Update ci.yml

Author: mcbarton

.github/workflows/ci.yml

@@ -299,8 +299,10 @@ jobs:
                 brew install llvm@15
                 brew remove llvm@18
                 brew cleanup
-                export LDFLAGS="-L/opt/homebrew/opt/llvm@15/lib"
-                export CPPFLAGS="-I/opt/homebrew/opt/llvm@15/include"
+                export LDFLAGS="-L/opt/homebrew/opt/llvm@15/lib" >> $GITHUB_ENV
+                export CPPFLAGS="-I/opt/homebrew/opt/llvm@15/include" >> $GITHUB_ENV
+                export CPATH="/opt/homebrew/include/" >> $GITHUB_ENV
+                export LIBRARY_PATH="/opt/homebrew/lib/" >> $GITHUB_ENV
                 echo "CC=$(brew --prefix llvm@15)/bin/clang" >> $GITHUB_ENV
                 echo "CXX=$(brew --prefix llvm@15)/bin/clang++" >> $GITHUB_ENV
             else
@@ -783,8 +785,10 @@ jobs:
                 brew install llvm@15
                 brew remove llvm@18
                 brew cleanup
-                export LDFLAGS="-L/opt/homebrew/opt/llvm@15/lib"
-                export CPPFLAGS="-I/opt/homebrew/opt/llvm@15/include"
+                export LDFLAGS="-L/opt/homebrew/opt/llvm@15/lib" >> $GITHUB_ENV
+                export CPPFLAGS="-I/opt/homebrew/opt/llvm@15/include" >> $GITHUB_ENV
+                export CPATH="/opt/homebrew/include/" >> $GITHUB_ENV
+                export LIBRARY_PATH="/opt/homebrew/lib/" >> $GITHUB_ENV
                 echo "CC=$(brew --prefix llvm@15)/bin/clang" >> $GITHUB_ENV
                 echo "CXX=$(brew --prefix llvm@15)/bin/clang++" >> $GITHUB_ENV
             else