ci: clang: always use libc++

[m6w6/libmemcached] / .github / workflows / cmake-build-ci.yml

diff --git a/.github/workflows/cmake-build-ci.yml b/.github/workflows/cmake-build-ci.yml
index 5b2c8e8a724d8dcd4bc2ef3dc77b9f4dfcfd41bb..b8548a6d9442301b772d48a71fb864f6720758bc 100644 (file)
--- a/.github/workflows/cmake-build-ci.yml
+++ b/.github/workflows/cmake-build-ci.yml
@@ -439,16 +439,19 @@ jobs:
         run: |
           echo CC="clang-10" >> ${GITHUB_ENV}
           echo CXX="clang++-10" >> ${GITHUB_ENV}
+          echo CXXFLAGS="-stdlib=libc++" >> ${GITHUB_ENV}
       - name: Prepare environment (for cur clang on ubuntu-20.04)
         if: (env.OS_VER=='ubuntu-20.04') && (env.CC_VND=='clang') && (env.CC_VER=='cur')
         run: |
           echo CC="clang-9" >> ${GITHUB_ENV}
           echo CXX="clang++-9" >> ${GITHUB_ENV}
+          echo CXXFLAGS="-stdlib=libc++" >> ${GITHUB_ENV}
       - name: Prepare environment (for old clang on ubuntu-20.04)
         if: (env.OS_VER=='ubuntu-20.04') && (env.CC_VND=='clang') && (env.CC_VER=='old')
         run: |
           echo CC="clang-8" >> ${GITHUB_ENV}
           echo CXX="clang++-8" >> ${GITHUB_ENV}
+          echo CXXFLAGS="-stdlib=libc++" >> ${GITHUB_ENV}
       - name: Prepare environment (for new gnu on ubuntu-18.04)
         if: (env.OS_VER=='ubuntu-18.04') && (env.CC_VND=='gnu') && (env.CC_VER=='new')
         run: |
@@ -469,11 +472,13 @@ jobs:
         run: |
           echo CC="clang-9" >> ${GITHUB_ENV}
           echo CXX="clang++-9" >> ${GITHUB_ENV}
+          echo CXXFLAGS="-stdlib=libc++" >> ${GITHUB_ENV}
       - name: Prepare environment (for cur clang on ubuntu-18.04)
         if: (env.OS_VER=='ubuntu-18.04') && (env.CC_VND=='clang') && (env.CC_VER=='cur')
         run: |
           echo CC="clang-8" >> ${GITHUB_ENV}
           echo CXX="clang++-8" >> ${GITHUB_ENV}
+          echo CXXFLAGS="-stdlib=libc++" >> ${GITHUB_ENV}
       - name: Prepare environment (for old clang on ubuntu-18.04)
         if: (env.OS_VER=='ubuntu-18.04') && (env.CC_VND=='clang') && (env.CC_VER=='old')
         run: |