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diff --git a/configure.ac b/configure.ac
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index c1bfd62..7c5ad51 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -5333,6 +5333,8 @@ AC_SUBST(BUILD_CPPFLAGS)
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 AC_SUBST(BUILD_LDFLAGS)
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 AC_SUBST(BUILD_LIBS)
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+AC_SUBST(LIBDIR_SUFFIX)
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+
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 #
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 # Commands to run at the end of config.status.
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 # Don't just put these into configure, it won't work right if somebody
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diff --git a/isc-config.sh.in b/isc-config.sh.in
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index b5e94ed..d2857e0 100644
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--- a/isc-config.sh.in
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+++ b/isc-config.sh.in
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@@ -13,16 +13,17 @@ prefix=@prefix@
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 exec_prefix=@exec_prefix@
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 exec_prefix_set=
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 includedir=@includedir@
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+libdir_suffix=@LIBDIR_SUFFIX@
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 arch=$(uname -m)
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 case $arch in
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 	x86_64 | amd64 | sparc64 | s390x | ppc64)
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-		libdir=/usr/lib64
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-		sec_libdir=/usr/lib
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+		libdir=/usr/lib64${libdir_suffix}
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+		sec_libdir=/usr/lib${libdir_suffix}
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 		;;
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 	* )
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-		libdir=/usr/lib
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-		sec_libdir=/usr/lib64
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+		libdir=/usr/lib${libdir_suffix}
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+		sec_libdir=/usr/lib64${libdir_suffix}
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 		;;
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 esac
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