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Date:      Wed, 27 Jun 2018 21:36:57 +0000 (UTC)
From:      Bryan Drewery <bdrewery@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r335747 - head/share/mk
Message-ID:  <201806272136.w5RLav6U016337@repo.freebsd.org>

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Author: bdrewery
Date: Wed Jun 27 21:36:57 2018
New Revision: 335747
URL: https://svnweb.freebsd.org/changeset/base/335747

Log:
  LLVM_TARGET_ALL: Default LLVM_TARGET_ARM on for aarch64.
  
  This is needed for -m32 support which is used in the kernel cloudabi32 module.
  
  Tweak the style to make it easier to understand.
  
  MFC after:	2 weeks
  X-MFC-with:	r335706
  Reported by:	Mark Millard
  Sponsored by:	Dell EMC

Modified:
  head/share/mk/src.opts.mk

Modified: head/share/mk/src.opts.mk
==============================================================================
--- head/share/mk/src.opts.mk	Wed Jun 27 21:36:49 2018	(r335746)
+++ head/share/mk/src.opts.mk	Wed Jun 27 21:36:57 2018	(r335747)
@@ -259,15 +259,17 @@ __LLVM_TARGETS= \
 		sparc \
 		x86
 __LLVM_TARGET_FILT=	C/(amd64|i386)/x86/:S/sparc64/sparc/:S/arm64/aarch64/
-# Default the given TARGET_ARCH's LLVM_TARGET support to the value of
-# MK_CLANG.
+.for __llt in ${__LLVM_TARGETS}
+# Default the given TARGET's LLVM_TARGET support to the value of MK_CLANG.
+.if ${__TT:${__LLVM_TARGET_FILT}} == ${__llt}
+__DEFAULT_DEPENDENT_OPTIONS+=	LLVM_TARGET_${__llt:${__LLVM_TARGET_FILT}:tu}/CLANG
+# aarch64 needs arm for -m32 support.
+.elif ${__TT} == "arm64" && ${__llt} == "arm"
+__DEFAULT_DEPENDENT_OPTIONS+=	LLVM_TARGET_ARM/LLVM_TARGET_AARCH64
 # Default the rest of the LLVM_TARGETs to the value of MK_LLVM_TARGET_ALL
 # which is based on MK_CLANG.
-.for __llt in ${__LLVM_TARGETS}
-.if ${__llt} != ${__TT:${__LLVM_TARGET_FILT}}
-__DEFAULT_DEPENDENT_OPTIONS+=	LLVM_TARGET_${__llt:${__LLVM_TARGET_FILT}:tu}/LLVM_TARGET_ALL
 .else
-__DEFAULT_DEPENDENT_OPTIONS+=	LLVM_TARGET_${__llt:${__LLVM_TARGET_FILT}:tu}/CLANG
+__DEFAULT_DEPENDENT_OPTIONS+=	LLVM_TARGET_${__llt:${__LLVM_TARGET_FILT}:tu}/LLVM_TARGET_ALL
 .endif
 .endfor
 



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