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Date:      Thu, 12 Mar 2015 15:44:48 -0700
From:      Mark Millard <markmi@dsl-only.net>
To:        FreeBSD PowerPC ML <freebsd-ppc@freebsd.org>, freebsd-toolchain@freebsd.org
Subject:   Trying to bootstrap libc++ from 11.0-CURRENT with clang 3.4.1 still around from 10.1-STABLE: ld unable to build shared library libcxxrt.so.1
Message-ID:  <02BBD42E-3326-4DCC-9A2E-243B680B4815@dsl-only.net>

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Basic context (more listed at the end of the message):

# freebsd-version -ku; uname -a
11.0-CURRENT
11.0-CURRENT
FreeBSD FBSDG3C0 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r279514M: Mon Mar  =
9 22:24:27 PDT 2015     =
root@FBSDG4S0:/usr/obj/usr/srcC/sys/GENERICvtsc-NODEBUG  powerpc

The above powerpc (non-64) 11.0-CURRENT was bootstrapped from =
10.1-STABLE without doing "make delete-old" and the like. So there is a =
clang 3.4.1 still in place but without libc++. No port-based compilers =
installed, not even powerpc64-xtoolchain-gcc.

(In my other copies of the 11.0-CURRENT bootstrap I had run delete-old =
--before realizing the lack of a newer clang. I finally realized I had =
one powerpc (non-64) snapshot from before "delete-old". So this note is =
largely independent of the other notes I've sent in about when clang is =
not available and trying to use powerpc64-xtoolchain-gcc to bootstrap =
having clang.)


The problem...

In trying to bootstrap libc++ for clang into 11.0-CURRENT when it has =
clang 3.4.1 from the 10.1-STABLE I started by trying to build libcxxrt =
(which libc++ requires). So from /usr/src/lib/libcxxrt I tried: "make =
clean && make".

The result was...

...
building shared library libcxxrt.so.1
/usr/bin/ld: warning: creating a DT_TEXTREL in a shared object.
clang: error: linker command failed with exit code 1 (use -v to see =
invocation)
*** Error code 1


More context:

# more /etc/src.conf
CPP=3Dclang-cpp
CC=3Dclang
CXX=3Dclang++
#CFLAGS+=3D-DELF_VERBOSE
#WITH_DEBUG_FILES=3D
#WITHOUT_CLANG


=3D=3D=3D
Mark Millard
markmi at dsl-only.net




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