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- Add c++config.h to improve libstdc++ configuration support - Update CMakeLists.txt and libsupc++.defs to integrate the new config header - Remove the obsolete 0001-libsupc-Add-missing-header-files.patch to clean up the codebase These changes enhance the maintainability and portability of the C++ standard library and simplify the build process.
104 lines
3.5 KiB
Text
104 lines
3.5 KiB
Text
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############################################################################
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# libs/libxx/libstdc++/libsupc++.defs
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#
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# SPDX-License-Identifier: Apache-2.0
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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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LIBSTDCXX_VERSION=$(patsubst "%",%,$(CONFIG_LIBSTDCXX_VERSION))
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# Download and unpack tarball if no git repo found
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ifeq ($(wildcard libstdc++/libstdc++/.git),)
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libstdc++-v3.tar.gz:
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$(call DOWNLOAD,https://gnu.googlesource.com/gcc/+archive/refs/tags/releases/gcc-$(LIBSTDCXX_VERSION),libstdc++-v3.tar.gz)
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libstdc++/libstdc++: libstdc++-v3.tar.gz
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$(Q) mkdir -p $@
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$(Q) tar -xzf $< -C $@
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endif
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C++DIR = $(TOPDIR)/include/c++
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BITSDIR = $(TOPDIR)/include/c++/bits
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CONDIR = libstdc++/libstdc++/config
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INCDIR = libstdc++/libstdc++/include
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SUPDIR = libstdc++/libstdc++/libsupc++
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ifeq ($(CONFIG_ARCH_ARM),y)
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CPU_CONFIG = arm
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else
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CPU_CONFIG = generic
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endif
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$(BITSDIR): libstdc++/libstdc++
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$(Q) mkdir -p $(BITSDIR)
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copy_headers: $(BITSDIR)
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$(Q) cp libstdc++/c++config.h $(INCDIR)/bits
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$(Q) cp $(SUPDIR)/compare $(C++DIR)
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$(Q) cp $(SUPDIR)/exception $(C++DIR)
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$(Q) cp $(SUPDIR)/initializer_list $(C++DIR)
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$(Q) cp $(SUPDIR)/new $(C++DIR)
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$(Q) cp $(SUPDIR)/typeinfo $(C++DIR)
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$(Q) cp $(TOPDIR)/libs/libbuiltin/libgcc/libgcc/gthr.h $(C++DIR)
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$(Q) cp $(TOPDIR)/libs/libbuiltin/libgcc/libgcc/gthr-posix.h $(C++DIR)/gthr-default.h
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$(Q) cp $(TOPDIR)/libs/libbuiltin/libgcc/libgcc/unwind-pe.h libstdc++
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$(Q) cp $(SUPDIR)/atomic_lockfree_defines.h $(BITSDIR)
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$(Q) cp $(SUPDIR)/cxxabi_forced.h $(BITSDIR)
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$(Q) cp $(SUPDIR)/exception_defines.h $(BITSDIR)
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$(Q) cp $(SUPDIR)/exception_ptr.h $(BITSDIR)
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$(Q) cp $(SUPDIR)/hash_bytes.h $(BITSDIR)
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$(Q) cp $(SUPDIR)/nested_exception.h $(BITSDIR)
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$(Q) cp $(SUPDIR)/exception.h $(BITSDIR)
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$(Q) cp $(SUPDIR)/cxxabi_init_exception.h $(BITSDIR)
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$(Q) cp $(CONDIR)/cpu/generic/cpu_defines.h $(BITSDIR)
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$(Q) cp $(CONDIR)/cpu/$(CPU_CONFIG)/cxxabi_tweaks.h $(BITSDIR)
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$(Q) cp $(CONDIR)/cpu/generic/atomic_word.h $(BITSDIR)
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$(Q) cp $(CONDIR)/os/generic/os_defines.h $(BITSDIR)
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context:: copy_headers
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distclean::
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$(call DELDIR, $(BITSDIR))
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$(call DELFILE, $(INCDIR)/bits/c++config.h)
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ifeq ($(wildcard libstdc++/libstdc++/.git),)
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$(call DELDIR, libstdc++)
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$(call DELFILE, libstdc++.tar.gz)
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endif
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SUPCXXFLAGS += -I$(INCDIR) -I$(SUPDIR) -I$(TOPDIR)/libs/libxx/libstdc++
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CXXFLAGS += -Wno-undef -Wno-unused-result
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define COMPILESUPCC
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$(ECHO_BEGIN)"CC $1 "
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$(Q) $(CCACHE) $(CC) -c $(SUPCXXFLAGS) $3 $($(strip $1)_CXXFLAGS) $1 -o $2
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$(ECHO_END)
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endef
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ifneq ($(CONFIG_CXX_RTTI),y)
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RTTI_SUPSRCS = $(SUPDIR)/eh_arm.cc $(SUPDIR)/eh_call.cc
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endif
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SUPSRCS += $(filter-out $(RTTI_SUPSRCS),$(wildcard $(SUPDIR)/*.cc))
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SUPOBJS = $(SUPSRCS:.cc=.o)
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$(SUPOBJS): %.o: %.cc
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$(call COMPILESUPCC, $<, $@)
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OBJS += $(SUPOBJS)
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