Merge pull request Homebrew#178772 from Homebrew/x86_64-elf-gdb-linkage

x86_64-elf-gcc, x86_64-elf-gdb: declare indirect deps with linkage

Formula/x/x86_64-elf-gcc.rb

@@ -24,6 +24,7 @@ class X8664ElfGcc < Formula
   depends_on "libmpc"
   depends_on "mpfr"
   depends_on "x86_64-elf-binutils"
+  depends_on "zstd"
 
   def install
     target = "x86_64-elf"
@@ -56,8 +57,9 @@ def install
         return i;
       }
     EOS
-    system "#{bin}/x86_64-elf-gcc", "-c", "-o", "test-c.o", "test-c.c"
-    assert_match "file format elf64-x86-64",
-      shell_output("#{Formula["x86_64-elf-binutils"].bin}/x86_64-elf-objdump -a test-c.o")
+
+    system bin/"x86_64-elf-gcc", "-c", "-o", "test-c.o", "test-c.c"
+    output = shell_output("#{Formula["x86_64-elf-binutils"].bin}/x86_64-elf-objdump -a test-c.o")
+    assert_match "file format elf64-x86-64", output
   end
 end

Formula/x/x86_64-elf-gdb.rb

@@ -22,11 +22,14 @@ class X8664ElfGdb < Formula
   end
 
   depends_on "x86_64-elf-gcc" => :test
+
   depends_on "gmp"
   depends_on "mpfr"
   depends_on "[email protected]"
   depends_on "xz" # required for lzma support
 
+  uses_from_macos "expat"
+  uses_from_macos "ncurses"
   uses_from_macos "zlib"
 
   on_system :linux, macos: :ventura_or_newer do
@@ -60,7 +63,8 @@ def install
   test do
     (testpath/"test.c").write "void _start(void) {}"
     system "#{Formula["x86_64-elf-gcc"].bin}/x86_64-elf-gcc", "-g", "-nostdlib", "test.c"
-    assert_match "Symbol \"_start\" is a function at address 0x",
-          shell_output("#{bin}/x86_64-elf-gdb -batch -ex 'info address _start' a.out")
+
+    output = shell_output("#{bin}/x86_64-elf-gdb -batch -ex 'info address _start' a.out")
+    assert_match "Symbol \"_start\" is a function at address 0x", output
   end
 end