Address sanitizer options kindly provided by @noloader have been
migrated to .github/workflows/testsuite.yml.

This addresses a couple issues found via
#186.

Object files lack dependency on `config.h` symlink (and usually depend
only on `ldns/config.h`). As a result build occasionally fails in
`make --shuffe mode`:

    $ make --shuffle
    ...
    ./libtool --tag=CC --quiet --mode=compile gcc -I. -I.  \
      -DHAVE_CONFIG_H -DLDNS_TRUST_ANCHOR_FILE="\"...-dns-root-data-2019-01-11/root.key\"" \
      -DOPENSSL_API_COMPAT=10100 -fno-strict-aliasing -Wunused-function -Wstrict-prototypes \
      -Wwrite-strings -W -Wall -g -O2 -I...-openssl-3.0.7-dev/include -c examples/ldns-rrsig.c \
      -o examples/ldns-rrsig.o
    examples/ldns-rrsig.c:10:10: fatal error: config.h: No such file or directory
       10 | #include "config.h"
          |          ^~~~~~~~~~

The change moves `config.h` symlink creation in `setup-builddir` from
a dependency on final binary to dependency on all individual objects.

While at it regenerated dependencies with `make depend`.

before the change `make --shuffle` build was failing in about 50% cases.
After the change: `make --shuffle` succeeded 80 times in a row.

This is needed for macOS CI testing.

Rather than adding \000 to an existing label, add a new label "\000." to the start of the domain name, to find the closes next possible domain name.

$OSTYPE under FreeBSD is “FreeBSD”, which doesn’t match “*bsd*”.
This updates the test to accommodate that capitalization variance.

This adds a copy of the function prototypes for internal functions where
necessary.

It effectively works around the following compilation error:
error: no previous prototype for function [-Werror,-Wmissing-prototypes]

Tested on FreeBSD/amd64 (14.0-CURRENT).

With -Wstrict-prototypes clang warns that "a function declaration
without a prototype is deprecated in all versions of C."

libressl >= 3.8.1 removed ENGINE support:
"ENGINE support was removed and OPENSSL_NO_ENGINE is set. In spite
of this, some stub functions are provided to avoid patching some
applications that do not honor OPENSSL_NO_ENGINE."
resulting in the following build failure with gost:

./keys.c:167:35: error: 'ENGINE_METHOD_ALL' undeclared (first use in this function)
  167 |         if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
      |                                   ^~~~~~~~~~~~~~~~~

Fixes:
 - http://autobuild.buildroot.org/results/37cc05b78a7004caa1b45d896121f059a4f8ca00

Signed-off-by: Fabrice Fontaine <[email protected]>

SWIG_Python_str_AsChar needs to be replaced by SWIG_PyUnicode_AsUTF8AndSize
See swig/swig@f89dd59

The replacement, SWIG_PyUnicode_AsUTF8AndSize, has different
memory management requirements.

The ssize_t type can be int instead of long, and the pointer
types are incompatible.

This change ignores several files which are generated by autotools, et
al.

Signed-off-by: Enji Cooper <[email protected]>

Signed-off-by: Enji Cooper <[email protected]>

Prior to this change `dsasig` was not freed when calling `DSA_SIG_set0`
failed. Free `dsasig` on error in that code path now.

Reported by:	Coverity
Signed-off-by: Enji Cooper <[email protected]>

Both `i` and `n` should match the return type for `sk_X509_num` (which
is `int`, not `size_t`). This addresses a potential issue where
`sk_X509_num(..)` could return -1, resulting in an unnecessary number of
loop iterations and undesirable behavior.

Reported by:	Coverity
Signed-off-by: Enji Cooper <[email protected]>

Address several issues with the ultimate goal being to fix Coverity cited problems

32-bit compatibility for Python SWIG bindings

SWIG_Python_str_AsChar removal in SWIG 4.2.0

const ldns_rdf * typemap fixes to support swig-4.2.0

keys.c: fix build with libressl >= 3.8.1

progs: don't underlink to libldns

Update declaration for function with no arguments

ldns: fix the build in FreeBSD's base system

improve 'next-label' algorithm in ldns-walk

Add functions to extract RFC 8914 extended errors

Expand CI: Cygwin, BSDs, musl libc, 32-bit, and big-endian

and a small dereferencing void * fix

Enable testing in macOS CI

And the BSD's don't like sudo

Makefile.in: build config.h before any object

16-unit-tests-edns: Fix leak & warnings

Remove unused CI recipes and extend GitHub workflow

This reverts commit d7767a6, reversing
changes made to 8d76771.

Still zome left in ldns-verify-zone, but leaving it for now

Because it broke make