[Bug 281248] sysutils/shim: Fails to build with GCC 14: error: implicit declaration of function 'WriteUnaligned32' [-Wimplicit-function-declaration]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281248

            Bug ID: 281248
           Summary: sysutils/shim: Fails to build with GCC 14: error:
                    implicit declaration of function 'WriteUnaligned32'
                    [-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/shim-0.9_5
                    .log
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: egypcio@FreeBSD.org
          Reporter: salvadore@freebsd.org
            Blocks: 281091
          Assignee: egypcio@FreeBSD.org
             Flags: maintainer-feedback?(egypcio@FreeBSD.org)

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

gcc14 -std=gnu99 -ggdb -O0 -I. -fno-stack-protector -fno-strict-aliasing -fpic
-fshort-wchar -Wall -IInclude -I/usr/local/include/efi
-I/usr/local/include/efi/x86_64 -I/usr/local/include/efi/protocol
-ffreestanding
-I/usr/local/lib/gcc14/gcc/x86_64-portbld-freebsd14.0/14.2.0/include -mno-mmx
-mno-sse -mno-red-zone -nostdinc -maccumulate-outgoing-args
-DEFI_FUNCTION_WRAPPER -DGNU_EFI_USE_MS_ABI   -c -o Pk/CryptPkcs7Verify.o
Pk/CryptPkcs7Verify.c
Pk/CryptPkcs7Verify.c: In function 'Pkcs7GetSigners':
Pk/CryptPkcs7Verify.c:435:5: error: implicit declaration of function
'WriteUnaligned32' [-Wimplicit-function-declaration]
  435 |     WriteUnaligned32 ((UINT32 *) (CertBuf + OldSize), (UINT32)
SingleCertSize);
      |     ^~~~~~~~~~~~~~~~
gmake[1]: *** [<builtin>: Pk/CryptPkcs7Verify.o] Error 1
gmake[1]: Leaving directory
'/wrkdirs/usr/ports/sysutils/shim/work/shim-0.9/Cryptlib'
gmake: *** [Makefile:128: Cryptlib/libcryptlib.a] Error 2
*** Error code 1

Stop.

Full log:
https://pkg-status.freebsd.org/gohan04/data/140amd64-default-foo/2024-08-29_19h57m48s/logs/errors/shim-0.9_5.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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