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Rework check for libclang_rt to see if the needed library exists.

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Currently libclang_rt is not provided for cross-building and as such
is not connected to cross-tools.  For building clang once in universe
it is likely that libclang_rt won't exist for the universe toolchain
but even if it did it would not support anything but the native arch.
So explicitly check for support before enabling h_raw.

MFC after:	1 week
Reviewed by:	dim
Sponsored by:	Dell EMC
Differential Revision:	https://reviews.freebsd.org/D16012
This commit is contained in:
Bryan Drewery 2018-06-27 16:56:46 +00:00
parent 5641c23fa7
commit f272627fcd
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=335704
1 changed files with 9 additions and 18 deletions
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27
lib/libc/tests/ssp/Makefile
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@ -1,9 +1,5 @@
# $FreeBSD$
# XXX This is a workaround to allow i386 to cross-compile on an amd64 host.
.include <host-target.mk>
# XXX ---
.include <bsd.own.mk>
NO_WERROR=
@ -35,21 +31,16 @@ PROGS+= h_memset
# probably needs to be fixed as it's currently hardcoded.
#
# sanitizer is not tested or supported for ARM right now. sbruno
.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
.if ${COMPILER_TYPE} == "clang" && ${MK_TOOLCHAIN} == "yes"
.if ${COMPILER_VERSION} < 30500 || 30700 <= ${COMPILER_VERSION}
# XXX This is a workaround to allow i386 to cross-compile on an amd64 host.
.if ${MACHINE_CPUARCH} == ${_HOST_ARCH}
# XXX ---
.if ${COMPILER_TYPE} == "clang" && !defined(_SKIP_BUILD) && \
(!defined(_RECURSING_PROGS) || ${PROG} == "h_raw")
.if !defined(_CLANG_RESOURCE_DIR)
_CLANG_RESOURCE_DIR!= ${CC:N${CCACHE_BIN}} -print-resource-dir
.export _CLANG_RESOURCE_DIR
.endif
_libclang_rt_arch= ${MACHINE_ARCH:S/amd64/x86_64/:C/hf$//:S/mipsn32/mips64/}
_libclang_rt_ubsan= ${_CLANG_RESOURCE_DIR}/lib/freebsd/libclang_rt.ubsan_standalone-${_libclang_rt_arch}.a
.if exists(${_libclang_rt_ubsan})
PROGS+= h_raw
# XXX This is a workaround to allow i386 to cross-compile on an amd64 host.
.endif
# XXX ---
.endif
.endif
.endif
PROGS+= h_read