Add a missing substitution

Forwarded: https://github.com/fplll/fplll/issues/356

Gbp-Pq: Name libgmp_subst.patch

diff --git a/configure.ac b/configure.ac
index 33272176882e6ff2395036a71eeb512b2fb171c8..2b315e691eca12e8c5c8c21f052c862b6117d08c 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -84,6 +84,8 @@ AS_IF([test "x$enable_mpir" != "xyes"], [
        [GMP version >= 4.2.0 needed, see http://gmplib.org])])
 ])
 
+AC_SUBST(LIBGMP)
+
 AC_ARG_WITH(mpfr,
    AS_HELP_STRING([--with-mpfr=@<:@=DIR@:>@], [MPFR install directory]), [
       CPPFLAGS="$CPPFLAGS -I$withval/include"