dnl AC_PROG_CC
AC_PROG_CXX
AC_CONFIG_HEADERS([config.h])
-AC_CHECK_HEADERS(stdarg.h stdio.h stdint.h sys/param.h)
+AC_CHECK_HEADERS(stdarg.h stdio.h stdint.h sys/param.h stdlib.h)
AC_REPLACE_FUNCS(vasprintf)
+AC_CHECK_FUNCS([ secure_getenv])
dnl Check if we're on Solaris and set CFLAGS accordingly
dnl AC_CANONICAL_TARGET