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# This toolchain file helps building a mostly statically linked executable by
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# defining certain variables. It is mainly focusing on dependencies used by Qt.
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# prefer libraries from "static" sub-prefix
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set(CMAKE_FIND_ROOT_PATH "/usr/static;${CMAKE_FIND_ROOT_PATH}")
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# prefer static libraries
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# note: It is of no use to set the real variable CMAKE_FIND_LIBRARY_SUFFIXES
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# here because it gets overridden by CMake after loading the toolchain
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# file. The project needs to make the actual override if enforcing static
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# libraries is required.
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set(CMAKE_FIND_LIBRARY_SUFFIXES_OVERRIDE ".a;.so")
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set(CMAKE_EXE_LINKER_FLAGS "$ENV{LDFLAGS} -static-libgcc -static-libstdc++" CACHE STRING "linker flags for static builds" FORCE)
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set(CMAKE_C_FLAGS "$ENV{CFLAGS} -include /usr/static/include/glibc-2.17.h" CACHE STRING "C flags for static builds" FORCE)
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set(CMAKE_CPP_FLAGS "$ENV{CPPFLAGS} -include /usr/static/include/glibc-2.17.h" CACHE STRING "Cpp flags for static builds" FORCE)
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set(CMAKE_CXX_FLAGS "$ENV{CXXFLAGS} -include /usr/static/include/glibc-2.17.h" CACHE STRING "C++ flags for static builds" FORCE)
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set(OPENSSL_USE_STATIC_LIBS ON)
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set(BOOST_USE_STATIC_LIBS ON)
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# workaround limitations in upstream pkg-config files and CMake find modules
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set(pkgcfg_lib_libbrotlicommon_brotlicommon "/usr/lib/libbrotlicommon-static.a" CACHE INTERNAL "static libbrotlicommon")
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set(pkgcfg_lib_libbrotlienc_brotlienc "/usr/lib/libbrotlienc-static.a;/usr/lib/libbrotlicommon-static.a" CACHE INTERNAL "static libbrotliend")
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set(pkgcfg_lib_libbrotlidec_brotlidec "/usr/lib/libbrotlidec-static.a;/usr/lib/libbrotlicommon-static.a" CACHE INTERNAL "static libbrotlidec")
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set(libbrotlicommon_STATIC_LDFLAGS "${pkgcfg_lib_libbrotlicommon_brotlicommon}" CACHE INTERNAL "static libbrotlicommon")
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set(libbrotlienc_STATIC_LDFLAGS "${pkgcfg_lib_libbrotlienc_brotlienc}" CACHE INTERNAL "static libbrotliend")
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set(libbrotlidec_STATIC_LDFLAGS "${pkgcfg_lib_libbrotlidec_brotlidec}" CACHE INTERNAL "static libbrotlidec")
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# define dependencies of various static libraries as CMake doesn't pull them
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# reliably automatically
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# note: It would be possible to deduce the dependencies via pkg-config. However,
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# for simplicity I'm hard-coding the dependencies for now. In some cases the
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# pkg-config file wouldn't work anyways because it is only covering the shared
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# version (despite use of `-static`).
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set(OPENSSL_DEPENDENCIES "-ldl;-pthread" CACHE INTERNAL "dependencies of static OpenSSL libraries")
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set(LIBPNG_DEPENDENCIES "-lz" CACHE INTERNAL "dependencies of static libpng")
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set(GLIB2_DEPENDENCIES "-pthread" CACHE INTERNAL "dependencies of static Glib2")
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set(FREETYPE_DEPENDENCIES "-lbz2;-lharfbuzz;-lfreetype;-lbrotlidec-static;-lbrotlicommon-static" CACHE INTERNAL "dependencies of static FreeType2 library")
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set(HARFBUZZ_DEPENDENCIES "-lglib-2.0;${GLIB2_DEPENDENCIES};-lm;-lfreetype;-lgraphite2" CACHE INTERNAL "dependencies of static HarfBuzz library")
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set(DBUS1_DEPENDENCIES "-pthread" CACHE INTERNAL "dependencies of static D-Bus1 library")
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