mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2025-03-07 13:39:43 +08:00
f050cfdd82
This probably should have been ported long ago, but better late than never. We keep support for both versions for now since both projects tend to have long lifetimes. Maybe consider dropping SDL1 in another ten years.
212 lines
4.5 KiB
Plaintext
212 lines
4.5 KiB
Plaintext
dnl Copyright (C) 1997-2021 Free Software Foundation, Inc.
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dnl
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dnl This program is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 3 of the License, or
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dnl (at your option) any later version.
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dnl
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dnl This program is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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dnl GNU General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU General Public License
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dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
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dnl
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dnl Check for various platform settings.
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AC_DEFUN([SIM_AC_PLATFORM],
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[dnl
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dnl Check for common headers.
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dnl NB: You can assume C11 headers exist.
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AC_CHECK_HEADERS_ONCE(m4_flatten([
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dlfcn.h
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fcntl.h
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fpu_control.h
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termios.h
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unistd.h
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utime.h
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linux/if_tun.h
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linux/mii.h
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linux/types.h
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net/if.h
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netinet/in.h
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netinet/tcp.h
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sys/ioctl.h
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sys/mman.h
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sys/mount.h
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sys/param.h
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sys/resource.h
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sys/socket.h
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sys/stat.h
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sys/statfs.h
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sys/termio.h
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sys/termios.h
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sys/types.h
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sys/vfs.h
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]))
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AC_HEADER_DIRENT
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AC_CHECK_FUNCS_ONCE(m4_flatten([
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__setfpucw
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access
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aint
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anint
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cfgetispeed
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cfgetospeed
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cfsetispeed
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cfsetospeed
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chdir
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chmod
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dup
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dup2
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execv
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execve
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fcntl
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fork
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fstat
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fstatfs
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ftruncate
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getdirentries
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getegid
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geteuid
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getgid
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getpid
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getppid
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getrusage
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gettimeofday
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getuid
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ioctl
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kill
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link
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lseek
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mmap
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munmap
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pipe
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posix_fallocate
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pread
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rmdir
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setregid
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setreuid
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setgid
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setuid
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sigaction
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sigprocmask
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sqrt
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stat
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strsignal
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symlink
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tcdrain
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tcflow
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tcflush
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tcgetattr
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tcgetpgrp
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tcsendbreak
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tcsetattr
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tcsetpgrp
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time
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truncate
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umask
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unlink
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utime
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]))
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AC_STRUCT_ST_BLKSIZE
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AC_STRUCT_ST_BLOCKS
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AC_STRUCT_ST_RDEV
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AC_STRUCT_TIMEZONE
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AC_CHECK_MEMBERS([[struct stat.st_dev], [struct stat.st_ino],
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[struct stat.st_mode], [struct stat.st_nlink], [struct stat.st_uid],
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[struct stat.st_gid], [struct stat.st_rdev], [struct stat.st_size],
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[struct stat.st_blksize], [struct stat.st_blocks], [struct stat.st_atime],
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[struct stat.st_mtime], [struct stat.st_ctime]], [], [],
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[[#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif]])
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AC_CHECK_TYPES([__int128])
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AC_CHECK_TYPES(socklen_t, [], [],
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[#include <sys/types.h>
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#include <sys/socket.h>
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])
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dnl Types used by common code
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AC_TYPE_GETGROUPS
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AC_TYPE_MODE_T
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AC_TYPE_OFF_T
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AC_TYPE_PID_T
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AC_TYPE_SIGNAL
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AC_TYPE_SIZE_T
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AC_TYPE_UID_T
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dnl We don't use gettext, but bfd does. So we do the appropriate checks
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dnl to see if there are intl libraries we should link against.
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ALL_LINGUAS=
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ZW_GNU_GETTEXT_SISTER_DIR
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dnl BFD conditionally uses zlib, so we must link it in if libbfd does, by
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dnl using the same condition.
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AM_ZLIB
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dnl BFD uses libdl when when plugins enabled.
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AC_PLUGINS
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AM_CONDITIONAL(PLUGINS, test "$plugins" = yes)
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LT_INIT([dlopen])
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AC_SUBST(lt_cv_dlopen_libs)
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dnl Libraries.
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AC_CHECK_LIB(socket, bind)
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AC_CHECK_LIB(nsl, gethostbyname)
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AC_CHECK_LIB(m, fabs)
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AC_CHECK_LIB(m, log2)
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AC_CHECK_LIB(dl, dlopen)
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if test "${ac_cv_lib_dl_dlopen}" = "yes"; then
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PKG_CHECK_MODULES(SDL, sdl2, [dnl
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SDL_CFLAGS="${SDL_CFLAGS} -DHAVE_SDL=2"
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SDL_LIBS="-ldl"
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], [
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PKG_CHECK_MODULES(SDL, sdl, [dnl
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SDL_CFLAGS="${SDL_CFLAGS} -DHAVE_SDL=1"
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SDL_LIBS="-ldl"
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], [:])
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])
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else
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SDL_CFLAGS=
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SDL_LIBS=
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fi
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AC_SUBST(SDL_CFLAGS)
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AC_SUBST(SDL_LIBS)
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dnl In the Cygwin environment, we need some additional flags.
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AC_CACHE_CHECK([for cygwin], sim_cv_os_cygwin,
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[AC_EGREP_CPP(lose, [
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#ifdef __CYGWIN__
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lose
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#endif],[sim_cv_os_cygwin=yes],[sim_cv_os_cygwin=no])])
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dnl Keep in sync with gdb's configure.ac list.
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AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses],
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[TERMCAP_LIB=$ac_cv_search_tgetent], [TERMCAP_LIB=""])
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if test x$sim_cv_os_cygwin = xyes; then
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TERMCAP_LIB="${TERMCAP_LIB} -luser32"
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fi
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AC_SUBST(TERMCAP_LIB)
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dnl We prefer the in-tree readline. Top-level dependencies make sure
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dnl src/readline (if it's there) is configured before src/sim.
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if test -r ../readline/Makefile; then
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READLINE_LIB=../../readline/readline/libreadline.a
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READLINE_CFLAGS='-I$(READLINE_SRC)/..'
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else
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AC_CHECK_LIB(readline, readline, READLINE_LIB=-lreadline,
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AC_ERROR([the required "readline" library is missing]), $TERMCAP_LIB)
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READLINE_CFLAGS=
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fi
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AC_SUBST(READLINE_LIB)
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AC_SUBST(READLINE_CFLAGS)
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])
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