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explicitly build against system-libcxxabi #177

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explicitly build against system-libcxxabi #177

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d243ea6
get rid of CMAKE_EXTRA_ARGS
h-vetinari Jul 31, 2024
70d88f3
explicitly build against system-libcxxabi
h-vetinari Jul 31, 2024
db4a3e2
set LIBCXX_CXX_ABI_INCLUDE_PATHS
h-vetinari Oct 4, 2024
86396f5
unbreak circularity between clangxx and libcxx-devel
h-vetinari Jun 21, 2025
dc66a8b
move `libcxx-testing` downstream tests to libcxx; add v20
h-vetinari Jun 21, 2025
9dac5a9
bump build number
h-vetinari Jun 22, 2025
5d03c8c
test with newer stdlib
h-vetinari Jun 22, 2025
eec62f4
MNT: Re-rendered with conda-build 25.5.0, conda-smithy 3.50.1, and co…
h-vetinari Jun 22, 2025
c0c59e9
use post-macOS-11 LIBCXX_CXX_ABI_INCLUDE_PATHS
h-vetinari Jun 22, 2025
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6 changes: 3 additions & 3 deletions .ci_support/osx_64_channel_targetsconda-forge_libcxx_debughardeningdebugsys_abipost-12.yaml
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Original file line number Diff line number Diff line change
@@ -1,15 +1,15 @@
MACOSX_DEPLOYMENT_TARGET:
- '10.13'
- '12.0'
MACOSX_SDK_VERSION:
- '10.14'
- '13.3'
c_compiler:
- clang_bootstrap
c_compiler_version:
- '*'
c_stdlib:
- macosx_deployment_target
c_stdlib_version:
- '10.13'
- '12.0'
channel_sources:
- conda-forge
channel_targets:
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6 changes: 3 additions & 3 deletions ...pport/osx_64_channel_targetsconda-forge_libcxx_macos_lt_12hardeningnonesys_abipre-12.yaml
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Original file line number Diff line number Diff line change
@@ -1,15 +1,15 @@
MACOSX_DEPLOYMENT_TARGET:
- '10.13'
- '12.0'
MACOSX_SDK_VERSION:
- '10.14'
- '13.3'
c_compiler:
- clang_bootstrap
c_compiler_version:
- '*'
c_stdlib:
- macosx_deployment_target
c_stdlib_version:
- '10.13'
- '12.0'
channel_sources:
- conda-forge
channel_targets:
Expand Down
6 changes: 3 additions & 3 deletions .ci_support/osx_64_channel_targetsconda-forge_mainhardeningnonesys_abipost-12.yaml
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Original file line number Diff line number Diff line change
@@ -1,15 +1,15 @@
MACOSX_DEPLOYMENT_TARGET:
- '10.13'
- '12.0'
MACOSX_SDK_VERSION:
- '10.14'
- '13.3'
c_compiler:
- clang_bootstrap
c_compiler_version:
- '*'
c_stdlib:
- macosx_deployment_target
c_stdlib_version:
- '10.13'
- '12.0'
channel_sources:
- conda-forge
channel_targets:
Expand Down
6 changes: 3 additions & 3 deletions ...upport/osx_arm64_channel_targetsconda-forge_libcxx_debughardeningdebugsys_abipost-12.yaml
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Original file line number Diff line number Diff line change
@@ -1,15 +1,15 @@
MACOSX_DEPLOYMENT_TARGET:
- '11.0'
- '12.0'
MACOSX_SDK_VERSION:
- '11.0'
- '13.3'
c_compiler:
- clang_bootstrap
c_compiler_version:
- '*'
c_stdlib:
- macosx_deployment_target
c_stdlib_version:
- '11.0'
- '12.0'
channel_sources:
- conda-forge
channel_targets:
Expand Down
6 changes: 3 additions & 3 deletions ...rt/osx_arm64_channel_targetsconda-forge_libcxx_macos_lt_12hardeningnonesys_abipre-12.yaml
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Original file line number Diff line number Diff line change
@@ -1,15 +1,15 @@
MACOSX_DEPLOYMENT_TARGET:
- '11.0'
- '12.0'
MACOSX_SDK_VERSION:
- '11.0'
- '13.3'
c_compiler:
- clang_bootstrap
c_compiler_version:
- '*'
c_stdlib:
- macosx_deployment_target
c_stdlib_version:
- '11.0'
- '12.0'
channel_sources:
- conda-forge
channel_targets:
Expand Down
6 changes: 3 additions & 3 deletions .ci_support/osx_arm64_channel_targetsconda-forge_mainhardeningnonesys_abipost-12.yaml
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Original file line number Diff line number Diff line change
@@ -1,15 +1,15 @@
MACOSX_DEPLOYMENT_TARGET:
- '11.0'
- '12.0'
MACOSX_SDK_VERSION:
- '11.0'
- '13.3'
c_compiler:
- clang_bootstrap
c_compiler_version:
- '*'
c_stdlib:
- macosx_deployment_target
c_stdlib_version:
- '11.0'
- '12.0'
channel_sources:
- conda-forge
channel_targets:
Expand Down
8 changes: 2 additions & 6 deletions build-locally.py
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14 changes: 6 additions & 8 deletions recipe/build.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,11 @@ if [[ "$target_platform" == osx-* ]]; then
export CXXFLAGS="$CXXFLAGS -isysroot $CONDA_BUILD_SYSROOT"
export LDFLAGS="$LDFLAGS -isysroot $CONDA_BUILD_SYSROOT -framework CoreFoundation"

export CMAKE_EXTRA_ARGS="-DCMAKE_OSX_SYSROOT=$CONDA_BUILD_SYSROOT -DLIBCXX_ENABLE_VENDOR_AVAILABILITY_ANNOTATIONS=ON"
export CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_OSX_SYSROOT=$CONDA_BUILD_SYSROOT"
export CMAKE_ARGS="$CMAKE_ARGS -DLIBCXX_ENABLE_VENDOR_AVAILABILITY_ANNOTATIONS=ON"
# we want to build against the system libcxxabi, not ship our own
export CMAKE_ARGS="$CMAKE_ARGS -DLIBCXX_CXX_ABI=system-libcxxabi"
export CMAKE_ARGS="$CMAKE_ARGS -DLIBCXX_CXX_ABI_INCLUDE_PATHS=$CONDA_BUILD_SYSROOT/usr/include/c++/v1"
fi

export CFLAGS="$CFLAGS -I$LLVM_PREFIX/include -I$BUILD_PREFIX/include"
Expand All @@ -29,16 +33,10 @@ cmake -G Ninja \
-DLIBCXX_HARDENING_MODE="${hardening}" \
-DLIBCXXABI_USE_LLVM_UNWINDER=OFF \
-DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=OFF \
$CMAKE_ARGS \
$CMAKE_EXTRA_ARGS
$CMAKE_ARGS

# Build
ninja -C build cxx cxxabi unwind

# Install
ninja -C build install-cxx install-cxxabi install-unwind

if [[ "$target_platform" == osx-* ]]; then
# on osx we point libc++ to the system libc++abi
$INSTALL_NAME_TOOL -change "@rpath/libc++abi.1.dylib" "/usr/lib/libc++abi.dylib" $PREFIX/lib/libc++.1.0.dylib
fi
5 changes: 3 additions & 2 deletions recipe/conda_build_config.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -18,9 +18,10 @@ dummy_var: # [osx]
- 0 # [osx and x86_64]
- 1 # [osx and arm64]

c_stdlib_version: # [osx]
- "12.0" # [osx]
MACOSX_SDK_VERSION: # [osx]
- "10.14" # [osx and x86_64]
- "11.0" # [osx and arm64]
- "13.3" # [osx]

c_stdlib_version: # [linux]
# upstream requires >=2.24, but we only have RHEL increments (2.17, 2.28, 2.34)
Expand Down
22 changes: 12 additions & 10 deletions recipe/meta.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ source:
- patches/0005-patch-__libcpp_tzdb_directory-to-allow-use-on-osx.patch

build:
number: 0
number: 1
skip: true # [win]
skip: true # [ppc64le or aarch64]

Expand Down Expand Up @@ -71,11 +71,11 @@ outputs:
test:
requires:
- clang # [osx]
- clangxx
- ld64 # [osx]
- cctools # [osx]
- llvm-tools # [osx]
- {{ compiler('cxx') }} # [not osx]
- clangxx # [not osx]
files:
- test_sources
- compile_test.sh # [unix]
Expand Down Expand Up @@ -111,19 +111,11 @@ outputs:
- test -d $PREFIX/share/libc++ # [unix]
- test -f $PREFIX/lib/libc++.modules.json # [unix]


# Following 2 projects had issues with libc++, so check them
# before releasing just to be sure.
downstreams: # [osx]
- python-symengine # [osx]
- openturns # [osx]
# test current libcxx against old clang builds;
# version correspondence is 0.{{ CLANG_MAJOR }}
# these tests are unusual in that they use -Wl,-rpath, but not -L.
- libcxx-testing 0.19 # [osx]
- libcxx-testing 0.18 # [osx]
- libcxx-testing 0.17 # [osx]
- libcxx-testing 0.16 # [osx]
{% endif %}

- name: libcxx
Expand Down Expand Up @@ -169,6 +161,16 @@ outputs:
# absence of headers
- test ! -d $PREFIX/include/c++ # [unix]

downstreams: # [osx]
# test current libcxx against old clang builds;
# version correspondence is 0.{{ CLANG_MAJOR }}
# these tests are unusual in that they use -Wl,-rpath, but not -L.
- libcxx-testing 0.20 # [osx]
- libcxx-testing 0.19 # [osx]
- libcxx-testing 0.18 # [osx]
- libcxx-testing 0.17 # [osx]
- libcxx-testing 0.16 # [osx]

- name: libcxxabi
build:
skip: true # [not linux]
Expand Down
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