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- #
- # Best-effort magic that tries to produce semi-static binaries
- # (i.e. only depends on "safe" libraries like libc and libX11)
- #
- # Note that this often fails as there is no way to automatically
- # determine the dependencies of the libraries we depend on, and
- # a lot of details change with each different build environment.
- #
-
- option(BUILD_STATIC
- "Link statically against most libraries, if possible" OFF)
-
- option(BUILD_STATIC_GCC
- "Link statically against only libgcc and libstdc++" OFF)
-
- if(BUILD_STATIC)
- message(STATUS "Attempting to link static binaries...")
-
- set(BUILD_STATIC_GCC 1)
-
- set(JPEG_LIBRARIES "-Wl,-Bstatic -ljpeg -Wl,-Bdynamic")
- set(ZLIB_LIBRARIES "-Wl,-Bstatic -lz -Wl,-Bdynamic")
- set(PIXMAN_LIBRARY "-Wl,-Bstatic -lpixman-1 -Wl,-Bdynamic")
-
- # gettext is included in libc on many unix systems
- if(NOT LIBC_HAS_DGETTEXT)
- FIND_LIBRARY(UNISTRING_LIBRARY NAMES unistring libunistring
- HINTS ${PC_GETTEXT_LIBDIR} ${PC_GETTEXT_LIBRARY_DIRS})
- FIND_LIBRARY(INTL_LIBRARY NAMES intl libintl
- HINTS ${PC_GETTEXT_LIBDIR} ${PC_GETTEXT_LIBRARY_DIRS})
- FIND_LIBRARY(ICONV_LIBRARY NAMES iconv libiconv
- HINTS ${PC_GETTEXT_LIBDIR} ${PC_GETTEXT_LIBRARY_DIRS})
-
- set(GETTEXT_LIBRARIES "-Wl,-Bstatic")
-
- if(INTL_LIBRARY)
- set(GETTEXT_LIBRARIES "${GETTEXT_LIBRARIES} -lintl")
- endif()
-
- if(ICONV_LIBRARY)
- set(GETTEXT_LIBRARIES "${GETTEXT_LIBRARIES} -liconv")
- endif()
-
- set(GETTEXT_LIBRARIES "${GETTEXT_LIBRARIES} -Wl,-Bdynamic")
-
- # FIXME: MSYS2 doesn't include a static version of this library, so
- # we'll have to link it dynamically for now
- if(UNISTRING_LIBRARY)
- set(GETTEXT_LIBRARIES "${GETTEXT_LIBRARIES} -lunistring")
- endif()
-
- if(APPLE)
- set(GETTEXT_LIBRARIES "${GETTEXT_LIBRARIES} -framework Carbon")
- endif()
- endif()
-
- if(GNUTLS_FOUND)
- # GnuTLS has historically had different crypto backends
- FIND_LIBRARY(GCRYPT_LIBRARY NAMES gcrypt libgcrypt
- HINTS ${PC_GNUTLS_LIBDIR} ${PC_GNUTLS_LIBRARY_DIRS})
- FIND_LIBRARY(NETTLE_LIBRARY NAMES nettle libnettle
- HINTS ${PC_GNUTLS_LIBDIR} ${PC_GNUTLS_LIBRARY_DIRS})
- FIND_LIBRARY(TASN1_LIBRARY NAMES tasn1 libtasn1
- HINTS ${PC_GNUTLS_LIBDIR} ${PC_GNUTLS_LIBRARY_DIRS})
- FIND_LIBRARY(IDN2_LIBRARY NAMES idn2 libidn2
- HINTS ${PC_GNUTLS_LIBDIR} ${PC_GNUTLS_LIBRARY_DIRS})
-
- set(GNUTLS_LIBRARIES "-Wl,-Bstatic -lgnutls")
-
- if(TASN1_LIBRARY)
- set(GNUTLS_LIBRARIES "${GNUTLS_LIBRARIES} -ltasn1")
- endif()
- if(NETTLE_LIBRARY)
- set(GNUTLS_LIBRARIES "${GNUTLS_LIBRARIES} -lhogweed -lnettle -lgmp")
- endif()
- if(GCRYPT_LIBRARY)
- set(GNUTLS_LIBRARIES "${GNUTLS_LIBRARIES} -lgcrypt -lgpg-error")
- endif()
- if(IDN2_LIBRARY)
- set(GNUTLS_LIBRARIES "${GNUTLS_LIBRARIES} -lidn2")
- endif()
-
- set(GNUTLS_LIBRARIES "${GNUTLS_LIBRARIES} -Wl,-Bdynamic")
-
- if (WIN32)
- FIND_LIBRARY(P11KIT_LIBRARY NAMES p11-kit libp11-kit
- HINTS ${PC_GNUTLS_LIBDIR} ${PC_GNUTLS_LIBRARY_DIRS})
- FIND_LIBRARY(UNISTRING_LIBRARY NAMES unistring libunistring
- HINTS ${PC_GNUTLS_LIBDIR} ${PC_GNUTLS_LIBRARY_DIRS})
-
- # GnuTLS uses various crypto-api stuff
- set(GNUTLS_LIBRARIES "${GNUTLS_LIBRARIES} -lcrypt32 -lncrypt")
- # And sockets
- set(GNUTLS_LIBRARIES "${GNUTLS_LIBRARIES} -lws2_32")
-
- # p11-kit only available as dynamic library for MSYS2 on Windows and dynamic linking of unistring is required
- if(P11KIT_LIBRARY)
- set(GNUTLS_LIBRARIES "${GNUTLS_LIBRARIES} -lp11-kit")
- endif()
- if(UNISTRING_LIBRARY)
- set(GNUTLS_LIBRARIES "${GNUTLS_LIBRARIES} -lunistring")
- endif()
- endif()
-
- if(${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
- # nanosleep() lives here on Solaris
- set(GNUTLS_LIBRARIES "${GNUTLS_LIBRARIES} -lrt")
- # and socket functions are hidden here
- set(GNUTLS_LIBRARIES "${GNUTLS_LIBRARIES} -lsocket")
- endif()
-
- # GnuTLS uses gettext and zlib, so make sure those are always
- # included and in the proper order
- set(GNUTLS_LIBRARIES "${GNUTLS_LIBRARIES} ${ZLIB_LIBRARIES}")
- set(GNUTLS_LIBRARIES "${GNUTLS_LIBRARIES} ${GETTEXT_LIBRARIES}")
-
- # The last variables might introduce whitespace, which CMake
- # throws a hissy fit about
- string(STRIP ${GNUTLS_LIBRARIES} GNUTLS_LIBRARIES)
- endif()
-
- if(DEFINED FLTK_LIBRARIES)
- set(FLTK_LIBRARIES "-Wl,-Bstatic -lfltk_images -lpng -ljpeg -lfltk -Wl,-Bdynamic")
-
- if(WIN32)
- set(FLTK_LIBRARIES "${FLTK_LIBRARIES} -lcomctl32")
- elseif(APPLE)
- set(FLTK_LIBRARIES "${FLTK_LIBRARIES} -framework Cocoa")
- else()
- set(FLTK_LIBRARIES "${FLTK_LIBRARIES} -lm -ldl")
- endif()
-
- if(X11_FOUND AND NOT APPLE)
- if(${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
- set(FLTK_LIBRARIES "${FLTK_LIBRARIES} ${X11_Xcursor_LIB} ${X11_Xfixes_LIB} -Wl,-Bstatic -lXft -Wl,-Bdynamic -lfontconfig -lXrender -lXext -R/usr/sfw/lib -L=/usr/sfw/lib -lfreetype -lsocket -lnsl")
- else()
- set(FLTK_LIBRARIES "${FLTK_LIBRARIES} -Wl,-Bstatic -lXcursor -lXfixes -lXft -lfontconfig -lexpat -lfreetype -lpng -lbz2 -luuid -lXrender -lXext -lXinerama -Wl,-Bdynamic")
- endif()
-
- set(FLTK_LIBRARIES "${FLTK_LIBRARIES} -lX11")
- endif()
- endif()
-
- # X11 libraries change constantly on Linux systems so we have to link
- # them statically, even libXext. libX11 is somewhat stable, although
- # even it has had an ABI change once or twice.
- if(X11_FOUND AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
- set(X11_LIBRARIES "-Wl,-Bstatic -lXext -Wl,-Bdynamic -lX11")
- if(X11_XTest_LIB)
- set(X11_XTest_LIB "-Wl,-Bstatic -lXtst -Wl,-Bdynamic")
- endif()
- if(X11_Xdamage_LIB)
- set(X11_Xdamage_LIB "-Wl,-Bstatic -lXdamage -Wl,-Bdynamic")
- endif()
- if(X11_Xrandr_LIB)
- set(X11_Xrandr_LIB "-Wl,-Bstatic -lXrandr -lXrender -Wl,-Bdynamic")
- endif()
- if(X11_Xi_LIB)
- set(X11_Xi_LIB "-Wl,-Bstatic -lXi -Wl,-Bdynamic")
- endif()
- endif()
- endif()
-
- if(BUILD_STATIC_GCC)
- # This ensures that we don't depend on libstdc++ or libgcc_s
- set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -nodefaultlibs")
- set(STATIC_BASE_LIBRARIES "")
- if(ENABLE_ASAN AND NOT WIN32 AND NOT APPLE)
- set(STATIC_BASE_LIBRARIES "${STATIC_BASE_LIBRARIES} -Wl,-Bstatic -lasan -Wl,-Bdynamic -ldl -lpthread")
- endif()
- if(ENABLE_TSAN AND NOT WIN32 AND NOT APPLE AND CMAKE_SIZEOF_VOID_P MATCHES 8)
- # libtsan redefines some C++ symbols which then conflict with a
- # statically linked libstdc++. Work around this by allowing multiple
- # definitions. The linker will pick the first one (i.e. the one
- # from libtsan).
- set(STATIC_BASE_LIBRARIES "${STATIC_BASE_LIBRARIES} -Wl,-z -Wl,muldefs -Wl,-Bstatic -ltsan -Wl,-Bdynamic -ldl -lm")
- endif()
- if(WIN32)
- set(STATIC_BASE_LIBRARIES "${STATIC_BASE_LIBRARIES} -lmingw32 -lgcc_eh -lgcc -lmoldname -lmingwex -lmsvcrt")
- find_package(Threads)
- if(CMAKE_USE_PTHREADS_INIT)
- # pthread has to be statically linked after libraries above and before kernel32
- set(STATIC_BASE_LIBRARIES "${STATIC_BASE_LIBRARIES} -Wl,-Bstatic -lpthread -Wl,-Bdynamic")
- endif()
- set(STATIC_BASE_LIBRARIES "${STATIC_BASE_LIBRARIES} -luser32 -lkernel32 -ladvapi32 -lshell32")
- # mingw has some fun circular dependencies that requires us to link
- # these things again
- set(STATIC_BASE_LIBRARIES "${STATIC_BASE_LIBRARIES} -lmingw32 -lgcc_eh -lgcc -lmoldname -lmingwex -lmsvcrt")
- else()
- set(STATIC_BASE_LIBRARIES "${STATIC_BASE_LIBRARIES} -lm -lgcc -lgcc_eh -lc")
- endif()
- set(CMAKE_C_LINK_EXECUTABLE "${CMAKE_C_LINK_EXECUTABLE} ${STATIC_BASE_LIBRARIES}")
- set(CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic ${STATIC_BASE_LIBRARIES}")
- endif()
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