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-rw-r--r--configure.ac2
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index b7fc0e897a..69f57d161c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -524,7 +524,9 @@ AS_IF([test "$cross_compiling:$ac_cv_prog_DTRACE" = no: -a -n "$ac_tool_prefix"]
AC_CHECK_PROGS(DOT, dot)
AC_CHECK_PROGS(DOXYGEN, doxygen)
+tool_warned=$ac_tool_warned ac_tool_warned=no
AC_CHECK_TOOL(PKG_CONFIG, pkg-config)
+ac_tool_warned=$tool_warned
AS_IF([test -z "$PKG_CONFIG"], [],
["$PKG_CONFIG" --print-errors --version > /dev/null 2>&1], [],
[