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For arm targets, place ABI at the end of the target triple

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For some reason, we have been inserting the ABI specification into the
middle of the target triple, when building LLVM, like so:

    armv6-gnueabi-freebsd12.0

This is the wrong way around.  LLVM even auto-canonicalizes it to:

    armv6--freebsd12.0-gnueabi

Let's do this the right way in llvm.build.mk instead.  While here,
define a proper VENDOR macro which can be overridden easily.

Reviewed by:	emaste
MFC after:	1 week
Differential Revision: https://reviews.freebsd.org/D10846
This commit is contained in:
Dimitry Andric 2017-06-01 21:05:56 +00:00
parent 2db223f902
commit 38d6a62a21
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=319473
1 changed files with 6 additions and 5 deletions
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11
lib/clang/llvm.build.mk
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@ -25,16 +25,17 @@ BUILD_ARCH?= ${MACHINE_ARCH}
# arm (for armv4 and armv5 CPUs) always uses the soft float ABI.
# For all other targets, we stick with 'unknown'.
.if ${TARGET_ARCH:Marmv6*} && (!defined(CPUTYPE) || ${CPUTYPE:M*soft*} == "")
TARGET_ABI= gnueabihf
TARGET_ABI= -gnueabihf
.elif ${TARGET_ARCH:Marm*}
TARGET_ABI= gnueabi
TARGET_ABI= -gnueabi
.else
TARGET_ABI= unknown
TARGET_ABI=
.endif
VENDOR= unknown
OS_VERSION= freebsd12.0
TARGET_TRIPLE?= ${TARGET_ARCH:C/amd64/x86_64/:C/arm64/aarch64/}-${TARGET_ABI}-${OS_VERSION}
BUILD_TRIPLE?= ${BUILD_ARCH:C/amd64/x86_64/:C/arm64/aarch64/}-unknown-${OS_VERSION}
TARGET_TRIPLE?= ${TARGET_ARCH:C/amd64/x86_64/:C/arm64/aarch64/}-${VENDOR}-${OS_VERSION}${TARGET_ABI}
BUILD_TRIPLE?= ${BUILD_ARCH:C/amd64/x86_64/:C/arm64/aarch64/}-${VENDOR}-${OS_VERSION}
CFLAGS+= -DLLVM_DEFAULT_TARGET_TRIPLE=\"${TARGET_TRIPLE}\"
CFLAGS+= -DLLVM_HOST_TRIPLE=\"${BUILD_TRIPLE}\"