From ad3108be59c8b5165b996c8540f9b6ccd72532dc Mon Sep 17 00:00:00 2001
From: EnumDev <enumdev@enumerated.dev>
Date: Wed, 12 Mar 2025 21:48:58 +0200
Subject: [PATCH] Add clang as split package

---
 pkg.info       |  5 +++--
 pkg.info.clang |  9 +++++++++
 source.sh      | 31 +++++++++++++++++++++++++++++--
 3 files changed, 41 insertions(+), 4 deletions(-)
 create mode 100644 pkg.info.clang

diff --git a/pkg.info b/pkg.info
index 3f2509d..8f71309 100644
--- a/pkg.info
+++ b/pkg.info
@@ -2,7 +2,8 @@ name: llvm
 description: A collection of modular and reusable compiler and toolchain technologies
 version: 17.0.6
 url: https://llvm.org
-license: Apache-2.0 with llvm exceptions
+license: Apache2-with-llvm-exception
 architecture: any
-depends: ["cmake","python3"]
+depends: ["perl"]
+make_depends: ["cmake","libffi","ncurses","ninja","python3","zlib","zstd"]
 type: source
diff --git a/pkg.info.clang b/pkg.info.clang
new file mode 100644
index 0000000..300013c
--- /dev/null
+++ b/pkg.info.clang
@@ -0,0 +1,9 @@
+name: clang
+description: C language family frontend for LLVM
+version: 17.0.6
+url: https://clang.llvm.org/
+license: Apache2-with-llvm-exception
+architecture: any
+depends: ["gcc","llvm"]
+make_depends: ["cmake","libffi","ncurses","ninja","python3","zlib","zstd"]
+type: source
diff --git a/source.sh b/source.sh
index 7693520..d1784f4 100644
--- a/source.sh
+++ b/source.sh
@@ -3,9 +3,11 @@
 # BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT
 
 DOWNLOAD="https://github.com/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/llvm-${BPM_PKG_VERSION}.src.tar.xz"
+DOWNLOAD_CLANG="https://github.com/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/clang-${BPM_PKG_VERSION}.src.tar.xz"
 DOWNLOAD_CMAKE_MODULES="https://github.com/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/cmake-${BPM_PKG_VERSION}.src.tar.xz"
 DOWNLOAD_THIRD_PARTY="https://github.com/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/third-party-${BPM_PKG_VERSION}.src.tar.xz"
 FILENAME="${DOWNLOAD##*/}"
+FILENAME_CLANG="${DOWNLOAD_CLANG##*/}"
 FILENAME_CMAKE_MODULES="${DOWNLOAD_CMAKE_MODULES##*/}"
 FILENAME_THIRD_PARTY="${DOWNLOAD_THIRD_PARTY##*/}"
 
@@ -13,9 +15,12 @@ FILENAME_THIRD_PARTY="${DOWNLOAD_THIRD_PARTY##*/}"
 # This function is used for downloading files and putting them into the correct location
 prepare() {
   wget "$DOWNLOAD"
+  wget "$DOWNLOAD_CLANG"
   wget "$DOWNLOAD_CMAKE_MODULES"
   wget "$DOWNLOAD_THIRD_PARTY"
   tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"
+  tar -xvf "$FILENAME_CLANG" -C "$BPM_SOURCE"/tools
+  mv "$BPM_SOURCE"/tools/clang-${BPM_PKG_VERSION}.src "$BPM_SOURCE"/tools/clang
   mkdir {cmake,third-party}
   tar -xvf "$FILENAME_CMAKE_MODULES" --strip-components=1 -C cmake
   tar -xvf "$FILENAME_THIRD_PARTY" --strip-components=1 -C third-party
@@ -25,7 +30,7 @@ prepare() {
 # This function is used to compile the source code
 build() {
 
-  mkdir -v build
+  mkdir build
   cd build
   
   CC=gcc CXX=g++                              \
@@ -35,9 +40,9 @@ build() {
         -DLLVM_BUILD_LLVM_DYLIB=ON            \
         -DLLVM_LINK_LLVM_DYLIB=ON             \
         -DLLVM_ENABLE_RTTI=ON                 \
-        -DLLVM_TARGETS_TO_BUILD="host"        \
         -DLLVM_BINUTILS_INCDIR=/usr/include   \
         -DLLVM_INCLUDE_BENCHMARKS=OFF         \
+        -DCLANG_DEFAULT_PIE_ON_LINUX=ON       \
         -Wno-dev -G Ninja ..
   ninja
 }
@@ -48,4 +53,26 @@ package() {
   cd build
   DESTDIR="$BPM_OUTPUT" ninja install
   cp bin/FileCheck "$BPM_OUTPUT"/usr/bin
+  install -Dm644 ../LICENSE.TXT "$BPM_OUTPUT"/usr/share/licenses/llvm/LICENSE.TXT
+
+  CLANG="$BPM_WORKDIR"/clang-output
+  mkdir -p "$CLANG"/{usr/bin,usr/lib,usr/lib/cmake/,usr/include,usr/share,usr/share/man/man1}
+  mv "$BPM_OUTPUT"/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} "$CLANG"/usr/bin
+  mv "$BPM_OUTPUT"/usr/bin/clang* -t "$CLANG"/usr/bin
+  mv "$BPM_OUTPUT"/usr/lib/libclang* -t "$CLANG"/usr/lib
+  mv "$BPM_OUTPUT"/usr/lib/cmake/clang -t "$CLANG"/usr/lib/cmake/
+  mv "$BPM_OUTPUT"/usr/include/clang-c/ -t "$CLANG"/usr/include
+  mv "$BPM_OUTPUT"/usr/include/clang -t "$CLANG"/usr/include
+  mv "$BPM_OUTPUT"/usr/lib/clang -t "$CLANG"/usr/lib
+  mv "$BPM_OUTPUT"/usr/share/clang -t "$CLANG"/usr/share
+  mv "$BPM_OUTPUT"/usr/share/man/man1/scan-build.1 -t "$CLANG"/usr/share/man/man1
+  mv "$BPM_OUTPUT"/usr/share/scan-build -t "$CLANG"/usr/share
+  mv "$BPM_OUTPUT"/usr/share/scan-view -t "$CLANG"/usr/share
+}
+
+package-clang() {
+  CLANG="$BPM_WORKDIR"/clang-output
+  rmdir "$BPM_OUTPUT"
+  mv "$CLANG" "$BPM_OUTPUT"
+  install -Dm644 "$BPM_SOURCE"/LICENSE.TXT "$BPM_OUTPUT"/usr/share/licenses/clang/LICENSE.TXT
 }