diff -ruN gtk-sharp-2.5.91./configure.in gtk-sharp-2.5.91/configure.in
--- gtk-sharp-2.5.91./configure.in	2005-09-09 21:24:00.000000000 +0200
+++ gtk-sharp-2.5.91/configure.in	2005-09-09 21:26:55.681573250 +0200
@@ -87,6 +87,7 @@
 
 MONO_REQUIRED_VERSION=1.0
 PKG_CHECK_MODULES(MONO_DEPENDENCY, mono >= $MONO_REQUIRED_VERSION, has_mono=true, has_mono=false)
+PKG_CHECK_MODULES(MINT_DEPENDENCY, mint >= $MONO_REQUIRED_VERSION, has_mint=true, has_mint=false)
 
 AC_PATH_PROG(GACUTIL, gacutil, no)
 if test "x$GACUTIL" = "xno" ; then
@@ -112,18 +113,24 @@
 	enable_dotnet=no
 fi
 else
-AC_PATH_PROG(CSC, csc.exe, no)
-GACUTIL_FLAGS=
-GENERATED_SOURCES=generated\\\\*.cs
-enable_dotnet=yes
-
-if test x$CSC = "xno"; then
-	AC_MSG_ERROR([You need to install either mono or .Net])
-else
-RUNTIME=
-LIB_PREFIX=
-LIB_SUFFIX=.dylib
-fi
+	dnl use mint if mono is not found
+	if test "x$has_mint" = "xtrue"; then
+		GACUTIL_FLAGS='/package $(PACKAGE) /root $(DESTDIR)$(libdir)'
+		GENERATED_SOURCES=generated/*.cs
+		AC_PATH_PROG(RUNTIME, mint, no)
+		AC_PATH_PROG(CSC, mcs, no)
+		LIB_PREFIX=.so
+		LIB_SUFFIX=
+	else
+		AC_PATH_PROG(CSC, csc.exe, no)
+		if test x$CSC = "xno"; then
+			AC_MSG_ERROR([You need to install either mono or .Net])
+		else
+			RUNTIME=
+			LIB_PREFIX=
+			LIB_SUFFIX=.dylib
+		fi
+	fi
 fi
 
 CS="C#"