From 54cbee8d9700668eaa51219f6c852b4019cfd2ba Mon Sep 17 00:00:00 2001
From: Yipeng Sun <syp@umd.edu>
Date: Thu, 27 Jan 2022 19:37:36 -0500
Subject: [PATCH] root: tweak wrapping flags for auxiliary programs, avoid
 forcing CMAKE_CXX_STANDARD (#157069)

---
 pkgs/applications/science/misc/root/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/applications/science/misc/root/default.nix b/pkgs/applications/science/misc/root/default.nix
index 9962b1ce60f5..f8037c01e087 100644
--- a/pkgs/applications/science/misc/root/default.nix
+++ b/pkgs/applications/science/misc/root/default.nix
@@ -120,7 +120,6 @@ stdenv.mkDerivation rec {
 
   cmakeFlags = [
     "-Drpath=ON"
-    "-DCMAKE_CXX_STANDARD=17"
     "-DCMAKE_INSTALL_BINDIR=bin"
     "-DCMAKE_INSTALL_LIBDIR=lib"
     "-DCMAKE_INSTALL_INCLUDEDIR=include"
@@ -176,7 +175,8 @@ stdenv.mkDerivation rec {
   postInstall = ''
     for prog in rootbrowse rootcp rooteventselector rootls rootmkdir rootmv rootprint rootrm rootslimtree; do
       wrapProgram "$out/bin/$prog" \
-        --prefix PYTHONPATH : "$out/lib"
+        --set PYTHONPATH "$out/lib" \
+        --set ${lib.optionalString stdenv.isDarwin "DY"}LD_LIBRARY_PATH "$out/lib"
     done
   '';