From e475c8523404dcb659f061d58c59a18f123707dc Mon Sep 17 00:00:00 2001
From: r3g_5z <june@girlboss.ceo>
Date: Sun, 14 May 2023 16:58:37 -0400
Subject: [PATCH] make sure the user has CMake installed

Signed-off-by: r3g_5z <june@girlboss.ceo>
---
 BUILDING.md  |  8 ++++++++
 sys/build.rs | 10 ++++++----
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/BUILDING.md b/BUILDING.md
index 40a4768..0820aab 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -37,3 +37,11 @@ rustflags = "-lc++ -l framework=Accelerate"
 ```
 
 See https://github.com/tazz4843/whisper-rs/pull/2 for more information.
+
+You also need to have CMake installed. You can obtain this using homebrew:
+
+```
+brew install cmake
+```
+
+CMake can also be installed from https://cmake.org/download/ but `cmake` binary needs to be in your PATH.
\ No newline at end of file
diff --git a/sys/build.rs b/sys/build.rs
index 4d63555..98b0512 100644
--- a/sys/build.rs
+++ b/sys/build.rs
@@ -104,9 +104,11 @@ fn main() {
     #[cfg(feature = "opencl")]
     cmd.arg("-DWHISPER_CLBLAST=ON");
 
-    let code = cmd.status().expect("Failed to run `cmake`");
+    let code = cmd
+        .status()
+        .expect("Failed to run `cmake` (is CMake installed?)");
     if code.code() != Some(0) {
-        panic!("Failed to run `cmake`");
+        panic!("Failed to run `cmake` (is CMake installed?)");
     }
 
     let code = std::process::Command::new("cmake")
@@ -115,9 +117,9 @@ fn main() {
         .arg("--config")
         .arg("Release")
         .status()
-        .expect("Failed to build libwhisper.a");
+        .expect("Failed to build libwhisper.a (is CMake installed?)");
     if code.code() != Some(0) {
-        panic!("Failed to build libwhisper.a");
+        panic!("Failed to build libwhisper.a (is CMake installed?)");
     }
 
     // move libwhisper.a to where Cargo expects it (OUT_DIR)