From mboxrd@z Thu Jan 1 00:00:00 1970 From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=) Subject: bug#20102: Problem with ld.so RUNPATH on armhf Date: Wed, 08 Apr 2015 11:52:30 +0200 Message-ID: <87fv8b0wwx.fsf@gnu.org> References: <87y4n0ybdd.fsf@netris.org> <87pp7jh7y8.fsf@gnu.org> <87384f5goy.fsf@netris.org> <87oan16m4z.fsf@gnu.org> <87d23hynqe.fsf@netris.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:36410) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YfmfP-0007Xx-MM for bug-guix@gnu.org; Wed, 08 Apr 2015 05:53:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YfmfO-0007Ac-BI for bug-guix@gnu.org; Wed, 08 Apr 2015 05:53:03 -0400 Received: from debbugs.gnu.org ([140.186.70.43]:59028) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YfmfO-0007AW-8b for bug-guix@gnu.org; Wed, 08 Apr 2015 05:53:02 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1YfmfN-0000eb-Uh for bug-guix@gnu.org; Wed, 08 Apr 2015 05:53:02 -0400 Sender: "Debbugs-submit" Resent-Message-ID: In-Reply-To: <87d23hynqe.fsf@netris.org> (Mark H. Weaver's message of "Mon, 06 Apr 2015 17:02:17 -0400") List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org Sender: bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org To: Mark H Weaver Cc: 20102@debbugs.gnu.org Mark H Weaver skribis: > *lib: > %{!mandroid|tno-android-ld:-L/gnu/store/fbdjazgwy3zyx8qc5z4ag0j78k2d7raw-= glibc-2.21/lib %{!static:-rpath=3D/gnu/store/fbdjazgwy3zyx8qc5z4ag0j78k2d7r= aw-glibc-2.21/lib %{!static-libgcc:-rpath=3D/gnu/store/fc8kqk3dazn6mcgcjxd9= 31752b2pf3wj-gcc-4.8.4-lib/lib64 -rpath=3D/gnu/store/fc8kqk3dazn6mcgcjxd931= 752b2pf3wj-gcc-4.8.4-lib/lib -lgcc_s}} %{pthread:-lpthread} %{shared:-lc= } %{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}};:-L/gnu/= store/fbdjazgwy3zyx8qc5z4ag0j78k2d7raw-glibc-2.21/lib %{!static:-rpath=3D/g= nu/store/fbdjazgwy3zyx8qc5z4ag0j78k2d7raw-glibc-2.21/lib %{!static-libgcc:-= rpath=3D/gnu/store/fc8kqk3dazn6mcgcjxd931752b2pf3wj-gcc-4.8.4-lib/lib64 -rp= ath=3D/gnu/store/fc8kqk3dazn6mcgcjxd931752b2pf3wj-gcc-4.8.4-lib/lib -lgcc_s= }} %{pthread:-lpthread} %{shared:-lc} %{!shared:%{mieee-fp:-lieee} %{= profile:-lc_p}%{!profile:-lc}} %{!static: -ldl}} On x86_64 I have pretty much the same: --8<---------------cut here---------------start------------->8--- *lib: %{!mandroid|tno-android-ld:-L/gnu/store/wiqbxcvzj3r35hd55yxzz919b1dv1hnv-gl= ibc-2.21/lib %{!static:-rpath=3D/gnu/store/wiqbxcvzj3r35hd55yxzz919b1dv1hnv= -glibc-2.21/lib %{!static-libgcc:-rpath=3D/gnu/store/h132igxl2lkj3sbfcbknn2= rd493j7d1l-gcc-4.8.4-lib/lib64 -rpath=3D/gnu/store/h132igxl2lkj3sbfcbknn2rd= 493j7d1l-gcc-4.8.4-lib/lib -lgcc_s}} %{pthread:-lpthread} %{shared:-lc} = %{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}};:-L/gnu/st= ore/wiqbxcvzj3r35hd55yxzz919b1dv1hnv-glibc-2.21/lib %{!static:-rpath=3D/gnu= /store/wiqbxcvzj3r35hd55yxzz919b1dv1hnv-glibc-2.21/lib %{!static-libgcc:-rp= ath=3D/gnu/store/h132igxl2lkj3sbfcbknn2rd493j7d1l-gcc-4.8.4-lib/lib64 -rpat= h=3D/gnu/store/h132igxl2lkj3sbfcbknn2rd493j7d1l-gcc-4.8.4-lib/lib -lgcc_s}}= %{pthread:-lpthread} %{shared:-lc} %{!shared:%{mieee-fp:-lieee} %{pr= ofile:-lc_p}%{!profile:-lc}} %{!static: -ldl}} --8<---------------cut here---------------end--------------->8--- =E2=80=98link_command=E2=80=99 is also identical. The difference between =E2=80=98glibc-final=E2=80=99 and (@ (gnu packages b= ase) glibc) (used to build glibc-utf8-locales) is that the latter is built with =E2=80=98gcc-final=E2=80=99, and =E2=80=98gcc-final=E2=80=99 always passes = =E2=80=9C-rpath $libc/lib=E2=80=9D when linking a shared object, as seen above. However, when linking ld.so, -nostdlib is used, so IIUC the =E2=80=9Clib=E2= =80=9D spec is ignored, so the -rpath flag isn=E2=80=99t passed. At least that=E2=80=99s what happens on x86_64: I interrupted the (@ (gnu packages base) glibc) build on x86_64 and ran the command manually: --8<---------------cut here---------------start------------->8--- ludo@pluto /tmp/nix-build-glibc-2.21.drv-0/build/elf$ strace -s 345 -f -o ,= ,s gcc --verbose -nostdlib -nostartfiles -shared -o /tmp/nix-build-glibc-= 2.21.drv-0/build/elf/ld.so.new \ -Wl,-z,combreloc -Wl,-z,relro -Wl,--hash-style=3Dboth -Wl,-z,defs \ /tmp/nix-build-glibc-2.21.drv-0/build/elf/librtld.os -Wl,--version-scrip= t=3D/tmp/nix-build-glibc-2.21.drv-0/build/ld.map \ -Wl,-soname=3Dld-linux-x86-64.so.2 \ -Wl,-defsym=3D_begin=3D0 > > > > Using built-in specs. COLLECT_GCC=3Dgcc COLLECT_LTO_WRAPPER=3D/gnu/store/4sqgnc9bc1kmn058yp4xnj4vpydmfzpq-gcc-4.8.4= /libexec/gcc/x86_64-unknown-linux-gnu/4.8.4/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with:=20 Thread model: posix gcc version 4.8.4 (GCC)=20 COMPILER_PATH=3D/gnu/store/4sqgnc9bc1kmn058yp4xnj4vpydmfzpq-gcc-4.8.4/libex= ec/gcc/x86_64-unknown-linux-gnu/4.8.4/:/gnu/store/4sqgnc9bc1kmn058yp4xnj4vp= ydmfzpq-gcc-4.8.4/libexec/gcc/x86_64-unknown-linux-gnu/4.8.4/:/gnu/store/4s= qgnc9bc1kmn058yp4xnj4vpydmfzpq-gcc-4.8.4/libexec/gcc/x86_64-unknown-linux-g= nu/:/gnu/store/h132igxl2lkj3sbfcbknn2rd493j7d1l-gcc-4.8.4-lib/lib/gcc/x86_6= 4-unknown-linux-gnu/4.8.4/:/gnu/store/h132igxl2lkj3sbfcbknn2rd493j7d1l-gcc-= 4.8.4-lib/lib/gcc/x86_64-unknown-linux-gnu/ LIBRARY_PATH=3D/gnu/store/xxjla3x9lv9djgszi9g2i7sp3zdh2fhz-perl-5.16.1/lib/= :/gnu/store/zf0lrd865zxwkx30zmmv2s9pm3cbnyq9-bzip2-1.0.6/lib/:/gnu/store/yc= 75pismby9n46pimi7l9ifjwmj2ybix-xz-5.0.4/lib/:/gnu/store/ip9ydlmc7kwb1q472rh= 8539rkplx8xgl-file-5.22/lib/:/gnu/store/vmlwh55kmsjk7mmrw5qi8n71f02l4w0p-ga= wk-4.1.1/lib/:/gnu/store/z9d24s2wkri1z0ix5r7qqyp7zy3dklb4-binutils-2.25/lib= /:/gnu/store/wiqbxcvzj3r35hd55yxzz919b1dv1hnv-glibc-2.21/lib/:/gnu/store/43= mpxdd1qwmlsfgnl79jy1zkkx25nz6r-glibc-utf8-locales-2.21/lib/:/gnu/store/h132= igxl2lkj3sbfcbknn2rd493j7d1l-gcc-4.8.4-lib/lib/gcc/x86_64-unknown-linux-gnu= /4.8.4/:/gnu/store/h132igxl2lkj3sbfcbknn2rd493j7d1l-gcc-4.8.4-lib/lib/gcc/x= 86_64-unknown-linux-gnu/4.8.4/../../../:/gnu/store/wiqbxcvzj3r35hd55yxzz919= b1dv1hnv-glibc-2.21/lib COLLECT_GCC_OPTIONS=3D'-v' '-nostdlib' '-nostartfiles' '-shared' '-o' '/tmp= /nix-build-glibc-2.21.drv-0/build/elf/ld.so.new' '-mtune=3Dgeneric' '-march= =3Dx86-64' /gnu/store/4sqgnc9bc1kmn058yp4xnj4vpydmfzpq-gcc-4.8.4/libexec/gcc/x86_64-u= nknown-linux-gnu/4.8.4/collect2 --eh-frame-hdr -m elf_x86_64 -shared -o /tm= p/nix-build-glibc-2.21.drv-0/build/elf/ld.so.new -L/gnu/store/xxjla3x9lv9dj= gszi9g2i7sp3zdh2fhz-perl-5.16.1/lib -L/gnu/store/zf0lrd865zxwkx30zmmv2s9pm3= cbnyq9-bzip2-1.0.6/lib -L/gnu/store/yc75pismby9n46pimi7l9ifjwmj2ybix-xz-5.0= .4/lib -L/gnu/store/ip9ydlmc7kwb1q472rh8539rkplx8xgl-file-5.22/lib -L/gnu/s= tore/vmlwh55kmsjk7mmrw5qi8n71f02l4w0p-gawk-4.1.1/lib -L/gnu/store/z9d24s2wk= ri1z0ix5r7qqyp7zy3dklb4-binutils-2.25/lib -L/gnu/store/wiqbxcvzj3r35hd55yxz= z919b1dv1hnv-glibc-2.21/lib -L/gnu/store/43mpxdd1qwmlsfgnl79jy1zkkx25nz6r-g= libc-utf8-locales-2.21/lib -L/gnu/store/h132igxl2lkj3sbfcbknn2rd493j7d1l-gc= c-4.8.4-lib/lib/gcc/x86_64-unknown-linux-gnu/4.8.4 -L/gnu/store/h132igxl2lk= j3sbfcbknn2rd493j7d1l-gcc-4.8.4-lib/lib/gcc/x86_64-unknown-linux-gnu/4.8.4/= ../../.. -L/gnu/store/wiqbxcvzj3r35hd55yxzz919b1dv1hnv-glibc-2.21/lib -z co= mbreloc -z relro --hash-style=3Dboth -z defs /tmp/nix-build-glibc-2.21.drv-= 0/build/elf/librtld.os --version-script=3D/tmp/nix-build-glibc-2.21.drv-0/b= uild/ld.map -soname=3Dld-linux-x86-64.so.2 -defsym=3D_begin=3D0 --8<---------------cut here---------------end--------------->8--- The strace log shows that ld is not passed the -rpath flags that appear in the =E2=80=9Clib=E2=80=9D spec: --8<---------------cut here---------------start------------->8--- 13261 execve("/gnu/store/crfqrvj1g3ldyhfqq8wpwqx3sd6qn4k7-ld-wrapper-0/bin/= ld", ["/gnu/store/crfqrvj1g3ldyhfqq8wpwqx3sd6qn4k7-ld-wrapper-0/bin/ld", "-= -eh-frame-hdr", "-m", "elf_x86_64", "-shared", "-o", "/tmp/nix-build-glibc-= 2.21.drv-0/build/elf/ld.so.new", "-L/gnu/store/xxjla3x9lv9djgszi9g2i7sp3zdh= 2fhz-perl-5.16.1/lib", "-L/gnu/store/zf0lrd865zxwkx30zmmv2s9pm3cbnyq9-bzip2= -1.0.6/lib", "-L/gnu/store/yc75pismby9n46pimi7l9ifjwmj2ybix-xz-5.0.4/lib", = "-L/gnu/store/ip9ydlmc7kwb1q472rh8539rkplx8xgl-file-5.22/lib", "-L/gnu/stor= e/vmlwh55kmsjk7mmrw5qi8n71f02l4w0p-gawk-4.1.1/lib", "-L/gnu/store/z9d24s2wk= ri1z0ix5r7qqyp7zy3dklb4-binutils-2.25/lib", "-L/gnu/store/wiqbxcvzj3r35hd55= yxzz919b1dv1hnv-glibc-2.21/lib", "-L/gnu/store/43mpxdd1qwmlsfgnl79jy1zkkx25= nz6r-glibc-utf8-locales-2.21/lib", "-L/gnu/store/h132igxl2lkj3sbfcbknn2rd49= 3j7d1l-gcc-4.8.4-lib/lib/gcc/x86_64-unknown-linux-gnu/4.8.4", "-L/gnu/store= /h132igxl2lkj3sbfcbknn2rd493j7d1l-gcc-4.8.4-lib/lib/gcc/x86_64-unknown-linu= x-gnu/4.8.4/../../..", "-L/gnu/store/wiqbxcvzj3r35hd55yxzz919b1dv1hnv-glibc= -2.21/lib", "-z", "combreloc", "-z", "relro", "--hash-style=3Dboth", "-z", = "defs", "/tmp/nix-build-glibc-2.21.drv-0/build/elf/librtld.os", "--version-= script=3D/tmp/nix-build-glibc-2.21.drv-0/build/ld.map", "-soname=3Dld-linux= -x86-64.so.2", "-defsym=3D_begin=3D0"], [/* 73 vars */] --8<---------------cut here---------------end--------------->8--- Could you try the same on armhf? TIA, Ludo=E2=80=99.