From ead2e3962f75341f9d6b08460745c5b046715aac Mon Sep 17 00:00:00 2001
From: Samuel Moelius <sam@moeli.us>
Date: Mon, 13 Nov 2023 13:54:32 -0500
Subject: [PATCH] Reintroduce `NO_BUILD=1`

---
 cargo-afl/build.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/cargo-afl/build.rs b/cargo-afl/build.rs
index 5f94aa474..aef1bb03b 100644
--- a/cargo-afl/build.rs
+++ b/cargo-afl/build.rs
@@ -75,7 +75,6 @@ fn build_afl(work_dir: &Path, base: Option<&Path>) {
         .args(["clean", "install"])
         // skip the checks for the legacy x86 afl-gcc compiler
         .env("AFL_NO_X86", "1")
-        // build just the runtime to avoid troubles with Xcode clang on macOS
         .env("DESTDIR", common::afl_dir(base))
         .env("PREFIX", "")
         .env_remove("DEBUG");
@@ -83,6 +82,10 @@ fn build_afl(work_dir: &Path, base: Option<&Path>) {
     if cfg!(feature = "plugins") {
         let llvm_config = check_llvm_and_get_config();
         command.env("LLVM_CONFIG", llvm_config);
+    } else {
+        // build just the runtime to avoid troubles with Xcode clang on macOS
+        // smoelius: `NO_BUILD=1` also makes `cargo build` significantly faster.
+        command.env("NO_BUILD", "1");
     }
 
     let status = command