libcxx: add package
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CN_SZTL
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2849bcc6d6
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65
package/libs/libcxx/Makefile
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65
package/libs/libcxx/Makefile
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk
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PKG_NAME:=libcxx
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PKG_VERSION:=9.0.1
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PKG_RELEASE:=4
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PKG_SOURCE_PROTO:=git
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PKG_SOURCE_URL:=https://git.llvm.org/git/libcxx
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PKG_SOURCE_VERSION:=2076f539f410805ef88692b9c0ce0a0b882a7680
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PKG_MIRROR_HASH:=d527880a18dec9109575c76717cf5288fb91c11381b9d261cae2e5bebcbdab2e
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PKG_MAINTAINER:=Rosen Penev <rosenp@gmail.com>
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PKG_LICENSE:=MIT
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PKG_LICENSE_FILES:=LICENSE.txt
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PKG_BUILD_PARALLEL:=1
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CMAKE_BINARY_SUBDIR:=build
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include $(INCLUDE_DIR)/package.mk
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include $(INCLUDE_DIR)/cmake.mk
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define Package/libcxx
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SECTION:=libs
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CATEGORY:=Libraries
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TITLE:=LLVM libstdc++
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URL:=https://libcxx.llvm.org/
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DEPENDS:=+libatomic +libpthread
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endef
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define Package/libcxx/description
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LLVM C++ library targeting C++11 and above
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endef
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CMAKE_OPTIONS += \
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-DLIBCXX_CXX_ABI="libsupc++" \
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-DLIBCXX_CXX_ABI_INCLUDE_PATHS="$(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/include/c++/$(CONFIG_GCC_VERSION);$(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/include/c++/$(CONFIG_GCC_VERSION)/$(REAL_GNU_TARGET_NAME)" \
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-DLIBCXX_ENABLE_ASSERTIONS=OFF \
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-DLIBCXX_ENABLE_EXPERIMENTAL_LIBRARY=OFF \
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-DLIBCXX_INCLUDE_BENCHMARKS=OFF \
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-DLIBCXX_INCLUDE_DOCS=OFF \
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-DLIBCXX_INCLUDE_TESTS=OFF \
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-DLIBCXX_STANDALONE_BUILD=ON \
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-DLIBCXX_HAS_MUSL_LIBC=$(if $(CONFIG_USE_MUSL),ON,OFF)
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TARGET_CXXFLAGS += -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS -Wno-attributes -flto
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TARGET_LDFLAGS += -Wl,--gc-sections,--as-needed
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define Build/InstallDev
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$(call Build/InstallDev/cmake,$(1))
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$(CP) files/g++-libcxx $(TOOLCHAIN_DIR)/bin/
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$(SED) 's,CXX,$(TARGET_CXX),g' $(TOOLCHAIN_DIR)/bin/g++-libcxx
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endef
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define Package/libcxx/install
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$(INSTALL_DIR) $(1)/usr/lib
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$(CP) $(PKG_INSTALL_DIR)/usr/lib/libc++.so.* $(1)/usr/lib/
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endef
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$(eval $(call BuildPackage,libcxx))
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19
package/libs/libcxx/files/g++-libcxx
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19
package/libs/libcxx/files/g++-libcxx
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#!/bin/sh
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WRAPPER_INCLUDEDIR="-I$STAGING_DIR/usr/include/c++/v1"
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WRAPPER_LIBDIR="-L$STAGING_DIR/usr/lib"
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WRAPPER_LIBS="-lc -lgcc_s -lssp_nonshared"
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WRAPPER_OPTIONS=""
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WRAPPER_INCLIB="Y"
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for arg
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do
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case "$arg" in
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-c|-E|-S) WRAPPER_INCLIB="N" ;;
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-static) [ "$WRAPPER_LIBS" != "-lc -lgcc_s -lssp_nonshared -lgcc_eh" ] && WRAPPER_LIBS="-lc -lgcc_s -lssp_nonshared -lgcc_eh" ;;
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esac
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done
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[ "$WRAPPER_INCLIB" = "Y" ] && WRAPPER_OPTIONS="-nodefaultlibs $WRAPPER_LIBDIR -lc++ -lsupc++ $WRAPPER_LIBS"
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exec CXX -fno-builtin -nostdinc++ -DGCC_HASCLASSVISIBILITY "$WRAPPER_INCLUDEDIR" "$@" $WRAPPER_OPTIONS
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14
package/libs/libcxx/patches/010-cxx17.patch
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14
package/libs/libcxx/patches/010-cxx17.patch
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--- a/CMakeLists.txt
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+++ b/CMakeLists.txt
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@@ -524,9 +524,9 @@ remove_flags(-Wno-pedantic -pedantic-err
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if (LIBCXX_HAS_MUSL_LIBC OR LIBCXX_TARGETING_CLANG_CL)
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# musl's pthread implementations uses volatile types in their structs which is
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# not a constexpr in C++11 but is in C++14, so we use C++14 with musl.
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- set(LIBCXX_STANDARD_VER c++14 CACHE STRING "internal option to change build dialect")
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+ set(LIBCXX_STANDARD_VER c++2a CACHE STRING "internal option to change build dialect")
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else()
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- set(LIBCXX_STANDARD_VER c++11 CACHE STRING "internal option to change build dialect")
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+ set(LIBCXX_STANDARD_VER c++2a CACHE STRING "internal option to change build dialect")
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endif()
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add_compile_flags_if_supported(-std=${LIBCXX_STANDARD_VER})
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add_compile_flags_if_supported("/std:${LIBCXX_STANDARD_VER}")
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35
package/libs/libcxx/patches/020-fixes.patch
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35
package/libs/libcxx/patches/020-fixes.patch
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--- a/include/cmath
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+++ b/include/cmath
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@@ -615,7 +615,7 @@ _Fp __lerp(_Fp __a, _Fp __b, _Fp __t) no
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if (__t == 1) return __b;
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const _Fp __x = __a + __t * (__b - __a);
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- if (__t > 1 == __b > __a)
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+ if ((__t > 1) == (__b > __a))
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return __b < __x ? __x : __b;
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else
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return __x < __b ? __x : __b;
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--- a/include/memory
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+++ b/include/memory
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@@ -1696,7 +1696,7 @@ struct _LIBCPP_TEMPLATE_VIS allocator_tr
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ptrdiff_t _Np = __end1 - __begin1;
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__end2 -= _Np;
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if (_Np > 0)
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- _VSTD::memcpy(__end2, __begin1, _Np * sizeof(_Tp));
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+ __end2 = __begin1;
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}
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private:
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--- a/src/filesystem/filesystem_common.h
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+++ b/src/filesystem/filesystem_common.h
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@@ -197,8 +197,8 @@ private:
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using chrono::duration;
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using chrono::duration_cast;
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-using TimeSpec = struct ::timespec;
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-using StatT = struct ::stat;
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+using TimeSpec = struct timespec;
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+using StatT = struct stat;
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template <class FileTimeT, class TimeT,
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bool IsFloat = is_floating_point<typename FileTimeT::rep>::value>
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