sundials 6.4.1+dfsg1-1 FTBFS when built with LTO enabled.
Reported upstream: https://github.com/LLNL/sundials/issues/97
[ 85%] Linking Fortran executable test_fsunlinsol_spfgmr_mod_serial
cd /<<PKGBUILDDIR>>/debian/build/examples/sunlinsol/spfgmr/serial && /usr/bin/cmake -E cmake_link_script CMakeFiles/test_fsunlinsol_spfgmr_mod_serial.dir/link.txt --verbose=1
/usr/bin/gfortran -Wl,-Bsymbolic-functions -flto=auto -ffat-lto-objects -flto=auto -Wl,-z,relro -Wl,-z,now -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -flto=auto -ffat-lto-objects -flto=auto -ffat-lto-objects -fstack-protector-strong CMakeFiles/test_fsunlinsol_spfgmr_mod_serial.dir/test_fsunlinsol_spfgmr_mod_serial.f90.o CMakeFiles/test_fsunlinsol_spfgmr_mod_serial.dir/__/__/__/utilities/test_utilities.f90.o CMakeFiles/test_fsunlinsol_spfgmr_mod_serial.dir/__/__/test_sunlinsol.f90.o -o test_fsunlinsol_spfgmr_mod_serial -Wl,-rpath,/<<PKGBUILDDIR>>/debian/build/src/nvector/serial/fmod:/<<PKGBUILDDIR>>/debian/build/src/sunlinsol/spfgmr/fmod:/<<PKGBUILDDIR>>/debian/build/src/nvector/serial:/<<PKGBUILDDIR>>/debian/build/src/sunlinsol/spfgmr ../../../../src/nvector/serial/fmod/libsundials_fnvecserial_mod.so.6.4.1 ../../../../src/sunlinsol/spfgmr/fmod/libsundials_fsunlinsolspfgmr_mod.so.4.4.1 -lm ../../../../src/nvector/serial/libsundials_nvecserial.so.6.4.1 ../../../../src/sunlinsol/spfgmr/libsundials_sunlinsolspfgmr.so.4.4.1
/usr/bin/ld: /tmp/ccYCfvAc.ltrans0.ltrans.o: in function `MAIN__':
/usr/bin/cmake -E cmake_copy_f90_mod examples/sunlinsol/spbcgs/serial/test_sunlinsol.mod examples/sunlinsol/spbcgs/serial/CMakeFiles/test_fsunlinsol_spbcgs_mod_serial.dir/test_sunlinsol.mod.stamp GNU
./debian/build/examples/sunlinsol/spgmr/serial/./examples/sunlinsol/test_sunlinsol.f90:213: undefined reference to `psolve'
/usr/bin/ld: /tmp/ccYCfvAc.ltrans0.ltrans.o:./debian/build/examples/sunlinsol/spgmr/serial/./examples/sunlinsol/test_sunlinsol.f90:213: undefined reference to `psetup'
collect2: error: ld returned 1 exit status
make[3]: *** [examples/sunlinsol/spgmr/serial/CMakeFiles/test_fsunlinsol_spgmr_mod_serial.dir/build.make:133: examples/sunlinsol/spgmr/serial/test_fsunlinsol_spgmr_mod_serial] Error 1
This bug was fixed in the package lto-disabled-list - 37
---------------
lto-disabled-list (37) lunar; urgency=medium
* Add sundials to avoid FTBFS (LP: #2000823)
-- Graham Inggs <email address hidden> Sat, 31 Dec 2022 20:00:11 +0000