mc/acinclude.m4

570 lines
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dnl
dnl Check for size of d_name dirent member
dnl
AC_DEFUN([AC_SHORT_D_NAME_LEN], [
AC_MSG_CHECKING([filename fits on dirent.d_name])
AC_CACHE_VAL(ac_cv_dnamesize, [
OCFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -I$srcdir"
AC_TRY_RUN([
#include <src/fs.h>
int main ()
{
struct dirent ddd;
if (sizeof (ddd.d_name) < 12)
return 0;
else
return 1;
}
],[
ac_cv_dnamesize="no"
], [
ac_cv_dnamesize="yes"
], [
# Cannot find out, so assume no
ac_cv_dnamesize="no"
])
CFLAGS="$OCFLAGS"
])
if test x$ac_cv_dnamesize = xno; then
AC_DEFINE(NEED_EXTRA_DIRENT_BUFFER)
fi
AC_MSG_RESULT([$ac_cv_dnamesize])
])
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/mount.h sys/filsys.h sys/fs_types.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)
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 $fu_cv_sys_mounted_getmntent2 = yes; then
list_mounted_fs=found
AC_DEFINE(MOUNTED_GETMNTENT2)
fi
fi
if test -z "$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 $fu_cv_sys_mounted_getmntent1 = yes; then
list_mounted_fs=found
AC_DEFINE(MOUNTED_GETMNTENT1)
fi
fi
fi
if test -z "$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 $fu_cv_sys_mounted_getsstat = yes; then
list_mounted_fs=found
AC_DEFINE(MOUNTED_GETFSSTAT)
fi
fi
if test -z "$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 $fu_cv_sys_mounted_vmount = yes; then
list_mounted_fs=found
AC_DEFINE(MOUNTED_VMOUNT)
fi
fi
if test -z "$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 $fu_cv_sys_mounted_fread_fstyp = yes; then
list_mounted_fs=found
AC_DEFINE(MOUNTED_FREAD_FSTYP)
fi
fi
if test -z "$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 $fu_cv_sys_mounted_getmntinfo = yes; then
list_mounted_fs=found
AC_DEFINE(MOUNTED_GETMNTINFO)
AC_MSG_CHECKING([if struct statfs has f_fstypename])
AC_CACHE_VAL(fu_cv_sys_mounted_f_fstypename,
[AC_EGREP_HEADER([f_fstypename],
[sys/mount.h],
[fu_cv_sys_mounted_f_fstypename=yes],
[fu_cv_sys_mounted_f_fstypename=no])
])
AC_MSG_RESULT([$fu_cv_sys_mounted_f_fstypename])
if test $fu_cv_sys_mounted_f_fstypename = yes; then
AC_DEFINE(HAVE_F_FSTYPENAME)
fi
fi
fi
if test -z "$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 $fu_cv_sys_mounted_getmnt = yes; then
list_mounted_fs=found
AC_DEFINE(MOUNTED_GETMNT)
fi
fi
if test -z "$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 $fu_cv_sys_mounted_fread = yes; then
list_mounted_fs=found
AC_DEFINE(MOUNTED_FREAD)
fi
fi
if test -z "$list_mounted_fs"; then
AC_MSG_WARN([could not determine how to read list of mounted fs])
else
AC_DEFINE(HAVE_INFOMOUNT_LIST, 1,
[Can determine list of mounted filesystems])
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_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)
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)
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)
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)
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)
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)
fi
fi
dnl Not supported
dnl if test $space = no; then
dnl # SVR2
dnl AC_TRY_CPP([#include <sys/filsys.h>],
dnl AC_DEFINE(STAT_READ_FILSYS) space=yes)
dnl fi
])
dnl AC_TRY_WARNINGS(INCLUDES, FUNCTION-BODY,
dnl ACTION-IF-NO-WARNINGS [, ACTION-IF-WARNINGS-OR-ERROR])
AC_DEFUN([AC_TRY_WARNINGS],
[cat > conftest.$ac_ext <<EOF
dnl This sometimes fails to find confdefs.h, for some reason.
dnl [#]line __oline__ "[$]0"
[#]line __oline__ "configure"
#include "confdefs.h"
[$1]
int main() { return 0; }
int t() {
[$2]
; return 0; }
EOF
ac_compile_warn='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 2>&1'
if { if eval $ac_compile_warn; then :; else echo arning; fi; } | grep arning 1>&AC_FD_CC 2>&AC_FD_CC; then
ifelse([$4], , :, [rm -rf conftest*
$4])
ifelse([$3], , , [else
rm -rf conftest*
$3
])dnl
fi
rm -f conftest*]
)
AC_DEFUN([AC_USE_SUNOS_CURSES], [
search_ncurses=false
screen_manager="SunOS 4.x /usr/5include curses"
AC_MSG_RESULT([Using SunOS 4.x /usr/5include curses])
AC_DEFINE(USE_SUNOS_CURSES)
AC_DEFINE(NO_COLOR_CURSES)
AC_DEFINE(USE_SYSV_CURSES)
CPPFLAGS="$CPPFLAGS -I/usr/5include"
XCURSES="xcurses.o /usr/5lib/libcurses.a /usr/5lib/libtermcap.a"
AC_MSG_RESULT([Please note that some screen refreshs may fail])
AC_MSG_WARN([Reconsider using Slang])
])
AC_DEFUN([AC_USE_OSF1_CURSES], [
AC_MSG_RESULT([Using OSF1 curses])
search_ncurses=false
screen_manager="OSF1 curses"
AC_DEFINE(NO_COLOR_CURSES)
AC_DEFINE(USE_SYSV_CURSES)
XCURSES="xcurses.o"
LIBS="$LIBS -lcurses"
])
AC_DEFUN([AC_USE_SYSV_CURSES], [
AC_MSG_RESULT([Using SysV curses])
AC_DEFINE(USE_SYSV_CURSES)
XCURSES=""
search_ncurses=false
screen_manager="SysV/curses"
LIBS="$LIBS -lcurses"
])
AC_DEFUN([AC_USE_TERMINFO], [
AC_DEFINE(SLANG_TERMINFO)
AC_MSG_RESULT([Using SLang screen manager/terminfo])
slang_term=" with terminfo"
])
AC_DEFUN([AC_USE_TERMCAP], [
AC_MSG_RESULT([Using SLang screen manager/termcap])
AC_DEFINE(USE_TERMCAP)
dnl Check with $LIBS at the end so that it works with ELF libs.
AC_CHECK_LIB(termcap, tgoto, LIBS="$LIBS -ltermcap", , $LIBS)
slang_term=" with termcap"
])
AC_DEFUN([AC_WITH_SLANG], [
AC_DEFINE(HAVE_SLANG)
search_ncurses=false
if $slang_use_system_installed_lib
then
AC_DEFINE(HAVE_SYSTEM_SLANG)
LSLANG="-lslang"
screen_manager="SLang (system-installed library)"
AC_MSG_RESULT([Using system installed SLang library])
rm -f slang/slang.h
ac_save_LIBS="$LIBS"
LIBS="$LIBS $LSLANG"
AC_TRY_RUN(
[
#ifdef SLANG_H_INSIDE_SLANG_DIR
#include <slang/slang.h>
#else
#include <slang.h>
#endif
int main(void){
SLtt_get_terminfo();
SLtt_tgetflag("");
return 0;
} ],
[LIBS="$ac_save_LIBS"; AC_USE_TERMINFO],
[LIBS="$ac_save_LIBS"; AC_USE_TERMCAP])
else
MCCPPFLAGS="$MCCPPFLAGS -I\$(slangdir)"
LIBSLANG="libmcslang.a"
screen_manager="SLang"
LSLANG="-lmcslang"
CPPFLAGS="$CPPFLAGS -I../slang"
fastdepslang=fastdepslang
mkdir -p slang
rm -f slang/slang.h
case "$srcdir" in
/*) ln -sf $srcdir/slang/slang-mc.h slang/slang.h;;
*) ln -sf ../$srcdir/slang/slang-mc.h slang/slang.h;;
esac
fi
if $slang_check_lib
then
use_terminfo=false
for dir in /usr/lib /usr/share/lib /usr/local/lib /lib \
/usr/local/share /usr/share
do
if test -d $dir/terminfo; then
use_terminfo=true;
break
fi
done
if $use_terminfo; then
AC_USE_TERMINFO
else
AC_USE_TERMCAP
fi
fi]
)
AC_DEFUN([AC_WITH_EDIT], [
AC_DEFINE(USE_INTERNAL_EDIT)
LIBEDIT_A="libedit.a"
MCEDIT="mcedit"
LEDIT="-ledit"
EDIT_msg="yes"
AC_MSG_RESULT([will call internal editor])
])
AC_DEFUN([AC_EXT2_UNDEL], [
GNOME_UNDELFS_CHECKS
if test "$ext2fs_undel" = yes; then
AC_MSG_RESULT([With ext2fs file recovery code])
vfs_flags="${vfs_flags}, undelfs"
undelfs_o="undelfs.o"
LIBS="$LIBS $EXT2FS_UNDEL_LIBS"
else
AC_MSG_WARN([No ext2fs file recovery code])
fi
])
dnl
dnl Parameters: directory filename LIBS_append CPPFLAGS_append nicename
dnl
AC_DEFUN([AC_NCURSES], [
if $search_ncurses
then
if test -f $1/$2
then
AC_MSG_RESULT([Found ncurses on $1/$2])
LIBS="$LIBS $3"
CPPFLAGS="$CPPFLAGS $4"
search_ncurses=false
screen_manager=$5
AC_DEFINE(USE_NCURSES)
fi
fi
])