From 75be93453fa27d355c187f1eeddfe8a8870abed0 Mon Sep 17 00:00:00 2001
From: Parker Timmerman <parker.timmerman@materialize.com>
Date: Sun, 14 Jul 2024 23:59:02 -0400
Subject: [PATCH 1/2] include libunwind with the toolchain * add
 rules_foreign_cc 0.9.0 * add cmake(...) rule to BUILD.llvm-raw that builds
 libunwind * include libunwind.a in the disk

---
 BUILD             |  1 +
 BUILD.llvm-raw    | 23 +++++++++++++++++++++++
 MODULE.bazel.lock | 19 +++++++++++++++++++
 WORKSPACE         | 11 +++++++++++
 4 files changed, 54 insertions(+)

diff --git a/BUILD b/BUILD
index 9cd9963e..09f849c2 100644
--- a/BUILD
+++ b/BUILD
@@ -55,6 +55,7 @@ DIST_FLAVORS = {
             ":bins" + suffix,
             "//:builtin_headers_pkg_files",
             "@llvm-raw//:libcxx_include",
+            "@llvm-raw//:unwind",
         ],
         empty_files = props.get("extra_empty_files", []),
         extension = ".tar.xz",
diff --git a/BUILD.llvm-raw b/BUILD.llvm-raw
index 6be9018c..32428ba0 100644
--- a/BUILD.llvm-raw
+++ b/BUILD.llvm-raw
@@ -1,5 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
+load("@rules_foreign_cc//foreign_cc:defs.bzl", "cmake")
 load("@rules_pkg//pkg:mappings.bzl", "pkg_files", "strip_prefix")
 load("@bazel_skylib//rules:copy_file.bzl", "copy_file")
 
@@ -46,3 +47,25 @@ pkg_files(
     strip_prefix = "libcxx/include",
     prefix = "include/c++/v1",
 )
+
+filegroup(
+    name = "llvm_srcs",
+    srcs = glob(["**"]),
+)
+
+cmake(
+    name = "unwind",
+    lib_source = ":llvm_srcs",
+    working_directory = "llvm",
+    build_args = ["-j10"],
+    generate_args = [
+        "-DCMAKE_BUILD_TYPE=Debug",
+        "-DLLVM_ENABLE_RUNTIMES=libunwind",
+    ],
+    postfix_script = """\
+cp ${BUILD_TMPDIR}/lib/libunwind.a ${INSTALLDIR}/lib
+    """,
+    targets = ["unwind"],
+    out_static_libs = ["libunwind.a"],
+    install = False,
+)
diff --git a/MODULE.bazel.lock b/MODULE.bazel.lock
index d0570c51..1a88eb7c 100644
--- a/MODULE.bazel.lock
+++ b/MODULE.bazel.lock
@@ -1734,6 +1734,25 @@
         ]
       }
     },
+    "@@bazel_tools//tools/osx:xcode_configure.bzl%xcode_configure_extension": {
+      "general": {
+        "bzlTransitiveDigest": "Qh2bWTU6QW6wkrd87qrU4YeY+SG37Nvw3A0PR4Y0L2Y=",
+        "accumulatedFileDigests": {},
+        "envVariables": {},
+        "generatedRepoSpecs": {
+          "local_config_xcode": {
+            "bzlFile": "@@bazel_tools//tools/osx:xcode_configure.bzl",
+            "ruleClassName": "xcode_autoconf",
+            "attributes": {
+              "name": "bazel_tools~xcode_configure_extension~local_config_xcode",
+              "xcode_locator": "@bazel_tools//tools/osx:xcode_locator.m",
+              "remote_xcode": ""
+            }
+          }
+        },
+        "recordedRepoMappingEntries": []
+      }
+    },
     "@@bazel_tools//tools/sh:sh_configure.bzl%sh_configure_extension": {
       "general": {
         "bzlTransitiveDigest": "hp4NgmNjEg5+xgvzfh6L83bt9/aiiWETuNpwNuF1MSU=",
diff --git a/WORKSPACE b/WORKSPACE
index a487a500..58f21382 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -16,6 +16,17 @@ http_archive(
     ],
 )
 
+FOREIGN_CC_VERSION = "0.9.0"
+
+http_archive(
+    name = "rules_foreign_cc",
+    sha256 = "",
+    strip_prefix = "rules_foreign_cc-{version}".format(version = FOREIGN_CC_VERSION),
+    url = "https://github.com/bazelbuild/rules_foreign_cc/archive/{version}.tar.gz".format(version = FOREIGN_CC_VERSION),
+)
+load("@rules_foreign_cc//foreign_cc:repositories.bzl", "rules_foreign_cc_dependencies")
+rules_foreign_cc_dependencies()
+
 LLVM_COMMIT = "26a1d6601d727a96f4301d0d8647b5a42760ae0c"  # 18.1.2
 
 http_archive(

From 584b3b325622266e95818152d5bd28d8dadffd4c Mon Sep 17 00:00:00 2001
From: Parker Timmerman <parker.timmerman@materialize.com>
Date: Mon, 15 Jul 2024 00:04:36 -0400
Subject: [PATCH 2/2] configure for Release mode

---
 BUILD.llvm-raw | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/BUILD.llvm-raw b/BUILD.llvm-raw
index 32428ba0..4926f601 100644
--- a/BUILD.llvm-raw
+++ b/BUILD.llvm-raw
@@ -59,7 +59,7 @@ cmake(
     working_directory = "llvm",
     build_args = ["-j10"],
     generate_args = [
-        "-DCMAKE_BUILD_TYPE=Debug",
+        "-DCMAKE_BUILD_TYPE=Release",
         "-DLLVM_ENABLE_RUNTIMES=libunwind",
     ],
     postfix_script = """\