Fix make check failure on Debian Etch, MinGW and maybe others OS.

diff --git a/lib/libTrie/configure.in b/lib/libTrie/configure.in
index b879e622e58e762c876a32ab9630d67572e5f316..d7003a99ff4eaf15f0c463e2ed2e6882776dfc9d 100644 (file)
--- a/lib/libTrie/configure.in
+++ b/lib/libTrie/configure.in
@@ -50,6 +50,7 @@ fi
 # Checks for programs.
 AC_PROG_CXX
 AC_PROG_CC
+AC_LANG_CPLUSPLUS
 AC_PROG_MAKE_SET
 # for old automakes - like squid-cache.orgs!
 AM_INIT_AUTOMAKE(libTrie, 0.1)
@@ -74,6 +75,9 @@ AC_SUBST(TRIE_CXXFLAGS)
 # Checks for libraries.
 
 # Checks for header files.
+AC_CHECK_HEADERS( \
+       iostream \
+)
 
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST