Exit with zero status if is empty.

[tinc] / configure.in

diff --git a/configure.in b/configure.in
index f2cff29..6fdea34 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_INIT(src/tincd.c)
-AM_INIT_AUTOMAKE(tinc, 1.0)
+AM_INIT_AUTOMAKE(tinc, 1.0pre2)
 AM_CONFIG_HEADER(config.h)
 
 dnl Include the macros from the m4/ directory
@@ -50,6 +50,9 @@ libgmp=none
 AC_CHECK_LIB(gmp2, mpz_powm, [
   libgmp=gmp2
 ])
+AC_CHECK_LIB(gmp3, mpz_powm, [
+  libgmp=gmp3
+])
 AC_CHECK_LIB(gmp, mpz_powm, [
   libgmp=gmp
 ])
@@ -61,5 +64,9 @@ else
   LIBS="$LIBS -l$libgmp"
 fi
 
+AC_CHECK_LIB(dl, dlopen, [
+  LIBS="$LIBS -ldl"
+])
+
 AC_OUTPUT([Makefile src/Makefile cipher/Makefile cipher/blowfish/Makefile
-doc/Makefile lib/Makefile m4/Makefile redhat/Makefile])
+doc/Makefile lib/Makefile m4/Makefile redhat/Makefile debian/Makefile])