Fix old php version

Author: crazywhalecc

src/SPC/builder/extension/snmp.php

@@ -14,6 +14,10 @@ class snmp extends Extension
 {
     public function patchBeforeBuildconf(): bool
     {
+        // Overwrite m4 config using newer PHP version
+        if ($this->builder->getPHPVersionID() < 80400) {
+            FileSystem::copy(ROOT_DIR . '/src/global/extra/snmp-ext-config-old.m4', "{$this->source_dir}/config.m4");
+        }
         $libs = implode(' ', PkgConfigUtil::getLibsArray('netsnmp'));
         FileSystem::replaceFileStr(
             "{$this->source_dir}/config.m4",

src/globals/extra/snmp-ext-config-old.m4

@@ -0,0 +1,92 @@
+PHP_ARG_WITH([snmp],
+  [for SNMP support],
+  [AS_HELP_STRING([[--with-snmp[=DIR]]],
+    [Include SNMP support. Use PKG_CONFIG_PATH (or SNMP_CFLAGS and SNMP_LIBS)
+    environment variables, or alternatively the optional DIR argument to
+    customize where to look for the net-snmp-config utility of the NET-SNMP
+    library.])])
+
+if test "$PHP_SNMP" != "no"; then
+  snmp_found=no
+  AS_VAR_IF([PHP_SNMP], [yes],
+    [PKG_CHECK_MODULES([SNMP], [netsnmp >= 5.3], [snmp_found=yes], [:])])
+
+  AS_VAR_IF([snmp_found], [no], [
+    AS_VAR_IF([PHP_SNMP], [yes],
+      [AC_PATH_PROG([SNMP_CONFIG], [net-snmp-config],, [/usr/local/bin:$PATH])],
+      [SNMP_CONFIG="$PHP_SNMP/bin/net-snmp-config"])
+
+    AS_IF([test ! -x "$SNMP_CONFIG"],
+      [AC_MSG_ERROR(m4_text_wrap([
+        Could not find net-snmp-config binary. Please check your net-snmp
+        installation.
+      ]))])
+
+    snmp_version=$($SNMP_CONFIG --version)
+    AS_VERSION_COMPARE([$snmp_version], [5.3],
+      [AC_MSG_ERROR(m4_text_wrap([
+        Net-SNMP version 5.3 or greater required (detected $snmp_version).
+      ]))])
+
+    SNMP_PREFIX=$($SNMP_CONFIG --prefix)
+    SNMP_CFLAGS="-I${SNMP_PREFIX}/include"
+    SNMP_LIBS=$($SNMP_CONFIG --netsnmp-libs)
+    SNMP_LIBS="$SNMP_LIBS $($SNMP_CONFIG --external-libs)"
+
+    AS_IF([test -z "$SNMP_LIBS" || test -z "$SNMP_PREFIX"],
+      [AC_MSG_ERROR(m4_text_wrap([
+        Could not find the required paths. Please check your net-snmp
+        installation.
+      ]))])
+  ])
+
+  PHP_EVAL_INCLINE([$SNMP_CFLAGS])
+  PHP_EVAL_LIBLINE([$SNMP_LIBS], [SNMP_SHARED_LIBADD])
+  SNMP_LIBNAME=netsnmp
+
+  dnl Test build.
+  PHP_CHECK_LIBRARY([$SNMP_LIBNAME], [init_snmp],
+    [AC_DEFINE([HAVE_SNMP], [1],
+      [Define to 1 if the PHP extension 'snmp' is available.])],
+    [AC_MSG_FAILURE([SNMP sanity check failed.])],
+    [$SNMP_SHARED_LIBADD])
+
+  dnl Check whether shutdown_snmp_logging() exists.
+  PHP_CHECK_LIBRARY([$SNMP_LIBNAME], [shutdown_snmp_logging],
+    [AC_DEFINE([HAVE_SHUTDOWN_SNMP_LOGGING], [1],
+      [Define to 1 if SNMP library has the 'shutdown_snmp_logging' function.])],
+    [],
+    [$SNMP_SHARED_LIBADD])
+
+  CFLAGS_SAVE=$CFLAGS
+  LIBS_SAVE=$LIBS
+  CFLAGS="$CFLAGS $SNMP_CFLAGS"
+  LIBS="$LIBS $SNMP_LIBS"
+
+  AC_CHECK_DECL([usmHMAC192SHA256AuthProtocol],
+    [AC_DEFINE([HAVE_SNMP_SHA256], [1],
+      [Define to 1 if SNMP library has the 'usmHMAC192SHA256AuthProtocol'
+      array.])],
+    [],
+    [
+      #include <net-snmp/net-snmp-config.h>
+      #include <net-snmp/net-snmp-includes.h>
+    ])
+
+  AC_CHECK_DECL([usmHMAC384SHA512AuthProtocol],
+    [AC_DEFINE([HAVE_SNMP_SHA512], [1],
+      [Define to 1 if SNMP library has the 'usmHMAC384SHA512AuthProtocol'
+      array.])],
+    [],
+    [
+      #include <net-snmp/net-snmp-config.h>
+      #include <net-snmp/net-snmp-includes.h>
+    ])
+
+  CFLAGS=$CFLAGS_SAVE
+  LIBS=$LIBS_SAVE
+
+  PHP_NEW_EXTENSION([snmp], [snmp.c], [$ext_shared])
+  PHP_ADD_EXTENSION_DEP(snmp, spl)
+  PHP_SUBST([SNMP_SHARED_LIBADD])
+fi