???

diff --git a/.github/workflows/cmake-build-ci.yml b/.github/workflows/cmake-build-ci.yml
index 58719922cace0cf3cd6620f355e32f83daf9559f..bb4479b1297002a3268882ccd3116ae6a19f4455 100644 (file)
--- a/.github/workflows/cmake-build-ci.yml
+++ b/.github/workflows/cmake-build-ci.yml
@@ -34,7 +34,7 @@ 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