bfd/bfd.m4

   1 dnl This file was derived from acinclude.m4.
   2
   3
   4 dnl See whether we need a declaration for a function.
   5
   6 AC_DEFUN([BFD_NEED_DECLARATION],
   7 [AC_MSG_CHECKING([whether $1 must be declared])
   8 AC_CACHE_VAL(bfd_cv_decl_needed_$1,
   9 [AC_TRY_COMPILE([
  10 #include <stdio.h>
  11 #ifdef HAVE_STRING_H
  12 #include <string.h>
  13 #else
  14 #ifdef HAVE_STRINGS_H
  15 #include <strings.h>
  16 #endif
  17 #endif
  18 #ifdef HAVE_STDLIB_H
  19 #include <stdlib.h>
  20 #endif
  21 #ifdef HAVE_UNISTD_H
  22 #include <unistd.h>
  23 #endif],
  24 [char *(*pfn) = (char *(*)) $1],
  25 bfd_cv_decl_needed_$1=no, bfd_cv_decl_needed_$1=yes)])
  26 AC_MSG_RESULT($bfd_cv_decl_needed_$1)
  27 if test $bfd_cv_decl_needed_$1 = yes; then
  28   AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1,
  29             [Define if $1 is not declared in system header files.])
  30 fi
  31 ])dnl
  32
  33
  34 dnl Check for existence of a type $1 in sys/procfs.h
  35
  36 AC_DEFUN([BFD_HAVE_SYS_PROCFS_TYPE],
  37 [AC_MSG_CHECKING([for $1 in sys/procfs.h])
  38  AC_CACHE_VAL(bfd_cv_have_sys_procfs_type_$1,
  39    [AC_TRY_COMPILE([
  40 #define _SYSCALL32
  41 #include <sys/procfs.h>],
  42       [$1 avar],
  43       bfd_cv_have_sys_procfs_type_$1=yes,
  44       bfd_cv_have_sys_procfs_type_$1=no
  45    )])
  46  if test $bfd_cv_have_sys_procfs_type_$1 = yes; then
  47    AC_DEFINE([HAVE_]translit($1, [a-z], [A-Z]), 1,
  48              [Define if <sys/procfs.h> has $1.])
  49  fi
  50  AC_MSG_RESULT($bfd_cv_have_sys_procfs_type_$1)
  51 ])
  52
  53
  54 dnl Check for existence of member $2 in type $1 in sys/procfs.h
  55
  56 AC_DEFUN([BFD_HAVE_SYS_PROCFS_TYPE_MEMBER],
  57 [AC_MSG_CHECKING([for $1.$2 in sys/procfs.h])
  58  AC_CACHE_VAL(bfd_cv_have_sys_procfs_type_member_$1_$2,
  59    [AC_TRY_COMPILE([
  60 #define _SYSCALL32
  61 #include <sys/procfs.h>],
  62       [$1 avar; void* aref = (void*) &avar.$2],
  63       bfd_cv_have_sys_procfs_type_member_$1_$2=yes,
  64       bfd_cv_have_sys_procfs_type_member_$1_$2=no
  65    )])
  66  if test $bfd_cv_have_sys_procfs_type_member_$1_$2 = yes; then
  67    AC_DEFINE([HAVE_]translit($1, [a-z], [A-Z])[_]translit($2, [a-z], [A-Z]), 1,
  68              [Define if <sys/procfs.h> has $1.$2.])
  69  fi
  70  AC_MSG_RESULT($bfd_cv_have_sys_procfs_type_member_$1_$2)
  71 ])
  72