binutils-gdb/bfd/bfd.m4

dnl This file was derived from acinclude.m4.
dnl
dnl   Copyright (C) 2012-2022 Free Software Foundation, Inc.
dnl
dnl This file is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 3 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; see the file COPYING3.  If not see
dnl <http://www.gnu.org/licenses/>.
dnl

dnl Check for sys/procfs.h, enforcing structured /proc on Solaris.

AC_DEFUN([BFD_SYS_PROCFS_H],
[AC_DEFINE(_STRUCTURED_PROC, 1, [Use structured /proc on Solaris.])
 AC_CHECK_HEADERS(sys/procfs.h)])

dnl Check for existence of a type $1 in sys/procfs.h

AC_DEFUN([BFD_HAVE_SYS_PROCFS_TYPE],
[AC_REQUIRE([BFD_SYS_PROCFS_H])
 AC_MSG_CHECKING([for $1 in sys/procfs.h])
 AC_CACHE_VAL(bfd_cv_have_sys_procfs_type_$1,
   [AC_TRY_COMPILE([
#define _SYSCALL32
#include <sys/procfs.h>],
      [$1 avar],
      bfd_cv_have_sys_procfs_type_$1=yes,
      bfd_cv_have_sys_procfs_type_$1=no
   )])
 if test $bfd_cv_have_sys_procfs_type_$1 = yes; then
   AC_DEFINE([HAVE_]translit($1, [a-z], [A-Z]), 1,
	     [Define if <sys/procfs.h> has $1.])
 fi
 AC_MSG_RESULT($bfd_cv_have_sys_procfs_type_$1)
])

dnl Check for existence of member $2 in type $1 in sys/procfs.h

AC_DEFUN([BFD_HAVE_SYS_PROCFS_TYPE_MEMBER],
[AC_REQUIRE([BFD_SYS_PROCFS_H])
 AC_MSG_CHECKING([for $1.$2 in sys/procfs.h])
 AC_CACHE_VAL(bfd_cv_have_sys_procfs_type_member_$1_$2,
   [AC_TRY_COMPILE([
#define _SYSCALL32
#include <sys/procfs.h>],
      [$1 avar; void* aref = (void*) &avar.$2],
      bfd_cv_have_sys_procfs_type_member_$1_$2=yes,
      bfd_cv_have_sys_procfs_type_member_$1_$2=no
   )])
 if test $bfd_cv_have_sys_procfs_type_member_$1_$2 = yes; then
   AC_DEFINE([HAVE_]translit($1, [a-z], [A-Z])[_]translit($2, [a-z], [A-Z]), 1,
	     [Define if <sys/procfs.h> has $1.$2.])
 fi
 AC_MSG_RESULT($bfd_cv_have_sys_procfs_type_member_$1_$2)
])