From 72102b78857cf8ad50dbdd40750ccb75617e4177 Mon Sep 17 00:00:00 2001
From: Jacob Heider <jacob@pkgx.dev>
Date: Tue, 4 Jun 2024 19:28:48 -0400
Subject: [PATCH] libcxx: don't conflict with installed

---
 projects/libcxx.llvm.org/package.yml | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/projects/libcxx.llvm.org/package.yml b/projects/libcxx.llvm.org/package.yml
index 2a2beb58..9b7188cf 100644
--- a/projects/libcxx.llvm.org/package.yml
+++ b/projects/libcxx.llvm.org/package.yml
@@ -6,11 +6,6 @@ versions:
   github: llvm/llvm-project
   strip: /^llvmorg-/
 
-runtime:
-  env:
-    linux:
-      CPATH: $CPATH:{{prefix}}/include/c++/v1
-
 build:
   dependencies:
     cmake.org: '>=3<3.29'
@@ -46,6 +41,12 @@ test:
   dependencies:
     llvm.org: '*'
   script:
+    # installed libc++ causes header conflict
+    - run: |
+        if ! ldconfig -p | grep -q libc++.so; then
+          ARGS="$ARGS -cxx-isystem {{prefix}}/include/c++/v1"
+        fi
+      if: linux
     - run: clang++ $ARGS $FIXTURE
       fixture:
         extname: cpp