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authorDaniel Barter <danielbarter@gmail.com>2022-09-17 11:46:15 -0700
committerDaniel Barter <danielbarter@gmail.com>2022-09-28 13:24:42 -0700
commit0bea4a194f7103fcedc0226a74e50657875a7c4d (patch)
tree7b75c26c67337b39aa08dcfaee1cc2ec43043d05 /pkgs/build-support/cc-wrapper
parent8ed80561a4977787d3f7ee14da8503ea86f96226 (diff)
cc-wrapper/setup-hook.sh: remove duplicate flags in NIX_CFLAGS_COMPILE
Diffstat (limited to 'pkgs/build-support/cc-wrapper')
-rw-r--r--pkgs/build-support/cc-wrapper/setup-hook.sh2
1 files changed, 2 insertions, 0 deletions
diff --git a/pkgs/build-support/cc-wrapper/setup-hook.sh b/pkgs/build-support/cc-wrapper/setup-hook.sh
index 6a913cc4eac72..94ca721cd914c 100644
--- 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
 }