diff options
Diffstat (limited to 'gl/m4/netinet_in_h.m4')
| -rw-r--r-- | gl/m4/netinet_in_h.m4 | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/gl/m4/netinet_in_h.m4 b/gl/m4/netinet_in_h.m4 index d73531a0..096be740 100644 --- a/gl/m4/netinet_in_h.m4 +++ b/gl/m4/netinet_in_h.m4 @@ -1,18 +1,30 @@ -# netinet_in_h.m4 serial 1 -dnl Copyright (C) 2006 Free Software Foundation, Inc. +# netinet_in_h.m4 serial 3 +dnl Copyright (C) 2006-2007 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. -dnl Written by Simon Josefsson - AC_DEFUN([gl_HEADER_NETINET_IN], [ - AC_CHECK_HEADERS_ONCE([netinet/in.h]) - if test $ac_cv_header_netinet_in_h = yes; then + AC_CACHE_CHECK([whether <netinet/in.h> is self-contained], + [gl_cv_header_netinet_in_h_selfcontained], + [ + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <netinet/in.h>], [])], + [gl_cv_header_netinet_in_h_selfcontained=yes], + [gl_cv_header_netinet_in_h_selfcontained=no]) + ]) + if test $gl_cv_header_netinet_in_h_selfcontained = yes; then NETINET_IN_H='' else NETINET_IN_H='netinet/in.h' + AC_CHECK_HEADERS([netinet/in.h]) + gl_CHECK_NEXT_HEADERS([netinet/in.h]) + if test $ac_cv_header_netinet_in_h = yes; then + HAVE_NETINET_IN_H=1 + else + HAVE_NETINET_IN_H=0 + fi + AC_SUBST([HAVE_NETINET_IN_H]) fi - AC_SUBST(NETINET_IN_H) + AC_SUBST([NETINET_IN_H]) ]) |