fi
PKG_CHECK_MODULES(NSPR, [nspr],[
libdir=`$PKG_CONFIG --variable=libdir nspr`
],[AC_MSG_WARN([nspr not found, may not be needed])])
AC_SUBST(libdir)
AC_SUBST(GECKO_CFLAGS)
AC_SUBST(GECKO_LIBS)
AC_SUBST(GECKO_HOME)