pkg: remove wheels

We cannot distribute `manylinux`-compatible binaries since we must
embed a (dynamically-linked) cpython interpreter.

Author: ndrewh

.github/workflows/build.yml

@@ -228,34 +228,6 @@ jobs:
         run: |
           docker buildx imagetools inspect ghcr.io/${{ github.repository }}:${{ steps.meta.outputs.version }}
 
-  build_wheels:
-    name: Build wheels on ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, ubuntu-24.04-arm, macos-14]
-
-    steps:
-      - uses: actions/checkout@v4
-
-      # Used to host cibuildwheel
-      - uses: actions/setup-python@v5
-
-      - name: Install cibuildwheel
-        run: python -m pip install cibuildwheel==3.0.0b1
-
-      - name: Build wheels
-        run: python -m cibuildwheel --output-dir wheelhouse
-        env:
-          CIBW_BUILD: "cp310-*"
-          CIBW_REPAIR_WHEEL_COMMAND_MACOS: ""
-          CIBW_BEFORE_BUILD_LINUX: "pushd /opt/_internal && tar -xvf static-libs-for-embedding-only.tar.xz && popd"
-
-      - uses: actions/upload-artifact@v4
-        with:
-          name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
-          path: ./wheelhouse/*.whl
-
   build_sdist:
     name: Build source distribution
     runs-on: ubuntu-latest
@@ -271,7 +243,7 @@ jobs:
           path: dist/*.tar.gz
 
   upload_pypi:
-    needs: [build_wheels, build_sdist]
+    needs: [build_sdist]
     runs-on: ubuntu-latest
     environment: pypi
     permissions:

pyda_core/pyda_threads.c

@@ -160,11 +160,6 @@ int pyda_thread_detach(pthread_t thread) {
 
 #ifdef LINUX
 
-// manylinux target is missing this define
-#ifndef AT_MINSIGSTKSZ
-#define AT_MINSIGSTKSZ 51
-#endif
-
 extern size_t os_minsigstksz(void);
 unsigned long pyda_getauxval(unsigned long type) {
     DEBUG_PRINTF("getauxval %lx\n", type);
@@ -224,12 +219,6 @@ void parse_proc_environ() {
 int pyda_sysconf(int num) {
     DEBUG_PRINTF("sysconf %d\n", num);
 #ifdef LINUX
-
-// manylinux target is missing this define
-#ifndef _SC_SIGSTKSZ
-#define _SC_SIGSTKSZ 250
-#endif
-
     if (num == _SC_SIGSTKSZ) {
         DEBUG_PRINTF("sigconf(_SC_SIGSTKSZ)\n");
         return os_minsigstksz();