123 lines
5.5 KiB
Plaintext
123 lines
5.5 KiB
Plaintext
############################################################################
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# libs/libxx/libcxx.defs
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership. The
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# ASF licenses this file to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance with the
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# License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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###########################################################################
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LIBCXX_VERSION=12.0.0
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# Download and unpack tarball if no git repo found
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ifeq ($(wildcard libcxx/.git),)
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libcxx-$(LIBCXX_VERSION).src.tar.xz:
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$(call DOWNLOAD,https://github.com/llvm/llvm-project/releases/download/llvmorg-$(LIBCXX_VERSION),libcxx-$(LIBCXX_VERSION).src.tar.xz)
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libcxx: libcxx-$(LIBCXX_VERSION).src.tar.xz
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$(Q) tar -xf libcxx-$(LIBCXX_VERSION).src.tar.xz \
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--exclude libcxx-$(LIBCXX_VERSION).src/test/std/pstl
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$(Q) mv libcxx-$(LIBCXX_VERSION).src libcxx
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$(Q) patch -p0 < 0001-Remove-the-locale-fallback-for-NuttX.patch
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$(Q) patch -p0 < 0001-libc-avoid-the-waring-__EXCEPTIONS-is-not-defined-ev.patch
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$(Q) patch -p1 < 0001-libcxx-Rename-PS-macro-to-avoid-clashing-with-Xtensa.patch
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ifeq ($(CONFIG_LIBC_ARCH_ATOMIC),y)
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$(Q) patch -p1 < 0002-Omit-atomic_-un-signed_lock_free-if-unsupported.patch
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endif
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$(Q) touch $@
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endif
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$(TOPDIR)/include/libcxx: libcxx
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$(Q) $(DIRLINK) $(CURDIR)/libcxx/include $(TOPDIR)/include/libcxx
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context:: $(TOPDIR)/include/libcxx
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distclean::
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$(Q) $(DIRUNLINK) $(TOPDIR)/include/libcxx
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ifeq ($(wildcard libcxx/.git),)
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$(Q) $(DELFILE) libcxx-$(LIBCXX_VERSION).src.tar.xz
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$(call DELDIR, libcxx)
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endif
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CXXFLAGS += ${DEFINE_PREFIX}_LIBCPP_BUILDING_LIBRARY
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ifeq ($(CONFIG_LIBSUPCXX), y)
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CXXFLAGS += ${DEFINE_PREFIX}__GLIBCXX__
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endif
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# Workaround the following warning with "c++ (Ubuntu 9.3.0-10ubuntu2) 9.3.0"
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#
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# libcxx/src/barrier.cpp: In constructor 'std::__1::__barrier_algorithm_base::__barrier_algorithm_base(ptrdiff_t&)':
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# libcxx/src/barrier.cpp:35:9: warning: declaration of '__expected' shadows a member of 'std::__1::__barrier_algorithm_base' [-Wshadow]
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# 35 | : __expected(__expected)
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# | ^
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# libcxx/src/barrier.cpp:29:24: note: shadowed declaration is here
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# 29 | ptrdiff_t& __expected;
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# | ^~~~~~~~~~
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libcxx/src/barrier.cpp_CXXFLAGS += -Wno-shadow
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libcxx/src/locale.cpp_CXXFLAGS += -Wno-shadow
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libcxx/src/filesystem/directory_iterator.cpp_CXXFLAGS += -Wno-shadow
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libcxx/src/filesystem/operations.cpp_CXXFLAGS += -Wno-shadow
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# Workaround the following warning with "GCC 12.2"
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#
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# ...
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# include/libcxx/string:2156:35: warning: '__temp' may be used uninitialized [-Wmaybe-uninitialized]
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# 2156 | this->__throw_length_error();
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# | ~~~~~~~~~~~~~~~~~~~~~~~~~~^~
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# include/libcxx/string:614:1: note: by argument 1 of type 'const std::__1::__basic_string_common<true>*' to 'void std::__1::__basic_string_common<<anonymous> >::__throw_length_error() const [with bool <anonymous> = true]' declared here
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# 614 | __basic_string_common<__b>::__throw_length_error() const
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# | ^~~~~~~~~~~~~~~~~~~~~~~~~~
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# include/libcxx/string:2676:32: note: '__temp' declared here
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# 2676 | const basic_string __temp (__first, __last, __alloc());
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# | ^~~~~~
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ifeq ($(GCCVER),)
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export GCCVER = $(shell $(CXX) --version | grep g++ | sed -r 's/.* ([0-9]+\.[0-9]+).*/\1/')
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endif
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ifeq ($(GCCVER),12.2)
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libcxx/src/filesystem/operations.cpp_CXXFLAGS += -Wno-maybe-uninitialized
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endif
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# The following warning was observed with icicle:knsh config.
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# Looking at the code in question, it seems harmless to ignore.
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#
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# Note: For some reasons, GCC -Wall enables a different set of warnings
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# for C and C++.
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#
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# References:
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10604
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# https://github.com/gcc-mirror/gcc/blob/e54375d85d4aa5889869c2672158083b2106b623/gcc/c-family/c.opt#L1285-L1287
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#
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# CXX: libcxx/src/condition_variable.cpp
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# libcxx/src/condition_variable.cpp: In member function 'void std::__1::condition_variable::__do_timed_wait(std::__1::unique_lock<std::__1::mutex>&, std::__1::chrono::time_point<std::__1::chrono::system_clock, std::__1::chrono::duration<long long int, std::__1::ratio<1, 1000000000> > >)':
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# libcxx/src/condition_variable.cpp:64:19: error: comparison of integer expressions of different signedness: 'std::__1::chrono::duration<long long int>::rep' {aka 'long long int'} and 'std::__1::__libcpp_numeric_limits<long unsigned int, true>::type' {aka 'long unsigned int'} [-Werror=sign-compare]
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# if (s.count() < ts_sec_max)
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# ~~~~~~~~~~^~~~~~~~~~~~
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libcxx/src/condition_variable.cpp_CXXFLAGS += -Wno-sign-compare
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CPPSRCS += $(notdir $(wildcard libcxx/src/*.cpp))
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CPPSRCS += $(notdir $(wildcard libcxx/src/experimental/*.cpp))
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CPPSRCS += $(notdir $(wildcard libcxx/src/filesystem/*.cpp))
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DEPPATH += --dep-path libcxx/src
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DEPPATH += --dep-path libcxx/src/experimental
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DEPPATH += --dep-path libcxx/src/filesystem
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VPATH += libcxx/src
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VPATH += libcxx/src/experimental
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VPATH += libcxx/src/filesystem
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