llvm: remove unused options.

Formula/llvm.rb

@@ -126,14 +126,8 @@ class Llvm < Formula
   option "without-compiler-rt", "Do not build Clang runtime support libraries for code sanitizers, builtins, and profiling"
   option "without-libcxx", "Do not build libc++ standard library"
   option "with-toolchain", "Build with Toolchain to facilitate overriding system compiler"
-  option "without-libunwind", "Do not build libunwind library"
-  option "without-lld", "Do not build LLD linker"
   option "with-lldb", "Build LLDB debugger"
   option "with-python", "Build bindings against custom Python"
-  option "without-rtti", "Build without C++ RTTI or exception handling"
-  option "without-utils", "Do not install utility binaries"
-  option "without-polly", "Do not build Polly optimizer"
-  option "with-test", "Build LLVM unit tests"
   option "with-shared-libs", "Build shared instead of static libraries"
   option "without-libffi", "Do not use libffi to call external functions"
   option "with-all-targets", "Build all targets. Default targets: AMDGPU, ARM, NVPTX, and X86"
@@ -159,8 +153,6 @@ class Llvm < Formula
     depends_on CodesignRequirement
   end
 
-  # Apple's libstdc++ is too old to build LLVM
-  fails_with :llvm
   # According to the official llvm readme, GCC 4.7+ is required
   fails_with :gcc_4_0
   fails_with :gcc
@@ -180,9 +172,9 @@ class Llvm < Formula
     (buildpath/"tools/clang/tools/extra").install resource("clang-extra-tools")
     (buildpath/"projects/openmp").install resource("openmp")
     (buildpath/"projects/libcxx").install resource("libcxx") if build_libcxx?
-    (buildpath/"projects/libunwind").install resource("libunwind") if build.with? "libunwind"
-    (buildpath/"tools/lld").install resource("lld") if build.with? "lld"
-    (buildpath/"tools/polly").install resource("polly") if build.with? "polly"
+    (buildpath/"projects/libunwind").install resource("libunwind")
+    (buildpath/"tools/lld").install resource("lld")
+    (buildpath/"tools/polly").install resource("polly")
 
     if build.with? "lldb"
       if build.with? "python"
@@ -218,6 +210,11 @@ class Llvm < Formula
     args = %w[
       -DLLVM_OPTIMIZED_TABLEGEN=ON
       -DLLVM_INCLUDE_DOCS=OFF
+      -DLLVM_ENABLE_RTTI=ON
+      -DLLVM_ENABLE_EH=ON
+      -DLLVM_INSTALL_UTILS=ON
+      -DWITH_POLLY=ON
+      -DLINK_POLLY_INTO_TOOLS=ON
     ]
     args << "-DLLVM_TARGETS_TO_BUILD=#{build.with?("all-targets") ? "all" : "AMDGPU;ARM;NVPTX;X86"}"
     args << "-DLIBOMP_ARCH=x86_64"
@@ -231,16 +228,6 @@ class Llvm < Formula
       args << "-DLLVM_BUILD_LLVM_DYLIB=ON"
     end
 
-    if build.with? "test"
-      args << "-DLLVM_BUILD_TESTS=ON"
-      args << "-DLLVM_ABI_BREAKING_CHECKS=WITH_ASSERTS"
-    end
-
-    if build.with? "rtti"
-      args << "-DLLVM_ENABLE_RTTI=ON"
-      args << "-DLLVM_ENABLE_EH=ON"
-    end
-    args << "-DLLVM_INSTALL_UTILS=ON" if build.with? "utils"
     args << "-DLLVM_ENABLE_LIBCXX=ON" if build_libcxx?
 
     if build.with?("lldb") && build.with?("python")
@@ -260,11 +247,6 @@ class Llvm < Formula
       args << "-DCMAKE_OSX_ARCHITECTURES=#{Hardware::CPU.universal_archs.as_cmake_arch_flags}"
     end
 
-    if build.with? "polly"
-      args << "-DWITH_POLLY=ON"
-      args << "-DLINK_POLLY_INTO_TOOLS=ON"
-    end
-
     mktemp do
       if build.with? "ocaml"
         ENV["OPAMYES"] = "1"