* werror-undef.patch partially reverts
https://github.com/madler/zlib/commit/7108497fda9d4536a1afade7f42266e06dca4488
so the build doesn't fail with
In file included from /mnt/4d311c06-5193-4f61-a3f6-53ca4d9ea1e1/libreoffice/workdir/UnpackedTarball/zlib/zlib.h:37,
from /mnt/4d311c06-5193-4f61-a3f6-53ca4d9ea1e1/libreoffice/sal/rtl/crc.cxx:24:
/mnt/4d311c06-5193-4f61-a3f6-53ca4d9ea1e1/libreoffice/workdir/UnpackedTarball/zlib/zconf.h:446:5: error: "HAVE_UNISTD_H" is not defined, evaluates to 0 [-Werror=undef]
446 | #if HAVE_UNISTD_H /* may be set to #if 1 by ./configure */
| ^~~~~~~~~~~~~
/mnt/4d311c06-5193-4f61-a3f6-53ca4d9ea1e1/libreoffice/workdir/UnpackedTarball/zlib/zconf.h:450:5: error: "HAVE_STDARG_H" is not defined, evaluates to 0 [-Werror=undef]
450 | #if HAVE_STDARG_H /* may be set to #if 1 by ./configure */
| ^~~~~~~~~~~~~
cc1plus: all warnings being treated as errors
Change-Id: I8f1dbaf627a573b9a5ff8c9f20061ec482b87c8d
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/199616
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>
Tested-by: Jenkins
> workdir/UnpackedTarball/zlib/gzlib.c:242:9: error: call to undeclared function 'lseek'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
> 242 | LSEEK(state->fd, 0, SEEK_END); /* so gzoffset() is correct */
> | ^
etc., as causing an error now by default with Clang 18 trunk
Change-Id: Ic19c5710357a1f65046b5a225c6a181c3046938c
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/160554
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <stephan.bergmann@allotropia.de>