make it fail again (so we can later enable tmate)

.github/workflows/tests.yml

@@ -55,6 +55,8 @@ jobs:
           extensions: curl, openssl, mbstring
           ini-values: memory_limit=-1
           tools: composer
+        env:
+          phpts: zts
 
       - name: "Cache Composer packages"
         id: composer-cache

src/SPC/builder/unix/UnixBuilderBase.php

@@ -338,8 +338,6 @@ abstract class UnixBuilderBase extends BuilderBase
         }
 
         $config = (new SPCConfigUtil($this))->config($this->ext_list, $this->lib_list, with_dependencies: true);
-        $libphp = getenv('SPC_CMD_VAR_PHP_EMBED_TYPE') === 'shared' ? 'libphp.so' : 'libphp.a';
-        $config['libs'] = str_replace('-lphp', BUILD_LIB_PATH . '/' . $libphp, $config['libs']);
 
         $env = [
             'CGO_ENABLED' => '1',