make sure to run PKG_PROG_PKG_CONFIG before the first PKG_* usage

diff --git a/configure.ac b/configure.ac
index e771c9c65277a23c0140cc668af1a9f587e4b213..0e4dd1940ea38cae663f71626f6c2991c51892e7 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -31,6 +31,9 @@ dnl Check for lua
 AC_MSG_CHECKING(if with lua)
 AC_ARG_WITH(lua, AS_HELP_STRING([--with-lua],[use Lua]), [WITH_LUA=$withval],[WITH_LUA=yes])
 
+# detect pkg-config explicitly
+PKG_PROG_PKG_CONFIG
+
 AC_MSG_RESULT($WITH_LUA)
 if test "$WITH_LUA" != "no"; then
  # try pkgconfig
@@ -71,10 +74,6 @@ if test x"$enable_unit_tests" = "xyes"; then
 fi
 #BOOST_SYSTEM([mt])
 
-# detect pkg-config explicitly
-PKG_PROG_PKG_CONFIG
-
-
 dnl Allow user to require SQLite3
 AC_MSG_CHECKING(whether user requires sqlite3)
 AC_ARG_WITH(sqlite3, AS_HELP_STRING([--with-sqlite3],[include sqlite3 driver]), [WITH_SQLITE3=$withval],[WITH_SQLITE3=no])