fdedc46453
so CFLAGS containing msan's -fsanitize=memory are not discarded Change-Id: Ib46d060b7542bc3e1b19cdef84ae3f8ea7099b14 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/121440 Tested-by: Jenkins Reviewed-by: Caolán McNamara <caolanm@redhat.com>
81 lines
4.6 KiB
Makefile
81 lines
4.6 KiB
Makefile
# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
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#
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# This file is part of the LibreOffice project.
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#
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$(eval $(call gb_ExternalProject_ExternalProject,cairo))
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$(eval $(call gb_ExternalProject_use_external_project,cairo,pixman))
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$(eval $(call gb_ExternalProject_use_externals,cairo,\
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fontconfig \
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freetype \
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libpng \
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zlib \
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))
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$(eval $(call gb_ExternalProject_register_targets,cairo,\
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build \
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))
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# Including -rtlib=compiler-rt in pixman_LIBS is a BAD HACK: At least when compiling with Clang
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# -fsanitize=undefined on Linux x86-64, the generated code references __muloti4, which is an
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# extension provided by libclang_rt.builtins-x86_64.a runtime, but not by GCC's libgcc_s.so.1 (which
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# ultimately boils down to a bug in LLVM, I would say). I am not sure whether it should in general
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# work to mix uses of the (default on Linux, at least) GCC libgcc_s and LLVM's libclang_rt.builtins
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# runtime libraries in one process, but for this specific case of libcairo.so it appears to work
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# well: For one, the only symbol referenced by libcairo.so from the runtime library is __muloti4;
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# for another, at least in my LLVM build, lib/clang/12.0.0/lib/linux/libclang_rt.builtins-x86_64.a
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# is only provided as a static archive; so libcairo.so will only contain a "harmless" copy of
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# __muloti4 and not have a DT_NEEDED of any libclang_rt.builtins dynamic library that it would pull
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# in at runtime.
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# But passing -rtlib=compiler-rt into cairo's configure via the more obvious LDFLAGS would fail at
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# least when building with -fsanitize=address and -fsanitize=undefined, as then the executable
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# compiled by configure when "checking whether the C compiler works" would reference
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# _Unwind_Backtrace etc. that are provided by GCC's libgcc_s.so.1 but not by LLVM's
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# libclang_rt.builtins-x86_64.a (and whatever the reason for that inconsistency). So
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# -rtlib=compiler-rt must be passed just into the linking of libcairo.so, but not generally into
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# cairo's configure. And pixman_LIBS happens to offer that. (The -Wc is necessary so that libtool
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# does not throw away the -rtlib=compiler-rt which it does not understand.)
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$(call gb_ExternalProject_get_state_target,cairo,build) :
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$(call gb_Trace_StartRange,cairo,EXTERNAL)
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$(call gb_ExternalProject_run,build,\
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$(gb_RUN_CONFIGURE) ./configure \
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$(if $(debug),STRIP=" ") \
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$(if $(filter ANDROID iOS,$(OS)),CFLAGS="$(if $(debug),-g) $(ZLIB_CFLAGS) $(gb_VISIBILITY_FLAGS)") \
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$(if $(filter EMSCRIPTEN,$(OS)),CFLAGS=" $(ZLIB_CFLAGS)" --enable-pthread=yes PTHREAD_LIBS="") \
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$(if $(filter-out EMSCRIPTEN ANDROID iOS,$(OS)),CFLAGS="$(CFLAGS) $(if $(debug),-g) $(ZLIB_CFLAGS)" ) \
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$(if $(filter ANDROID iOS,$(OS)),PKG_CONFIG=./dummy_pkg_config) \
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LIBS="$(ZLIB_LIBS)" \
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$(if $(filter -fsanitize=%,$(LDFLAGS)),LDFLAGS="$(LDFLAGS) -fuse-ld=bfd") \
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pixman_CFLAGS="-I$(call gb_UnpackedTarball_get_dir,pixman)/pixman -pthread" \
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pixman_LIBS="-L$(call gb_UnpackedTarball_get_dir,pixman)/pixman/.libs -lpixman-1 \
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$(if $(filter LINUX,$(OS)),-Wl$(COMMA)-z$(COMMA)origin \
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-Wl$(COMMA)-rpath$(COMMA)\\\$$\$$ORIGIN) \
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$(if $(filter -fsanitize=%,$(CC)), \
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$(if $(filter LINUX-X86_64-TRUE,$(OS)-$(CPUNAME)-$(COM_IS_CLANG)), \
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-Wc$(COMMA)-rtlib=compiler-rt))" \
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png_REQUIRES="trick_configure_into_using_png_CFLAGS_and_LIBS" \
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png_CFLAGS="$(LIBPNG_CFLAGS)" png_LIBS="$(LIBPNG_LIBS)" \
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$(if $(SYSTEM_FREETYPE),,FREETYPE_CFLAGS="-I$(call gb_UnpackedTarball_get_dir,freetype)/include") \
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$(if $(SYSTEM_FONTCONFIG),,FONTCONFIG_CFLAGS="-I$(call gb_UnpackedTarball_get_dir,fontconfig)") \
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$(if $(verbose),--disable-silent-rules,--enable-silent-rules) \
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$(if $(filter TRUE,$(DISABLE_DYNLOADING)),--disable-shared,--disable-static) \
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$(if $(filter EMSCRIPTEN ANDROID iOS,$(OS)),--disable-xlib --disable-xcb,$(if $(filter TRUE,$(DISABLE_GUI)),--disable-xlib --disable-xcb,--enable-xlib --enable-xcb)) \
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$(if $(filter iOS,$(OS)),--enable-quartz --enable-quartz-font) \
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--disable-valgrind \
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$(if $(filter iOS,$(OS)),--disable-ft,--enable-ft --enable-fc) \
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--disable-svg --enable-gtk-doc=no --enable-test-surfaces=no \
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$(if $(CROSS_COMPILING),--build=$(BUILD_PLATFORM) --host=$(HOST_PLATFORM) \
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$(if $(filter INTEL ARM,$(CPUNAME)),ac_cv_c_bigendian=no ax_cv_c_float_words_bigendian=no)) \
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$(if $(filter MACOSX,$(OS)),--prefix=/@.__________________________________________________OOO) \
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&& cd src && $(MAKE) \
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)
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$(call gb_Trace_EndRange,cairo,EXTERNAL)
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# vim: set noet sw=4 ts=4:
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