AC_SUBST(LIBOPING_PATCH)
# ABI version
-LIBOPING_CURRENT=2
-LIBOPING_REVISION=11
-LIBOPING_AGE=2
+LIBOPING_CURRENT=3
+LIBOPING_REVISION=0
+LIBOPING_AGE=3
AC_SUBST(LIBOPING_CURRENT)
AC_SUBST(LIBOPING_REVISION)
AC_SUBST(LIBOPING_AGE)
LT_INIT([dlopen])
# pkg-config interface
-PKG_INSTALLDIR
+# PKG_INSTALLDIR is only available for pkg-config >= 0.27
+m4_ifdef([PKG_INSTALLDIR], [PKG_INSTALLDIR], [])
AC_ARG_WITH(pkgconfigdir,
AC_HELP_STRING([--with-pkgconfigdir], [Use the specified pkgconfig dir (default is libdir/pkgconfig)]),