Found the following significant warnings:
  ./socp.h:42:13: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./socp.h:43:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./socp.h:44:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./socp.h:45:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./socp.h:48:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./socp.h:49:11: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./socp.h:52:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./socp.h:55:13: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./socp.h:56:13: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  socp.c:32:9: warning: passing arguments to 'dscal_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:68:11: warning: passing arguments to 'dcopy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:98:14: warning: passing arguments to 'ddot_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:155:9: warning: passing arguments to 'dcopy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:156:9: warning: passing arguments to 'daxpy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:159:9: warning: passing arguments to 'dcopy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:160:9: warning: passing arguments to 'daxpy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:161:9: warning: passing arguments to 'daxpy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:164:9: warning: passing arguments to 'dcopy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:165:9: warning: passing arguments to 'daxpy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:168:9: warning: passing arguments to 'dcopy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:169:9: warning: passing arguments to 'daxpy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:170:9: warning: passing arguments to 'daxpy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:397:9: warning: passing arguments to 'dcopy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:398:9: warning: passing arguments to 'dgemv_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:406:14: warning: passing arguments to 'ddot_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:414:30: warning: passing arguments to 'ddot_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:415:23: warning: passing arguments to 'ddot_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:419:36: warning: passing arguments to 'ddot_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:421:37: warning: passing arguments to 'ddot_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:440:11: warning: passing arguments to 'dcopy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:441:11: warning: passing arguments to 'daxpy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:453:23: warning: passing arguments to 'dsyrk_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:457:12: warning: passing arguments to 'dsyr_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:460:13: warning: passing arguments to 'dgemv_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:464:12: warning: passing arguments to 'dsyr_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:469:11: warning: passing arguments to 'dgemv_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:472:14: warning: passing arguments to 'dposvx_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:483:14: warning: passing arguments to 'dgelss_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:487:13: warning: passing arguments to 'dcopy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:493:11: warning: passing arguments to 'dgemv_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:499:11: warning: passing arguments to 'dcopy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:503:13: warning: passing arguments to 'daxpy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:506:16: warning: passing arguments to 'ddot_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:508:13: warning: passing arguments to 'daxpy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:511:11: warning: passing arguments to 'dscal_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:521:13: warning: passing arguments to 'ddot_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:522:13: warning: passing arguments to 'ddot_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:573:11: warning: passing arguments to 'dcopy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:574:11: warning: passing arguments to 'daxpy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:576:11: warning: passing arguments to 'dcopy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:577:11: warning: passing arguments to 'daxpy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:620:11: warning: passing arguments to 'daxpy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:622:11: warning: passing arguments to 'daxpy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:624:11: warning: passing arguments to 'dcopy_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:625:11: warning: passing arguments to 'dgemv_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  socp.c:633:16: warning: passing arguments to 'ddot_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
See '/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/parma.Rcheck/00install.out' for details.