Date: Sat, 7 Oct 2017 11:40:50 -0700 From: Warner Losh <imp@bsdimp.com> To: Guy Yur <guyyur@gmail.com> Cc: freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: armv7, building p7zip and -fPIC Message-ID: <CANCZdfo-1ngKQSkkW5zjZwMWj0QnVnrf2WaJ68=bh_oNPKZ3hw@mail.gmail.com> In-Reply-To: <CAC67Hz8kctZyTEW%2B0qQRVYLzPEK7cG9JXhw90fwHx84fnuwO0w@mail.gmail.com> References: <CAC67Hz8kctZyTEW%2B0qQRVYLzPEK7cG9JXhw90fwHx84fnuwO0w@mail.gmail.com>
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On Sat, Oct 7, 2017 at 11:24 AM, Guy Yur <guyyur@gmail.com> wrote: > Hi, > > Does armv7 need -fPIC when compiling? > > Building archivers/p7zip fails with: > /usr/bin/ld: 7zEncode.o(.text+0x2d04): unresolvable R_ARM_MOVW_ABS_NC > relocation against symbol `_ZTIi@@CXXABI_1.3' > /usr/bin/ld: final link failed: Nonrepresentable section on output > c++: error: linker command failed with exit code 1 (use -v to see > invocation) > *** [../../../../bin/7z.so] Error code 1 > > make[3]: stopped in > /usr/wrkdir/usr/ports/archivers/p7zip/work/p7zip_16.02/CPP/7zip/Bundles/ > Format7zFree > 1 error > > If I add "CFLAGS_armv7= -fPIC" in the port Makefile it builds fine. > The port has -fPIC for aarch64, amd64, powerpc and sparc64. > > Is it a difference from armv6? > When I previously built for armv6 it worked without the option. > armv7 is new in FreeBSD (two days old), and maybe you are tripping over something inside the port that optimized for it? Is there a CFLAGS+armv6=-fPIC? I don't see it with a quick grep, but you never know... If that's what it takes to fix it, maybe you should submit that to the port maintainer? Warner
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