Initial commit

.gitignore

@@ -0,0 +1,2 @@
+# Exclude bpm archives
+*.bpm

check-version.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+# Ignore this package
+echo "ignore"

pkg.info

@@ -0,0 +1,64 @@
+name: llvm20
+description: A collection of modular and reusable compiler and toolchain technologies
+version: 20.1.8
+revision: 1
+url: https://llvm.org
+license: Apache2-with-llvm-exception
+architecture: any
+type: source
+make_depends:
+  - cmake
+  - libffi
+  - ncurses
+  - ninja
+  - python3
+  - zlib
+  - zstd
+downloads:
+  - url: https://github.com/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/llvm-${BPM_PKG_VERSION}.src.tar.xz
+    extract_to: ${BPM_SOURCE}
+    extract_strip_components: 1
+    checksum: e1363888216b455184dbb8a74a347bf5612f56a3f982369e1cba6c7e0726cde1
+  - url: https://github.com/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/clang-${BPM_PKG_VERSION}.src.tar.xz
+    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-${BPM_PKG_VERSION}.src.tar.xz
+    extract_to: cmake
+    extract_strip_components: 1
+    checksum: 3319203cfd1172bbac50f06fa68e318af84dcb5d65353310c0586354069d6634
+  - url: https://github.com/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/third-party-${BPM_PKG_VERSION}.src.tar.xz
+    extract_to: third-party
+    extract_strip_components: 1
+    checksum: 9a4e452a8163732d417db067a89190fcda823cb3aa33199e834ac7c028923f4b
+split_packages:
+  - name: llvm20
+    depends:
+      - llvm20-libs
+      - perl
+  - name: llvm20-libs
+    description: Runtime libraries for LLVM
+    depends:
+      - gcc-libs
+      - libedit
+      - libffi
+      - libxml2
+      - zlib
+      - zstd
+  - name: compiler-rt20
+    description: Compiler runtime libraries for clang
+    depends:
+      - gcc-libs
+  - name: clang20
+    description: C language family frontend for LLVM
+    url: https://clang.llvm.org/
+    depends:
+      - compiler-rt20
+      - gcc
+      - llvm20-libs
+    optional_depends:
+      - llvm20

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

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+# This is the source.sh script. It is executed by BPM in a temporary directory when compiling a source package
+# 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/lib/llvm20 \
+        -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        \
+        -Wno-dev -G Ninja
+  cmake --build build
+}
+
+_pick() {
+  local p="$1" f d; shift
+  for f; do
+    [ -d "$BPM_WORKDIR"/output_"$p" ] || { echo "Split package $p not found"; exit 1; } 
+    d="$BPM_WORKDIR"/output_"$p"/"${f#$BPM_OUTPUT}"
+    mkdir -p "$(dirname "$d")"
+    mv "$f" "$d"
+    rmdir -p --ignore-fail-on-non-empty "$(dirname "$f")"
+  done
+}
+
+# The package function is executed in the source directory
+# This function is used to move the compiled files into the output directory
+package_llvm20() {
+  DESTDIR="$BPM_OUTPUT" cmake --install build
+
+  cd "$BPM_OUTPUT"
+
+  # Move compiler-rt files into split package
+  _pick compiler-rt20 usr/lib/llvm20/lib/clang/${BPM_PKG_VERSION%%.*}/bin/hwasan_symbolize
+  _pick compiler-rt20 usr/lib/llvm20/lib/clang/${BPM_PKG_VERSION%%.*}/include/fuzzer
+  _pick compiler-rt20 usr/lib/llvm20/lib/clang/${BPM_PKG_VERSION%%.*}/include/orc
+  _pick compiler-rt20 usr/lib/llvm20/lib/clang/${BPM_PKG_VERSION%%.*}/include/profile
+  _pick compiler-rt20 usr/lib/llvm20/lib/clang/${BPM_PKG_VERSION%%.*}/include/sanitizer
+  _pick compiler-rt20 usr/lib/llvm20/lib/clang/${BPM_PKG_VERSION%%.*}/include/xray
+  _pick compiler-rt20 usr/lib/llvm20/lib/clang/${BPM_PKG_VERSION%%.*}/lib
+  _pick compiler-rt20 usr/lib/llvm20/lib/clang/${BPM_PKG_VERSION%%.*}/share
+
+  # Move clang files into split package
+  _pick clang20 usr/lib/llvm20/bin/{amdgpu-arch,analyze-build,c-index-test,diagtool,git-clang-format,hmaptool,intercept-build,nvptx-arch,scan-build,scan-build-py,scan-view}
+  _pick clang20 usr/lib/llvm20/bin/clang*
+  _pick clang20 usr/lib/llvm20/lib/libclang*
+  _pick clang20 usr/lib/llvm20/lib/cmake/clang
+  _pick clang20 usr/lib/llvm20/include/clang-c/
+  _pick clang20 usr/lib/llvm20/include/clang
+  _pick clang20 usr/lib/llvm20/lib/clang
+  _pick clang20 usr/lib/llvm20/share/clang
+  _pick clang20 usr/lib/llvm20/share/man/man1/scan-build.1
+  _pick clang20 usr/lib/llvm20/share/scan-build
+  _pick clang20 usr/lib/llvm20/share/scan-view
+
+  # Move runtime libraries into split package
+  for lib in libLLVM libLLVM-"${BPM_PKG_VERSION%%.*}"; do
+    _pick llvm20-libs usr/lib/llvm20/lib/"$lib".so*
+  done
+
+  # Create versioned symlinks from /usr/bin/ to /usr/lib/llvm20/bin/
+  install -d "$BPM_OUTPUT"/usr/bin
+  local _binary
+  for _binary in "$BPM_OUTPUT"/usr/lib/llvm20/bin/*; do
+    local _basename=${_binary##*/}
+    ln -s ../lib/llvm20/bin/"$_basename" "$BPM_OUTPUT"/usr/bin/"$_basename"-20
+  done
+
+  # Install package license
+  install -Dm644 "$BPM_SOURCE"/LICENSE.TXT "$BPM_OUTPUT"/usr/share/licenses/llvm20/LICENSE.TXT
+}
+
+package_llvm20-libs() {
+  # Symlink libraries
+  for lib in libLLVM.so.${BPM_PKG_VERSION%.*} libLLVM-${BPM_PKG_VERSION%%.*}.so; do
+    ln -s llvm20/lib/"$lib" "$BPM_OUTPUT"/usr/lib/"$lib"
+  done
+
+  # Install package license
+  install -Dm644 "$BPM_SOURCE"/LICENSE.TXT "$BPM_OUTPUT"/usr/share/licenses/llvm20-libs/LICENSE.TXT
+}
+
+package_compiler-rt20() {
+  # Install package license
+  install -Dm644 "$BPM_SOURCE"/LICENSE.TXT "$BPM_OUTPUT"/usr/share/licenses/compiler-rt20/LICENSE.TXT
+}
+
+package_clang20() {
+  # Symlink libraries
+  for lib in libclang-cpp.so.${BPM_PKG_VERSION%.*} libclang.so.${BPM_PKG_VERSION%.*}; do
+    ln -s llvm20/lib/"$lib" "$BPM_OUTPUT"/usr/lib/"$lib"
+  done
+
+  # Install package license
+  install -Dm644 "$BPM_SOURCE"/LICENSE.TXT "$BPM_OUTPUT"/usr/share/licenses/clang20/LICENSE.TXT
+}