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bison-1.875: build feedback
From: |
Nelson H. F. Beebe |
Subject: |
bison-1.875: build feedback |
Date: |
Thu, 2 Jan 2003 07:28:09 -0700 (MST) |
Compilation of bison-1.875 with native c89 on SGI IRIX 6.5 produced a
successful build, validation, and installation. However, the compiler
reported some crud and other irregularities in the code:
------------------------------------------------------------------------
c89 -mips3 -O2 -DHAVE_CONFIG_H -I. -I. -I.. -I.. -I../src -I../lib
-I/usr/local/include -g -c `test -f 'bitset.c' || echo './'`bitset.c
cc-1116 c89: WARNING File = bitset.c, Line = 87
Non-void function "bitset_init" (declared at line 68) should return a value.
}
^
cc-1515 c89: WARNING File = bitset.c, Line = 149
A value of type "char *" cannot be assigned to an entity of type "bitset".
bset = obstack_alloc (bobstack, bytes);
^
------------------------------------------------------------------------
c89 -mips3 -O2 -DHAVE_CONFIG_H -I. -I. -I.. -I.. -I../src -I../lib
-I/usr/local/include -g -c `test -f 'ebitset.c' || echo './'`ebitset.c
cc-1116 c89: WARNING File = ebitset.c, Line = 322
Non-void function "ebitset_elt_find" (declared at line 260) should return a
value.
}
^
------------------------------------------------------------------------
c89 -mips3 -O2 -DHAVE_CONFIG_H -I. -I. -I.. -I.. -I../src -I../lib
-I/usr/local/include -g -c `test -f 'bitset_stats.c' || echo
'./'`bitset_stats.c
cc-1552 c89: WARNING File = bitset_stats.c, Line = 579
The variable "type" is set but never used.
enum bitset_type type;
^
------------------------------------------------------------------------
c89 -mips3 -O2 -DHAVE_CONFIG_H -I. -I. -I.. -I.. -I../src -I../lib
-I/usr/local/include -g -c `test -f 'lbitset.c' || echo './'`lbitset.c
cc-1116 c89: WARNING File = lbitset.c, Line = 381
Non-void function "lbitset_elt_find" (declared at line 317) should return a
value.
}
^
------------------------------------------------------------------------
c89 -mips3 -O2 -DHAVE_CONFIG_H -DPKGDATADIR=\"/usr/local/share/bison\"
-DLOCALEDIR=\"/usr/local/share/locale\" -I. -I. -I.. -I.. -I../lib
-I/usr/local/include -g -c `test -f 'LR0.c' || echo './'`LR0.c
cc-1185 c89: WARNING File = location.h, Line = 43
An enumerated type is mixed with another type.
return (a.column == b.column
^
[repeated for closure.c, complain.c, conflicts.c, ...]
------------------------------------------------------------------------
c89 -mips3 -O2 -DHAVE_CONFIG_H -DPKGDATADIR=\"/usr/local/share/bison\"
-DLOCALEDIR=\"/usr/local/share/locale\" -I. -I. -I.. -I.. -I../lib
-I/usr/local/include -g -c `test -f 'gram.c' || echo './'`gram.c
...
cc-1185 c89: WARNING File = gram.c, Line = 60
An enumerated type is mixed with another type.
return r->number < nrules;
^
cc-1185 c89: WARNING File = gram.c, Line = 71
An enumerated type is mixed with another type.
return r->number >= nrules;
^
cc-1185 c89: WARNING File = gram.c, Line = 83
An enumerated type is mixed with another type.
return !r->useful && r->number < nrules;
^
------------------------------------------------------------------------
c89 -mips3 -O2 -DHAVE_CONFIG_H -DPKGDATADIR=\"/usr/local/share/bison\"
-DLOCALEDIR=\"/usr/local/share/locale\" -I. -I. -I.. -I.. -I../lib
-I/usr/local/include -g -c `test -f 'muscle_tab.c' || echo './'`muscle_tab.c
cc-1185 c89: WARNING File = muscle_tab.c, Line = 50
An enumerated type is mixed with another type.
return strcmp (m1->key, m2->key) == 0;
^
------------------------------------------------------------------------
c89 -mips3 -O2 -DHAVE_CONFIG_H -DPKGDATADIR=\"/usr/local/share/bison\"
-DLOCALEDIR=\"/usr/local/share/locale\" -I. -I. -I.. -I.. -I../lib
-I/usr/local/include -g -c `test -f 'nullable.c' || echo './'`nullable.c
cc-1185 c89: WARNING File = nullable.c, Line = 110
An enumerated type is mixed with another type.
nullable[rules_ruleno->lhs->number - ntokens] = 1;
^
cc-1185 c89: WARNING File = nullable.c, Line = 123
An enumerated type is mixed with another type.
nullable[r->lhs->number - ntokens] = 1;
^
------------------------------------------------------------------------
c89 -mips3 -O2 -DHAVE_CONFIG_H -DPKGDATADIR=\"/usr/local/share/bison\"
-DLOCALEDIR=\"/usr/local/share/locale\" -I. -I. -I.. -I.. -I../lib
-I/usr/local/include -g -c `test -f 'reduce.c' || echo './'`reduce.c
cc-1185 c89: WARNING File = location.h, Line = 43
cc-1185 c89: WARNING File = reduce.c, Line = 240
An enumerated type is mixed with another type.
rules[r].useful = bitset_test (P, r);
^
------------------------------------------------------------------------
c89 -mips3 -O2 -DHAVE_CONFIG_H -DPKGDATADIR=\"/usr/local/share/bison\"
-DLOCALEDIR=\"/usr/local/share/locale\" -I. -I. -I.. -I.. -I../lib
-I/usr/local/include -g -c `test -f 'scan-gram.c' || echo './'`scan-gram.c
...
cc-1185 c89: WARNING File = scan-gram.l, Line = 512
An enumerated type is mixed with another type.
bool valid = yytext[0] == '{' || token_type == PERCENT_UNION;
^
cc-1185 c89: WARNING File = scan-gram.l, Line = 546
An enumerated type is mixed with another type.
bool outer_brace = --braces_level < 0;
^
------------------------------------------------------------------------
c89 -mips3 -O2 -DHAVE_CONFIG_H -DPKGDATADIR=\"/usr/local/share/bison\"
-DLOCALEDIR=\"/usr/local/share/locale\" -I. -I. -I.. -I.. -I../lib
-I/usr/local/include -g -c `test -f 'state.c' || echo './'`state.c
cc-1116 c89: WARNING File = state.c, Line = 65
Non-void function "transitions_to" (declared at line 58) should return a
value.
}
^
------------------------------------------------------------------------
c89 -mips3 -O2 -DHAVE_CONFIG_H -DPKGDATADIR=\"/usr/local/share/bison\"
-DLOCALEDIR=\"/usr/local/share/locale\" -I. -I. -I.. -I.. -I../lib
-I/usr/local/include -g -c `test -f 'symtab.c' || echo './'`symtab.c
cc-1185 c89: WARNING File = location.h, Line = 43
cc-1185 c89: WARNING File = symtab.c, Line = 397
An enumerated type is mixed with another type.
return UNIQSTR_EQ (m1->tag, m2->tag);
^
------------------------------------------------------------------------
c89 -mips3 -O2 -DHAVE_CONFIG_H -DPKGDATADIR=\"/usr/local/share/bison\"
-DLOCALEDIR=\"/usr/local/share/locale\" -I. -I. -I.. -I.. -I../lib
-I/usr/local/include -g -c `test -f 'uniqstr.c' || echo './'`uniqstr.c
cc-1185 c89: WARNING File = uniqstr.c, Line = 97
An enumerated type is mixed with another type.
return strcmp (m1, m2) == 0;
^
------------------------------------------------------------------------
In the last of these, the compiler is unhappy that the function is of
type bool, which is defined like this:
typedef enum {false = 0, true = 1} bool;
A simple test program showed that changing the code to
return (strcmp (m1, m2) == 0) ? true : false;
eliminates the warning. So does adding a type cast:
return (bool)(strcmp (m1, m2) == 0);
-------------------------------------------------------------------------------
- Nelson H. F. Beebe Tel: +1 801 581 5254 -
- Center for Scientific Computing FAX: +1 801 581 4148 -
- University of Utah Internet e-mail: address@hidden -
- Department of Mathematics, 110 LCB address@hidden address@hidden -
- 155 S 1400 E RM 233 address@hidden -
- Salt Lake City, UT 84112-0090, USA URL: http://www.math.utah.edu/~beebe -
-------------------------------------------------------------------------------
- bison-1.875: build feedback,
Nelson H. F. Beebe <=