github: macos diag

Author: rscharfe

.github/workflows/main.yml

@@ -117,15 +117,6 @@ jobs:
           - jobname: osx-clang
             cc: clang
             pool: macos-14
-          - jobname: osx-reftable
-            cc: clang
-            pool: macos-14
-          - jobname: osx-gcc
-            cc: gcc-13
-            pool: macos-14
-          - jobname: osx-meson
-            cc: clang
-            pool: macos-14
     env:
       CC: ${{matrix.vector.cc}}
       CC_PACKAGE: ${{matrix.vector.cc_package}}
@@ -136,13 +127,6 @@ jobs:
     steps:
     - uses: actions/checkout@v5
     - run: ci/install-dependencies.sh
-    - run: ci/run-build-and-tests.sh
-    - name: print test failures
-      if: failure() && env.FAILED_TEST_ARTIFACTS != ''
-      run: ci/print-test-failures.sh
-    - name: Upload failed tests' directories
-      if: failure() && env.FAILED_TEST_ARTIFACTS != ''
-      uses: actions/upload-artifact@v5
-      with:
-        name: failed-tests-${{matrix.vector.jobname}}
-        path: ${{env.FAILED_TEST_ARTIFACTS}}
+    - run: whence clang
+    - run: printf "%s\n" "#include <regex.h>" __MAC_OS_X_VERSION_MIN_REQUIRED REG_ENHANCED | clang -E -
+    - run: make || cat GIT-CFLAGS