From 8d7db4efa7a5abae4e317edb2f2f6e482ba662ec Mon Sep 17 00:00:00 2001
From: nailuoGG <nailuogg@gmail.com>
Date: Tue, 21 Jan 2025 08:36:17 +0800
Subject: [PATCH] libmps: build Release version with system Clang (cc)

---
 Formula/lib/libmps.rb | 43 +++++++++++++++----------------------------
 1 file changed, 15 insertions(+), 28 deletions(-)

diff --git a/Formula/lib/libmps.rb b/Formula/lib/libmps.rb
index e4207133b28c1a..e326451683f5ae 100755
--- a/Formula/lib/libmps.rb
+++ b/Formula/lib/libmps.rb
@@ -6,8 +6,7 @@ class Libmps < Formula
   license "BSD-2-Clause"
   head "https://github.com/Ravenbrook/mps.git", branch: "master"
 
-  # Add --with-debug option to build both Release and Debug versions
-  option "with-debug", "Build with debugging symbols and generate both Release (libmps.a) and Debug (libmps-debug.a) versions"
+  option "with-debug", "Build debug version (libmps-debug.a) alongside release version"
 
   bottle do
     sha256 cellar: :any_skip_relocation, arm64_sequoia:  "c651514f2ee9c277517272b328db0e41ab0cc06b3998302e591db274dc70f104"
@@ -20,47 +19,35 @@ class Libmps < Formula
     sha256 cellar: :any_skip_relocation, x86_64_linux:   "c54043c0fcf718172a1d9f20e9eae7287180d26f4306f652c19f3d460faf68e9"
   end
 
-  depends_on xcode: :build
-
   def install
     if OS.mac?
-      # Always build Release version
-      system "xcodebuild", "-scheme", "mps",
-                           "-configuration", "Release",
-                           "-project", "code/mps.xcodeproj",
-                           "OTHER_CFLAGS=-Wno-error=unused-but-set-variable -Wno-unused-but-set-variable",
-                           "SYMROOT=#{buildpath}/build"
-
-      # Install Release library
-      lib.install "build/Release/libmps.a"
+      cd "code" do
+        # Build Release version with system Clang (cc)
+        system ENV.cc, "-O2", "-c", "mps.c", "-o", "mps.o"
+        system "ar", "rvs", "libmps.a", "mps.o"
+        lib.install "libmps.a"
 
-      # Build Debug version if --with-debug is specified
-      if build.with? "debug"
-        system "xcodebuild", "-scheme", "mps",
-                             "-configuration", "Debug",
-                             "-project", "code/mps.xcodeproj",
-                             "OTHER_CFLAGS=-O0 -g -DCONFIG_VAR_COOL",
-                             "SYMROOT=#{buildpath}/build-debug"
+        # Build Debug version if requested
+        if build.with? "debug"
+          system ENV.cc, "-O0", "-g", "-DCONFIG_VAR_COOL", "-c", "mps.c", "-o", "mps-debug.o"
+          system "ar", "rvs", "libmps-debug.a", "mps-debug.o"
+          lib.install "libmps-debug.a"
+        end
 
-        # Install Debug library with different name
-        lib.install "build-debug/Debug/libmps.a" => "libmps-debug.a"
+        # Install headers
+        include.install Dir["mps*.h"]
       end
-
-      # Install header files
-      include.install Dir["code/mps*.h"]
     else
+      # Keep original Linux build method
       ENV.deparallelize
-      # Build Release version for Linux
       system "./configure", "--prefix=#{prefix}", "CFLAGS=-O2"
       system "make"
       system "make", "install"
 
-      # Build Debug version if --with-debug is specified
       if build.with? "debug"
         system "make", "clean"
         system "./configure", "--prefix=#{prefix}", "CFLAGS=-O0 -g -DCONFIG_VAR_COOL"
         system "make"
-        # Install Debug library with different name
         lib.install "libmps.a" => "libmps-debug.a"
       end
     end