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binutils-gdb/sim/m4/sim_ac_platform.m4
Andrew Burgess 1d506c26d9 Update copyright year range in header of all files managed by GDB 
This commit is the result of the following actions:

  - Running gdb/copyright.py to update all of the copyright headers to
    include 2024,

  - Manually updating a few files the copyright.py script told me to
    update, these files had copyright headers embedded within the
    file,

  - Regenerating gdbsupport/Makefile.in to refresh it's copyright
    date,

  - Using grep to find other files that still mentioned 2023.  If
    these files were updated last year from 2022 to 2023 then I've
    updated them this year to 2024.

I'm sure I've probably missed some dates.  Feel free to fix them up as
you spot them.
2024-01-12 15:49:57 +00:00

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dnl Copyright (C) 1997-2024 Free Software Foundation, Inc.
dnl
dnl This program 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. If not, see <http://www.gnu.org/licenses/>.
dnl
dnl Check for various platform settings.
AC_DEFUN([SIM_AC_PLATFORM],
[dnl
dnl Check for common headers.
dnl NB: You can assume C11 headers exist.
dnl NB: We use gnulib from ../gnulib/, so we don't probe headers it provides.
AC_CHECK_HEADERS_ONCE(m4_flatten([
dlfcn.h
fcntl.h
fpu_control.h
termios.h
utime.h
linux/if_tun.h
linux/mii.h
linux/types.h
net/if.h
netinet/in.h
netinet/tcp.h
sys/ioctl.h
sys/mman.h
sys/mount.h
sys/param.h
sys/resource.h
sys/socket.h
sys/statfs.h
sys/termio.h
sys/termios.h
sys/types.h
sys/vfs.h
]))
AC_HEADER_DIRENT
dnl NB: We use gnulib from ../gnulib/, so we don't probe functions it provides.
AC_CHECK_FUNCS_ONCE(m4_flatten([
__setfpucw
access
aint
anint
cfgetispeed
cfgetospeed
cfsetispeed
cfsetospeed
chdir
chmod
dup
dup2
execv
execve
fcntl
fork
fstat
fstatfs
ftruncate
getdirentries
getegid
geteuid
getgid
getpid
getppid
getrusage
gettimeofday
getuid
ioctl
kill
link
lseek
lstat
mkdir
mmap
munmap
pipe
posix_fallocate
pread
rmdir
setregid
setreuid
setgid
setuid
sigaction
sigprocmask
sqrt
stat
strsignal
symlink
tcdrain
tcflow
tcflush
tcgetattr
tcgetpgrp
tcsendbreak
tcsetattr
tcsetpgrp
time
truncate
umask
unlink
utime
]))
AC_STRUCT_ST_BLKSIZE
AC_STRUCT_ST_BLOCKS
AC_STRUCT_ST_RDEV
AC_STRUCT_TIMEZONE
AC_CHECK_MEMBERS([[struct stat.st_dev], [struct stat.st_ino],
[struct stat.st_mode], [struct stat.st_nlink], [struct stat.st_uid],
[struct stat.st_gid], [struct stat.st_rdev], [struct stat.st_size],
[struct stat.st_blksize], [struct stat.st_blocks], [struct stat.st_atime],
[struct stat.st_mtime], [struct stat.st_ctime]], [], [],
[[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/stat.h>]])
AC_CHECK_TYPES([__int128])
AC_CHECK_TYPES(socklen_t, [], [],
[#include <sys/types.h>
#include <sys/socket.h>
])
AC_CHECK_SIZEOF([void *])
dnl Check for struct statfs.
AC_CACHE_CHECK([for struct statfs],
[sim_cv_struct_statfs],
[AC_TRY_COMPILE([
#include <sys/types.h>
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
#ifdef HAVE_SYS_VFS_H
#include <sys/vfs.h>
#endif
#ifdef HAVE_SYS_STATFS_H
#include <sys/statfs.h>
#endif], [
struct statfs s;
], [sim_cv_struct_statfs="yes"], [sim_cv_struct_statfs="no"])])
AS_IF([test x"sim_cv_struct_statfs" = x"yes"], [dnl
AC_DEFINE(HAVE_STRUCT_STATFS, 1,
[Define if struct statfs is defined in <sys/mount.h>])
])
dnl Some System V related checks.
AC_CACHE_CHECK([if union semun defined],
[sim_cv_has_union_semun],
[AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/sem.h>], [
union semun arg;
], [sim_cv_has_union_semun="yes"], [sim_cv_has_union_semun="no"])])
AS_IF([test x"$sim_cv_has_union_semun" = x"yes"], [dnl
AC_DEFINE(HAVE_UNION_SEMUN, 1,
[Define if union semun is defined in <sys/sem.h>])
])
AC_CACHE_CHECK([whether System V semaphores are supported],
[sim_cv_sysv_sem],
[AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/sem.h>
#ifndef HAVE_UNION_SEMUN
union semun {
int val;
struct semid_ds *buf;
ushort *array;
};
#endif], [
union semun arg;
int id = semget(IPC_PRIVATE, 1, IPC_CREAT|0400);
if (id == -1)
return 1;
arg.val = 0; /* avoid implicit type cast to union */
if (semctl(id, 0, IPC_RMID, arg) == -1)
return 1;
], [sim_cv_sysv_sem="yes"], [sim_cv_sysv_sem="no"])])
AS_IF([test x"$sim_cv_sysv_sem" = x"yes"], [dnl
AC_DEFINE(HAVE_SYSV_SEM, 1, [Define if System V semaphores are supported])
])
AC_CACHE_CHECK([whether System V shared memory is supported],
[sim_cv_sysv_shm],
[AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/shm.h>], [
int id = shmget(IPC_PRIVATE, 1, IPC_CREAT|0400);
if (id == -1)
return 1;
if (shmctl(id, IPC_RMID, 0) == -1)
return 1;
], [sim_cv_sysv_shm="yes"], [sim_cv_sysv_shm="no"])])
AS_IF([test x"$sim_cv_sysv_shm" = x"yes"], [dnl
AC_DEFINE(HAVE_SYSV_SHM, 1, [Define if System V shared memory is supported])
])
dnl Figure out what type of termio/termios support there is
AC_CACHE_CHECK([for struct termios],
[sim_cv_termios_struct],
[AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/termios.h>], [
static struct termios x;
x.c_iflag = 0;
x.c_oflag = 0;
x.c_cflag = 0;
x.c_lflag = 0;
x.c_cc[NCCS] = 0;
], [sim_cv_termios_struct="yes"], [sim_cv_termios_struct="no"])])
if test $sim_cv_termios_struct = yes; then
AC_DEFINE([HAVE_TERMIOS_STRUCTURE], 1, [Define if struct termios exists.])
fi
if test "$sim_cv_termios_struct" = "yes"; then
AC_CACHE_VAL([sim_cv_termios_cline])
AC_CHECK_MEMBER(
[struct termios.c_line],
[sim_cv_termios_cline="yes"],
[sim_cv_termios_cline="no"], [
#include <sys/types.h>
#include <sys/termios.h>
])
if test $sim_cv_termios_cline = yes; then
AC_DEFINE([HAVE_TERMIOS_CLINE], 1, [Define if struct termios has c_line.])
fi
else
sim_cv_termios_cline=no
fi
if test "$sim_cv_termios_struct" != "yes"; then
AC_CACHE_CHECK([for struct termio],
[sim_cv_termio_struct],
[AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/termio.h>], [
static struct termio x;
x.c_iflag = 0;
x.c_oflag = 0;
x.c_cflag = 0;
x.c_lflag = 0;
x.c_cc[NCC] = 0;
], [sim_cv_termio_struct="yes"], [sim_cv_termio_struct="no"])])
if test $sim_cv_termio_struct = yes; then
AC_DEFINE([HAVE_TERMIO_STRUCTURE], 1, [Define if struct termio exists.])
fi
else
sim_cv_termio_struct=no
fi
if test "$sim_cv_termio_struct" = "yes"; then
AC_CACHE_VAL([sim_cv_termio_cline])
AC_CHECK_MEMBER(
[struct termio.c_line],
[sim_cv_termio_cline="yes"],
[sim_cv_termio_cline="no"], [
#include <sys/types.h>
#include <sys/termio.h>
])
if test $sim_cv_termio_cline = yes; then
AC_DEFINE([HAVE_TERMIO_CLINE], 1, [Define if struct termio has c_line.])
fi
else
sim_cv_termio_cline=no
fi
dnl Types used by common code
AC_TYPE_GETGROUPS
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIGNAL
AC_TYPE_SIZE_T
AC_TYPE_UID_T
LT_INIT
dnl Libraries.
AC_SEARCH_LIBS([bind], [socket])
AC_SEARCH_LIBS([gethostbyname], [nsl])
AC_SEARCH_LIBS([fabs], [m])
AC_SEARCH_LIBS([log2], [m])
AC_SEARCH_LIBS([dlopen], [dl])
if test "${ac_cv_search_dlopen}" = "none required" || test "${ac_cv_lib_dl_dlopen}" = "yes"; then
PKG_CHECK_MODULES(SDL, sdl2, [dnl
SDL_CFLAGS="${SDL_CFLAGS} -DHAVE_SDL=2"
], [
PKG_CHECK_MODULES(SDL, sdl, [dnl
SDL_CFLAGS="${SDL_CFLAGS} -DHAVE_SDL=1"
], [:])
])
dnl If we use SDL, we need dlopen support.
AS_IF([test -n "$SDL_CFLAGS"], [dnl
AS_IF([test "$ac_cv_search_dlopen" = no], [dnl
AC_MSG_WARN([SDL support requires dlopen support])
])
])
else
SDL_CFLAGS=
fi
dnl We dlopen the libs at runtime, so never pass down SDL_LIBS.
SDL_LIBS=
AC_SUBST(SDL_CFLAGS)
dnl In the Cygwin environment, we need some additional flags.
AC_CACHE_CHECK([for cygwin], sim_cv_os_cygwin,
[AC_EGREP_CPP(lose, [
#ifdef __CYGWIN__
lose
#endif],[sim_cv_os_cygwin=yes],[sim_cv_os_cygwin=no])])
dnl Keep in sync with gdb's configure.ac list.
AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses],
[TERMCAP_LIB=$ac_cv_search_tgetent], [TERMCAP_LIB=""])
if test x$sim_cv_os_cygwin = xyes; then
TERMCAP_LIB="${TERMCAP_LIB} -luser32"
fi
AC_SUBST(TERMCAP_LIB)
dnl We prefer the in-tree readline. Top-level dependencies make sure
dnl src/readline (if it's there) is configured before src/sim.
if test -r ../readline/Makefile; then
READLINE_LIB=../readline/readline/libreadline.a
READLINE_CFLAGS='-I$(READLINE_SRC)/..'
else
AC_CHECK_LIB(readline, readline, READLINE_LIB=-lreadline,
AC_ERROR([the required "readline" library is missing]), $TERMCAP_LIB)
READLINE_CFLAGS=
fi
AC_SUBST(READLINE_LIB)
AC_SUBST(READLINE_CFLAGS)
dnl Determine whether we have a known getopt prototype in unistd.h
dnl to make sure that we have correct getopt declaration on
dnl include/getopt.h. The purpose of this is to sync with other Binutils
dnl components and this logic is copied from ld/configure.ac.
AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
AC_CACHE_VAL(sim_cv_decl_getopt_unistd_h,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
sim_cv_decl_getopt_unistd_h=yes, sim_cv_decl_getopt_unistd_h=no)])
AC_MSG_RESULT($sim_cv_decl_getopt_unistd_h)
if test $sim_cv_decl_getopt_unistd_h = yes; then
AC_DEFINE([HAVE_DECL_GETOPT], 1,
[Is the prototype for getopt in <unistd.h> in the expected format?])
fi
])
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