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# If you need to bootstrap this, turn this on.
# Otherwise, you have a loop with libcxxabi
%def_without bootstrap

%ifarch %arm
%def_without clang
%else
%def_with clang
%endif


%if_with clang
%define optflags_lto -flto=thin
%else
%{?optflags_lto:%global optflags_lto %optflags_lto -ffat-lto-objects}
%endif

%define so_ver 1
%define llvm_ver 12.0

Name: libcxx
Version: 12.0.1
Release: alt4

Summary: C++ standard library targeting C++11

License: MIT or NCSA
Group: System/Libraries
Url: https://%name.llvm.org/

Packager: Vitaly Lipatov <lav at altlinux.ru>

# https://github.com/llvm/llvm-project/releases/download/llvmorg-%version/%name-%version.src.tar.xz
Source: %name-%version.src.tar

Patch0: %name-remove-monorepo-requirement.patch

%if_with clang
BuildRequires: clang%llvm_ver
BuildRequires: llvm%llvm_ver-devel
%else
BuildRequires: gcc-c++
%endif

BuildRequires: cmake
# make cmake compiler test happy
BuildRequires: libstdc++-devel
BuildRequires: ninja-build
BuildRequires: python3

%if_with bootstrap
%add_verify_elf_skiplist %_libdir/libc++.so.1.0
%else
BuildRequires: libc++-devel
BuildRequires: libc++abi-devel
%endif

%description
libc++ is a new implementation of the C++ standard library, targeting C++11.

%package -n libc++%so_ver
Summary: %summary
Group: System/Libraries
Provides: %name = %EVR
Obsoletes: %name <= 7.0.0-alt1

%description -n libc++%so_ver
libc++ is a new implementation of the C++ standard library, targeting C++11.

%package -n libc++-devel
Summary: Headers and libraries for libcxx devel
Group: Development/C++
Requires: libc++%so_ver = %EVR
%if_without bootstrap
Requires: libc++abi-devel
%endif
Provides: %name-devel = %EVR
Obsoletes: %name-devel <= 7.0.0-alt1

%description -n libc++-devel
%summary.

%package -n libc++-devel-static
Group: Development/C++
Summary: Static libraries for %name
Requires: libc++-devel = %EVR
Provides: %name-static = %EVR
Obsoletes: %name-static <= 7.0.0-alt1

%description -n libc++-devel-static
%summary.

%prep
%setup -n %name-%version.src
%patch0 -p2

%build
export ALTWRAP_LLVM_VERSION=%llvm_ver
export LDFLAGS="-Wl,--build-id"

%if_with clang
%if_without bootstrap
export LDFLAGS="-Wl,--build-id -stdlib=libc++ -lc++abi"
%endif
%endif

%cmake \
%if_with clang
-DCMAKE_C_COMPILER:STRING=clang \
-DCMAKE_CXX_COMPILER:STRING=clang++ \
-DCMAKE_RANLIB:PATH=%_bindir/llvm-ranlib \
-DCMAKE_AR:PATH=%_bindir/llvm-ar \
-DCMAKE_NM:PATH=%_bindir/llvm-nm \
-DCMAKE_EXE_LINKER_FLAGS:STRING="-fuse-ld=lld" \
%endif
%if_without bootstrap
-DLIBCXX_CXX_ABI=libcxxabi \
-DLIBCXX_CXX_ABI_INCLUDE_PATHS=%_includedir \
-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT:BOOL=TRUE \
%endif
%if %_lib == "lib64"
-DLIBCXX_LIBDIR_SUFFIX:STRING=64 \
%endif
-DCMAKE_BUILD_TYPE=RelWithDebInfo \
-GNinja

%cmake_build

%install
%cmake_install

# Install header files that libcxxabi needs
%__mkdir_p %buildroot%_includedir/%name-internal
%__install -m 0644 src/include/* %buildroot%_includedir/%name-internal/

%files -n libc++%so_ver
%doc LICENSE.TXT CREDITS.TXT TODO.TXT
%_libdir/libc++.so.*

%files -n libc++-devel
%_includedir/c++
%_includedir/%name-internal
%_libdir/libc++.so

%files -n libc++-devel-static
%_libdir/libc++*.a

%changelog
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