From 668daf952d45147eae019e60235e8e717c78cd0b Mon Sep 17 00:00:00 2001
From: Leigh <351529+leighmcculloch@users.noreply.github.com>
Date: Mon, 13 Oct 2025 23:18:47 +1000
Subject: [PATCH] Update RUSTFLAGS warning to suggest CARGO_BUILD_RUSTFLAGS

Modify the warning message when RUSTFLAGS is set to recommend using
CARGO_BUILD_RUSTFLAGS instead, which the CLI can merge with remapping.
---
 cmd/soroban-cli/src/commands/contract/build.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmd/soroban-cli/src/commands/contract/build.rs b/cmd/soroban-cli/src/commands/contract/build.rs
index 440eef9220..6ef974f3cc 100644
--- a/cmd/soroban-cli/src/commands/contract/build.rs
+++ b/cmd/soroban-cli/src/commands/contract/build.rs
@@ -507,7 +507,7 @@ fn make_rustflags_to_remap_absolute_paths(print: &Print) -> Result<Option<String
     }
 
     if env::var("RUSTFLAGS").is_ok() {
-        print.warnln("`RUSTFLAGS` set. Dependency paths will not be remapped; builds may not be reproducible.");
+        print.warnln("`RUSTFLAGS` set. Dependency paths will not be remapped; builds may not be reproducible. Use CARGO_BUILD_RUSTFLAGS instead, which the CLI will merge with remapping.");
         return Ok(None);
     }