???

diff --git a/.github/workflows/cmake-build-ci.gen b/.github/workflows/cmake-build-ci.gen
index 43e7f713aaed659f272a4fc826584cbf429fda22..45ef53a3916ace27c92db8e8e6351fc99836af27 100755 (executable)
--- a/.github/workflows/cmake-build-ci.gen
+++ b/.github/workflows/cmake-build-ci.gen
@@ -161,7 +161,7 @@ jobs:
         compiler_vendor: [gnu, clang]
         compiler_version: [new, cur, old]
     runs-on: ${{ matrix.os }}
-    if: !(matrix.os == 'ubuntu-18.04' && matrix.compiler_vendor == 'clang' && matrix.compiler_version == 'old') # skip clang-6
+    if: ${{ ! ( matrix.os == 'ubuntu-18.04' && matrix.compiler_vendor == 'clang' && matrix.compiler_version == 'old' ) }}# skip clang-6
     env:
       CMAKE_CONFIG_TYPE: Release
       OS_VND: Linux