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dnl MC_UNDELFS_CHECKS
dnl Check for ext2fs undel support.
dnl Set shell variable ext2fs_undel to "yes" if we have it,
dnl "no" otherwise. May define USE_EXT2FSLIB for cpp.
dnl Will set EXT2FS_UNDEL_LIBS to required libraries.
AC_DEFUN([MC_UNDELFS_CHECKS], [
ext2fs_undel=no
EXT2FS_UNDEL_LIBS=
AC_CHECK_HEADERS(linux/ext2_fs.h)
if test x$ac_cv_header_linux_ext2_fs_h = xyes
then
AC_CHECK_HEADERS(ext2fs/ext2fs.h, , , [#include <stdio.h>
#include <linux/ext2_fs.h>])
if test x$ac_cv_header_ext2fs_ext2fs_h = xyes
then
AC_DEFINE(USE_EXT2FSLIB, 1,
[Define to enable undelete support on ext2])
ext2fs_undel=yes
EXT2FS_UNDEL_LIBS="-lext2fs -lcom_err"
AC_CHECK_TYPE(ext2_ino_t, ,
[AC_DEFINE(ext2_ino_t, ino_t,
[Define to ino_t if undefined.])],
[#include <errno.h>
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
/* asm/types.h defines its own umode_t :-( */
#undef umode_t
#include <linux/ext2_fs.h>
#include <ext2fs/ext2fs.h>])
fi
fi
])
dnl MC_EXTFS_CHECKS
dnl Check for tools used in extfs scripts.
AC_DEFUN([MC_EXTFS_CHECKS], [
AC_PATH_PROG([ZIP], [zip], [/usr/bin/zip])
AC_PATH_PROG([UNZIP], [unzip], [/usr/bin/unzip])
AC_CACHE_CHECK([for zipinfo code in unzip], [mc_cv_have_zipinfo],
[mc_cv_have_zipinfo=no
if $UNZIP -Z </dev/null >/dev/null 2>&1; then
mc_cv_have_zipinfo=yes
fi])
if test "x$mc_cv_have_zipinfo" = xyes; then
HAVE_ZIPINFO=1
else
HAVE_ZIPINFO=0
fi
AC_SUBST([HAVE_ZIPINFO])
AC_PATH_PROG([PERL], [perl], [/usr/bin/perl])
])
dnl MC_MCSERVER_CHECKS
dnl Check how mcserver should check passwords.
dnl Possible methods are PAM, pwdauth and crypt.
dnl The later works with both /etc/shadow and /etc/passwd.
dnl If PAM is found, other methods are not checked.
AC_DEFUN([MC_MCSERVER_CHECKS], [
dnl Check if PAM can be used for mcserv
AC_CHECK_LIB(dl, dlopen, [LIB_DL="-ldl"])
AC_CHECK_LIB(pam, pam_start, [
AC_DEFINE(HAVE_PAM, 1,
[Define if PAM (Pluggable Authentication Modules) is available])
MCSERVLIBS="-lpam $LIB_DL"
mcserv_pam=yes], [], [$LIB_DL])
dnl Check for crypt() - needed for both /etc/shadow and /etc/passwd.
if test -z "$mcserv_pam"; then
dnl Check for pwdauth() - used on SunOS.
AC_CHECK_FUNCS([pwdauth])
dnl Check for crypt()
AC_CHECK_HEADERS([crypt.h], [crypt_header=yes])
if test -n "$crypt_header"; then
save_LIBS="$LIBS"
LIBS=
AC_SEARCH_LIBS(crypt, [crypt crypt_i], [mcserv_auth=crypt])
MCSERVLIBS="$LIBS"
LIBS="$save_LIBS"
if test -n "$mcserv_auth"; then
AC_DEFINE(HAVE_CRYPT, 1,
[Define to use crypt function in mcserv])
dnl Check for shadow passwords
AC_CHECK_HEADERS([shadow.h shadow/shadow.h],
[shadow_header=yes; break])
if test -n "$shadow_header"; then
save_LIBS="$LIBS"
LIBS="$MCSERVLIBS"
AC_SEARCH_LIBS(getspnam, [shadow], [mcserv_auth=shadow])
MCSERVLIBS="$LIBS"
LIBS="$save_LIBS"
if test -n "$mcserv_auth"; then
AC_DEFINE(HAVE_SHADOW, 1,
[Define to use shadow passwords for mcserv])
fi
fi
fi
fi
fi
AC_SUBST(MCSERVLIBS)
])
dnl MC_VFS_CHECKS
dnl Check for various functions needed by libvfs.
dnl This has various effects:
dnl Sets MC_VFS_LIBS to libraries required
dnl Sets vfs_flags to "pretty" list of vfs implementations we include.
dnl Sets shell variable use_vfs to yes (default, --with-vfs) or
dnl "no" (--without-vfs).
dnl Private define
AC_DEFUN([MC_WITH_VFS],[
MC_EXTFS_CHECKS
dnl FIXME: network checks should probably be in their own macro.
AC_CHECK_LIB(nsl, t_accept)
AC_CHECK_LIB(socket, socket)
have_socket=no
AC_CHECK_FUNCS(socket, have_socket=yes)
if test $have_socket = no; then
# socket is not in the default libraries. See if it's in some other.
for lib in bsd socket inet; do
AC_CHECK_LIB([$lib], [socket], [
LIBS="$LIBS -l$lib"
have_socket=yes
AC_DEFINE(HAVE_SOCKET)
break])
done
fi
have_gethostbyname=no
AC_CHECK_FUNC(gethostbyname, have_gethostbyname=yes)
if test $have_gethostbyname = no; then
# gethostbyname is not in the default libraries. See if it's in some other.
for lib in bsd socket inet; do
AC_CHECK_LIB([$lib], [gethostbyname],
[LIBS="$LIBS -l$lib"; have_gethostbyname=yes; break])
done
fi
vfs_flags="cpiofs, extfs, tarfs"
use_net_code=false
if test $have_socket = yes; then
AC_STRUCT_LINGER
AC_CHECK_FUNCS(pmap_set, , [
AC_CHECK_LIB(rpc, pmap_set, [
LIBS="-lrpc $LIBS"
AC_DEFINE(HAVE_PMAP_SET)
])])
AC_CHECK_FUNCS(pmap_getport pmap_getmaps rresvport)
dnl add for source routing support setsockopt
AC_CHECK_HEADERS(rpc/pmap_clnt.h, , , [
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <rpc/rpc.h>
#include <rpc/pmap_prot.h>
])
dnl
dnl mcfs support
dnl
AC_ARG_WITH(mcfs,
[ --with-mcfs Support mc-specific networking file system [[no]]],
[if test "x$withval" != "xno"; then
AC_DEFINE(WITH_MCFS, 1, [Define to enable mc-specific networking file system])
vfs_flags="$vfs_flags, mcfs"
use_mcfs=yes
MC_MCSERVER_CHECKS
fi]
)
vfs_flags="$vfs_flags, ftpfs, fish"
use_net_code=true
fi
dnl
dnl Samba support
dnl
use_smbfs=
AC_ARG_WITH(samba,
[ --with-samba Support smb virtual file system [[no]]],
[if test "x$withval" != "xno"; then
AC_DEFINE(WITH_SMBFS, 1, [Define to enable VFS over SMB])
vfs_flags="$vfs_flags, smbfs"
use_smbfs=yes
fi
])
if test -n "$use_smbfs"; then
#################################################
# set Samba configuration directory location
configdir="/etc"
AC_ARG_WITH(configdir,
[ --with-configdir=DIR Where the Samba configuration files are [[/etc]]],
[ case "$withval" in
yes|no)
#
# Just in case anybody does it
#
AC_MSG_WARN([--with-configdir called without argument - will use default])
;;
* )
configdir="$withval"
;;
esac]
)
AC_SUBST(configdir)
AC_ARG_WITH(codepagedir,
[ --with-codepagedir=DIR Where the Samba codepage files are],
[ case "$withval" in
yes|no)
#
# Just in case anybody does it
#
AC_MSG_WARN([--with-codepagedir called without argument - will use default])
;;
esac]
)
fi
AC_DEFINE(USE_VFS, 1, [Define to enable VFS support])
if $use_net_code; then
AC_DEFINE(USE_NETCODE, 1, [Define to use networked VFS])
fi
])
AC_DEFUN([MC_VFS_CHECKS],[
use_vfs=yes
AC_ARG_WITH(vfs,
[ --with-vfs Compile with the VFS code [[yes]]],
use_vfs=$withval
)
case $use_vfs in
yes) MC_WITH_VFS;;
no) use_vfs=no;;
*) use_vfs=no;;
dnl Should we issue a warning?
esac
])
dnl
dnl Check for struct linger
dnl
AC_DEFUN([AC_STRUCT_LINGER], [
av_struct_linger=no
AC_MSG_CHECKING([struct linger is available])
AC_TRY_RUN([
#include <sys/types.h>
#include <sys/socket.h>
struct linger li;
int main ()
{
li.l_onoff = 1;
li.l_linger = 120;
return 0;
}
],[
AC_DEFINE(HAVE_STRUCT_LINGER, 1,
[Define if `struct linger' is available])
av_struct_linger=yes
],[
av_struct_linger=no
],[
av_struct_linger=no
])
AC_MSG_RESULT([$av_struct_linger])
])
dnl
dnl Filesystem information detection
dnl
dnl To get information about the disk, mount points, etc.
dnl
AC_DEFUN([AC_GET_FS_INFO], [
AC_CHECK_HEADERS(fcntl.h sys/dustat.h sys/param.h sys/statfs.h sys/fstyp.h)
AC_CHECK_HEADERS(mnttab.h mntent.h utime.h sys/statvfs.h sys/vfs.h)
AC_CHECK_HEADERS(sys/filsys.h sys/fs_types.h)
AC_CHECK_HEADERS(sys/mount.h, , , [
#include <sys/param.h>
#include <sys/stat.h>
])
AC_CHECK_FUNCS(getmntinfo)
dnl This configure.in code has been stolen from GNU fileutils-3.12. Its
dnl job is to detect a method to get list of mounted filesystems.
AC_MSG_CHECKING([for d_ino member in directory struct])
AC_CACHE_VAL(fu_cv_sys_d_ino_in_dirent,
[AC_TRY_LINK([
#include <sys/types.h>
#ifdef HAVE_DIRENT_H
# include <dirent.h>
#else /* not HAVE_DIRENT_H */
# define dirent direct
# ifdef HAVE_SYS_NDIR_H
# include <sys/ndir.h>
# endif /* HAVE_SYS_NDIR_H */
# ifdef HAVE_SYS_DIR_H
# include <sys/dir.h>
# endif /* HAVE_SYS_DIR_H */
# ifdef HAVE_NDIR_H
# include <ndir.h>
# endif /* HAVE_NDIR_H */
#endif /* HAVE_DIRENT_H */
],
[struct dirent dp; dp.d_ino = 0;],
fu_cv_sys_d_ino_in_dirent=yes,
fu_cv_sys_d_ino_in_dirent=no)])
AC_MSG_RESULT([$fu_cv_sys_d_ino_in_dirent])
if test $fu_cv_sys_d_ino_in_dirent = yes; then
AC_DEFINE(D_INO_IN_DIRENT, 1,
[Define if `d_ino' is member of `struct directory'])
fi
# Determine how to get the list of mounted filesystems.
list_mounted_fs=
# If the getmntent function is available but not in the standard library,
# make sure LIBS contains -lsun (on Irix4) or -lseq (on PTX).
AC_FUNC_GETMNTENT
if test $ac_cv_func_getmntent = yes; then
# This system has the getmntent function.
# Determine whether it's the one-argument variant or the two-argument one.
if test -z "$list_mounted_fs"; then
# SVR4
AC_MSG_CHECKING([for two-argument getmntent function])
AC_CACHE_VAL(fu_cv_sys_mounted_getmntent2,
[AC_EGREP_HEADER(getmntent, sys/mnttab.h,
fu_cv_sys_mounted_getmntent2=yes,
fu_cv_sys_mounted_getmntent2=no)])
AC_MSG_RESULT([$fu_cv_sys_mounted_getmntent2])
if test $fu_cv_sys_mounted_getmntent2 = yes; then
list_mounted_fs=found
AC_DEFINE(MOUNTED_GETMNTENT2, 1,
[Define if function `getmntent' takes 2 arguments])
fi
fi
if test -z "$list_mounted_fs"; then
# 4.3BSD, SunOS, HP-UX, Dynix, Irix
AC_MSG_CHECKING([for one-argument getmntent function])
AC_CACHE_VAL(fu_cv_sys_mounted_getmntent1,
[test $ac_cv_header_mntent_h = yes \
&& fu_cv_sys_mounted_getmntent1=yes \
|| fu_cv_sys_mounted_getmntent1=no])
AC_MSG_RESULT([$fu_cv_sys_mounted_getmntent1])
if test $fu_cv_sys_mounted_getmntent1 = yes; then
list_mounted_fs=found
AC_DEFINE(MOUNTED_GETMNTENT1, 1,
[Define if function `getmntent' takes 1 argument])
fi
fi
fi
if test -z "$list_mounted_fs"; then
# DEC Alpha running OSF/1.
AC_MSG_CHECKING([for getfsstat function])
AC_CACHE_VAL(fu_cv_sys_mounted_getsstat,
[AC_TRY_LINK([
#include <sys/types.h>
#include <sys/mount.h>
#include <sys/fs_types.h>],
[struct statfs *stats;
numsys = getfsstat ((struct statfs *)0, 0L, MNT_WAIT); ],
fu_cv_sys_mounted_getsstat=yes,
fu_cv_sys_mounted_getsstat=no)])
AC_MSG_RESULT([$fu_cv_sys_mounted_getsstat])
if test $fu_cv_sys_mounted_getsstat = yes; then
list_mounted_fs=found
AC_DEFINE(MOUNTED_GETFSSTAT, 1,
[Define if function `getfsstat' can be used])
fi
fi
if test -z "$list_mounted_fs"; then
# AIX.
AC_MSG_CHECKING([for mntctl function and struct vmount])
AC_CACHE_VAL(fu_cv_sys_mounted_vmount,
[AC_TRY_CPP([#include <fshelp.h>],
fu_cv_sys_mounted_vmount=yes,
fu_cv_sys_mounted_vmount=no)])
AC_MSG_RESULT([$fu_cv_sys_mounted_vmount])
if test $fu_cv_sys_mounted_vmount = yes; then
list_mounted_fs=found
AC_DEFINE(MOUNTED_VMOUNT, 1,
[Define if function `mntctl' and `struct vmount' can be used])
fi
fi
if test -z "$list_mounted_fs"; then
# SVR3
AC_MSG_CHECKING([for existence of three headers])
AC_CACHE_VAL(fu_cv_sys_mounted_fread_fstyp,
[AC_TRY_CPP([
#include <sys/statfs.h>
#include <sys/fstyp.h>
#include <mnttab.h>],
fu_cv_sys_mounted_fread_fstyp=yes,
fu_cv_sys_mounted_fread_fstyp=no)])
AC_MSG_RESULT([$fu_cv_sys_mounted_fread_fstyp])
if test $fu_cv_sys_mounted_fread_fstyp = yes; then
list_mounted_fs=found
AC_DEFINE(MOUNTED_FREAD_FSTYP, 1,
[Define if sys/statfs.h, sys/fstyp.h and mnttab.h
can be used together])
fi
fi
if test -z "$list_mounted_fs"; then
# 4.4BSD and DEC OSF/1.
AC_MSG_CHECKING([for getmntinfo function])
AC_CACHE_VAL(fu_cv_sys_mounted_getmntinfo,
[
ok=
if test $ac_cv_func_getmntinfo = yes; then
AC_EGREP_HEADER(f_type;, sys/mount.h,
ok=yes)
fi
test -n "$ok" \
&& fu_cv_sys_mounted_getmntinfo=yes \
|| fu_cv_sys_mounted_getmntinfo=no
])
AC_MSG_RESULT([$fu_cv_sys_mounted_getmntinfo])
if test $fu_cv_sys_mounted_getmntinfo = yes; then
list_mounted_fs=found
AC_DEFINE(MOUNTED_GETMNTINFO, 1,
[Define if `getmntinfo' function can be used])
AC_MSG_CHECKING([if struct statfs has f_fstypename])
AC_CACHE_VAL(fu_cv_sys_mounted_f_fstypename,
[AC_EGREP_HEADER([f_fstypename],
[sys/mount.h],
[fu_cv_sys_mounted_f_fstypename=yes],
[fu_cv_sys_mounted_f_fstypename=no])
])
AC_MSG_RESULT([$fu_cv_sys_mounted_f_fstypename])
if test $fu_cv_sys_mounted_f_fstypename = yes; then
AC_DEFINE(HAVE_F_FSTYPENAME, 1,
[Define if `f_fstypename' is member of `struct statfs'])
fi
fi
fi
if test -z "$list_mounted_fs"; then
# Ultrix
AC_MSG_CHECKING([for getmnt function])
AC_CACHE_VAL(fu_cv_sys_mounted_getmnt,
[AC_TRY_CPP([
#include <sys/fs_types.h>
#include <sys/mount.h>],
fu_cv_sys_mounted_getmnt=yes,
fu_cv_sys_mounted_getmnt=no)])
AC_MSG_RESULT([$fu_cv_sys_mounted_getmnt])
if test $fu_cv_sys_mounted_getmnt = yes; then
list_mounted_fs=found
AC_DEFINE(MOUNTED_GETMNT, 1,
[Define if `getmnt' function can be used])
fi
fi
if test -z "$list_mounted_fs"; then
# SVR2
AC_MSG_CHECKING([whether it is possible to resort to fread on /etc/mnttab])
AC_CACHE_VAL(fu_cv_sys_mounted_fread,
[AC_TRY_CPP([#include <mnttab.h>],
fu_cv_sys_mounted_fread=yes,
fu_cv_sys_mounted_fread=no)])
AC_MSG_RESULT([$fu_cv_sys_mounted_fread])
if test $fu_cv_sys_mounted_fread = yes; then
list_mounted_fs=found
AC_DEFINE(MOUNTED_FREAD, 1,
[Define if it's possible to resort to fread on /etc/mnttab])
fi
fi
if test -z "$list_mounted_fs"; then
AC_MSG_WARN([could not determine how to read list of mounted fs])
else
AC_DEFINE(HAVE_INFOMOUNT_LIST, 1,
[Define if the list of mounted filesystems can be determined])
fi
dnl This configure.in code has been stolen from GNU fileutils-3.12. Its
dnl job is to detect a method to get file system information.
AC_MSG_NOTICE([checking how to get filesystem space usage])
space=no
# Here we'll compromise a little (and perform only the link test)
# since it seems there are no variants of the statvfs function.
if test $space = no; then
# SVR4
AC_CHECK_FUNCS(statvfs)
if test $ac_cv_func_statvfs = yes; then
space=yes
AC_DEFINE(STAT_STATVFS, 1,
[Define if function `statfs' can be used])
fi
fi
if test $space = no; then
# DEC Alpha running OSF/1
AC_MSG_CHECKING([for 3-argument statfs function (DEC OSF/1)])
AC_CACHE_VAL(fu_cv_sys_stat_statfs3_osf1,
[AC_TRY_RUN([
#include <sys/param.h>
#include <sys/types.h>
#include <sys/mount.h>
main ()
{
struct statfs fsd;
fsd.f_fsize = 0;
exit (statfs (".", &fsd, sizeof (struct statfs)));
}],
fu_cv_sys_stat_statfs3_osf1=yes,
fu_cv_sys_stat_statfs3_osf1=no,
fu_cv_sys_stat_statfs3_osf1=no)])
AC_MSG_RESULT($fu_cv_sys_stat_statfs3_osf1)
if test $fu_cv_sys_stat_statfs3_osf1 = yes; then
space=yes
AC_DEFINE(STAT_STATFS3_OSF1, 1,
[Define if function `statfs' takes 3 arguments])
fi
fi
if test $space = no; then
# AIX
AC_MSG_CHECKING([for two-argument statfs with statfs.bsize member (AIX, 4.3BSD)])
AC_CACHE_VAL(fu_cv_sys_stat_statfs2_bsize,
[AC_TRY_RUN([
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
#ifdef HAVE_SYS_VFS_H
#include <sys/vfs.h>
#endif
main ()
{
struct statfs fsd;
fsd.f_bsize = 0;
exit (statfs (".", &fsd));
}],
fu_cv_sys_stat_statfs2_bsize=yes,
fu_cv_sys_stat_statfs2_bsize=no,
fu_cv_sys_stat_statfs2_bsize=no)])
AC_MSG_RESULT([$fu_cv_sys_stat_statfs2_bsize])
if test $fu_cv_sys_stat_statfs2_bsize = yes; then
space=yes
AC_DEFINE(STAT_STATFS2_BSIZE, 1,
[Define if function `statfs' takes two arguments and
`bsize' is member of `struct statfs'])
fi
fi
if test $space = no; then
# SVR3
AC_MSG_CHECKING([for four-argument statfs (AIX-3.2.5, SVR3)])
AC_CACHE_VAL(fu_cv_sys_stat_statfs4,
[AC_TRY_RUN([#include <sys/types.h>
#include <sys/statfs.h>
main ()
{
struct statfs fsd;
exit (statfs (".", &fsd, sizeof fsd, 0));
}],
fu_cv_sys_stat_statfs4=yes,
fu_cv_sys_stat_statfs4=no,
fu_cv_sys_stat_statfs4=no)])
AC_MSG_RESULT([$fu_cv_sys_stat_statfs4])
if test $fu_cv_sys_stat_statfs4 = yes; then
space=yes
AC_DEFINE(STAT_STATFS4, 1,
[Define if function `statfs' takes 4 arguments])
fi
fi
if test $space = no; then
# 4.4BSD and NetBSD
AC_MSG_CHECKING([for two-argument statfs with statfs.fsize dnl
member (4.4BSD and NetBSD)])
AC_CACHE_VAL(fu_cv_sys_stat_statfs2_fsize,
[AC_TRY_RUN([#include <sys/types.h>
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
main ()
{
struct statfs fsd;
fsd.f_fsize = 0;
exit (statfs (".", &fsd));
}],
fu_cv_sys_stat_statfs2_fsize=yes,
fu_cv_sys_stat_statfs2_fsize=no,
fu_cv_sys_stat_statfs2_fsize=no)])
AC_MSG_RESULT([$fu_cv_sys_stat_statfs2_fsize])
if test $fu_cv_sys_stat_statfs2_fsize = yes; then
space=yes
AC_DEFINE(STAT_STATFS2_FSIZE, 1,
[Define if function `statfs' takes two arguments and
`fsize' is member of `struct statfs'])
fi
fi
if test $space = no; then
# Ultrix
AC_MSG_CHECKING([for two-argument statfs with struct fs_data (Ultrix)])
AC_CACHE_VAL(fu_cv_sys_stat_fs_data,
[AC_TRY_RUN([
#include <sys/types.h>
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
#ifdef HAVE_SYS_FS_TYPES_H
#include <sys/fs_types.h>
#endif
main ()
{
struct fs_data fsd;
/* Ultrix's statfs returns 1 for success,
0 for not mounted, -1 for failure. */
exit (statfs (".", &fsd) != 1);
}],
fu_cv_sys_stat_fs_data=yes,
fu_cv_sys_stat_fs_data=no,
fu_cv_sys_stat_fs_data=no)])
AC_MSG_RESULT([$fu_cv_sys_stat_fs_data])
if test $fu_cv_sys_stat_fs_data = yes; then
space=yes
AC_DEFINE(STAT_STATFS2_FS_DATA, 1,
[Define if function `statfs' takes two arguments
and uses `struct fs_data'])
fi
fi
dnl Not supported
dnl if test $space = no; then
dnl # SVR2
dnl AC_TRY_CPP([#include <sys/filsys.h>],
dnl AC_DEFINE(STAT_READ_FILSYS) space=yes)
dnl fi
])
dnl
dnl Try using termcap database and link with libtermcap if possible.
dnl
AC_DEFUN([MC_USE_TERMCAP], [
screen_msg="$screen_msg with termcap database"
AC_MSG_NOTICE([using S-Lang screen library with termcap])
AC_DEFINE(USE_TERMCAP, 1, [Define to use termcap database])
AC_CHECK_LIB(termcap, tgoto, [MCLIBS="$MCLIBS -ltermcap"], , [$LIBS])
])
dnl
dnl Common code for MC_WITH_SLANG and MC_WITH_MCSLANG
dnl
AC_DEFUN([_MC_WITH_XSLANG], [
screen_type=slang
AC_DEFINE(HAVE_SLANG, 1,
[Define to use S-Lang library for screen management])
])
dnl
dnl Check if the system S-Lang library can be used.
dnl If not, and $1 is "strict", exit, otherwise fall back to mcslang.
dnl
AC_DEFUN([MC_WITH_SLANG], [
with_screen=slang
dnl Unless external S-Lang was requested, reject S-Lang with UTF-8 hacks
m4_if([$1], strict, ,
[AC_CHECK_LIB([slang], [SLsmg_write_nwchars],
[AC_MSG_WARN([Rejecting S-Lang with UTF-8 support, \
it doesn't work well])
with_screen=mcslang])])
if test x$with_screen = xslang; then
AC_CHECK_LIB([slang], [SLang_init_tty], [MCLIBS="$MCLIBS -lslang"],
[with_screen=mcslang])
fi
dnl Check the header
if test x$with_screen = xslang; then
slang_h_found=
AC_CHECK_HEADERS([slang.h slang/slang.h],
[slang_h_found=yes; break])
if test -z "$slang_h_found"; then
with_screen=mcslang
fi
fi
dnl Check if the installed S-Lang library uses termcap
if test x$with_screen = xslang; then
screen_type=slang
screen_msg="S-Lang library (installed on the system)"
AC_DEFINE(HAVE_SYSTEM_SLANG, 1,
[Define to use S-Lang library installed on the system])
ac_save_LIBS="$LIBS"
LIBS="$LIBS -lslang"
AC_TRY_LINK([
#ifdef HAVE_SLANG_SLANG_H
#include <slang/slang.h>
#else
#include <slang.h>
#endif],
[SLtt_get_terminfo();
SLtt_tgetflag("");],
[LIBS="$ac_save_LIBS"],
[LIBS="$ac_save_LIBS"; MC_USE_TERMCAP])
_MC_WITH_XSLANG
else
m4_if([$1], strict,
[if test $with_screen != slang; then
AC_MSG_ERROR([S-Lang library not found])
fi],
[MC_WITH_MCSLANG]
)
fi
])
dnl
dnl Use the included S-Lang library.
dnl
AC_DEFUN([MC_WITH_MCSLANG], [
screen_type=slang
screen_msg="Included S-Lang library (mcslang)"
# Search for terminfo database.
use_terminfo=
if test x"$with_termcap" != xyes; then
if test x"$with_termcap" = xno; then
use_terminfo=yes
fi
if test -n "$TERMINFO" && test -r "$TERMINFO/v/vt100"; then
use_terminfo=yes
fi
for dir in "/usr/share/terminfo" "/usr/lib/terminfo" \
"/usr/share/lib/terminfo" "/etc/terminfo" \
"/usr/local/lib/terminfo" "$HOME/.terminfo"; do
if test -r "$dir/v/vt100"; then
use_terminfo=yes
fi
done
fi
# If there is no terminfo, use termcap
if test -z "$use_terminfo"; then
MC_USE_TERMCAP
fi
_MC_WITH_XSLANG
])
dnl
dnl Use the ncurses library. It can only be requested explicitly,
dnl so just fail if anything goes wrong.
dnl
dnl If ncurses exports the ESCDELAY variable it should be set to 0
dnl or you'll have to press Esc three times to dismiss a dialog box.
dnl
AC_DEFUN([MC_WITH_NCURSES], [
dnl has_colors() is specific to ncurses, it's not in the old curses
save_LIBS="$LIBS"
LIBS=
AC_SEARCH_LIBS([has_colors], [ncurses curses], [MCLIBS="$MCLIBS $LIBS"],
[AC_MSG_ERROR([Cannot find ncurses library])])
dnl Check the header
ncurses_h_found=
AC_CHECK_HEADERS([ncurses/curses.h ncurses.h curses.h],
[ncurses_h_found=yes; break])
if test -z "$ncurses_h_found"; then
AC_MSG_ERROR([Cannot find ncurses header file])
fi
screen_type=ncurses
screen_msg="ncurses library"
AC_DEFINE(USE_NCURSES, 1,
[Define to use ncurses for screen management])
AC_CACHE_CHECK([for ESCDELAY variable],
[mc_cv_ncurses_escdelay],
[AC_TRY_LINK([], [
extern int ESCDELAY;
ESCDELAY = 0;
],
[mc_cv_ncurses_escdelay=yes],
[mc_cv_ncurses_escdelay=no])
])
if test "$mc_cv_ncurses_escdelay" = yes; then
AC_DEFINE(HAVE_ESCDELAY, 1,
[Define if ncurses has ESCDELAY variable])
fi
AC_CHECK_FUNCS(resizeterm)
LIBS="$save_LIBS"
])
dnl
dnl Check for ext2fs recovery code
dnl
AC_DEFUN([AC_EXT2_UNDEL], [
MC_UNDELFS_CHECKS
if test "$ext2fs_undel" = yes; then
AC_MSG_NOTICE([using ext2fs file recovery code])
vfs_flags="${vfs_flags}, undelfs"
use_undelfs=yes
MCLIBS="$MCLIBS $EXT2FS_UNDEL_LIBS"
else
AC_MSG_NOTICE([not using ext2fs file recovery code])
fi
])
dnl The next line is for compatibility with gettext 0.10.x
AC_DEFUN([AM_GNU_GETTEXT_VERSION], [])
dnl
dnl Check whether the g_module_* family of functions works
dnl on this system. We need to know that at the compile time to
dnl decide whether to link with X11.
dnl
AC_DEFUN([AC_G_MODULE_SUPPORTED], [
AC_CACHE_CHECK([if gmodule functionality is supported], mc_cv_g_module_supported, [
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $GMODULE_CFLAGS"
LIBS="$GMODULE_LIBS $LIBS"
AC_TRY_RUN([
#include <gmodule.h>
int main ()
{
int ret = (g_module_supported () == TRUE) ? 0 : 1;
return ret;
}
],
[mc_cv_g_module_supported=yes],
[mc_cv_g_module_supported=no],
[mc_cv_g_module_supported=no]
)
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
])
if test "$mc_cv_g_module_supported" = yes; then
AC_DEFINE(HAVE_GMODULE, 1,
[Define if gmodule functionality is supported])
fi
])
dnl
dnl Check if it's possible to use asm labels to rename functions.
dnl This macro is necessary because gettext wrongly assumes that gcc
dnl can do it regardless of the OS.
dnl
AC_DEFUN([MC_ASM_LABELS], [
AC_CACHE_CHECK([whether functions can be renamed by asm labels],
mc_cv_asm_labels,
[mc_cv_asm_labels=no
if test -n "$GCC"; then
AC_TRY_LINK(, [
static int function1 (void) __asm__ ("function2");
static int function1 (void)
{
return 0;
}
return function2();
], [mc_cv_asm_labels=yes])
fi
])
if test "$mc_cv_asm_labels" != yes; then
AC_DEFINE(_INTL_REDIRECT_MACROS, 1,
[Define if functions cannot be renamed by asm labels])
fi
])
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