diff -r c7ae8642a8d8 -r 879e47e5b731 configure.ac
--- a/configure.ac	Wed May 02 20:33:58 2007 +0000
+++ b/configure.ac	Wed Jan 02 21:03:09 2008 +0000
@@ -26,33 +26,13 @@
 dnl Checks for libraries.
 PKG_CHECK_MODULES([GTK], [libgnomecanvasmm-2.6 >= 2.6.0 gtkmm-2.4 >= 2.6])
 
-AC_ARG_WITH([lemon-prefix],
-AS_HELP_STRING([--with-lemon-prefix@<:@=PREFIX@:>@], [search for LEMON under PREFIX]), [], [with_lemon_prefix=no])
-if test x"$with_lemon_prefix" != x"no"; then
-  export PKG_CONFIG_PATH="$with_lemon_prefix/lib/pkgconfig/:$PKG_CONFIG_PATH"
+AC_ARG_WITH([lemon],
+AS_HELP_STRING([--with-lemon@<:@=PREFIX@:>@], [search for LEMON under PREFIX]), [], [with_lemon=no])
+if test x"$with_lemon" != x"no"; then
+  export PKG_CONFIG_PATH="$with_lemon/lib/pkgconfig/:$PKG_CONFIG_PATH"
 fi
 
-PKG_CHECK_MODULES([LEMON_0_5], [lemon >= 0.5],
-  [lemon_0_5_found=yes], [
-    AC_MSG_RESULT([no])
-    lemon_0_5_found=no])
-PKG_CHECK_MODULES([LEMON_SVNHEAD], [lemon = svnhead],
-  [lemon_svn_head_found=yes], [
-    AC_MSG_RESULT([no])
-    lemon_svn_head_found=no])
-if test x"$lemon_0_5_found" = x"no" -a x"$lemon_svn_head_found" = x"no"; then
-  AC_MSG_ERROR([LEMON not found.])
-else
-  if test x"$lemon_svn_head_found" = x"yes"; then
-    LEMON_CFLAGS="$LEMON_SVNHEAD_CFLAGS"
-    LEMON_LIBS="$LEMON_SVNHEAD_LIBS"
-  else
-    LEMON_CFLAGS="$LEMON_0_5_CFLAGS"
-    LEMON_LIBS="$LEMON_0_5_LIBS"
-  fi
-  AC_SUBST(LEMON_CFLAGS)
-  AC_SUBST(LEMON_LIBS)
-fi
+PKG_CHECK_MODULES([LEMON], [lemon >= 0.6.90])
 
 dnl Checks for header files.
 AC_CHECK_HEADERS([libintl.h locale.h])