a.rb

$ make
Making all in ADOL-C
Making all in src
make  all-recursive
Making all in drivers
  CC       drivers.lo
  CC       driversf.lo
  CC       odedrivers.lo
  CC       odedriversf.lo
  CC       taylor.lo
  CCLD     libdrivers.la
Making all in sparse
  CXX      sparse_fo_rev.lo
  CXX      sparsedrivers.lo
In file included from sparsedrivers.cpp:1117:
../../../ADOL-C/include/adolc/adtl.h:277:40: warning: self-comparison always evaluates
      to true [-Wtautological-compare]
    return (forward_mode & ADTL_Z_MASK == ADTL_Z_MASK);
                                       ^
../../../ADOL-C/include/adolc/adtl.h:277:26: warning: & has lower precedence than ==;
      == will be evaluated first [-Wparentheses]
    return (forward_mode & ADTL_Z_MASK == ADTL_Z_MASK);
                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../../ADOL-C/include/adolc/adtl.h:277:26: note: place parentheses around the ==
      expression to silence this warning
    return (forward_mode & ADTL_Z_MASK == ADTL_Z_MASK);
                         ^
                           (                         )
../../../ADOL-C/include/adolc/adtl.h:277:26: note: place parentheses around the &
      expression to evaluate it first
    return (forward_mode & ADTL_Z_MASK == ADTL_Z_MASK);
                         ^
            (                         )
../../../ADOL-C/include/adolc/adtl.h:283:40: warning: self-comparison always evaluates
      to true [-Wtautological-compare]
    return (forward_mode & ADTL_F_MASK == ADTL_F_MASK);
                                       ^
../../../ADOL-C/include/adolc/adtl.h:283:26: warning: & has lower precedence than ==;
      == will be evaluated first [-Wparentheses]
    return (forward_mode & ADTL_F_MASK == ADTL_F_MASK);
                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../../ADOL-C/include/adolc/adtl.h:283:26: note: place parentheses around the ==
      expression to silence this warning
    return (forward_mode & ADTL_F_MASK == ADTL_F_MASK);
                         ^
                           (                         )
../../../ADOL-C/include/adolc/adtl.h:283:26: note: place parentheses around the &
      expression to evaluate it first
    return (forward_mode & ADTL_F_MASK == ADTL_F_MASK);
                         ^
            (                         )
../../../ADOL-C/include/adolc/adtl.h:289:40: warning: self-comparison always evaluates
      to true [-Wtautological-compare]
    return (forward_mode & ADTL_I_MASK == ADTL_I_MASK);
                                       ^
../../../ADOL-C/include/adolc/adtl.h:289:26: warning: & has lower precedence than ==;
      == will be evaluated first [-Wparentheses]
    return (forward_mode & ADTL_I_MASK == ADTL_I_MASK);
                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../../ADOL-C/include/adolc/adtl.h:289:26: note: place parentheses around the ==
      expression to silence this warning
    return (forward_mode & ADTL_I_MASK == ADTL_I_MASK);
                         ^
                           (                         )
../../../ADOL-C/include/adolc/adtl.h:289:26: note: place parentheses around the &
      expression to evaluate it first
    return (forward_mode & ADTL_I_MASK == ADTL_I_MASK);
                         ^
            (                         )
../../../ADOL-C/include/adolc/adtl.h:296:239: warning: invalid conversion specifier '
' [-Wformat-invalid-specifier]
  ...Number of currently existing adoubles = %z\n", refcounter::refcnt);
                                             ~~^
../../../ADOL-C/include/adolc/adtl.h:307:237: warning: invalid conversion specifier '
' [-Wformat-invalid-specifier]
  ...Number of currently exisiting adoubles = %z\n", refcounter::refcnt);
                                              ~~^
sparsedrivers.cpp:1142:11: error: variable length array of non-POD element type
      'adtl::adouble'
        adouble x[n],y[m];
                 ^
sparsedrivers.cpp:1161:40: error: use of undeclared identifier 'y'
    ret_val = ADOLC_get_sparse_pattern(y, m, sJinfos.JP );
                                       ^
sparsedrivers.cpp:1205:11: error: variable length array of non-POD element type
      'adtl::adouble'
        adouble x[n],y[m];
                 ^
sparsedrivers.cpp:1221:29: error: use of undeclared identifier 'y'
          sJinfos.B[i][j] = y[i].getADValue(j);
                            ^
8 warnings and 4 errors generated.
make[4]: *** [sparsedrivers.lo] Error 1
make[3]: *** [all-recursive] Error 1
make[2]: *** [all] Error 2
make[1]: *** [all-recursive] Error 1
make: *** [all-recursive] Error 1