m4/ethtool.m4

   1 #
   2 # lldp_CHECK_HEADER_ETHTOOL
   3 #
   4 AC_DEFUN([lldp_CHECK_HEADER_ETHTOOL], [
   5         AC_CACHE_CHECK([for linux/ethtool.h], mac_cv_header_ethtool_h, [
   6                 AC_COMPILE_IFELSE([
   7                         AC_LANG_SOURCE([
   8 AC_INCLUDES_DEFAULT
   9 @%:@include <linux/ethtool.h>
  10                         ])
  11                 ], [mac_cv_header_ethtool_h=yes], [mac_cv_header_ethtool_h=no]
  12                 )
  13                 if test "$mac_cv_header_ethtool_h" = no; then
  14                         AC_COMPILE_IFELSE([
  15                                 AC_LANG_SOURCE([
  16 AC_INCLUDES_DEFAULT
  17 @%:@define u8  uint8_t
  18 @%:@define s8  int8_t
  19 @%:@define u16 uint16_t
  20 @%:@define s16 int16_t
  21 @%:@define u32 uint32_t
  22 @%:@define s32 int32_t
  23 @%:@define u64 uint64_t
  24 @%:@define s64 int64_t
  25 @%:@include <linux/ethtool.h>
  26                                 ])
  27                         ],
  28                         [mac_cv_header_ethtool_h="yes (with type munging)"],
  29                         [mac_cv_header_ethtool_h=no]
  30                         )
  31                 ])
  32         fi
  33         if test "$mac_cv_header_ethtool_h" = "yes (with type munging)"; then
  34                 AC_DEFINE(u8,  uint8_t,  [Define to the type u8 should expand to.])
  35                 AC_DEFINE(s8,  int8_t,   [Define to the type u8 should expand to.])
  36                 AC_DEFINE(u16, uint16_t, [Define to the type u16 should expand to.])
  37                 AC_DEFINE(s16, int16_t,  [Define to the type u16 should expand to.])
  38                 AC_DEFINE(u32, uint32_t, [Define to the type u32 should expand to.])
  39                 AC_DEFINE(s32, int32_t,  [Define to the type u32 should expand to.])
  40                 AC_DEFINE(u64, uint64_t, [Define to the type u64 should expand to.])
  41                 AC_DEFINE(s64, int64_t,  [Define to the type u64 should expand to.])
  42         fi
  43         if test "$mac_cv_header_ethtool_h" = no; then
  44                 :
  45         else
  46                 AC_DEFINE(HAVE_ETHTOOL_H, 1, [Define to 1 if you have the <linux/ethtool.h> header file.])
  47         fi
  48 ])