added basic ssl support to ircu

[ircu2.10.12-pk.git] / configure.in

diff --git a/configure.in b/configure.in
index e893d33279e731b78c2bdc3c1dd08d0b6b464a81..d4205cfa3cf51734f64d3e7680d763c0a87094e2 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -132,14 +132,6 @@ else
   AC_MSG_ERROR([Cannot use $LEX as flex.])
 fi
 
-if test -z "$LEXLIB" ; then
-  AC_MSG_FAILURE([Cannot find a library with yywrap() in, but flex was found.
-  It's possible the compiler you're using ($CC) is incompatible with the
-  installed library.])
-fi
-
-LIBS="$LEXLIB $LIBS"
-
 dnl YACC - ditto
 AC_PROG_YACC
 dnl The autoconf docs say $YACC defaults to 'yacc'.  This seems to be true,
@@ -171,6 +163,7 @@ case "$host" in
        else
            unet_poll_syscall=no
        fi
+        AC_DEFINE([IRCU_SOLARIS], 1, [Define if building on Solaris])
        ;;
 
     *-sunos*)
@@ -233,6 +226,24 @@ else
 fi
 AC_SUBST(ENGINE_C)
 
+have_gnutls="no"
+AC_CHECK_LIB(gnutls, gnutls_init, [
+  AC_CHECK_HEADERS(gnutls/gnutls.h, [
+    LIBS="$LIBS -lgnutls"
+    have_gnutls="yes"
+  ])
+])
+if test x"$have_gnutls" = xno; then
+  if test x$is_win32 = xyes ; then
+    openssl_deps="-lcrypto -lgdi32"
+  else
+    openssl_deps="-lcrypto"
+  fi
+  AC_CHECK_LIB([ssl],[SSL_library_init], [
+    LIBS="$LIBS -lssl $openssl_deps"
+  ], [], $openssl_deps)
+fi
+
 dnl Now look for --enable-debug
 AC_MSG_CHECKING([whether to enable debug mode])
 AC_ARG_ENABLE([debug],
@@ -709,7 +720,12 @@ AC_ARG_WITH([maxcon],
 [unet_cv_with_maxcon=$unet_maxcon])])
 
 if test x"$unet_cv_with_maxcon" = xyes -o x"$unet_cv_with_maxcon" = xno; then
+    if test "$unet_maxcon" -lt 32; then
+      AC_MSG_ERROR([Maximum connections (number of open files minus 4) must be at least 32.])
+    fi
     unet_cv_with_maxcon=$unet_maxcon
+elif test "$unet_cv_with_maxcon" -lt 32; then
+    AC_MSG_ERROR([Maximum connections (--with-maxcon) must be at least 32.])
 fi
 
 AC_MSG_RESULT([$unet_cv_with_maxcon])
@@ -718,7 +734,7 @@ AC_DEFINE_UNQUOTED(MAXCONNECTIONS, $unet_cv_with_maxcon,
 [Maximum number of network connections])
 
 dnl Finally really generate all output files:
-AC_OUTPUT(Makefile ircd/Makefile ircd/test/Makefile doc/Makefile, [echo timestamp > stamp-h])
+AC_OUTPUT(Makefile ircd/Makefile ircd/test/Makefile, [echo timestamp > stamp-h])
 
 dnl Report configuration
 AC_OUTPUT_COMMANDS([echo "