[MacPorts] #62307: gnuregex @0.12_2: error: implicit declaration of function 'free' is invalid in C99

MacPorts noreply at macports.org
Tue Feb 16 00:54:09 UTC 2021


#62307: gnuregex @0.12_2: error: implicit declaration of function 'free' is invalid
in C99
-----------------------------+----------------------
 Reporter:  cooljeanius      |      Owner:  (none)
     Type:  defect           |     Status:  new
 Priority:  Normal           |  Milestone:
Component:  ports            |    Version:  2.6.4
 Keywords:  bigsur catalina  |       Port:  gnuregex
-----------------------------+----------------------
 Another victim of -Werror=implicit-function-declaration being on by
 default now:
 {{{
 make: Entering directory
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_sysutils_gnuregex/gnuregex/work/regex-0.12'
 /usr/bin/clang -g  -DHAVE_STRING_H=1 -Dconst= -I. -I. -c regex.c
 regex.c:69:7: warning: incompatible redeclaration of library function
 'malloc' [-Wincompatible-library-redeclaration]
 char *malloc ();
       ^
 regex.c:69:7: note: 'malloc' is a builtin with type 'void *(unsigned
 long)'
 regex.c:70:7: warning: incompatible redeclaration of library function
 'realloc' [-Wincompatible-library-redeclaration]
 char *realloc ();
       ^
 regex.c:70:7: note: 'realloc' is a builtin with type 'void *(void *,
 unsigned long)'
 regex.c:1629:17: warning: add explicit braces to avoid dangling else
 [-Wdangling-else]
                 else
                 ^
 regex.c:1649:17: warning: add explicit braces to avoid dangling else
 [-Wdangling-else]
                 else
                 ^
 regex.c:2042:3: error: implicit declaration of function 'free' is invalid
 in C99 [-Werror,-Wimplicit-function-declaration]
   free (compile_stack.stack);
   ^
 regex.c:2784:11: error: implicitly declaring library function 'abort' with
 type 'void (void) __attribute__((noreturn))' [-Werror,-Wimplicit-function-
 declaration]
           abort (); /* We have listed all the cases.  */
           ^
 regex.c:2784:11: note: include the header <stdlib.h> or explicitly provide
 a declaration for 'abort'
 regex.c:2834:33: warning: expression which evaluates to zero treated as a
 null pointer constant of type 'regoff_t *' (aka 'int *') [-Wnon-literal-
 null-conversion]
       regs->start = regs->end = (regoff_t) 0;
                                 ^~~~~~~~~~~~
 regex.c:3771:19: warning: cast to 'fail_stack_elt_t' (aka 'unsigned char
 *') from smaller integer type 'unsigned int' [-Wint-to-pointer-cast]
                   PUSH_FAILURE_POINT (p1 + mcnt, d, -2);
                   ^
 regex.c:2407:5: note: expanded from macro 'PUSH_FAILURE_POINT'
     PUSH_FAILURE_ITEM (lowest_active_reg);                              \
     ^
 regex.c:2328:42: note: expanded from macro 'PUSH_FAILURE_ITEM'
   fail_stack.stack[fail_stack.avail++] = (fail_stack_elt_t) item
                                          ^
 regex.c:3771:19: warning: cast to 'fail_stack_elt_t' (aka 'unsigned char
 *') from smaller integer type 'unsigned int' [-Wint-to-pointer-cast]
 regex.c:2410:5: note: expanded from macro 'PUSH_FAILURE_POINT'
     PUSH_FAILURE_ITEM (highest_active_reg);                             \
     ^
 regex.c:2328:42: note: expanded from macro 'PUSH_FAILURE_ITEM'
   fail_stack.stack[fail_stack.avail++] = (fail_stack_elt_t) item
                                          ^
 regex.c:3918:11: warning: cast to 'fail_stack_elt_t' (aka 'unsigned char
 *') from smaller integer type 'unsigned int' [-Wint-to-pointer-cast]
           PUSH_FAILURE_POINT (p + mcnt, NULL, -2);
           ^
 regex.c:2407:5: note: expanded from macro 'PUSH_FAILURE_POINT'
     PUSH_FAILURE_ITEM (lowest_active_reg);                              \
     ^
 regex.c:2328:42: note: expanded from macro 'PUSH_FAILURE_ITEM'
   fail_stack.stack[fail_stack.avail++] = (fail_stack_elt_t) item
                                          ^
 regex.c:3918:11: warning: cast to 'fail_stack_elt_t' (aka 'unsigned char
 *') from smaller integer type 'unsigned int' [-Wint-to-pointer-cast]
 regex.c:2410:5: note: expanded from macro 'PUSH_FAILURE_POINT'
     PUSH_FAILURE_ITEM (highest_active_reg);                             \
     ^
 regex.c:2328:42: note: expanded from macro 'PUSH_FAILURE_ITEM'
   fail_stack.stack[fail_stack.avail++] = (fail_stack_elt_t) item
                                          ^
 regex.c:3971:11: warning: cast to 'fail_stack_elt_t' (aka 'unsigned char
 *') from smaller integer type 'unsigned int' [-Wint-to-pointer-cast]
           PUSH_FAILURE_POINT (p + mcnt, d, -2);
           ^
 regex.c:2407:5: note: expanded from macro 'PUSH_FAILURE_POINT'
     PUSH_FAILURE_ITEM (lowest_active_reg);                              \
     ^
 regex.c:2328:42: note: expanded from macro 'PUSH_FAILURE_ITEM'
   fail_stack.stack[fail_stack.avail++] = (fail_stack_elt_t) item
                                          ^
 regex.c:3971:11: warning: cast to 'fail_stack_elt_t' (aka 'unsigned char
 *') from smaller integer type 'unsigned int' [-Wint-to-pointer-cast]
 regex.c:2410:5: note: expanded from macro 'PUSH_FAILURE_POINT'
     PUSH_FAILURE_ITEM (highest_active_reg);                             \
     ^
 regex.c:2328:42: note: expanded from macro 'PUSH_FAILURE_ITEM'
   fail_stack.stack[fail_stack.avail++] = (fail_stack_elt_t) item
                                          ^
 regex.c:4110:11: warning: cast to 'fail_stack_elt_t' (aka 'unsigned char
 *') from smaller integer type 'unsigned int' [-Wint-to-pointer-cast]
           PUSH_FAILURE_POINT (0, 0, -2);
           ^
 regex.c:2407:5: note: expanded from macro 'PUSH_FAILURE_POINT'
     PUSH_FAILURE_ITEM (lowest_active_reg);                              \
     ^
 regex.c:2328:42: note: expanded from macro 'PUSH_FAILURE_ITEM'
   fail_stack.stack[fail_stack.avail++] = (fail_stack_elt_t) item
                                          ^
 regex.c:4110:11: warning: cast to 'fail_stack_elt_t' (aka 'unsigned char
 *') from smaller integer type 'unsigned int' [-Wint-to-pointer-cast]
 regex.c:2410:5: note: expanded from macro 'PUSH_FAILURE_POINT'
     PUSH_FAILURE_ITEM (highest_active_reg);                             \
     ^
 regex.c:2328:42: note: expanded from macro 'PUSH_FAILURE_ITEM'
   fail_stack.stack[fail_stack.avail++] = (fail_stack_elt_t) item
                                          ^
 regex.c:4123:11: warning: cast to 'fail_stack_elt_t' (aka 'unsigned char
 *') from smaller integer type 'unsigned int' [-Wint-to-pointer-cast]
           PUSH_FAILURE_POINT (0, 0, -2);
           ^
 regex.c:2407:5: note: expanded from macro 'PUSH_FAILURE_POINT'
     PUSH_FAILURE_ITEM (lowest_active_reg);                              \
     ^
 regex.c:2328:42: note: expanded from macro 'PUSH_FAILURE_ITEM'
   fail_stack.stack[fail_stack.avail++] = (fail_stack_elt_t) item
                                          ^
 regex.c:4123:11: warning: cast to 'fail_stack_elt_t' (aka 'unsigned char
 *') from smaller integer type 'unsigned int' [-Wint-to-pointer-cast]
 regex.c:2410:5: note: expanded from macro 'PUSH_FAILURE_POINT'
     PUSH_FAILURE_ITEM (highest_active_reg);                             \
     ^
 regex.c:2328:42: note: expanded from macro 'PUSH_FAILURE_ITEM'
   fail_stack.stack[fail_stack.avail++] = (fail_stack_elt_t) item
                                          ^
 regex.c:4863:7: error: implicit declaration of function 'free' is invalid
 in C99 [-Werror,-Wimplicit-function-declaration]
       free (regs.start);
       ^
 regex.c:4924:5: error: implicit declaration of function 'free' is invalid
 in C99 [-Werror,-Wimplicit-function-declaration]
     free (preg->buffer);
     ^
 15 warnings and 4 errors generated.
 make: *** [regex.o] Error 1
 make: Leaving directory
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_sysutils_gnuregex/gnuregex/work/regex-0.12'
 Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_sysutils_gnuregex/gnuregex/work/regex-0.12"
 && /usr/bin/make -j16 -w all subdirs=test
 Exit code: 2
 Error: Failed to build gnuregex: command execution failed
 DEBUG: Error code: CHILDSTATUS 69307 2
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/62307>
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