Successfully built LLVM!

STATUS.md

@@ -42,7 +42,7 @@ Definitions:
 | `libtool`         | Yes        | Yes          |
 | `limine`          | Yes        | Yes          |
 | `linux`           | Yes        | Yes          |
-| `llvm`            | No         | No           |
+| `llvm`            | Yes        | No           |
 | `m4`              | Yes        | Yes          |
 | `make`            | Yes        | Yes          |
 | `mawk`            | Yes        | Yes          |

bootstrap.sh

@@ -245,11 +245,15 @@ SOURCES=(
     bzip2
     cmake
     coreutils
+    curl
     dash
     diffutils
+    expat
     findutils
     flex
     fortune-mod
+    gettext
+    git
     grep
     groff
     gzip
@@ -275,6 +279,7 @@ SOURCES=(
     patch
     perl
     pkgconf
+    python
     sed
     tar
     xz

rootbuild.sh

@@ -62,10 +62,12 @@ echo "Done!"
 # NOTE: curl requires LibreSSL and zlib to build. ~ahill
 # NOTE: gettext requires ncurses to build. ~ahill
 # NOTE: git requires curl, expat, and gettext to build. ~ahill
+# NOTE: Python requires bzip2, expat, LibreSSL, ncurses, xz, and zlib to build. ~ahill
+# NOTE: LLVM requires CMake and Python to build. ~ahill
 cd /maple
 LAYER0="bc byacc bzip2 coreutils diffutils expat findutils grep gzip initramfs-tools libressl m4 make mawk muon musl ncurses patch perl pkgconf sed tar xz zlib zsh"
-LAYER1="autoconf automake curl flex gettext groff libarchive libcap2 libelf libtool nano openrc"
-LAYER2="cmake dash fortune-mod kmod nasm"
+LAYER1="autoconf automake curl flex gettext groff libarchive libcap2 libelf libtool nano openrc python"
+LAYER2="cmake dash fortune-mod git kmod llvm nasm"
 LAYER3="limine linux"
 PACKAGES="$LAYER0 $LAYER1 $LAYER2 $LAYER3"
 for pkg in $PACKAGES; do

sources/llvm/llvm.spec

@@ -1,5 +1,56 @@
 # Maintainer: Alexander Hill <ahill@breadpudding.dev>
 SRC_HASH="4633a23617fa31a3ea51242586ea7fb1da7140e426bd62fc164261fe036aa142"
 SRC_NAME="llvm"
+SRC_PATCHES="
+1e52d86c422498ed5d926ad90e0787e79b8a02cb33cc916b1897c2a6ebfef9fc  rtsan-127764.patch
+"
 SRC_URL="https://github.com/llvm/llvm-project/releases/download/llvmorg-21.1.8/llvm-project-21.1.8.src.tar.xz"
 SRC_VERSION="21.1.8"
+
+build() {
+    tar xf ../$SRC_FILENAME
+    cd llvm-project-$SRC_VERSION.src/
+    # NOTE: This version of LLVM has an issue where compiler-rt attempts to use
+    #       a header before it is has been built. This patch fixes it. ~ahill
+    # See also: https://github.com/llvm/llvm-project/issues/127764
+    patch -p1 < ../rtsan-127764.patch 
+    # NOTE: compiler-rt fails to build on musl because execinfo.h is missing.
+    #       Disabling COMPILER_RT_BUILD_GWP_ASAN works. ~ahill
+    # NOTE: LLVM_ENABLE_ZSTD is disabled because we don't have zstd in the
+    #       sysroot, and because I don't believe that a library created by
+    #       Facebook should be required for an operating system to function.
+    #       ~ahill
+    # NOTE: Many build scripts still rely on the old Unix names for tools such
+    #       as cc and ld to function. Because of this, we enable
+    #       LLVM_INSTALL_BINUTILS_SYMLINKS and LLVM_INSTALL_CCTOOLS_SYMLINKS for
+    #       compatibility's sake. ~ahill
+    cmake -B build -S llvm \
+        -DCLANG_DEFAULT_CXX_STDLIB=libc++ \
+        -DCLANG_DEFAULT_LINKER=lld \
+        -DCLANG_DEFAULT_RTLIB=compiler-rt \
+        -DCLANG_DEFAULT_UNWINDLIB=libunwind \
+        -DCLANG_VENDOR=Maple \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_INSTALL_PREFIX=$TT_INSTALLDIR \
+        -DCOMPILER_RT_BUILD_GWP_ASAN=OFF \
+        -DCOMPILER_RT_USE_BUILTINS_LIBRARY=ON \
+        -DLIBCXX_CXX_ABI=libcxxabi \
+        -DLIBCXX_HAS_MUSL_LIBC=ON \
+        -DLIBCXX_USE_COMPILER_RT=ON \
+        -DLIBCXXABI_USE_COMPILER_RT=ON \
+        -DLIBCXXABI_USE_LLVM_UNWINDER=ON \
+        -DLIBUNWIND_USE_COMPILER_RT=ON \
+        -DLLVM_ENABLE_PROJECTS="clang;lld;llvm" \
+        -DLLVM_ENABLE_RUNTIMES="compiler-rt;libclc;libcxx;libcxxabi;libunwind" \
+        -DLLVM_ENABLE_ZSTD=OFF \
+        -DLLVM_HOST_TRIPLE=$TT_TARGET \
+        -DLLVM_INSTALL_BINUTILS_SYMLINKS=ON \
+        -DLLVM_INSTALL_CCTOOLS_SYMLINKS=ON
+    cmake --build build --parallel $TT_PROCS
+    cmake --install build --parallel $TT_PROCS
+    # NOTE: LLVM doesn't add symlinks for clang or ld.lld, so I'll make them
+    #       myself. ~ahill
+    ln -sf clang $TT_INSTALLDIR/bin/cc
+    ln -sf clang++ $TT_INSTALLDIR/bin/c++
+    ln -sf ld.lld $TT_INSTALLDIR/bin/ld
+}

sources/llvm/rtsan-127764.patch

@@ -0,0 +1,22 @@
+---
+ compiler-rt/lib/rtsan/CMakeLists.txt | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/compiler-rt/lib/rtsan/CMakeLists.txt b/compiler-rt/lib/rtsan/CMakeLists.txt
+index a4413d9992b6..40bcf7facad7 100644
+--- a/compiler-rt/lib/rtsan/CMakeLists.txt
++++ b/compiler-rt/lib/rtsan/CMakeLists.txt
+@@ -37,6 +37,11 @@ set(RTSAN_DYNAMIC_LIBS
+   ${SANITIZER_CXX_ABI_LIBRARIES}
+   ${SANITIZER_COMMON_LINK_LIBS})
+ 
++if(TARGET cxx-headers OR HAVE_LIBCXX)
++  # Rtsan uses C++ standard library headers.
++  set(RTSAN_DEPS cxx-headers)
++endif()
++
+ append_rtti_flag(OFF RTSAN_CFLAGS)
+ 
+ if(APPLE)
+-- 
+2.43.0