arm-none-eabi-gcc 13.2.0 (new formula)

Added GCC for the 32-bit ARM baremetal toolchain.

Formula/arm-none-eabi-gcc.rb

@@ -0,0 +1,53 @@
+class ArmNoneEabiGcc < Formula
+  desc "GNU compiler collection for arm-none-eabi"
+  homepage "https://gcc.gnu.org"
+  url "https://ftp.gnu.org/gnu/gcc/gcc-13.2.0/gcc-13.2.0.tar.xz"
+  mirror "https://ftpmirror.gnu.org/gcc/gcc-13.2.0/gcc-13.2.0.tar.xz"
+  sha256 "e275e76442a6067341a27f04c5c6b83d8613144004c0413528863dc6b5c743da"
+  license "GPL-3.0-or-later" => { with: "GCC-exception-3.1" }
+
+  livecheck do
+    formula "gcc"
+  end
+
+  depends_on "arm-none-eabi-binutils"
+  depends_on "gmp"
+  depends_on "libmpc"
+  depends_on "mpfr"
+
+  def install
+    target = "arm-none-eabi"
+    mkdir "arm-none-eabi-gcc-build" do
+      system "../configure", "--target=#{target}",
+                             "--prefix=#{prefix}",
+                             "--infodir=#{info}/#{target}",
+                             "--disable-nls",
+                             "--without-isl",
+                             "--without-headers",
+                             "--with-as=#{Formula["arm-none-eabi-binutils"].bin}/arm-none-eabi-as",
+                             "--with-ld=#{Formula["arm-none-eabi-binutils"].bin}/arm-none-eabi-ld",
+                             "--enable-languages=c,c++"
+      system "make", "all-gcc"
+      system "make", "install-gcc"
+      system "make", "all-target-libgcc"
+      system "make", "install-target-libgcc"
+
+      # FSF-related man pages may conflict with native gcc
+      (share/"man/man7").rmtree
+    end
+  end
+
+  test do
+    (testpath/"test-c.c").write <<~EOS
+      int main(void)
+      {
+        int i=0;
+        while(i<10) i++;
+        return i;
+      }
+    EOS
+    system "#{bin}/arm-none-eabi-gcc", "-c", "-o", "test-c.o", "test-c.c"
+    assert_match "file format elf32-littlearm",
+                 shell_output("#{Formula["arm-none-eabi-binutils"].bin}/arm-none-eabi-objdump -a test-c.o")
+  end
+end