cc-wrapper/setup-hook.sh: remove duplicate flags in NIX_CFLAGS_COMPILE

Ericson2314 · Sep 28, 2022 · 0bea4a1 · 0bea4a1
1 parent 8ed8056
commit 0bea4a1
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/pkgs/build-support/cc-wrapper/setup-hook.sh b/pkgs/build-support/cc-wrapper/setup-hook.sh
@@ -69,10 +69,12 @@ ccWrapper_addCVars () {
     getHostRoleEnvHook
 
     if [ -d "$1/include" ]; then
+        (! echo "$NIX_CFLAGS_COMPILE" | grep -q -F "$1/include") &&
         export NIX_CFLAGS_COMPILE${role_post}+=" -isystem $1/include"
     fi
 
     if [ -d "$1/Library/Frameworks" ]; then
+        (! echo "$NIX_CFLAGS_COMPILE" | grep -q -F "$1/Library/Frameworks") &&
         export NIX_CFLAGS_COMPILE${role_post}+=" -iframework $1/Library/Frameworks"
     fi
 }