static llvm

Author: mxcl

.github/Dockerfile

@@ -16,6 +16,7 @@ COPY --from=stage1 /root/.cache/deno /root/.cache/deno
 
 # libc6-dev: platform specific c-headers that LLVM doesn’t provide
 # libgcc-8-dev: provides the c runtime `crtbeginS.o`
-RUN apt-get update && apt-get install --yes libc6-dev libgcc-8-dev
+# libstdc++-8-dev: TODO remove
+RUN apt-get update && apt-get install --yes libc6-dev libgcc-8-dev libstdc++-8-dev
 
 ENV PKGX_DIST_URL="https://dist.pkgx.dev/v2"

projects/llvm.org/build.ts

@@ -12,7 +12,7 @@ import { BuildOptions, env_include, Path, run, SemVer, unarchive } from "brewkit
 
 export default async function build({ prefix, version, tag, deps }: BuildOptions) {
   await unarchive(
-    `https://github.com/llvm/llvm-project/releases/download/${tag}/llvm-project-${version}.src.tar.gz`,
+    `https://github.com/llvm/llvm-project/releases/download/${tag}/llvm-project-${version}.src.tar.xz`,
   );
 
   // build what is provided by GNU “bintools”
@@ -39,11 +39,15 @@ export default async function build({ prefix, version, tag, deps }: BuildOptions
       platform_specific_cmake_args += `
         -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON
         -DCMAKE_C_COMPILER_TARGET=x86_64-unknown-linux-gnu
-        -DLLVM_ENABLE_RUNTIMES=compiler-rt
+       #-DLLVM_ENABLE_RUNTIMES=compiler-rt
         -DCOMPILER_RT_BUILD_XRAY=OFF
         -DCOMPILER_RT_BUILD_LIBFUZZER=OFF
         -DZLIB_INCLUDE_DIR=-I${deps['zlib.net'].prefix}/include
-        "-DZLIB_LIBRARY=-L${deps['zlib.net'].prefix}/lib -lz"
+       "-DZLIB_LIBRARY=-L${deps['zlib.net'].prefix}/lib -lz"
+
+        # statically link against llvm’s own libc++ rather than dynamically against GNU libstdc++
+        -DLLVM_ENABLE_LIBCXX=ON
+        -DLLVM_STATIC_LINK_CXX_STDLIB=ON
         `;
 
       extra_targets = "compiler-rt";