Add compiler-rt as split package and other minor changes

pkg.info

@@ -1,7 +1,7 @@
 name: llvm
 description: A collection of modular and reusable compiler and toolchain technologies
 version: 20.1.8
-revision: 4
+revision: 5
 url: https://llvm.org
 license: Apache2-with-llvm-exception
 architecture: any
@@ -23,6 +23,10 @@ downloads:
     extract_to: ${BPM_SOURCE}/tools/clang
     extract_strip_components: 1
     checksum: b7a1b7b0af7b9c7596af6bd46e36d11321926eaa66a7a7dc957ab0a1375ee4b0
+  - url: https://github.com/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/compiler-rt-${BPM_PKG_VERSION}.src.tar.xz
+    extract_to: ${BPM_SOURCE}/projects/compiler-rt
+    extract_strip_components: 1
+    checksum: 15277402f6fd63397c0917a5c7171cda82d16d226094b828c1ed0f58f73b9c69
   - url: https://github.com/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/cmake-${BPM_PKG_VERSION}.src.tar.xz
     extract_to: cmake
     extract_strip_components: 1
@@ -37,6 +41,7 @@ split_packages:
       - llvm-libs
       - perl
   - name: llvm-libs
+    description: Runtime libraries for LLVM
     depends:
       - gcc-libs
       - libedit
@@ -44,9 +49,16 @@ split_packages:
       - libxml2
       - zlib
       - zstd
+  - name: compiler-rt
+    description: Compiler runtime libraries for clang
+    depends:
+      - gcc-libs
   - name: clang
     description: C language family frontend for LLVM
     url: https://clang.llvm.org/
     depends:
+      - compiler-rt
       - gcc
+      - llvm-libs
+    optional_depends:
       - llvm

source-files/enable-fstack-protector-strong-by-default.patch

@@ -0,0 +1,72 @@
+From 669e0924afcedf27350469a944267cad4aabb866 Mon Sep 17 00:00:00 2001
+From: Evangelos Foutras <[email protected]>
+Date: Sun, 30 Jun 2024 08:51:20 +0000
+Subject: [PATCH] Enable -fstack-protector-strong by default
+
+---
+ clang/lib/Driver/ToolChains/Linux.h | 5 +++++
+ clang/test/Driver/fsanitize.c       | 6 +++---
+ clang/test/Driver/stack-protector.c | 4 ++--
+ 3 files changed, 10 insertions(+), 5 deletions(-)
+
+diff --git a/clang/lib/Driver/ToolChains/Linux.h b/clang/lib/Driver/ToolChains/Linux.h
+index 524391743090..0d4e1944118b 100644
+--- a/clang/lib/Driver/ToolChains/Linux.h
++++ b/clang/lib/Driver/ToolChains/Linux.h
+@@ -10,6 +10,7 @@
+ #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_LINUX_H
+ 
+ #include "Gnu.h"
++#include "clang/Basic/LangOptions.h"
+ #include "clang/Driver/ToolChain.h"
+ 
+ namespace clang {
+@@ -48,6 +49,10 @@ public:
+   IsAArch64OutlineAtomicsDefault(const llvm::opt::ArgList &Args) const override;
+   bool isPIEDefault(const llvm::opt::ArgList &Args) const override;
+   bool IsMathErrnoDefault() const override;
++  LangOptions::StackProtectorMode
++  GetDefaultStackProtectorLevel(bool KernelOrKext) const override {
++    return LangOptions::SSPStrong;
++  }
+   SanitizerMask getSupportedSanitizers() const override;
+   void addProfileRTLibs(const llvm::opt::ArgList &Args,
+                         llvm::opt::ArgStringList &CmdArgs) const override;
+diff --git a/clang/test/Driver/fsanitize.c b/clang/test/Driver/fsanitize.c
+index 1671825042c3..5d8ac7009f8c 100644
+--- a/clang/test/Driver/fsanitize.c
++++ b/clang/test/Driver/fsanitize.c
+@@ -700,12 +700,12 @@
+ // RUN: %clang -fno-sanitize=safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=NOSP
+ // NOSP-NOT: "-fsanitize=safe-stack"
+ 
+-// RUN: %clang --target=x86_64-linux-gnu -fsanitize=safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=NO-SP
++// RUN: %clang --target=x86_64-linux-gnu -fsanitize=safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=SP
+ // RUN: not %clang --target=x86_64-linux-gnu -fsanitize=address,safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=SP-ASAN
+ // RUN: %clang --target=x86_64-linux-gnu -fstack-protector -fsanitize=safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=SP
+ // RUN: %clang --target=x86_64-linux-gnu -fsanitize=safe-stack -fstack-protector-all -### %s 2>&1 | FileCheck %s -check-prefix=SP
+-// RUN: %clang --target=arm-linux-androideabi -fsanitize=safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=NO-SP
+-// RUN: %clang --target=aarch64-linux-android -fsanitize=safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=NO-SP
++// RUN: %clang --target=arm-linux-androideabi -fsanitize=safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=SP
++// RUN: %clang --target=aarch64-linux-android -fsanitize=safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=SP
+ // NO-SP-NOT: stack-protector
+ // NO-SP: "-fsanitize=safe-stack"
+ // SP-ASAN: error: invalid argument '-fsanitize=safe-stack' not allowed with '-fsanitize=address'
+diff --git a/clang/test/Driver/stack-protector.c b/clang/test/Driver/stack-protector.c
+index 169376919a71..2470b7f7e39e 100644
+--- a/clang/test/Driver/stack-protector.c
++++ b/clang/test/Driver/stack-protector.c
+@@ -3,11 +3,11 @@
+ // NOSSP-NOT: "-stack-protector-buffer-size" 
+ 
+ // RUN: %clang -target i386-unknown-linux -fstack-protector -### %s 2>&1 | FileCheck %s -check-prefix=SSP
+-// SSP: "-stack-protector" "1"
++// SSP: "-stack-protector" "2"
+ // SSP-NOT: "-stack-protector-buffer-size" 
+ 
+ // RUN: %clang -target i386-unknown-linux -fstack-protector --param ssp-buffer-size=16 -### %s 2>&1 | FileCheck %s -check-prefix=SSP-BUF
+-// SSP-BUF: "-stack-protector" "1"
++// SSP-BUF: "-stack-protector" "2"
+ // SSP-BUF: "-stack-protector-buffer-size" "16" 
+ 
+ // RUN: %clang -target i386-pc-openbsd -### %s 2>&1 | FileCheck %s -check-prefix=OPENBSD

source.sh

@@ -2,19 +2,28 @@
 # BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
 # BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT
 
+# The prepare function is executed in the root of the temp directory
+# This function is used for putting downloaded files to the correct location or applying patches
+prepare() {
+  cd "$BPM_SOURCE"/tools
+  patch -Np1 -i "$BPM_WORKDIR"/enable-fstack-protector-strong-by-default.patch
+}
+
 # The build function is executed in the source directory
 # This function is used to compile the source code
 build() {
   export CC=gcc CXX=g++
   cmake -B build -DCMAKE_INSTALL_PREFIX=/usr      \
-        -DLLVM_ENABLE_FFI=ON                  \
         -DCMAKE_BUILD_TYPE=Release                \
+        -DCMAKE_SKIP_INSTALL_RPATH=ON             \
+        -DLLVM_ENABLE_FFI=ON                      \
         -DLLVM_BUILD_LLVM_DYLIB=ON                \
         -DLLVM_LINK_LLVM_DYLIB=ON                 \
         -DLLVM_ENABLE_RTTI=ON                     \
         -DLLVM_BINUTILS_INCDIR=/usr/include       \
         -DLLVM_INCLUDE_BENCHMARKS=OFF             \
         -DCLANG_DEFAULT_PIE_ON_LINUX=ON           \
+        -DCLANG_CONFIG_FILE_SYSTEM_DIR=/etc/clang \
         -Wno-dev -G Ninja
   cmake --build build
 }
@@ -40,6 +49,16 @@ package_llvm() {
 
   cd "$BPM_OUTPUT"
 
+  # Move compiler-rt files into split packag
+  _pick compiler-rt usr/lib/clang/${BPM_PKG_VERSION%%.*}/bin/hwasan_symbolize
+  _pick compiler-rt usr/lib/clang/${BPM_PKG_VERSION%%.*}/include/fuzzer
+  _pick compiler-rt usr/lib/clang/${BPM_PKG_VERSION%%.*}/include/orc
+  _pick compiler-rt usr/lib/clang/${BPM_PKG_VERSION%%.*}/include/profile
+  _pick compiler-rt usr/lib/clang/${BPM_PKG_VERSION%%.*}/include/sanitizer
+  _pick compiler-rt usr/lib/clang/${BPM_PKG_VERSION%%.*}/include/xray
+  _pick compiler-rt usr/lib/clang/${BPM_PKG_VERSION%%.*}/lib
+  _pick compiler-rt usr/lib/clang/${BPM_PKG_VERSION%%.*}/share
+
   # Move clang files into split package
   _pick clang usr/bin/{amdgpu-arch,analyze-build,c-index-test,diagtool,git-clang-format,hmaptool,intercept-build,nvptx-arch,scan-build,scan-build-py,scan-view}
   _pick clang usr/bin/clang*
@@ -67,6 +86,11 @@ package_llvm-libs() {
   install -Dm644 "$BPM_SOURCE"/LICENSE.TXT "$BPM_OUTPUT"/usr/share/licenses/llvm-libs/LICENSE.TXT
 }
 
+package_compiler-rt() {
+  # Install package license
+  install -Dm644 "$BPM_SOURCE"/LICENSE.TXT "$BPM_OUTPUT"/usr/share/licenses/compiler-rt/LICENSE.TXT
+}
+
 package_clang() {
   # Install package license
   install -Dm644 "$BPM_SOURCE"/LICENSE.TXT "$BPM_OUTPUT"/usr/share/licenses/clang/LICENSE.TXT