Found the following significant warnings:
  apply.cc:70:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  apply.cc:130:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:277:13: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:323:13: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:410:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:442:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:487:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:502:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:526:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:537:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:591:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:601:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:640:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:654:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:670:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:688:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:707:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:729:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:751:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:774:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:816:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:875:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:896:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:918:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:952:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:982:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:1017:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:1047:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:1080:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:1115:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:1149:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:1189:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:1230:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:1269:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:1302:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:1347:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:1368:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigintegerR.cc:1388:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:245:13: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:268:13: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:314:13: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:464:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:480:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:496:13: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:512:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:543:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:553:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:575:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:599:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:640:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:675:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:696:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:716:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:748:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:780:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:807:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:834:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:863:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  bigrationalR.cc:923:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  factor.cc:56:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  extract_matrix.cc:16:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  extract_matrix.cc:66:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  extract_matrix.cc:84:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  extract_matrix.cc:103:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  matrix.cc:130:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  matrix.cc:163:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  matrix.cc:267:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  matrix.cc:472:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  matrix.cc:524:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  matrix.cc:569:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  matrixq.cc:103:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  matrixq.cc:135:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  matrixq.cc:226:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  matrixq.cc:410:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  matrixq.cc:449:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  matrixq.cc:486:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  solve.cc:29:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  solve.cc:81:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  solve.cc:127:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  solve.cc:141:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
See ‘/data/gannet/ripley/R/packages/tests-clang/gmp.Rcheck/00install.out’ for details.
* used C++ compiler: ‘clang version 17.0.5’