Add snmp and net-snmp support for macOS and Linux (#946)

Co-authored-by: Marc <m@pyc.ac>

src/SPC/builder/unix/library/net_snmp.php

@@ -0,0 +1,49 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\builder\unix\library;
+
+use SPC\store\FileSystem;
+use SPC\util\executor\UnixAutoconfExecutor;
+
+trait net_snmp
+{
+    public function patchBeforeBuild(): bool
+    {
+        if (PHP_OS_FAMILY === 'Linux') {
+            FileSystem::replaceFileStr("{$this->source_dir}/configure", 'LIBS="-lssl ${OPENSSL_LIBS}"', 'LIBS="-lssl ${OPENSSL_LIBS} -lpthread -ldl"');
+            return true;
+        }
+        return false;
+    }
+
+    protected function build(): void
+    {
+        // use --static for PKG_CONFIG
+        UnixAutoconfExecutor::create($this)
+            ->setEnv(['PKG_CONFIG' => getenv('PKG_CONFIG') . ' --static'])
+            ->configure(
+                '--disable-mibs',
+                '--without-nl',
+                '--disable-agent',
+                '--disable-applications',
+                '--disable-manuals',
+                '--disable-scripts',
+                '--disable-embedded-perl',
+                '--without-perl-modules',
+                '--with-out-mib-modules="if-mib host disman/event-mib ucd-snmp/diskio mibII"',
+                '--with-out-transports="Unix"',
+                '--with-mib-modules=""',
+                '--enable-mini-agent',
+                '--with-default-snmp-version="3"',
+                '--with-sys-contact="@@no.where"',
+                '--with-sys-location="Unknown"',
+                '--with-logfile="/var/log/snmpd.log"',
+                '--with-persistent-directory="/var/lib/net-snmp"',
+                '--with-openssl=' . BUILD_ROOT_PATH,
+                '--with-zlib=' . BUILD_ROOT_PATH,
+            )->make(with_install: 'installheaders installlibs install_pkgconfig');
+        $this->patchPkgconfPrefix();
+    }
+}