LIBS})
        install(TARGETS mergecap RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
@@ -2181,9 +2214,11 @@ if(BUILD_reordercap)
        )
        set(reordercap_FILES
                reordercap.c
+               ws_version_info.c
                ${CMAKE_BINARY_DIR}/image/reordercap.rc
        )
        add_executable(reordercap ${reordercap_FILES})
+       add_dependencies(reordercap version)
        set_extra_executable_properties(reordercap "Executables")
        target_link_libraries(reordercap ${reordercap_LIBS})
        install(TARGETS reordercap RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
@@ -2199,9 +2234,11 @@ if(BUILD_capinfos)
        )
        set(capinfos_FILES
                capinfos.c
+               ws_version_info.c
                ${CMAKE_BINARY_DIR}/image/capinfos.rc
        )
        add_executable(capinfos ${capinfos_FILES})
+       add_dependencies(capinfos version)
        set_extra_executable_properties(capinfos "Executables")
        target_link_libraries(capinfos ${capinfos_LIBS})
        install(TARGETS capinfos RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
@@ -2216,9 +2253,11 @@ if(BUILD_captype)
        )
        set(captype_FILES
                captype.c
+               ws_version_info.c
                ${CMAKE_BINARY_DIR}/image/captype.rc
        )
        add_executable(captype ${captype_FILES})
+       add_dependencies(captype version)
        set_extra_executable_properties(captype "Executables")
        target_link_libraries(captype ${captype_LIBS})
        install(TARGETS captype RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
@@ -2232,9 +2271,11 @@ if(BUILD_editcap)
        )
        set(editcap_FILES
                editcap.c
+               ws_version_info.c
                ${CMAKE_BINARY_DIR}/image/editcap.rc
        )
        add_executable(editcap ${editcap_FILES})
+       add_dependencies(editcap version)
        set_extra_executable_properties(editcap "Executables")
        target_link_libraries(editcap ${editcap_LIBS})
        install(TARGETS editcap RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
@@ -2262,9 +2303,11 @@ if(BUILD_dumpcap AND PCAP_FOUND)
                filter_files.c
                ringbuffer.c
                sync_pipe_write.c
+               ws_version_info.c
                ${CMAKE_BINARY_DIR}/image/dumpcap.rc
        )
        add_executable(dumpcap ${dumpcap_FILES})
+       add_dependencies(dumpcap version)
        set_extra_executable_properties(dumpcap "Executables")
        target_link_libraries(dumpcap ${dumpcap_LIBS})
        install(TARGETS dumpcap
@@ -2301,6 +2344,13 @@ if (WIN32)
                ADD_NSIS_PACKAGE_TARGET()
        endif()
 
+       find_package( WiX )
+
+       if (NOT "${WIX_CANDLE_EXECUTABLE}" STREQUAL "WIX_CANDLE_EXECUTABLE-NOTFOUND")
+               add_subdirectory( packaging/wix EXCLUDE_FROM_ALL )
+               ADD_WIX_PACKAGE_TARGET()
+       endif()
+
        find_package( PortableApps )
        if (
                NOT "${PORTABLEAPPS_LAUNCHER_GENERATOR_EXECUTABLE}" STREQUAL "PORTABLEAPPS_LAUNCHER_GENERATOR_EXECUTABLE-NOTFOUND"
@@ -2349,7 +2399,7 @@ if(ENABLE_EXTCAP AND BUILD_sshdump AND LIBSSH_FOUND)
                ${LIBSSH_LIBRARIES}
        )
        if (WIN32)
-               set(sshdump_LIBS wsutil ${sshdump_LIBS})
+               set(sshdump_LIBS wsutil ${sshdump_LIBS})
        endif()
        set(sshdump_FILES
                extcap/sshdump.c
@@ -2375,7 +2425,7 @@ if(ENABLE_EXTCAP AND BUILD_ciscodump AND LIBSSH_FOUND)
                ${LIBSSH_LIBRARIES}
        )
        if (WIN32)
-               set(ciscodump_LIBS wsutil ${ciscodump_LIBS})
+               set(ciscodump_LIBS wsutil ${ciscodump_LIBS})
        endif()
        set(ciscodump_FILES
                extcap/ciscodump.c
@@ -2522,12 +2572,6 @@ install(
        PATTERN "faq.py" EXCLUDE
 )
 
-include( UseCheckAPI )
-CHECKAPI(
-       ${TSHARK_TAP_SRC}
-       ${WIRESHARK_SRC}
-)
-
 set(CMAKE_INSTALL_MODULES_DIR ${CMAKE_INSTALL_LIBDIR}/${CPACK_PACKAGE_NAME})
 configure_file("${CMAKE_MODULE_PATH}/WiresharkConfig.cmake.in" "${CMAKE_BINARY_DIR}/WiresharkConfig.cmake" @ONLY)
 configure_file("${CMAKE_MODULE_PATH}/WiresharkConfigVersion.cmake.in" "${CMAKE_BINARY_DIR}/WiresharkConfigVersion.cmake" @ONLY)
@@ -2629,6 +2673,17 @@ else ()
        endif()
 endif()
 
+include( UseCheckAPI )
+CHECKAPI(
+       NAME
+         main
+       SWITCHES
+         -build
+       SOURCES
+         ${WIRESHARK_SRC}
+         ${TSHARK_TAP_SRC}
+)
+
 #
 # Editor modelines  -  http://www.wireshark.org/tools/modelines.html
 #