From f8a7597f5d80c116d775e86175f5b7592be9b441 Mon Sep 17 00:00:00 2001
From: rczb <rc-zb@outlook.com>
Date: Sat, 16 Aug 2025 11:06:05 +0800
Subject: [PATCH] racket: make lib paths consistent

---
 pkgs/by-name/ra/racket/package.nix | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/pkgs/by-name/ra/racket/package.nix b/pkgs/by-name/ra/racket/package.nix
index 45ee63f0ec7e..82be2c38d614 100644
--- a/pkgs/by-name/ra/racket/package.nix
+++ b/pkgs/by-name/ra/racket/package.nix
@@ -26,13 +26,6 @@
 let
   minimal = racket-minimal.override { inherit disableDocs; };
 
-  makeLibPaths = lib.concatMapStringsSep " " (
-    lib.flip lib.pipe [
-      lib.getLib
-      (x: ''"${x}/lib"'')
-    ]
-  );
-
   manifest = lib.importJSON ./manifest.json;
   inherit (stdenv.hostPlatform) isDarwin;
 in
@@ -71,7 +64,6 @@ minimal.overrideAttrs (
 
     preBuild =
       let
-        libPaths = makeLibPaths finalAttrs.buildInputs;
         libPathsVar = if isDarwin then "DYLD_FALLBACK_LIBRARY_PATH" else "LD_LIBRARY_PATH";
       in
       /*
@@ -79,7 +71,13 @@ minimal.overrideAttrs (
         dependencies, which is integrated into the build process of Racket
       */
       ''
-        for lib_path in ${libPaths}; do
+        for lib_path in $( \
+            echo "$NIX_LDFLAGS" \
+              | tr ' ' '\n' \
+              | grep '^-L' \
+              | sed 's/^-L//' \
+              | awk '!seen[$0]++' \
+        ); do
             addToSearchPath ${libPathsVar} $lib_path
         done
       ''