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diff -up graphviz-2.30.1/configure.ac.orig graphviz-2.30.1/configure.ac
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--- graphviz-2.30.1/configure.ac.orig	2013-02-14 14:27:39.000000000 +0100
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+++ graphviz-2.30.1/configure.ac	2013-02-15 11:43:17.794608767 +0100
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@@ -710,7 +710,7 @@ else
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           GUILE_LIBS=
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 	  # don't die if PKG_CHECK_MODULES not available - el4, el5
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           PKG_CHECK_MODULES([GUILE],
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-		[guile >= "$GUILE_VERSION_MAJOR.$GUILE_VERSION_MINOR"],
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+		[guile-2.0 >= "$GUILE_VERSION_MAJOR.$GUILE_VERSION_MINOR"],
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 		GUILE_INCLUDES="$GUILE_CFLAGS",
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           	[
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 			PKG_CHECK_MODULES([GUILE],
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diff -up graphviz-2.30.1/configure.orig graphviz-2.30.1/configure
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--- graphviz-2.30.1/configure.orig	2013-02-15 11:44:09.552556536 +0100
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+++ graphviz-2.30.1/configure	2013-02-14 14:30:22.000000000 +0100
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@@ -21028,9 +21028,9 @@ else
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         _pkg_short_errors_supported=no
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 fi
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         if test $_pkg_short_errors_supported = yes; then
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-	        GUILE_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "guile >= "$GUILE_VERSION_MAJOR.$GUILE_VERSION_MINOR"" 2>&1`
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+	        GUILE_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "guile-2.0 >= "$GUILE_VERSION_MAJOR.$GUILE_VERSION_MINOR"" 2>&1`
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         else
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-	        GUILE_PKG_ERRORS=`$PKG_CONFIG --print-errors "guile >= "$GUILE_VERSION_MAJOR.$GUILE_VERSION_MINOR"" 2>&1`
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+	        GUILE_PKG_ERRORS=`$PKG_CONFIG --print-errors "guile-2.0 >= "$GUILE_VERSION_MAJOR.$GUILE_VERSION_MINOR"" 2>&1`
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         fi
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 	# Put the nasty error message in config.log where it belongs
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 	echo "$GUILE_PKG_ERRORS" >&5