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-rw-r--r--configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index cd2af0a..06e9b0a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -35,6 +35,7 @@ AC_PROG_LN_S
AC_PROG_MAKE_SET
LT_INIT([win32-dll disable-static])
AM_PATH_PYTHON([3.2])
+PKG_PROG_PKG_CONFIG
dnl Find the math library
AC_SEARCH_LIBS([sqrt], [m], [], [AC_MSG_ERROR([sqrt() function not found])])