AC_DEFUN([PANDORA_CXX_STL_HASH],
[AC_MSG_CHECKING(the location of hash_map)
+ save_CXXFLAGS="${CXXFLAGS}"
+ CXXFLAGS="${AM_CXXFLAGS} ${CXXFLAGS}"
AC_LANG_PUSH(C++)
ac_cv_cxx_hash_map=""
for location in "" "ext/" "tr1/" ; do
AS_IF([test $ac_cv_redefine_hash_string = yes],[
AC_DEFINE(REDEFINE_HASH_STRING, 1, [if hash<string> needs to be defined])
])
+ CXXFLAGS="${save_CXXFLAGS}"
AC_LANG_POP()
])