On Sat, Feb 09, 2019 at 06:54:22PM +0100, Luc Van Oostenryck wrote: > On Fri, Feb 01, 2019 at 02:12:00AM +0100, Luc Van Oostenryck wrote: > > On Thu, Jan 31, 2019 at 06:44:13PM +0100, Uwe Kleine-König wrote: > > > On 1/31/19 3:26 PM, Luc Van Oostenryck wrote: > > > > > > > > Does 'uname -m' or 'uname -s' returns 'gnu' on Hurd? > > > > > > ukleinek@exodar:~$ uname -s > > > GNU > > > ukleinek@exodar:~$ uname -m > > > i686-AT386 > > > > OK, thanks. > > > > > >> and on x32 I got: > > > >> > > > >> /usr/bin/ld: compile-i386.o: relocation R_X86_64_32S against `.data' can not be used when making a PIE object; recompile with -fPIC > > > >> /usr/bin/ld: final link failed: nonrepresentable section on output > > > >> collect2: error: ld returned 1 exit status > > > > > > > > I didn't had this when testing on x32 but I see that here the compiler > > > > is called here with: > > > > -specs=/usr/share/dpkg/pie-link.specs > > > > -Wl,-z,relro -Wl,-z,now > > > > The first one is clearly part of the problem, maybe in combination > > > > with the other two. > > > > From where do they come? Why? It's not used for amd64 and other archs. > > > > > > The linker flags come in from the automatic hardening that is suggested > > > to use for Debian packages. In the amd64 buildlog I see: > > > > > > ... > > > gcc-8 -Wl,-z,relro -Wl,-z,now -Wl,--as-needed compile.o libsparse.a > > > compile-i386.o -o compile > > > ... > > > > > > not sure where the -specs=... part comes from. compile-i386 > > > > I think the cause may be that if PIE is wanted (via the -specs=...) > > then -fPIC is also needed at compile time. > > So, I guess that the -specs is given via LDFLAGS but not CFLAGS. > > More, exactly, if -specs=/usr/share/dpkg/pie-link.specs is given in > LDFLAGS then /usr/share/dpkg/pie-compile.specs should also be given > in CFLAGS but is not (or is it pie-compiler.specs?). Both should be > set via "DEB_BUILD_MAINT_OPTIONS = hardening=+all" in debian/rules > but it is said in dpkg-buildflags.1 that "buildflags.mk" should be > included (and probably DPKG_EXPORT_BUILDFLAGS be set). I uploaded sparse 0.6.0-3 to Debian yesterday. With the changes introduced there CFLAGS from the environment are honored. Now x32 built just fine. Best regards Uwe
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