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diff --git a/configure.ac b/configure.ac
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index f49bb6b..415b2aa 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -143,7 +143,7 @@ AC_ARG_ENABLE([speexdsp],
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       AS_HELP_STRING([--disable-speexdsp], [Disable building of speexdsp plugin]))
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 if test "x$enable_speexdsp" != "xno"; then
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-  PKG_CHECK_MODULES(speexdsp, [speexdsp >= 1.2rc2], [HAVE_SPEEXDSP="yes"], [HAVE_SPEEXDSP=""])
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+  PKG_CHECK_MODULES(speexdsp, [speexdsp >= 1.2], [HAVE_SPEEXDSP="yes"], [HAVE_SPEEXDSP=""])
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 fi
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 AM_CONDITIONAL(HAVE_SPEEXDSP, test "$HAVE_SPEEXDSP" = "yes")
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