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2276e9b513
mc/acinclude.m4
Slava Zanko 2276e9b513 Search engine: now used regexp external engines: 
* glib
 * pcre
 * POSIX regex

External engine selected automatically, if present.
2009-05-05 16:19:32 +03:00

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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([ext2fs/ext2_fs.h linux/ext2_fs.h], [ext2_fs_h=yes; break])
if test x$ext2_fs_h = xyes; then
AC_CHECK_HEADERS([ext2fs/ext2fs.h], [ext2fs_ext2fs_h=yes], ,
[
#include <stdio.h>
#ifdef HAVE_EXT2FS_EXT2_FS_H
#include <ext2fs/ext2_fs.h>
#else
#undef umode_t
#include <linux/ext2_fs.h>
#endif
])
if test x$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>
#ifdef HAVE_EXT2FS_EXT2_FS_H
#include <ext2fs/ext2_fs.h>
#else
#undef umode_t
#include <linux/ext2_fs.h>
#endif
#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
vfs_flags="cpiofs, extfs, tarfs"
use_net_code=false
AC_ARG_ENABLE([netcode],
[ --enable-netcode Support for networking [[yes]]])
if test "x$enable_netcode" != xno; then
dnl FIXME: network checks should probably be in their own macro.
AC_SEARCH_LIBS(socket, [xnet bsd socket inet], [have_socket=yes])
if test x$have_socket = xyes; then
AC_SEARCH_LIBS(gethostbyname, [bsd socket inet netinet])
AC_CHECK_MEMBERS([struct linger.l_linger], , , [
#include <sys/types.h>
#include <sys/socket.h>
])
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
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
dnl
dnl Ext2fs undelete support
dnl
AC_ARG_WITH(ext2undel,
[ --with-ext2undel Compile with ext2 undelete code [[yes if found]]],
[if test x$withval != xno; then
if test x$withval != xyes; then
LDFLAGS="$LDFLAGS -L$withval/lib"
CPPFLAGS="$CPPFLAGS -I$withval/include"
fi
AC_EXT2_UNDEL
fi],[
dnl Default: detect
AC_CHECK_LIB(ext2fs, ext2fs_close, [AC_EXT2_UNDEL], , [-lcom_err])
])
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 $use_vfs in
yes) MC_WITH_VFS;;
no) use_vfs=no;;
*) use_vfs=no;;
dnl Should we issue a warning?
esac
])
dnl
dnl Filesystem information detection
dnl
dnl To get information about the disk, mount points, etc.
dnl
AC_DEFUN([AC_GET_FS_INFO], [
AC_CHECK_HEADERS([fcntl.h utime.h])
gl_LIST_MOUNTED_FILE_SYSTEMS([
AC_DEFINE(HAVE_INFOMOUNT_LIST, 1,
[Define if the list of mounted filesystems can be determined])],
[AC_MSG_WARN([could not determine how to read list of mounted fs])])
gl_FSUSAGE
gl_FSTYPENAME
])
dnl
dnl Try using termcap database and link with libtermcap if possible.
dnl
AC_DEFUN([MC_USE_TERMCAP], [
screen_msg="$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 Check if private functions are available for linking
dnl
AC_DEFUN([MC_SLANG_PRIVATE], [
AC_CACHE_CHECK([if S-Lang exports private functions],
[mc_cv_slang_private], [
ac_save_LIBS="$LIBS"
LIBS="$LIBS -lslang"
AC_TRY_LINK([
#ifdef HAVE_SLANG_SLANG_H
#include <slang/slang.h>
#else
#include <slang.h>
#endif
#if SLANG_VERSION >= 10000
extern unsigned int SLsys_getkey (void);
#else
extern unsigned int _SLsys_getkey (void);
#endif
], [
#if SLANG_VERSION >= 10000
_SLsys_getkey ();
#else
SLsys_getkey ();
#endif
],
[mc_cv_slang_private=yes],
[mc_cv_slang_private=no])
LIBS="$ac_save_LIBS"
])
if test x$mc_cv_slang_private = xyes; then
AC_DEFINE(HAVE_SLANG_PRIVATE, 1,
[Define if private S-Lang functions are available])
fi
])
dnl
dnl Check if the installed S-Lang library uses termcap
dnl
AC_DEFUN([MC_SLANG_TERMCAP], [
AC_CACHE_CHECK([if S-Lang uses termcap], [mc_cv_slang_termcap], [
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("");],
[mc_cv_slang_termcap=no],
[mc_cv_slang_termcap=yes])
LIBS="$ac_save_LIBS"
])
if test x$mc_cv_slang_termcap = xyes; then
MC_USE_TERMCAP
fi
])
dnl
dnl Common code for MC_WITH_SLANG
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 $1 is "strict", exit.
dnl
AC_DEFUN([MC_WITH_SLANG], [
with_screen=slang
dnl Check the header
slang_h_found=
AC_CHECK_HEADERS([slang.h slang/slang.h],
[slang_h_found=yes; break])
if test -z "$slang_h_found"; then
AC_MSG_ERROR([Slang header not found])
fi
dnl Check if termcap is needed.
dnl This check must be done before anything is linked against S-Lang.
if test x$with_screen = xslang; then
MC_SLANG_TERMCAP
fi
dnl Check the library
if test x$with_screen = xslang; then
AC_CHECK_LIB([slang], [SLang_init_tty], [MCLIBS="$MCLIBS -lslang"],
AC_MSG_ERROR([Slang library not found]), ["$MCLIBS"])
fi
dnl Unless external S-Lang was requested, reject S-Lang with UTF-8 hacks
if test x$with_screen = xslang; then
AC_CHECK_LIB(
[slang],
[SLsmg_write_nwchars],
[AC_MSG_ERROR([Rejecting S-Lang with UTF-8 support, it's not fully supported yet])])
fi
if test x$with_screen = xslang; then
MC_SLANG_PRIVATE
screen_type=slang
screen_msg="S-Lang library (installed on the system)"
else
AC_MSG_ERROR([S-Lang library not found])
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="$LIBS"
ncursesw_found=
LIBS=
AC_SEARCH_LIBS([addwstr], [ncursesw ncurses curses], [MCLIBS="$MCLIBS $LIBS";ncursesw_found=yes],
[AC_MSG_WARN([Cannot find ncurses library, that support wide characters])])
if test -z "$ncursesw_found"; then
LIBS=
AC_SEARCH_LIBS([has_colors], [ncurses curses], [MCLIBS="$MCLIBS $LIBS"],
[AC_MSG_ERROR([Cannot find ncurses library])])
fi
dnl Check the header
ncurses_h_found=
AC_CHECK_HEADERS([ncursesw/curses.h ncurses/curses.h ncurses.h curses.h],
[ncurses_h_found=yes; break])
if test -z "$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 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_NCURSESW], [
dnl has_colors() is specific to ncurses, it's not in the old curses
save_LIBS="$LIBS"
LIBS=
AC_SEARCH_LIBS([has_colors], [ncursesw], [MCLIBS="$MCLIBS $LIBS"],
[AC_MSG_ERROR([Cannot find ncursesw library])])
dnl Check the header
ncurses_h_found=
AC_CHECK_HEADERS([ncursesw/curses.h],
[ncursesw_h_found=yes; break])
if test -z "$ncursesw_h_found"; then
AC_MSG_ERROR([Cannot find ncursesw header file])
fi
screen_type=ncursesw
screen_msg="ncursesw library"
AC_DEFINE(USE_NCURSESW, 1,
[Define to use ncursesw for screen management])
AC_CACHE_CHECK([for ESCDELAY variable],
[mc_cv_ncursesw_escdelay],
[AC_TRY_LINK([], [
extern int ESCDELAY;
ESCDELAY = 0;
],
[mc_cv_ncursesw_escdelay=yes],
[mc_cv_ncursesw_escdelay=no])
])
if test "$mc_cv_ncursesw_escdelay" = yes; then
AC_DEFINE(HAVE_ESCDELAY, 1,
[Define if ncursesw has ESCDELAY variable])
fi
AC_CHECK_FUNCS(resizeterm)
LIBS="$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 $EXT2FS_UNDEL_LIBS"
else
AC_MSG_NOTICE([not using ext2fs file recovery code])
fi
])
dnl
dnl Check whether the g_module_* family of functions works
dnl on this system. We need to know that at the compile time to
dnl decide whether to link with X11.
dnl
AC_DEFUN([AC_G_MODULE_SUPPORTED], [
AC_CACHE_CHECK([if gmodule functionality is supported], mc_cv_g_module_supported, [
ac_save_CFLAGS="$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 @synopsis AX_PATH_LIB_PCRE [(A/NA)]
dnl
dnl check for pcre lib and set PCRE_LIBS and PCRE_CFLAGS accordingly.
dnl
dnl also provide --with-pcre option that may point to the $prefix of
dnl the pcre installation - the macro will check $pcre/include and
dnl $pcre/lib to contain the necessary files.
dnl
dnl the usual two ACTION-IF-FOUND / ACTION-IF-NOT-FOUND are supported
dnl and they can take advantage of the LIBS/CFLAGS additions.
dnl
dnl @category InstalledPackages
dnl @author Guido U. Draheim <guidod@gmx.de>
dnl @version 2006-10-13
dnl @license GPLWithACException
AC_DEFUN([AX_PATH_LIB_PCRE],[dnl
AC_MSG_CHECKING([lib pcre])
AC_ARG_WITH(pcre,
[ --with-pcre[[=prefix]] compile xmlpcre part (via libpcre check)],,
with_pcre="yes")
if test ".$with_pcre" = ".no" ; then
AC_MSG_RESULT([disabled])
m4_ifval($2,$2)
else
AC_MSG_RESULT([(testing)])
AC_CHECK_LIB(pcre, pcre_study)
if test "$ac_cv_lib_pcre_pcre_study" = "yes" ; then
PCRE_LIBS="-lpcre"
AC_MSG_CHECKING([lib pcre])
AC_MSG_RESULT([$PCRE_LIBS])
m4_ifval($1,$1)
else
OLDLDFLAGS="$LDFLAGS" ; LDFLAGS="$LDFLAGS -L$with_pcre/lib"
OLDCPPFLAGS="$CPPFLAGS" ; CPPFLAGS="$CPPFLAGS -I$with_pcre/include"
AC_CHECK_LIB(pcre, pcre_compile)
CPPFLAGS="$OLDCPPFLAGS"
LDFLAGS="$OLDLDFLAGS"
if test "$ac_cv_lib_pcre_pcre_compile" = "yes" ; then
AC_MSG_RESULT(.setting PCRE_LIBS -L$with_pcre/lib -lpcre)
PCRE_LIBS="-L$with_pcre/lib -lpcre"
test -d "$with_pcre/include" && PCRE_CFLAGS="-I$with_pcre/include"
AC_MSG_CHECKING([lib pcre])
AC_MSG_RESULT([$PCRE_LIBS])
m4_ifval($1,$1)
else
AC_MSG_CHECKING([lib pcre])
AC_MSG_RESULT([no, (WARNING)])
m4_ifval($2,$2)
fi
fi
fi
AC_SUBST([PCRE_LIBS])
AC_SUBST([PCRE_CFLAGS])
])
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