mirror of https://github.com/getdnsapi/getdns.git
Shared libraries - move versioning and export list into functions.
Also for Windows add looking for a template .RC of the target name and adding that to the build too.
This commit is contained in:
Jim Hague
parent
7cf119fb6b
commit
4ab7f8f757
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@ -49,6 +49,9 @@ include(CTest)
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include(GNUInstallDirs)
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include(TestBigEndian)
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include(TargetSharedLibraryExports)
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include(TargetSharedLibraryVersion)
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# Target Platform
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if (WIN32 OR MINGW OR MSYS OR CYGWIN)
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set(HOSTOS "windows")
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@ -582,50 +585,19 @@ if (ENABLE_SHARED)
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target_link_libraries(getdns_shared PUBLIC Libidn2::Libidn2)
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endif ()
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set_target_properties(getdns_shared PROPERTIES OUTPUT_NAME getdns)
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if (NOT ENABLE_STATIC)
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add_library(getdns ALIAS getdns_shared)
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endif ()
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target_shared_library_version(getdns_shared ${GETDNS_VERSION_CURRENT} ${GETDNS_VERSION_REVISION} ${GETDNS_VERSION_AGE})
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# Generate platform-specific link file with the export symbols.
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file(STRINGS src/libgetdns.symbols symbols)
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if (WIN32)
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/getdns.def" "LIBRARY GETDNS\n VERSION ${GETDNS_VERSION_CURRENT}.${GETDNS_VERSION_REVISION}\n EXPORTS\n")
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foreach (symbol IN LISTS symbols)
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file(APPEND "${CMAKE_CURRENT_BINARY_DIR}/getdns.def" " ${symbol}\n")
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endforeach ()
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target_sources(getdns_shared PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/getdns.def")
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elseif (APPLE)
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/getdns.syms" "")
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foreach (symbol IN LISTS symbols)
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file(APPEND "${CMAKE_CURRENT_BINARY_DIR}/getdns.syms" "_${symbol}\n")
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endforeach ()
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target_sources(getdns_shared PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/getdns.syms")
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target_link_libraries(getdns_shared PRIVATE "-exported_symbols_list getdns.syms")
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target_shared_library_exports(getdns_shared getdns "${symbols}")
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# Follow libtool. Add one to major version, as version 0 doesn't work.
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# But tag dynlib name with current-age.
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math(EXPR major_version "${GETDNS_VERSION_CURRENT}+1")
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math(EXPR dynlib_version "${GETDNS_VERSION_CURRENT}-${GETDNS_VERSION_AGE}")
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set_target_properties(getdns_shared PROPERTIES VERSION "${dynlib_version}")
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target_link_libraries(getdns_shared PRIVATE "-compatibility_version ${major_version}")
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target_link_libraries(getdns_shared PRIVATE "-current_version ${major_version}.${GETDNS_VERSION_REVISION}")
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else ()
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# Assume GNU ld.
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/getdns.ver" "{ global:\n")
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foreach (symbol IN LISTS symbols)
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file(APPEND "${CMAKE_CURRENT_BINARY_DIR}/getdns.ver" " ${symbol};\n")
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endforeach ()
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file(APPEND "${CMAKE_CURRENT_BINARY_DIR}/getdns.ver" "local:\n *;\n};\n")
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target_link_libraries(getdns_shared PRIVATE "-Wl,--version-script=getdns.ver")
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# Again, follow libtool. Major version is current-age.
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math(EXPR compat_version "${GETDNS_VERSION_CURRENT}-${GETDNS_VERSION_AGE}")
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set_target_properties(getdns_shared PROPERTIES VERSION "${compat_version}.${GETDNS_VERSION_AGE}.${GETDNS_VERSION_REVISION}" SOVERSION "${compat_version}")
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# If we're not building a static library, use this wherever we use
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# the static library in tool and test builds.
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if (NOT ENABLE_STATIC)
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add_library(getdns ALIAS getdns_shared)
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endif ()
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endif ()
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# The tools.
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if (BUILD_GETDNS_QUERY)
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add_executable(getdns_query src/tools/getdns_query.c)
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@ -0,0 +1,19 @@
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1 VERSIONINFO
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FILEVERSION @version_current@,@version_revision@,@version_age@,0
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PRODUCTVERSION @version_current@,@version_revision@,0,0
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FILEOS 4
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FILETYPE 2
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FILESUBTYPE 0
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BEGIN
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BLOCK "StringFileInfo"
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BEGIN
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BLOCK "040904e4"
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BEGIN
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VALUE "CompanyName", "getdns project\0"
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VALUE "ProductName", "getdns\0"
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VALUE "FileVersion", "@version_current@.@version_revision@\0"
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VALUE "ProductVersion", "@version_current@.@version_revision@\0"
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VALUE "LegalCopyright", "NLnet Labs, Sinodun, No Mountain Software. New BSD licence.\0"
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END
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END
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END
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@ -0,0 +1,27 @@
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# Export only named entry points from shared library.
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function(target_shared_library_exports lib libname symbols)
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if (WIN32)
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/${libname}.def" "LIBRARY ${libname}\n EXPORTS\n")
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foreach (symbol IN LISTS symbols)
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file(APPEND "${CMAKE_CURRENT_BINARY_DIR}/${libname}.def" " ${symbol}\n")
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endforeach ()
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target_sources(${lib} PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/${libname}.def")
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elseif (APPLE)
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/${libname}.syms" "")
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foreach (symbol IN LISTS symbols)
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file(APPEND "${CMAKE_CURRENT_BINARY_DIR}/${libname}.syms" "_${symbol}\n")
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endforeach ()
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target_sources(${lib} PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/${libname}.syms")
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target_link_libraries(${lib} PRIVATE "-exported_symbols_list ${libname}.syms")
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elseif (UNIX)
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# Assume GNU ld.
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/${libname}.ver" "{ global:\n")
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foreach (symbol IN LISTS symbols)
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file(APPEND "${CMAKE_CURRENT_BINARY_DIR}/${libname}.ver" " ${symbol};\n")
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endforeach ()
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file(APPEND "${CMAKE_CURRENT_BINARY_DIR}/${libname}.ver" "local:\n *;\n};\n")
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target_link_libraries(${lib} PRIVATE "-Wl,--version-script=getdns.ver")
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else ()
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message(WARNING "Unknown platform, ${lib} exports not set.")
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endif ()
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endfunction ()
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@ -0,0 +1,25 @@
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# Add version to given shared library linkage.
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function(target_shared_library_version lib version_current version_revision version_age)
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if (WIN32)
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set(rc_template "${CMAKE_CURRENT_SOURCE_DIR}/cmake/include/${lib}_version.rc.in")
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if (EXISTS ${rc_template})
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configure_file(${rc_template} ${lib}.rc @ONLY)
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target_sources(${lib} PRIVATE ${lib}.rc)
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endif ()
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target_link_libraries(${lib} PRIVATE "-VERSION:${version_current}.${version_revision}")
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elseif (APPLE)
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# Follow libtool. Add one to major version, as version 0 doesn't work.
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# But tag dynlib name with current-age.
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math(EXPR major_version "${version_current}+1")
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math(EXPR dynlib_version "${version_current}-${version_age}")
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set_target_properties(${lib} PROPERTIES VERSION "${dynlib_version}")
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target_link_libraries(${lib} PRIVATE "-compatibility_version ${major_version}")
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target_link_libraries(${lib} PRIVATE "-current_version ${major_version}.${version_revision}")
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elseif (UNIX)
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# Assume GNU ld, and again follow libtool. Major version is current-age.
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math(EXPR compat_version "${version_current}-${version_age}")
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set_target_properties(${lib} PROPERTIES VERSION "${compat_version}.${version_age}.${version_revision}" SOVERSION "${compat_version}")
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else ()
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message(WARNING "Unknown platform, ${lib} will not be versioned.")
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endif ()
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endfunction ()
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