From 1e4c802913af619ac15741bbd276e1141ca17dc9 Mon Sep 17 00:00:00 2001 From: Jessica Clarke Date: Tue, 24 Aug 2021 14:59:04 +0100 Subject: [PATCH] Fix bootstrapping to actually build lldb-tblgen for later use Because MK_LLDB=no is in BSARGS, the bootstrap-tools recursive make does not add lldb-tblgen to _clang_tblgen, causing it to not be built. This means that the build currently always uses the host's lldb-tblgen (which, whilst currently it appears to work, could in future break if TableGen backends are added or altered) and, if it doesn't exist (either because the current FreeBSD system was built with it disabled, or you're building on macOS/Linux), fails. Linux and macOS cross-builds used to work simply because LLDB was previously in BROKEN_OPTIONS when building on non-FreeBSD. Instead, move MK_LLDB=no from BSARGS to XMAKE. This ensures that the lib/clang build in cross-tools continues to not build LLDB parts for the bootstrap toolchain (both to save time/space on FreeBSD, and because our vendored LLDB does not include the macOS and Linux host files so those would fail to build). The DIRDEPS target is updated to move MK_LLDB=no from the BSARGS block that mirrors Makefile.inc1 to the line that disables additional toolchain components. The DIRDEPS build likely suffers from the same issue currently, but having never used it and not being familiar with how it works I am leaving that as-is. If it does suffer from the same issue it should be easily reproducible by renaming /usr/bin/lldb-tblgen or moving it to a directory not in PATH. Fixes: 31ba4ce8898f ("Allow bootstrapping llvm-tblgen on macOS and Linux") MFC after: 1 week Reviewed by: dim, emaste, imp Differential Revision: https://reviews.freebsd.org/D31531 --- Makefile.inc1 | 2 +- targets/pseudo/bootstrap-tools/Makefile | 3 +-- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/Makefile.inc1 b/Makefile.inc1 index 604fef201c48..b59c1913f8ce 100644 --- a/Makefile.inc1 +++ b/Makefile.inc1 @@ -727,7 +727,6 @@ BSARGS= DESTDIR= \ MK_CLANG_FORMAT=no \ MK_CLANG_FULL=no \ MK_HTML=no \ - MK_LLDB=no \ MK_MAN=no \ MK_PROFILE=no \ MK_RETPOLINE=no \ @@ -771,6 +770,7 @@ TMAKE= \ XMAKE= ${BMAKE} \ TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH} \ MK_CLANG_IS_CC=${MK_CLANG_BOOTSTRAP} \ + MK_LLDB=no \ MK_TESTS=no # kernel-tools stage diff --git a/targets/pseudo/bootstrap-tools/Makefile b/targets/pseudo/bootstrap-tools/Makefile index 3ac47053a388..d5545f082283 100644 --- a/targets/pseudo/bootstrap-tools/Makefile +++ b/targets/pseudo/bootstrap-tools/Makefile @@ -48,7 +48,6 @@ BSARGS= DESTDIR= \ MK_CLANG_FORMAT=no \ MK_CLANG_FULL=no \ MK_HTML=no \ - MK_LLDB=no \ MK_MAN=no \ MK_PROFILE=no \ MK_RETPOLINE=no \ @@ -59,7 +58,7 @@ BSARGS= DESTDIR= \ MK_MAN_UTILS=yes # We will handle building the toolchain and cross-compiler. -BSARGS+= MK_CROSS_COMPILER=no MK_CLANG=no +BSARGS+= MK_CROSS_COMPILER=no MK_CLANG=no MK_LLDB=no DISTRIB_ENV= INSTALL="sh ${SRCTOP}/tools/install.sh" NO_FSCHG=1 MK_TESTS=no legacy: .MAKE ${META_DEPS}