Compiler warnings on FreeBSD

clang-6.0.1 prints these warnings on FreeBSD:


In file included from ./amd/amd_internal.h:15:
./env/env.h:32:9: warning: 'SIZE_T_MAX' macro redefined [-Wmacro-redefined]
#define SIZE_T_MAX (~(size_t)0)
         ^
/usr/include/sys/limits.h:76:9: note: previous definition is here
#define SIZE_T_MAX      __SIZE_T_MAX    /* max value for a size_t */
         ^

api/cplex.c:243:49: warning: '&&' within '||' [-Wlogical-op-parentheses]
       else if (isalpha(csa->c) || csa->c != '.' && strchr(CHAR_SET,
                                ~~ ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
api/cplex.c:243:49: note: place parentheses around the '&&' expression 
to silence this warning
       else if (isalpha(csa->c) || csa->c != '.' && strchr(CHAR_SET,
~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
api/gridgen.c:292:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
       if (parm[9] == 1 && parm[10] > parm[11] ||
           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ ~~
api/gridgen.c:292:24: note: place parentheses around the '&&' expression 
to silence this warning
       if (parm[9] == 1 && parm[10] > parm[11] ||
                        ^
           (                                  )
api/gridgen.c:293:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
           parm[9] == 2 && parm[10] < 1)
           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~
api/gridgen.c:293:24: note: place parentheses around the '&&' expression 
to silence this warning
           parm[9] == 2 && parm[10] < 1)
                        ^
           (                           )
api/mps.c:1130:21: warning: '&&' within '||' [-Wlogical-op-parentheses]
           csa->deck && strlen(csa->P->row[i]->name) > 8)
           ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
api/prob5.c:72:31: warning: '&&' within '||' [-Wlogical-op-parentheses]
       if (row->stat == GLP_BS && stat != GLP_BS ||
           ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~ ~~
api/prob5.c:72:31: note: place parentheses around the '&&' expression to 
silence this warning
       if (row->stat == GLP_BS && stat != GLP_BS ||
           ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
api/prrngs.c:114:46: warning: '&&' within '||' [-Wlogical-op-parentheses]
          if (pass == 1 && k > m || pass == 2 && k <= m)
                                 ~~ ~~~~~~~~~~^~~~~~~~~
mpl/mpl1.c:4573:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
            mpl->flag_d && is_literal(mpl, "end"))
            ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
mpl/mpl1.c:4573:24: note: place parentheses around the '&&' expression 
to silence this warning
            mpl->flag_d && is_literal(mpl, "end"))
                        ^
            (                                    )


Yuri


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