[Debichem-devel] Bug#1114451: xtb: FTBFS: dh_auto_build: error: cd obj-x86_64-linux-gnu && LC_ALL=C.UTF-8 ninja -j2 -v returned exit code 1

Santiago Vila sanvila at debian.org
Fri Sep 5 19:28:49 BST 2025


Package: src:xtb
Version: 6.7.1-2
Severity: serious
Tags: ftbfs forky sid

Dear maintainer:

During a rebuild of all packages in unstable, your package failed to build.

Below you will find how the build ends (probably the most relevant part,
but not necessarily). If required, the full build log is available here:

https://people.debian.org/~sanvila/build-logs/202509/

About the archive rebuild: The build was made on virtual machines from AWS,
using sbuild and a reduced chroot with only build-essential packages.

If you could not reproduce the bug please contact me privately, as I
am willing to provide ssh access to a virtual machine where the bug is
fully reproducible.

If this is really a bug in one of the build-depends, please use
reassign and add an affects on src:xtb, so that this is still
visible in the BTS web page for this package.

Thanks.

--------------------------------------------------------------------------------
[...]
 debian/rules clean
dh clean --buildsystem meson
   dh_auto_clean -O--buildsystem=meson
   dh_autoreconf_clean -O--buildsystem=meson
   dh_clean -O--buildsystem=meson
 debian/rules binary
dh binary --buildsystem meson
   dh_update_autotools_config -O--buildsystem=meson
   dh_autoreconf -O--buildsystem=meson
   dh_auto_configure -O--buildsystem=meson
	cd obj-x86_64-linux-gnu && DEB_PYTHON_INSTALL_LAYOUT=deb LC_ALL=C.UTF-8 meson setup .. --wrap-mode=nodownload --buildtype=plain --prefix=/usr --sysconfdir=/etc --localstatedir=/var --libdir=lib/x86_64-linux-gnu -Dpython.bytecompile=-1
The Meson build system
Version: 1.9.0
Source dir: /<<PKGBUILDDIR>>

[... snipped ...]

../src/optimizer.f90:253:16:

  253 |    integer  :: n3,i,j,k,l,jjj,ic,jc,ia,ja,ii,jj,info
      |                1~
Warning: Unused variable ‘n3’ declared at (1) [-Wunused-variable]
../src/optimizer.f90:254:16:

  254 |    integer  :: nread,itry,iii
      |                1~~~~
Warning: Unused variable ‘nread’ declared at (1) [-Wunused-variable]
../src/optimizer.f90:200:25:

  200 |    type(scc_results) :: res
      |                         1~~
Warning: Unused variable ‘res’ declared at (1) [-Wunused-variable]
../src/optimizer.f90:251:27:

  251 |    real(wp) :: energy,acc,rij(3),t1,t0,w1,w0,ccc
      |                           1~~~~~
Warning: Unused variable ‘rij’ declared at (1) [-Wunused-variable]
../src/optimizer.f90:250:16:

  250 |    real(wp) :: step,amu2au,au2cm,dumi,dumj,damp,edum,thr,aaa,bbb
      |                1~~~
Warning: Unused variable ‘step’ declared at (1) [-Wunused-variable]
../src/optimizer.f90:248:16:

  248 |    real(wp) :: step_hess
      |                1~~~~~~~~
Warning: Unused variable ‘step_hess’ declared at (1) [-Wunused-variable]
../src/optimizer.f90:251:37:

  251 |    real(wp) :: energy,acc,rij(3),t1,t0,w1,w0,ccc
      |                                     1~
Warning: Unused variable ‘t0’ declared at (1) [-Wunused-variable]
../src/optimizer.f90:251:34:

  251 |    real(wp) :: energy,acc,rij(3),t1,t0,w1,w0,ccc
      |                                  1~
Warning: Unused variable ‘t1’ declared at (1) [-Wunused-variable]
../src/optimizer.f90:275:28:

  275 |    integer, allocatable :: totsym(:)
      |                            1~~~~~~~~
Warning: Unused variable ‘totsym’ declared at (1) [-Wunused-variable]
../src/optimizer.f90:251:43:

  251 |    real(wp) :: energy,acc,rij(3),t1,t0,w1,w0,ccc
      |                                           1~
Warning: Unused variable ‘w0’ declared at (1) [-Wunused-variable]
../src/optimizer.f90:251:40:

  251 |    real(wp) :: energy,acc,rij(3),t1,t0,w1,w0,ccc
      |                                        1~
Warning: Unused variable ‘w1’ declared at (1) [-Wunused-variable]
[313/351] gfortran -Ilibxtb.so.6.7.1.p -I. -I.. -I../include -I/usr/include/x86_64-linux-gnu -I/usr/include/mctc-lib/modules -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -fdefault-real-8 -fdefault-double-8 -ffree-line-length-none -fbacktrace -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -fcf-protection -fPIC -pthread -fopenmp -DWITH_TBLITE=0 -DWITH_CPCMX=0 -Jlibxtb.so.6.7.1.p -o libxtb.so.6.7.1.p/src_rdcoord2.f90.o -c ../src/rdcoord2.f90
../src/rdcoord2.f90:286:16:

  286 |    logical  :: exist
      |                1~~~~
Warning: Unused variable ‘exist’ declared at (1) [-Wunused-variable]
../src/rdcoord2.f90:281:36:

  281 |    character(len=:),allocatable :: wfile
      |                                    1~~~~
Warning: Unused variable ‘wfile’ declared at (1) [-Wunused-variable]
../src/rdcoord2.f90:41:18:

   41 |    integer  :: j,k,ich,cs,cf,ncheck
      |                  1
Warning: Unused variable ‘k’ declared at (1) [-Wunused-variable]
[314/351] gfortran -Ilibxtb.so.6.7.1.p -I. -I.. -I../include -I/usr/include/x86_64-linux-gnu -I/usr/include/mctc-lib/modules -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -fdefault-real-8 -fdefault-double-8 -ffree-line-length-none -fbacktrace -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -fcf-protection -fPIC -pthread -fopenmp -DWITH_TBLITE=0 -DWITH_CPCMX=0 -Jlibxtb.so.6.7.1.p -o libxtb.so.6.7.1.p/src_main_setup.f90.o -c ../src/main/setup.f90
[315/351] gfortran -Ilibxtb.so.6.7.1.p -I. -I.. -I../include -I/usr/include/x86_64-linux-gnu -I/usr/include/mctc-lib/modules -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -fdefault-real-8 -fdefault-double-8 -ffree-line-length-none -fbacktrace -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -fcf-protection -fPIC -pthread -fopenmp -DWITH_TBLITE=0 -DWITH_CPCMX=0 -Jlibxtb.so.6.7.1.p -o libxtb.so.6.7.1.p/src_api_calculator.f90.o -c ../src/api/calculator.f90
[316/351] gfortran -Ilibxtb.so.6.7.1.p -I. -I.. -I../include -I/usr/include/x86_64-linux-gnu -I/usr/include/mctc-lib/modules -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -fdefault-real-8 -fdefault-double-8 -ffree-line-length-none -fbacktrace -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -fcf-protection -fPIC -pthread -fopenmp -DWITH_TBLITE=0 -DWITH_CPCMX=0 -Jlibxtb.so.6.7.1.p -o libxtb.so.6.7.1.p/src_api_interface.f90.o -c ../src/api/interface.f90
[317/351] gfortran -Ilibxtb.so.6.7.1.p -I. -I.. -I../include -I/usr/include/x86_64-linux-gnu -I/usr/include/mctc-lib/modules -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -fdefault-real-8 -fdefault-double-8 -ffree-line-length-none -fbacktrace -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -fcf-protection -fPIC -pthread -fopenmp -DWITH_TBLITE=0 -DWITH_CPCMX=0 -Jlibxtb.so.6.7.1.p -o libxtb.so.6.7.1.p/src_main_defaults.f90.o -c ../src/main/defaults.f90
[318/351] gfortran -Ilibxtb.so.6.7.1.p -I. -I.. -I../include -I/usr/include/x86_64-linux-gnu -I/usr/include/mctc-lib/modules -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -fdefault-real-8 -fdefault-double-8 -ffree-line-length-none -fbacktrace -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -fcf-protection -fPIC -pthread -fopenmp -DWITH_TBLITE=0 -DWITH_CPCMX=0 -Jlibxtb.so.6.7.1.p -o libxtb.so.6.7.1.p/src_iff_iff_prepare.f90.o -c ../src/iff/iff_prepare.f90
../src/iff/iff_prepare.f90:150:41:

  150 |          if (uhf(1) /= 0.0_wp) mol%uhf = uhf(1)
      |                                         1
Warning: Possible change of value in conversion from REAL(8) to INTEGER(4) at (1) [-Wconversion]
../src/iff/iff_prepare.f90:153:41:

  153 |          if (uhf(2) /= 0.0_wp) mol%uhf = uhf(2)
      |                                         1
Warning: Possible change of value in conversion from REAL(8) to INTEGER(4) at (1) [-Wconversion]
../src/iff/iff_prepare.f90:109:18:

  109 |       integer :: gsolvstate !Should be gas
      |                  1~~~~~~~~~
Warning: Unused variable ‘gsolvstate’ declared at (1) [-Wunused-variable]
../src/iff/iff_prepare.f90:61:31:

   61 |       integer, allocatable :: at(:)
      |                               1~~~~
Warning: Unused variable ‘at’ declared at (1) [-Wunused-variable]
../src/iff/iff_prepare.f90:62:32:

   62 |       real(wp), allocatable :: xyz(:, :)
      |                                1~~~~~~~~
Warning: Unused variable ‘xyz’ declared at (1) [-Wunused-variable]
../src/iff/iff_prepare.f90:230:37:

  230 |          set%mode_extrun = extrun_tmp
      |                                     ^
Warning: ‘extrun_tmp’ may be used uninitialized [-Wmaybe-uninitialized]
../src/iff/iff_prepare.f90:120:18:

  120 |       integer :: extrun_tmp
      |                  ^~~~~~~~~~
note: ‘extrun_tmp’ was declared here
../src/iff/iff_prepare.f90:231:34:

  231 |          set%newdisp = newdisp_tmp
      |                                  ^
Warning: ‘newdisp_tmp’ may be used uninitialized [-Wmaybe-uninitialized]
../src/iff/iff_prepare.f90:122:18:

  122 |       logical :: newdisp_tmp
      |                  ^~~~~~~~~~~
note: ‘newdisp_tmp’ was declared here
[319/351] gfortran -Ilibxtb.so.6.7.1.p -I. -I.. -I../include -I/usr/include/x86_64-linux-gnu -I/usr/include/mctc-lib/modules -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -fdefault-real-8 -fdefault-double-8 -ffree-line-length-none -fbacktrace -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -fcf-protection -fPIC -pthread -fopenmp -DWITH_TBLITE=0 -DWITH_CPCMX=0 -Jlibxtb.so.6.7.1.p -o libxtb.so.6.7.1.p/src_vertical.f90.o -c ../src/vertical.f90
[320/351] gfortran -Ilibxtb.so.6.7.1.p -I. -I.. -I../include -I/usr/include/x86_64-linux-gnu -I/usr/include/mctc-lib/modules -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -fdefault-real-8 -fdefault-double-8 -ffree-line-length-none -fbacktrace -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -fcf-protection -fPIC -pthread -fopenmp -DWITH_TBLITE=0 -DWITH_CPCMX=0 -Jlibxtb.so.6.7.1.p -o libxtb.so.6.7.1.p/src_wrbas.f90.o -c ../src/wrbas.f90
../src/wrbas.f90:18:54:

   18 | subroutine write_tm_basis(iunit,xtbData,nat,at,basis,wfn)
      |                                                      1~~
Warning: Unused dummy argument ‘wfn’ at (1) [-Wunused-dummy-argument]
[321/351] gfortran -Ilibxtb.so.6.7.1.p -I. -I.. -I../include -I/usr/include/x86_64-linux-gnu -I/usr/include/mctc-lib/modules -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -fdefault-real-8 -fdefault-double-8 -ffree-line-length-none -fbacktrace -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -fcf-protection -fPIC -pthread -fopenmp -DWITH_TBLITE=0 -DWITH_CPCMX=0 -Jlibxtb.so.6.7.1.p -o libxtb.so.6.7.1.p/src_wrgbw.f90.o -c ../src/wrgbw.f90
../src/wrgbw.f90:82:50:

   82 |    integer :: i,ish,ati,ishtyp,icao,iao,ip,iprim,icount
      |                                                  1~~~~~
Warning: Unused variable ‘icount’ declared at (1) [-Wunused-variable]
[322/351] gfortran -Ilibxtb.so.6.7.1.p -I. -I.. -I../include -I/usr/include/x86_64-linux-gnu -I/usr/include/mctc-lib/modules -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -fdefault-real-8 -fdefault-double-8 -ffree-line-length-none -fbacktrace -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -fcf-protection -fPIC -pthread -fopenmp -DWITH_TBLITE=0 -DWITH_CPCMX=0 -Jlibxtb.so.6.7.1.p -o libxtb.so.6.7.1.p/src_wrmodef.f90.o -c ../src/wrmodef.f90
../src/wrmodef.f90:37:36:

   37 |    integer i,k,j,ik,kl,l,root,lend,b1,b2,n3
      |                                    1~
Warning: Unused variable ‘b1’ declared at (1) [-Wunused-variable]
../src/wrmodef.f90:37:39:

   37 |    integer i,k,j,ik,kl,l,root,lend,b1,b2,n3
      |                                       1~
Warning: Unused variable ‘b2’ declared at (1) [-Wunused-variable]
../src/wrmodef.f90:30:21:

   30 |    real(wp) :: norm,w
      |                     1
Warning: Unused variable ‘w’ declared at (1) [-Wunused-variable]
../src/wrmodef.f90:18:35:

   18 | subroutine wrmodef(typ,n,at,xyzin,wbo,rmass,freq,u,udum,vthr,linear)
      |                                   1~~
Warning: Unused dummy argument ‘wbo’ at (1) [-Wunused-dummy-argument]
[323/351] gfortran -Ilibxtb.so.6.7.1.p -I. -I.. -I../include -I/usr/include/x86_64-linux-gnu -I/usr/include/mctc-lib/modules -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -fdefault-real-8 -fdefault-double-8 -ffree-line-length-none -fbacktrace -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -fcf-protection -fPIC -pthread -fopenmp -DWITH_TBLITE=0 -DWITH_CPCMX=0 -Jlibxtb.so.6.7.1.p -o libxtb.so.6.7.1.p/src_wrmo.f90.o -c ../src/wrmo.f90
../src/wrmo.f90:18:33:

   18 | subroutine write_tm_mos(iunit,n,at,basis,wfn)
      |                                 1~
Warning: Unused dummy argument ‘at’ at (1) [-Wunused-dummy-argument]
../src/wrmo.f90:18:36:

   18 | subroutine write_tm_mos(iunit,n,at,basis,wfn)
      |                                    1~~~~
Warning: Unused dummy argument ‘basis’ at (1) [-Wunused-dummy-argument]
[324/351] gfortran -Ilibxtb.so.6.7.1.p -I. -I.. -I../include -I/usr/include/x86_64-linux-gnu -I/usr/include/mctc-lib/modules -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -fdefault-real-8 -fdefault-double-8 -ffree-line-length-none -fbacktrace -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -fcf-protection -fPIC -pthread -fopenmp -DWITH_TBLITE=0 -DWITH_CPCMX=0 -Jlibxtb.so.6.7.1.p -o libxtb.so.6.7.1.p/src_xhelp.f90.o -c ../src/xhelp.f90
[325/351] gfortran -Ilibxtb.so.6.7.1.p -I. -I.. -I../include -I/usr/include/x86_64-linux-gnu -I/usr/include/mctc-lib/modules -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -fdefault-real-8 -fdefault-double-8 -ffree-line-length-none -fbacktrace -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -fcf-protection -fPIC -pthread -fopenmp -DWITH_TBLITE=0 -DWITH_CPCMX=0 -Jlibxtb.so.6.7.1.p -o libxtb.so.6.7.1.p/src_zmatpr.f90.o -c ../src/zmatpr.f90
../src/zmatpr.f90:29:16:

   29 |    logical  :: ex
      |                1~
Warning: Unused variable ‘ex’ declared at (1) [-Wunused-variable]
[326/351] gfortran -Ilibxtb.so.6.7.1.p -I. -I.. -I../include -I/usr/include/x86_64-linux-gnu -I/usr/include/mctc-lib/modules -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -fdefault-real-8 -fdefault-double-8 -ffree-line-length-none -fbacktrace -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -fcf-protection -fPIC -pthread -fopenmp -DWITH_TBLITE=0 -DWITH_CPCMX=0 -Jlibxtb.so.6.7.1.p -o libxtb.so.6.7.1.p/symmetry_symmetry.f90.o -c ../symmetry/symmetry.f90
[327/351] /usr/bin/meson --internal depaccumulate xtb.p/depscan.dd xtb.p/depscan.json libxtb.a.p/depscan.json
[328/351] gfortran -Ilibxtb.a.p -Ixtb.p -I. -I.. -I../include -Ilibxtb.so.6.7.1.p -I/usr/include/x86_64-linux-gnu -I/usr/include/mctc-lib/modules -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -fdefault-real-8 -fdefault-double-8 -ffree-line-length-none -fbacktrace -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -fcf-protection -pthread -fopenmp -DWITH_TBLITE=0 -DWITH_CPCMX=0 -Jxtb.p -o xtb.p/src_prog_argparser.f90.o -c ../src/prog/argparser.f90
[329/351] gfortran -Ilibxtb.a.p -Ixtb.p -I. -I.. -I../include -Ilibxtb.so.6.7.1.p -I/usr/include/x86_64-linux-gnu -I/usr/include/mctc-lib/modules -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -fdefault-real-8 -fdefault-double-8 -ffree-line-length-none -fbacktrace -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -fcf-protection -pthread -fopenmp -DWITH_TBLITE=0 -DWITH_CPCMX=0 -Jxtb.p -o xtb.p/src_prog_dock.f90.o -c ../src/prog/dock.f90
FAILED: xtb.p/src_prog_dock.f90.o xtb.p/xtb_prog_dock.mod 
gfortran -Ilibxtb.a.p -Ixtb.p -I. -I.. -I../include -Ilibxtb.so.6.7.1.p -I/usr/include/x86_64-linux-gnu -I/usr/include/mctc-lib/modules -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -fdefault-real-8 -fdefault-double-8 -ffree-line-length-none -fbacktrace -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -fcf-protection -pthread -fopenmp -DWITH_TBLITE=0 -DWITH_CPCMX=0 -Jxtb.p -o xtb.p/src_prog_dock.f90.o -c ../src/prog/dock.f90
../src/prog/dock.f90:47:8:

   47 |    use xtb_docking_search_nci, only: docking_search
      |        1
Fatal Error: Cannot open module file ‘xtb_docking_search_nci.mod’ for reading at (1): No such file or directory
compilation terminated.
[330/351] gfortran -Ilibxtb.so.6.7.1.p -I. -I.. -I../include -I/usr/include/x86_64-linux-gnu -I/usr/include/mctc-lib/modules -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -fdefault-real-8 -fdefault-double-8 -ffree-line-length-none -fbacktrace -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -fcf-protection -fPIC -pthread -fopenmp -DWITH_TBLITE=0 -DWITH_CPCMX=0 -Jlibxtb.so.6.7.1.p -o libxtb.so.6.7.1.p/src_relaxation_engine.f90.o -c ../src/relaxation_engine.f90
../src/relaxation_engine.f90:1003:24:

 1003 |       Aaug(i*(1+i)/2) = 1.0_wp / hdiag(i)
      |                        1
Warning: Possible change of value in conversion from REAL(8) to REAL(4) at (1) [-Wconversion]
../src/relaxation_engine.f90:1005:28:

 1005 |    Aaug(npvar+1:npvar1-1) = g_anc
      |                            1
Warning: Possible change of value in conversion from REAL(8) to REAL(4) at (1) [-Wconversion]
../src/relaxation_engine.f90:635:21:

  635 |          hess(i,j) = hessp(ij)
      |                     1
Warning: Possible change of value in conversion from REAL(8) to REAL(4) at (1) [-Wconversion]
../src/relaxation_engine.f90:636:21:

  636 |          hess(j,i) = hessp(ij)
      |                     1
Warning: Possible change of value in conversion from REAL(8) to REAL(4) at (1) [-Wconversion]
../src/relaxation_engine.f90:676:35:

  676 |       where(abs(eig).gt.thr) eig = eig+damp
      |                                   1
Warning: Possible change of value in conversion from REAL(8) to REAL(4) at (1) [-Wconversion]
../src/relaxation_engine.f90:940:16:

  940 |    real(wp) :: depred
      |                1~~~~~
Warning: Unused variable ‘depred’ declared at (1) [-Wunused-variable]
../src/relaxation_engine.f90:934:19:

  934 |    integer :: i,j,ij
      |                   1~
Warning: Unused variable ‘ij’ declared at (1) [-Wunused-variable]
../src/relaxation_engine.f90:934:17:

  934 |    integer :: i,j,ij
      |                 1
Warning: Unused variable ‘j’ declared at (1) [-Wunused-variable]
../src/relaxation_engine.f90:941:16:

  941 |    real(wp) :: max_displacement
      |                1~~~~~~~~~~~~~~~
Warning: Unused variable ‘max_displacement’ declared at (1) [-Wunused-variable]
../src/relaxation_engine.f90:826:15:

  826 |    integer :: lastiter
      |               1~~~~~~~
Warning: Unused variable ‘lastiter’ declared at (1) [-Wunused-variable]
../src/relaxation_engine.f90:193:16:

  193 |    real(wp) :: time
      |                1~~~
Warning: Unused variable ‘time’ declared at (1) [-Wunused-variable]
../src/relaxation_engine.f90:1320:70:

 1320 |                &       - lat_apar * lat_gradient/lat_gnorm * lat_speed
      |                                                                      ^
Warning: ‘lat_apar’ may be used uninitialized [-Wmaybe-uninitialized]
../src/relaxation_engine.f90:1227:16:

 1227 |    real(wp) :: lat_apar
      |                ^~~~~~~~
note: ‘lat_apar’ was declared here
../src/relaxation_engine.f90:1223:16:

 1223 |    real(wp) :: lat_gnorm
      |                ^~~~~~~~~
Warning: ‘lat_gnorm’ may be used uninitialized [-Wmaybe-uninitialized]
../src/relaxation_engine.f90:1330:50:

 1330 |             lat_time_step = lat_time_step*opt%fdec
      |                                                  ^
Warning: ‘lat_time_step’ may be used uninitialized [-Wmaybe-uninitialized]
../src/relaxation_engine.f90:1226:16:

 1226 |    real(wp) :: lat_time_step
      |                ^~~~~~~~~~~~~
note: ‘lat_time_step’ was declared here
../src/relaxation_engine.f90:524:34:

  524 |          if (avconv%nlog > 0 .and. pr) then
      |                                  ^
Warning: ‘pr’ may be used uninitialized [-Wmaybe-uninitialized]
../src/relaxation_engine.f90:452:15:

  452 |    logical :: pr
      |               ^~
note: ‘pr’ declared here
ninja: build stopped: subcommand failed.
dh_auto_build: error: cd obj-x86_64-linux-gnu && LC_ALL=C.UTF-8 ninja -j2 -v returned exit code 1
make: *** [debian/rules:4: binary] Error 25
dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2
--------------------------------------------------------------------------------



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