building in 32-bit mode on Linux/s390x produces 64-bit mode binaries

Bruno Haible bruno at clisp.org
Sun Jun 14 17:30:25 UTC 2020


Hi,

On a Linux/s390x machine, a build of gmp-6.2.0, configured in the same way
as dozens of other GNU packages to build 32-bit mode binaries, in fact
produces 64-bit mode binaries.

* The GMP version number, and if pre-packaged or patched then say so.

6.2.0, unmodified, from the source tarball on ftp.gnu.org.

* A test program that makes it possible for us to reproduce the bug. Include instructions on how to run the program.

Build through
  $ ../configure --prefix=$HOME/prefix32 CC="gcc -m31"
  $ make
  $ make install
  $ cd $HOME/prefix32/lib; file libgmp.so.*.*

* A description of what is wrong. If the results are incorrect, in what way. If you get a crash, say so.

  $ cd $HOME/prefix32/lib; file libgmp.so.*.*
  libgmp.so.10.4.0: ELF 64-bit MSB shared object, IBM S/390, version 1 (SYSV), dynamically linked, BuildID[sha1]=c3065c005af6fe702a681b8c1c936b8e37266d08, not stripped

The expectation (from
https://www.gnu.org/software/automake/manual/html_node/Standard-Configuration-Variables.html)
is that the $CC variable gets used and therefore the result is a binary
in 31/32-bit mode (arch = s390).

* If you get a crash, include a stack backtrace from the debugger if it’s informative (‘where’ in gdb, or ‘$C’ in adb).

n/a

* Please do not send core dumps, executables or straces.

n/a

* The ‘configure’ options you used when building GMP, if any.

CC="gcc -m31"
export CC
../configure --prefix=$HOME/prefix32 CPPFLAGS="-I$HOME/prefix32/include -Wall" LDFLAGS=-L$HOME/prefix32/lib

I did not pass an ABI option, since no such value is documented for Linux/s390x
in https://gmplib.org/manual/ABI-and-ISA .

Don't ask me to guess:
  1. Experience tells that it's a bad idea to rely on undocumented internals
     of a package.
  2. It's not even clear what the possible values would be: ABI=s390 ? ABI=31 ?
     ABI=32 ?

* The output from ‘configure’, as printed to stdout, with any options used.

Attached: file 'log1'.

* The name of the compiler and its version. For gcc, get the version with ‘gcc -v’, otherwise perhaps ‘what `which cc`’, or similar.

$ $CC -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/s390x-linux-gnu/4.9/lto-wrapper
Target: s390x-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.9.2-10' --with-bugurl=file:///usr/share/doc/gcc-4.9/README.Bugs --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.9 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.9 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-libitm --disable-libsanitizer --disable-libquadmath --enable-plugin --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.9-s390x/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.9-s390x --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.9-s390x --with-arch-directory=s390x --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-multiarch --with-long-double-128 --enable-multilib --enable-checking=release --build=s390x-linux-gnu --host=s390x-linux-gnu --target=s390x-linux-gnu
Thread model: posix
gcc version 4.9.2 (Debian 4.9.2-10) 

* The output from running ‘uname -a’.

Linux ******** 3.16.0-4-s390x #1 SMP Debian 3.16.36-1+deb8u2 (2016-10-19) s390x GNU/Linux

(*** hidden for privacy reasons)

* The output from running ‘./config.guess’, and from running ‘./configfsf.guess’ (might be the same).

$ ./config.guess
z196-ibm-linux-gnu

$ ./configfsf.guess
-bash: ./configfsf.guess: Permission denied

$ sh ./configfsf.guess
s390x-ibm-linux-gnu

* If the bug is related to ‘configure’, then the compressed contents of config.log.

Attached. Hostname hidden for privacy reasons.

* If the bug is related to an asm file not assembling, then the contents of config.m4 and the offending line or lines from the temporary mpn/tmp-<file>.s. 

n/a

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      MPN_PATH=" s390_64/z196 s390_64 generic"
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config.status: creating demos/expr/Makefile
config.status: creating gmp.h
config.status: creating gmp.pc
config.status: creating gmpxx.pc
config.status: creating config.h
config.status: linking ../mpn/generic/add.c to mpn/add.c
config.status: linking ../mpn/generic/add_1.c to mpn/add_1.c
config.status: linking ../mpn/s390_64/aors_n.asm to mpn/add_n.asm
config.status: linking ../mpn/generic/sub.c to mpn/sub.c
config.status: linking ../mpn/generic/sub_1.c to mpn/sub_1.c
config.status: linking ../mpn/s390_64/aors_n.asm to mpn/sub_n.asm
config.status: linking ../mpn/generic/cnd_add_n.c to mpn/cnd_add_n.c
config.status: linking ../mpn/generic/cnd_sub_n.c to mpn/cnd_sub_n.c
config.status: linking ../mpn/generic/cnd_swap.c to mpn/cnd_swap.c
config.status: linking ../mpn/generic/neg.c to mpn/neg.c
config.status: linking ../mpn/generic/com.c to mpn/com.c
config.status: linking ../mpn/s390_64/mul_1.asm to mpn/mul_1.asm
config.status: linking ../mpn/s390_64/addmul_1.asm to mpn/addmul_1.asm
config.status: linking ../mpn/s390_64/submul_1.asm to mpn/submul_1.asm
config.status: linking ../mpn/generic/add_err1_n.c to mpn/add_err1_n.c
config.status: linking ../mpn/generic/add_err2_n.c to mpn/add_err2_n.c
config.status: linking ../mpn/generic/add_err3_n.c to mpn/add_err3_n.c
config.status: linking ../mpn/generic/sub_err1_n.c to mpn/sub_err1_n.c
config.status: linking ../mpn/generic/sub_err2_n.c to mpn/sub_err2_n.c
config.status: linking ../mpn/generic/sub_err3_n.c to mpn/sub_err3_n.c
config.status: linking ../mpn/s390_64/lshift.asm to mpn/lshift.asm
config.status: linking ../mpn/s390_64/rshift.asm to mpn/rshift.asm
config.status: linking ../mpn/generic/dive_1.c to mpn/dive_1.c
config.status: linking ../mpn/generic/diveby3.c to mpn/diveby3.c
config.status: linking ../mpn/generic/divis.c to mpn/divis.c
config.status: linking ../mpn/generic/divrem.c to mpn/divrem.c
config.status: linking ../mpn/generic/divrem_1.c to mpn/divrem_1.c
config.status: linking ../mpn/generic/divrem_2.c to mpn/divrem_2.c
config.status: linking ../mpn/generic/fib2_ui.c to mpn/fib2_ui.c
config.status: linking ../mpn/generic/fib2m.c to mpn/fib2m.c
config.status: linking ../mpn/generic/mod_1.c to mpn/mod_1.c
config.status: linking ../mpn/s390_64/mod_34lsub1.asm to mpn/mod_34lsub1.asm
config.status: linking ../mpn/generic/mode1o.c to mpn/mode1o.c
config.status: linking ../mpn/generic/pre_divrem_1.c to mpn/pre_divrem_1.c
config.status: linking ../mpn/generic/pre_mod_1.c to mpn/pre_mod_1.c
config.status: linking ../mpn/generic/dump.c to mpn/dump.c
config.status: linking ../mpn/generic/mod_1_1.c to mpn/mod_1_1.c
config.status: linking ../mpn/generic/mod_1_2.c to mpn/mod_1_2.c
config.status: linking ../mpn/generic/mod_1_3.c to mpn/mod_1_3.c
config.status: linking ../mpn/generic/mod_1_4.c to mpn/mod_1_4.c
config.status: linking ../mpn/s390_64/lshiftc.asm to mpn/lshiftc.asm
config.status: linking ../mpn/generic/mul.c to mpn/mul.c
config.status: linking ../mpn/generic/mul_fft.c to mpn/mul_fft.c
config.status: linking ../mpn/generic/mul_n.c to mpn/mul_n.c
config.status: linking ../mpn/generic/sqr.c to mpn/sqr.c
config.status: linking ../mpn/s390_64/mul_basecase.asm to mpn/mul_basecase.asm
config.status: linking ../mpn/s390_64/sqr_basecase.asm to mpn/sqr_basecase.asm
config.status: linking ../mpn/generic/nussbaumer_mul.c to mpn/nussbaumer_mul.c
config.status: linking ../mpn/generic/mulmid_basecase.c to mpn/mulmid_basecase.c
config.status: linking ../mpn/generic/toom42_mulmid.c to mpn/toom42_mulmid.c
config.status: linking ../mpn/generic/mulmid_n.c to mpn/mulmid_n.c
config.status: linking ../mpn/generic/mulmid.c to mpn/mulmid.c
config.status: linking ../mpn/generic/random.c to mpn/random.c
config.status: linking ../mpn/generic/random2.c to mpn/random2.c
config.status: linking ../mpn/generic/pow_1.c to mpn/pow_1.c
config.status: linking ../mpn/generic/rootrem.c to mpn/rootrem.c
config.status: linking ../mpn/generic/sqrtrem.c to mpn/sqrtrem.c
config.status: linking ../mpn/generic/sizeinbase.c to mpn/sizeinbase.c
config.status: linking ../mpn/generic/get_str.c to mpn/get_str.c
config.status: linking ../mpn/generic/set_str.c to mpn/set_str.c
config.status: linking ../mpn/generic/compute_powtab.c to mpn/compute_powtab.c
config.status: linking ../mpn/generic/scan0.c to mpn/scan0.c
config.status: linking ../mpn/generic/scan1.c to mpn/scan1.c
config.status: linking ../mpn/generic/popham.c to mpn/popcount.c
config.status: linking ../mpn/generic/popham.c to mpn/hamdist.c
config.status: linking ../mpn/generic/cmp.c to mpn/cmp.c
config.status: linking ../mpn/generic/zero_p.c to mpn/zero_p.c
config.status: linking ../mpn/generic/perfsqr.c to mpn/perfsqr.c
config.status: linking ../mpn/generic/perfpow.c to mpn/perfpow.c
config.status: linking ../mpn/generic/strongfibo.c to mpn/strongfibo.c
config.status: linking ../mpn/generic/gcd_11.c to mpn/gcd_11.c
config.status: linking ../mpn/generic/gcd_22.c to mpn/gcd_22.c
config.status: linking ../mpn/generic/gcd_1.c to mpn/gcd_1.c
config.status: linking ../mpn/generic/gcd.c to mpn/gcd.c
config.status: linking ../mpn/generic/gcdext_1.c to mpn/gcdext_1.c
config.status: linking ../mpn/generic/gcdext.c to mpn/gcdext.c
config.status: linking ../mpn/generic/gcd_subdiv_step.c to mpn/gcd_subdiv_step.c
config.status: linking ../mpn/generic/gcdext_lehmer.c to mpn/gcdext_lehmer.c
config.status: linking ../mpn/generic/div_q.c to mpn/div_q.c
config.status: linking ../mpn/generic/tdiv_qr.c to mpn/tdiv_qr.c
config.status: linking ../mpn/generic/jacbase.c to mpn/jacbase.c
config.status: linking ../mpn/generic/jacobi_2.c to mpn/jacobi_2.c
config.status: linking ../mpn/generic/jacobi.c to mpn/jacobi.c
config.status: linking ../mpn/generic/get_d.c to mpn/get_d.c
config.status: linking ../mpn/generic/matrix22_mul.c to mpn/matrix22_mul.c
config.status: linking ../mpn/generic/matrix22_mul1_inverse_vector.c to mpn/matrix22_mul1_inverse_vector.c
config.status: linking ../mpn/generic/hgcd_matrix.c to mpn/hgcd_matrix.c
config.status: linking ../mpn/generic/hgcd2.c to mpn/hgcd2.c
config.status: linking ../mpn/generic/hgcd_step.c to mpn/hgcd_step.c
config.status: linking ../mpn/generic/hgcd_reduce.c to mpn/hgcd_reduce.c
config.status: linking ../mpn/generic/hgcd.c to mpn/hgcd.c
config.status: linking ../mpn/generic/hgcd_appr.c to mpn/hgcd_appr.c
config.status: linking ../mpn/generic/hgcd2_jacobi.c to mpn/hgcd2_jacobi.c
config.status: linking ../mpn/generic/hgcd_jacobi.c to mpn/hgcd_jacobi.c
config.status: linking ../mpn/generic/mullo_n.c to mpn/mullo_n.c
config.status: linking ../mpn/generic/mullo_basecase.c to mpn/mullo_basecase.c
config.status: linking ../mpn/generic/sqrlo.c to mpn/sqrlo.c
config.status: linking ../mpn/generic/sqrlo_basecase.c to mpn/sqrlo_basecase.c
config.status: linking ../mpn/generic/toom22_mul.c to mpn/toom22_mul.c
config.status: linking ../mpn/generic/toom32_mul.c to mpn/toom32_mul.c
config.status: linking ../mpn/generic/toom42_mul.c to mpn/toom42_mul.c
config.status: linking ../mpn/generic/toom52_mul.c to mpn/toom52_mul.c
config.status: linking ../mpn/generic/toom62_mul.c to mpn/toom62_mul.c
config.status: linking ../mpn/generic/toom33_mul.c to mpn/toom33_mul.c
config.status: linking ../mpn/generic/toom43_mul.c to mpn/toom43_mul.c
config.status: linking ../mpn/generic/toom53_mul.c to mpn/toom53_mul.c
config.status: linking ../mpn/generic/toom54_mul.c to mpn/toom54_mul.c
config.status: linking ../mpn/generic/toom63_mul.c to mpn/toom63_mul.c
config.status: linking ../mpn/generic/toom44_mul.c to mpn/toom44_mul.c
config.status: linking ../mpn/generic/toom6h_mul.c to mpn/toom6h_mul.c
config.status: linking ../mpn/generic/toom6_sqr.c to mpn/toom6_sqr.c
config.status: linking ../mpn/generic/toom8h_mul.c to mpn/toom8h_mul.c
config.status: linking ../mpn/generic/toom8_sqr.c to mpn/toom8_sqr.c
config.status: linking ../mpn/generic/toom_couple_handling.c to mpn/toom_couple_handling.c
config.status: linking ../mpn/generic/toom2_sqr.c to mpn/toom2_sqr.c
config.status: linking ../mpn/generic/toom3_sqr.c to mpn/toom3_sqr.c
config.status: linking ../mpn/generic/toom4_sqr.c to mpn/toom4_sqr.c
config.status: linking ../mpn/generic/toom_eval_dgr3_pm1.c to mpn/toom_eval_dgr3_pm1.c
config.status: linking ../mpn/generic/toom_eval_dgr3_pm2.c to mpn/toom_eval_dgr3_pm2.c
config.status: linking ../mpn/generic/toom_eval_pm1.c to mpn/toom_eval_pm1.c
config.status: linking ../mpn/generic/toom_eval_pm2.c to mpn/toom_eval_pm2.c
config.status: linking ../mpn/generic/toom_eval_pm2exp.c to mpn/toom_eval_pm2exp.c
config.status: linking ../mpn/generic/toom_eval_pm2rexp.c to mpn/toom_eval_pm2rexp.c
config.status: linking ../mpn/generic/toom_interpolate_5pts.c to mpn/toom_interpolate_5pts.c
config.status: linking ../mpn/generic/toom_interpolate_6pts.c to mpn/toom_interpolate_6pts.c
config.status: linking ../mpn/generic/toom_interpolate_7pts.c to mpn/toom_interpolate_7pts.c
config.status: linking ../mpn/generic/toom_interpolate_8pts.c to mpn/toom_interpolate_8pts.c
config.status: linking ../mpn/generic/toom_interpolate_12pts.c to mpn/toom_interpolate_12pts.c
config.status: linking ../mpn/generic/toom_interpolate_16pts.c to mpn/toom_interpolate_16pts.c
config.status: linking ../mpn/generic/invertappr.c to mpn/invertappr.c
config.status: linking ../mpn/generic/invert.c to mpn/invert.c
config.status: linking ../mpn/generic/binvert.c to mpn/binvert.c
config.status: linking ../mpn/generic/mulmod_bnm1.c to mpn/mulmod_bnm1.c
config.status: linking ../mpn/generic/sqrmod_bnm1.c to mpn/sqrmod_bnm1.c
config.status: linking ../mpn/generic/div_qr_1.c to mpn/div_qr_1.c
config.status: linking ../mpn/generic/div_qr_1n_pi1.c to mpn/div_qr_1n_pi1.c
config.status: linking ../mpn/generic/div_qr_2.c to mpn/div_qr_2.c
config.status: linking ../mpn/generic/div_qr_2n_pi1.c to mpn/div_qr_2n_pi1.c
config.status: linking ../mpn/generic/div_qr_2u_pi1.c to mpn/div_qr_2u_pi1.c
config.status: linking ../mpn/generic/sbpi1_div_q.c to mpn/sbpi1_div_q.c
config.status: linking ../mpn/generic/sbpi1_div_qr.c to mpn/sbpi1_div_qr.c
config.status: linking ../mpn/generic/sbpi1_divappr_q.c to mpn/sbpi1_divappr_q.c
config.status: linking ../mpn/generic/dcpi1_div_q.c to mpn/dcpi1_div_q.c
config.status: linking ../mpn/generic/dcpi1_div_qr.c to mpn/dcpi1_div_qr.c
config.status: linking ../mpn/generic/dcpi1_divappr_q.c to mpn/dcpi1_divappr_q.c
config.status: linking ../mpn/generic/mu_div_qr.c to mpn/mu_div_qr.c
config.status: linking ../mpn/generic/mu_divappr_q.c to mpn/mu_divappr_q.c
config.status: linking ../mpn/generic/mu_div_q.c to mpn/mu_div_q.c
config.status: linking ../mpn/generic/bdiv_q_1.c to mpn/bdiv_q_1.c
config.status: linking ../mpn/generic/sbpi1_bdiv_q.c to mpn/sbpi1_bdiv_q.c
config.status: linking ../mpn/generic/sbpi1_bdiv_qr.c to mpn/sbpi1_bdiv_qr.c
config.status: linking ../mpn/generic/sbpi1_bdiv_r.c to mpn/sbpi1_bdiv_r.c
config.status: linking ../mpn/generic/dcpi1_bdiv_q.c to mpn/dcpi1_bdiv_q.c
config.status: linking ../mpn/generic/dcpi1_bdiv_qr.c to mpn/dcpi1_bdiv_qr.c
config.status: linking ../mpn/generic/mu_bdiv_q.c to mpn/mu_bdiv_q.c
config.status: linking ../mpn/generic/mu_bdiv_qr.c to mpn/mu_bdiv_qr.c
config.status: linking ../mpn/generic/bdiv_q.c to mpn/bdiv_q.c
config.status: linking ../mpn/generic/bdiv_qr.c to mpn/bdiv_qr.c
config.status: linking ../mpn/generic/broot.c to mpn/broot.c
config.status: linking ../mpn/generic/brootinv.c to mpn/brootinv.c
config.status: linking ../mpn/generic/bsqrt.c to mpn/bsqrt.c
config.status: linking ../mpn/generic/bsqrtinv.c to mpn/bsqrtinv.c
config.status: linking ../mpn/generic/divexact.c to mpn/divexact.c
config.status: linking ../mpn/s390_64/bdiv_dbm1c.asm to mpn/bdiv_dbm1c.asm
config.status: linking ../mpn/generic/redc_1.c to mpn/redc_1.c
config.status: linking ../mpn/generic/redc_2.c to mpn/redc_2.c
config.status: linking ../mpn/generic/redc_n.c to mpn/redc_n.c
config.status: linking ../mpn/generic/powm.c to mpn/powm.c
config.status: linking ../mpn/generic/powlo.c to mpn/powlo.c
config.status: linking ../mpn/generic/sec_powm.c to mpn/sec_powm.c
config.status: linking ../mpn/generic/sec_mul.c to mpn/sec_mul.c
config.status: linking ../mpn/generic/sec_sqr.c to mpn/sec_sqr.c
config.status: linking ../mpn/generic/sec_div.c to mpn/sec_div_qr.c
config.status: linking ../mpn/generic/sec_div.c to mpn/sec_div_r.c
config.status: linking ../mpn/generic/sec_pi1_div.c to mpn/sec_pi1_div_qr.c
config.status: linking ../mpn/generic/sec_pi1_div.c to mpn/sec_pi1_div_r.c
config.status: linking ../mpn/generic/sec_aors_1.c to mpn/sec_add_1.c
config.status: linking ../mpn/generic/sec_aors_1.c to mpn/sec_sub_1.c
config.status: linking ../mpn/generic/sec_invert.c to mpn/sec_invert.c
config.status: linking ../mpn/generic/trialdiv.c to mpn/trialdiv.c
config.status: linking ../mpn/generic/remove.c to mpn/remove.c
config.status: linking ../mpn/s390_64/logops_n.asm to mpn/and_n.asm
config.status: linking ../mpn/s390_64/logops_n.asm to mpn/andn_n.asm
config.status: linking ../mpn/s390_64/logops_n.asm to mpn/nand_n.asm
config.status: linking ../mpn/s390_64/logops_n.asm to mpn/ior_n.asm
config.status: linking ../mpn/s390_64/logops_n.asm to mpn/iorn_n.asm
config.status: linking ../mpn/s390_64/logops_n.asm to mpn/nior_n.asm
config.status: linking ../mpn/s390_64/logops_n.asm to mpn/xor_n.asm
config.status: linking ../mpn/s390_64/logops_n.asm to mpn/xnor_n.asm
config.status: linking ../mpn/s390_64/copyi.asm to mpn/copyi.asm
config.status: linking ../mpn/s390_64/copyd.asm to mpn/copyd.asm
config.status: linking ../mpn/generic/zero.c to mpn/zero.c
config.status: linking ../mpn/generic/sec_tabselect.c to mpn/sec_tabselect.c
config.status: linking ../mpn/generic/comb_tables.c to mpn/comb_tables.c
config.status: linking ../mpn/s390_64/invert_limb.asm to mpn/invert_limb.asm
config.status: linking ../mpn/s390_64/aorrlsh1_n.asm to mpn/addlsh1_n.asm
config.status: linking ../mpn/s390_64/sublsh1_n.asm to mpn/sublsh1_n.asm
config.status: linking ../mpn/s390_64/aorrlsh1_n.asm to mpn/rsblsh1_n.asm
config.status: linking ../mpn/generic/add_n_sub_n.c to mpn/add_n_sub_n.c
config.status: linking ../mpn/s390_64/gmp-mparam.h to gmp-mparam.h
config.status: executing libtool commands
configure: summary of build options:

  Version:           GNU MP 6.2.0
  Host type:         z196-ibm-linux-gnu
  ABI:               64
  Install prefix:    /home/bruno/prefix32
  Compiler:          gcc -m31 -std=gnu99
  Static libraries:  yes
  Shared libraries:  yes

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