--- parser3/configure.ac	2026/09/27 13:14:56	1.76
+++ parser3/configure.ac	2026/10/22 16:08:24	1.90
@@ -59,6 +59,34 @@ AC_MSG_RESULT($dll_extension)
 AC_SUBST(dll_extension)
 
 
+dnl Checks for libraries
+case "$host" in
+  *-freebsd4*)
+	  AC_DEFINE(FREEBSD4,,FreeBSD4.X target platform)
+  ;;
+  *-freebsd1*)
+	  AC_DEFINE(FREEBSD1X,,FreeBSD1X.X target platform)
+  ;;
+  *-sunos5.6* | *-solaris2.6*)
+	  AC_CHECK_LIB(xnet, main)
+  ;;
+  *-sunos5* | *-solaris2*)
+	  AC_CHECK_LIB(socket, main)
+	  AC_CHECK_LIB(nsl, main)
+  ;;
+  *-nec-sysv4*)
+	  AC_CHECK_LIB(nsl, gethostbyname)
+	  AC_CHECK_LIB(socket, socket)
+  ;;
+  *-cygwin*)
+	  AC_DEFINE(WIN32,,Windows32 target platform)
+  ;;
+esac
+
+AC_CHECK_LIB(m, sin)
+AC_CHECK_LIB(crypt, crypt)
+
+
 dnl Misc arguments
 AC_ARG_WITH(build-warnings, [  --with-build-warnings   to enable build-time compiler warnings if gcc is used],
 	AC_MSG_WARN(enabling compiler warnings)
@@ -353,10 +381,13 @@ AC_ARG_WITH(amqp,[  --with-amqp=DIR
         AMQP_INCLUDES=""
         AMQP_LIBS="-lrabbitmq"
         AC_MSG_WARN([--with-amqp value was not specified, hoping linker would find it])
+
+        dnl SSL with the system librabbitmq only: it brings OpenSSL as its dependency
+        AC_CHECK_HEADER([amqp_ssl_socket.h],[AC_DEFINE([WITH_AMQP_SSL],,[librabbitmq with SSL support])])
     else
         AMQP_INCLUDES="-I$AMQP/include"
-        if test -f $AMQP/lib/librabbitmq.la; then
-            AMQP_LIBS="$AMQP/lib/librabbitmq.la"
+        if test -f $AMQP/lib/librabbitmq.a; then
+            AMQP_LIBS="$AMQP/lib/librabbitmq.a"
         else
             AMQP_LIBS="-L$AMQP/lib -lrabbitmq"
         fi
@@ -364,7 +395,7 @@ AC_ARG_WITH(amqp,[  --with-amqp=DIR
 
     AC_MSG_CHECKING(for librabbitmq)
     SAVE_LIBS=$LIBS
-    LIBS="$LIBS $AMQP_LIBS $AMQP_INCLUDES"
+    LIBS="$AMQP_LIBS $AMQP_INCLUDES $LIBS"
     PA_TRY_LINK([ #include <amqp.h> ],[ amqp_connection_state_t c = 0; ],
         AC_MSG_RESULT(yes)
     ,
@@ -382,6 +413,51 @@ AC_ARG_WITH(amqp,[  --with-amqp=DIR
 AC_SUBST(AMQP_INCLUDES)
 AC_SUBST(AMQP_LIBS)
 
+
+dnl Redis library argument
+AC_ARG_WITH(redis,[  --with-redis=DIR        DIR is the directory where
+                          Redis C library (hiredis) is installed],[
+    REDIS=$withval
+
+    if test -z "$REDIS" -o "$REDIS" = "yes"; then
+        REDIS_INCLUDES=""
+        REDIS_LIBS="-lhiredis"
+        AC_MSG_WARN([--with-redis value was not specified, hoping linker would find it])
+
+        dnl SSL with the system hiredis_ssl only: it brings OpenSSL as its dependency
+        AC_CHECK_HEADER([hiredis/hiredis_ssl.h],[
+            AC_DEFINE(WITH_REDIS_SSL,,hiredis with SSL support)
+            REDIS_LIBS="-lhiredis_ssl $REDIS_LIBS"
+        ],,[#include <hiredis/hiredis.h>])
+    else
+        REDIS_INCLUDES="-I$REDIS/include"
+        if test -f $REDIS/lib/libhiredis.a; then
+            REDIS_LIBS="$REDIS/lib/libhiredis.a"
+        else
+            REDIS_LIBS="-L$REDIS/lib -lhiredis"
+        fi
+    fi
+
+    AC_MSG_CHECKING(for hiredis)
+    SAVE_LIBS=$LIBS
+    LIBS="$REDIS_LIBS $REDIS_INCLUDES $LIBS"
+    PA_TRY_LINK([ #include <hiredis/hiredis.h> ],[ redisContext *c = redisConnect("", 0); ],
+        AC_MSG_RESULT(yes)
+    ,
+        AC_MSG_RESULT(no)
+        if test -z "$REDIS"; then
+            AC_MSG_ERROR(please specify path to hiredis: --with-redis=DIR)
+        else
+            AC_MSG_ERROR($REDIS does not seem to be valid hiredis installation directory)
+        fi
+    )
+    LIBS=$SAVE_LIBS
+    AC_DEFINE(WITH_REDIS,,has redis)
+])
+
+AC_SUBST(REDIS_INCLUDES)
+AC_SUBST(REDIS_LIBS)
+
 dnl Sendmail argument
 AC_ARG_WITH(sendmail,[  \"--with-sendmail=COMMAND\" forces this command to send mail.
                           example: \"--with-sendmail=/usr/sbin/sendmail -t\"
@@ -453,34 +529,6 @@ AC_CHECK_HEADERS(errno.h dirent.h fcntl.
 AC_CHECK_HEADERS(sys/socket.h netinet/in.h arpa/inet.h netdb.h)
 
 
-dnl Checks for libraries
-case "$host" in
-  *-freebsd4*)
-	  AC_DEFINE(FREEBSD4,,FreeBSD4.X target platform)
-  ;;
-  *-freebsd1*)
-	  AC_DEFINE(FREEBSD1X,,FreeBSD1X.X target platform)
-  ;;
-  *-sunos5.6* | *-solaris2.6*)
-	  AC_CHECK_LIB(xnet, main)
-  ;;
-  *-sunos5* | *-solaris2*)
-	  AC_CHECK_LIB(socket, main)
-	  AC_CHECK_LIB(nsl, main)
-  ;;
-  *-nec-sysv4*)
-	  AC_CHECK_LIB(nsl, gethostbyname)
-	  AC_CHECK_LIB(socket, socket)
-  ;;
-  *-cygwin*)
-	  AC_DEFINE(WIN32,,Windows32 target platform)
-  ;;
-esac
-
-AC_CHECK_LIB(m, sin)
-AC_CHECK_LIB(crypt, crypt)
-
-
 dnl Checks for functions
 AC_CHECK_FUNCS(flock fcntl lockf ftruncate fchmod)
 AC_CHECK_FUNCS(getrusage gettimeofday crypt sigsetjmp siglongjmp unsetenv syslog)