[Bug 281226] devel/efivar: Fails to build with GCC 14: error: implicit declaration of function 'isprint' [-Wimplicit-function-declaration]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281226

            Bug ID: 281226
           Summary: devel/efivar: Fails to build with GCC 14: error:
                    implicit declaration of function 'isprint'
                    [-Wimplicit-function-declaration]
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
               URL: https://pkg-status.freebsd.org/gohan04/data/140amd64-d
                    efault-foo/2024-08-29_19h57m48s/logs/errors/efivar-0.1
                    5_9.log
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: ports-bugs@FreeBSD.org
          Reporter: salvadore@freebsd.org
            Blocks: 281091

Build fails with GCC 14. This blocks GCC_DEFAULT update to GCC 14.

gcc14 -O2 -pipe  -fstack-protector-strong -Wl,-rpath=/usr/local/lib/gcc14
-isystem /usr/local/include -fno-strict-aliasing  -Wall -Wsign-compare
-std=gnu11 -fshort-wchar -fPIC -D_GNU_SOURCE
-I/wrkdirs/usr/ports/devel/efivar/work/efivar-0.15/src/   -isystem
/usr/local/include -c -o efivar.o efivar.c
efivar.c: In function 'show_variable':
efivar.c:166:29: error: implicit declaration of function 'isprint'
[-Wimplicit-function-declaration]
  166 |                         if (isprint(data[index]))
      |                             ^~~~~~~
efivar.c:31:1: note: include '<ctype.h>' or provide a declaration of 'isprint'
   30 | #include "guid.h"
  +++ |+#include <ctype.h>
   31 | 
gmake[1]: *** [/wrkdirs/usr/ports/devel/efivar/work/efivar-0.15/Make.rules:14:
efivar.o] Error 1
gmake[1]: Leaving directory
'/wrkdirs/usr/ports/devel/efivar/work/efivar-0.15/src'
gmake: *** [Makefile:9: src] Error 2
*** Error code 1

Stop.

Full log:
https://pkg-status.freebsd.org/gohan04/data/140amd64-default-foo/2024-08-29_19h57m48s/logs/errors/efivar-0.15_9.log

Useful link: https://gcc.gnu.org/gcc-14/porting_to.html


Referenced Bugs:

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281091
[Bug 281091] [exp-run] Update GCC_DEFAULT to 14 etc.
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