libcxx 17.0.6

.ci_support/linux_64_.yaml

@@ -1,3 +1,7 @@
+c_stdlib:
+- sysroot
+c_stdlib_version:
+- '2.17'
 cdt_name:
 - cos6
 channel_sources:
@@ -12,3 +16,6 @@ docker_image:
 - quay.io/condaforge/linux-anvil-cos7-x86_64
 target_platform:
 - linux-64
+zip_keys:
+- - c_stdlib_version
+  - cdt_name

.ci_support/osx_64_.yaml

@@ -1,20 +1,22 @@
 MACOSX_DEPLOYMENT_TARGET:
-- '10.9'
+- '10.13'
 MACOSX_SDK_VERSION:
 - '10.14'
+c_stdlib:
+- macosx_deployment_target
+c_stdlib_version:
+- '10.13'
 channel_sources:
 - conda-forge
 channel_targets:
 - conda-forge main
 cxx_compiler:
 - clang_bootstrap
 cxx_compiler_version:
-- '15'
+- '16'
 dummy_var:
 - '0'
 macos_machine:
 - x86_64-apple-darwin13.4.0
-openturns:
-- '1.20'
 target_platform:
 - osx-64

.ci_support/osx_arm64_.yaml

@@ -1,18 +1,20 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '11.0'
+c_stdlib:
+- macosx_deployment_target
+c_stdlib_version:
+- '11.0'
 channel_sources:
 - conda-forge
 channel_targets:
 - conda-forge main
 cxx_compiler:
 - clang_bootstrap
 cxx_compiler_version:
-- '15'
+- '16'
 dummy_var:
 - '1'
 macos_machine:
 - arm64-apple-darwin20.0.0
-openturns:
-- '1.20'
 target_platform:
 - osx-arm64

conda-forge.yml

@@ -2,16 +2,16 @@ bot:
   abi_migration_branches:
   - 15.x
   - 14.x
-provider: {linux_aarch64: default, linux_ppc64le: default}
-travis:
-  osx_image: xcode6.4
-conda_forge_output_validation: true
 build_platform:
   osx_arm64: osx_64
+conda_build:
+  pkg_format: '2'
+conda_forge_output_validation: true
 channel_priority: flexible
 github:
   branch_name: main
   tooling_branch_name: main
-conda_build:
-  pkg_format: '2'
+provider:
+  linux_aarch64: default
+  linux_ppc64le: default
 test: native_and_emulated

recipe/conda_build_config.yaml

@@ -10,8 +10,13 @@ c_compiler_version:     # [linux]
 cxx_compiler_version:   # [linux]
   - 12                  # [linux]
 
-MACOSX_SDK_VERSION:  # [osx and x86_64]
-  - 10.14            # [osx and x86_64]
+c_stdlib_version:           # [linux or (osx and x86_64)]
+  # actually would need >=2.24, but we don't have that in conda-forge yet
+  - "2.17"                  # [linux]
+  - "10.13"                 # [osx and x86_64]
+
+MACOSX_SDK_VERSION:         # [osx and x86_64]
+  - "10.14"                 # [osx and x86_64]
 
 dummy_var:              # [osx]
   - 0                   # [osx and x86_64]

recipe/meta.yaml

@@ -1,22 +1,22 @@
-{% set version = "16.0.6" %}
+{% set version = "17.0.6" %}
 
 package:
   name: libcxx_and_libcxxabi
   version: {{ version }}
 
 source:
   - url: https://github.com/llvm/llvm-project/releases/download/llvmorg-{{ version.replace(".rc", "-rc") }}/llvm-project-{{ version.replace(".rc", "rc") }}.src.tar.xz
-    sha256: ce5e71081d17ce9e86d7cbcfa28c4b04b9300f8fb7e78422b1feb6bc52c3028e
+    sha256: 58a8818c60e6627064f312dbf46c02d9949956558340938b71cf731ad8bc0813
     patches:
-      - patches/0001-libcxxabi-10.9-compatibility.patch  # [osx and x86_64]
-      - patches/0002-Support-legacy-standalone-builds.patch
+      - patches/0001-Support-legacy-standalone-builds.patch
       # See https://lists.llvm.org/pipermail/libcxx-dev/2021-July/001172.html
-      - patches/0003-Fix-ABI-compatibility-with-system.patch
-      - patches/0004-custom-error-message-for-old-sdk.patch
+      - patches/0002-Fix-ABI-compatibility-with-system.patch
+      - patches/0003-custom-error-message-for-old-sdk.patch
       # upstream removed fallbacks in case the underlying libc didn't support C11 in
       # https://github.com/llvm/llvm-project/commit/21f73d5826fb5024a27eaacafadfa316f58949c5;
-      # however, it seems that the then-required using_if_exists does not work as desired yet
-      - patches/0005-Revert-libc-Remove-workaround-for-C11-features-on-co.patch
+      # using new libcxx with old clang versions (beyond what upstream supports) relies on
+      # having these fallbacks in place. Drop if conflict-resolution becomes too messy.
+      - patches/0004-Revert-libc-Remove-workaround-for-C11-features-on-co.patch
 
 build:
   number: 0
@@ -32,6 +32,7 @@ requirements:
     - cmake
     - ninja
     - {{ compiler('cxx') }}
+    - {{ stdlib('c') }}
     - python >3               # [not osx]
   host:
     - clangdev {{ version }}  # [not osx]
@@ -51,9 +52,12 @@ outputs:
     requirements:
       build:
         - {{ compiler('cxx') }}
+        - {{ stdlib('c') }}
       host:
       run:
         - {{ pin_subpackage("libcxxabi", exact=True) }}    # [linux]
+      run_constrained:
+        - sysroot_{{ target_platform }} >={{ c_stdlib_version }}    # [linux]
     test:
       requires:
         - clang                  # [osx]
@@ -74,10 +78,10 @@ outputs:
         - bash compile_test.sh                                    # [unix]
         - compile_test.bat                                        # [win]
         # make sure we inserted link to our docs wherever it is necessary;
-        # i.e. everywhere there's a string "availability(macos,...,introduced=<ver>)" for osx version >10.9;
+        # i.e. everywhere there's a string "availability(macos,...,introduced=<ver>)" for osx version >10.13;
         # 'grep -v' inverts the match but returns non-zero exit code if no lines are returned; so we use 'wc -l';
-        # we want to have zero lines that don't either: contain the link or are for 10.9
-        - if [ 0 -eq $(cat ${PREFIX}/include/c++/v1/__availability | grep "availability(macos" | grep -vE "(conda-forge|10.9)" | wc -l) ]; then exit 0; else exit 1; fi  # [osx]
+        # we want to have zero lines that don't either: contain our link or are for <=10.13 (lowest occurring in that file is 10.9)
+        - if [ 0 -eq $(cat ${PREFIX}/include/c++/v1/__availability | grep "availability(macos" | grep -vE "(conda-forge|10.9|10.1[0-3])" | wc -l) ]; then exit 0; else exit 1; fi  # [osx]
         # !!!!!!!!!!!! README !!!!!!!!!!!!!!!!!!
         # we do not ship libcxxabi on OSX - this breaks exception passing
         - if [ -f $PREFIX/lib/libc++abi.dylib ]; then exit 1; fi  # [osx]
@@ -90,6 +94,8 @@ outputs:
         - openturns             # [osx]
         # test current libcxx against old clang builds;
         # version correspondence is 0.{{ CLANG_MAJOR }}
+        - libcxx-testing 0.18   # [osx]
+        - libcxx-testing 0.17   # [osx]
         - libcxx-testing 0.16   # [osx]
         - libcxx-testing 0.15   # [osx]
         - libcxx-testing 0.14   # [osx]