aarch64: build rust

build/rust/build-arch-aarch64.sh

@@ -0,0 +1,105 @@
+#!/usr/bin/bash
+#
+# {{{ CDDL HEADER
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source. A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+# }}}
+
+# Copyright 2024 OmniOS Community Edition (OmniOSce) Association.
+
+. ../../lib/build.sh
+
+PROG=rust
+PKG=ooce/developer/rust
+VER=1.83.0
+SUMMARY="Rust systems programming language"
+DESC="Rust is a systems programming language that runs blazingly fast, "
+DESC+="prevents segfaults, and guarantees thread safety."
+
+set_builddir ${PROG}c-${VER}-src
+
+OPREFIX=$PREFIX
+PREFIX+=/$PROG
+
+BUILD_DEPENDS_IPS="developer/gnu-binutils"
+# TODO: globbing only works reliably as long as we just have
+# one cross compiler version per arch.
+crossgccver=`pkg_ver aarch64/gcc*`
+crossgccver=${crossgccver%%.*}
+# `rustc` uses `gcc` as its linker. Other dependencies such as the C runtime
+# and linker are themselves pulled in as dependencies of the gcc package.
+RUN_DEPENDS_IPS="developer/gcc$crossgccver"
+
+# rust build requires the final install directory to be present
+[ -d "$PREFIX" ] || logcmd $PFEXEC mkdir -p $PREFIX
+
+XFORM_ARGS="
+    -DPREFIX=${PREFIX#/}
+    -DOPREFIX=${OPREFIX#/}
+    -DPROG=$PROG
+"
+
+SKIP_RTIME_CHECK=1
+SKIP_SSP_CHECK=1
+NO_SONAME_EXPECTED=1
+
+aarch64prefix=$CROSSTOOLS/aarch64/bin/${TRIPLETS[aarch64]}
+CONFIGURE_OPTS[aarch64]="
+    --prefix=$PREFIX
+    --sysconfdir=/etc$PREFIX
+    --localstatedir=/var$PREFIX
+    --set target.${RUSTTRIPLETS[aarch64]}.cc=$aarch64prefix-gcc
+    --set target.${RUSTTRIPLETS[aarch64]}.cxx=$aarch64prefix-g++
+    --set target.${RUSTTRIPLETS[aarch64]}.ar=$aarch64prefix-ar
+"
+CONFIGURE_OPTS+="
+    --release-description=OmniOS/$RELVER
+    --enable-vendor
+    --enable-local-rust
+    --enable-extended
+    --build=${RUSTTRIPLETS[$BUILD_ARCH]}
+    --host=${RUSTTRIPLETS[aarch64]}
+    --target=${RUSTTRIPLETS[aarch64]}
+    --enable-rpath
+    --enable-ninja
+    --disable-codegen-tests
+    --disable-dist-src
+    --disable-llvm-static-stdcpp
+    --disable-docs
+    --release-channel=stable
+    --python=$PYTHON
+"
+
+pre_configure() { :;
+    # rust needs to find the native gcc for bootstrapping
+    set_gccver $DEFAULT_GCC_VER
+
+    tripus=${RUSTTRIPLETS[aarch64]//-/_}
+    tripuc=${tripus^^}
+    export CARGO_TARGET_${tripuc}_RUSTFLAGS="
+        -C link-arg=--sysroot=${SYSROOT[aarch64]}
+    "
+    export CXXFLAGS_${tripus}="-mno-outline-atomics -mtls-dialect=trad"
+}
+
+pre_install() {
+    logcmd $MKDIR -p $DESTDIR/$PREFIX || logerr "failed to create directory"
+}
+
+init
+download_source $PROG ${PROG}c $VER-src
+patch_source
+prep_build autoconf-like
+build -noctf
+make_package
+clean_up
+
+# Vim hints
+# vim:ts=4:sw=4:et:fdm=marker

build/rust/build.sh

@@ -14,6 +14,7 @@
 
 # Copyright 2024 OmniOS Community Edition (OmniOSce) Association.
 
+. ../../lib/arch.sh
 . ../../lib/build.sh
 
 PROG=rust

build/rust/patches/aarch64-cpu-features.patch

@@ -5,11 +5,11 @@ diff -wpruN --no-dereference '--exclude=*.orig' a~/src/llvm-project/compiler-rt/
 +#include <sys/auxv.h>
 +
 +static void CONSTRUCTOR_ATTRIBUTE init_have_lse_atomics(void) {
-+  uint32_t hwc[2] = {0};
++  uint32_t hwc = 0;
 +
-+  (void) getisax(&hwc, 2);
++  (void) getisax(&hwc, 1);
 +
-+  __aarch64_have_lse_atomics = (hwc[0] & AV_AARCH64_LSE) != 0;
++  __aarch64_have_lse_atomics = (hwc & AV_AARCH64_LSE) != 0;
 +}
 diff -wpruN --no-dereference '--exclude=*.orig' a~/src/llvm-project/compiler-rt/lib/builtins/cpu_model/aarch64.c a/src/llvm-project/compiler-rt/lib/builtins/cpu_model/aarch64.c
 --- a~/src/llvm-project/compiler-rt/lib/builtins/cpu_model/aarch64.c	1970-01-01 00:00:00
@@ -24,7 +24,7 @@ diff -wpruN --no-dereference '--exclude=*.orig' a~/src/llvm-project/compiler-rt/
  #elif __has_include(<sys/auxv.h>)
  #include "aarch64/hwcap.inc"
  #include "aarch64/lse_atomics/sysauxv.inc"
-@@ -141,7 +144,7 @@ struct {
+@@ -73,7 +76,7 @@ struct {
  #elif defined(__ANDROID__)
  #include "aarch64/fmv/mrs.inc"
  #include "aarch64/fmv/android.inc"

build/rust/patches/aarch64-eh_frame-ro.patch

@@ -3,7 +3,7 @@ Ensure .eh_frame is consistently read-only for aarch64
 diff -wpruN --no-dereference '--exclude=*.orig' a~/src/llvm-project/llvm/lib/MC/MCObjectFileInfo.cpp a/src/llvm-project/llvm/lib/MC/MCObjectFileInfo.cpp
 --- a~/src/llvm-project/llvm/lib/MC/MCObjectFileInfo.cpp	1970-01-01 00:00:00
 +++ a/src/llvm-project/llvm/lib/MC/MCObjectFileInfo.cpp	1970-01-01 00:00:00
-@@ -381,8 +381,10 @@ void MCObjectFileInfo::initELFMCObjectFi
+@@ -383,8 +383,10 @@ void MCObjectFileInfo::initELFMCObjectFi
    // Solaris requires different flags for .eh_frame to seemingly every other
    // platform.
    unsigned EHSectionFlags = ELF::SHF_ALLOC;

doc/baseline.aarch64

@@ -17,6 +17,7 @@ extra.omnios ooce/developer/cunit
 extra.omnios ooce/developer/git-absorb
 extra.omnios ooce/developer/ninja
 extra.omnios ooce/developer/protobuf
+extra.omnios ooce/developer/rust
 extra.omnios ooce/editor/joe
 extra.omnios ooce/file/tree
 extra.omnios ooce/fonts/liberation

doc/pkglist.aarch64

@@ -9,6 +9,7 @@
 # 	.SYSROOT	Wait, rebuild the repo, `pkg install *` to the
 #		 	arch-specific sysroot.
 
+ooce/developer/rust
 ooce/system/htop
 ooce/library/libogg
 ooce/library/nettle