Hi. Just noticed that nixio fails to build with openssl 3.0 due to deprecated functions.
sudo luarocks-5.1 make
mkdir -p dist/usr/local/share/lua/5.1
cp -pR lua/* dist/usr/local/share/lua/5.1 2>/dev/null || true
for i in $(find dist -name .svn); do rm -rf $i || true; done
gcc -O2 --std=gnu99 -Wall -Werror -pedantic -O2 -fPIC -I/usr/include -fPIC -c -o src/address.o src/address.c
gcc -O2 --std=gnu99 -Wall -Werror -pedantic -O2 -fPIC -I/usr/include -fPIC -c -o src/poll.o src/poll.c
gcc -O2 --std=gnu99 -Wall -Werror -pedantic -O2 -fPIC -I/usr/include -fPIC -c -o src/io.o src/io.c
gcc -O2 --std=gnu99 -Wall -Werror -pedantic -O2 -fPIC -I/usr/include -fPIC -c -o src/file.o src/file.c
gcc -O2 --std=gnu99 -Wall -Werror -pedantic -O2 -fPIC -I/usr/include -fPIC -c -o src/splice.o src/splice.c
gcc -O2 --std=gnu99 -Wall -Werror -pedantic -O2 -fPIC -I/usr/include -fPIC -c -o src/process.o src/process.c
gcc -O2 --std=gnu99 -Wall -Werror -pedantic -O2 -fPIC -I/usr/include -fPIC -c -o src/syslog.o src/syslog.c
gcc -O2 --std=gnu99 -Wall -Werror -pedantic -O2 -fPIC -I/usr/include -fPIC -c -o src/bit.o src/bit.c
gcc -O2 --std=gnu99 -Wall -Werror -pedantic -O2 -fPIC -I/usr/include -fPIC -c -o src/binary.o src/binary.c
gcc -O2 --std=gnu99 -Wall -Werror -pedantic -O2 -fPIC -I/usr/include -fPIC -c -o src/fs.o src/fs.c
gcc -O2 --std=gnu99 -Wall -Werror -pedantic -O2 -fPIC -I/usr/include -fPIC -c -o src/user.o src/user.c
gcc -O2 --std=gnu99 -Wall -Werror -pedantic -O2 -fPIC -I/usr/include -fPIC -c -o src/tls-crypto.o src/tls-crypto.c
src/tls-crypto.c: In function 'nixio_crypto_hash__init':
src/tls-crypto.c:38:17: error: 'MD5_Init' is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declarations]
38 | MD5_Init((MD5_CTX*)hash->ctx);
| ^~~~~~~~
In file included from src/nixio-tls.h:9,
from src/tls-crypto.c:19:
/usr/include/openssl/md5.h:49:27: note: declared here
49 | OSSL_DEPRECATEDIN_3_0 int MD5_Init(MD5_CTX *c);
| ^~~~~~~~
src/tls-crypto.c:39:17: error: 'MD5_Init' is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declarations]
39 | hash->init = (nixio_hash_initcb)MD5_Init;
| ^~~~
/usr/include/openssl/md5.h:49:27: note: declared here
49 | OSSL_DEPRECATEDIN_3_0 int MD5_Init(MD5_CTX *c);
| ^~~~~~~~
src/tls-crypto.c:40:17: error: 'MD5_Update' is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declarations]
40 | hash->update = (nixio_hash_updatecb)MD5_Update;
| ^~~~
/usr/include/openssl/md5.h:50:27: note: declared here
50 | OSSL_DEPRECATEDIN_3_0 int MD5_Update(MD5_CTX *c, const void *data, size_t len);
| ^~~~~~~~~~
src/tls-crypto.c:41:17: error: 'MD5_Final' is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declarations]
41 | hash->final = (nixio_hash_finalcb)MD5_Final;
| ^~~~
/usr/include/openssl/md5.h:51:27: note: declared here
51 | OSSL_DEPRECATEDIN_3_0 int MD5_Final(unsigned char *md, MD5_CTX *c);
| ^~~~~~~~~
src/tls-crypto.c:50:17: error: 'SHA1_Init' is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declarations]
50 | SHA1_Init((SHA_CTX*)hash->ctx);
| ^~~~~~~~~
In file included from /usr/include/openssl/x509.h:41,
from /usr/include/openssl/ssl.h:31,
from src/nixio-tls.h:8:
/usr/include/openssl/sha.h:49:27: note: declared here
49 | OSSL_DEPRECATEDIN_3_0 int SHA1_Init(SHA_CTX *c);
| ^~~~~~~~~
src/tls-crypto.c:51:17: error: 'SHA1_Init' is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declarations]
51 | hash->init = (nixio_hash_initcb)SHA1_Init;
| ^~~~
/usr/include/openssl/sha.h:49:27: note: declared here
49 | OSSL_DEPRECATEDIN_3_0 int SHA1_Init(SHA_CTX *c);
| ^~~~~~~~~
src/tls-crypto.c:52:17: error: 'SHA1_Update' is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declarations]
52 | hash->update = (nixio_hash_updatecb)SHA1_Update;
| ^~~~
/usr/include/openssl/sha.h:50:27: note: declared here
50 | OSSL_DEPRECATEDIN_3_0 int SHA1_Update(SHA_CTX *c, const void *data, size_t len);
| ^~~~~~~~~~~
src/tls-crypto.c:53:17: error: 'SHA1_Final' is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declarations]
53 | hash->final = (nixio_hash_finalcb)SHA1_Final;
| ^~~~
/usr/include/openssl/sha.h:51:27: note: declared here
51 | OSSL_DEPRECATEDIN_3_0 int SHA1_Final(unsigned char *md, SHA_CTX *c);
| ^~~~~~~~~~
cc1: all warnings being treated as errors
make: *** [Makefile:72: src/tls-crypto.o] Error 1
Error: Build error: Failed building.