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|
dnl test whether dirent has a d_off member
AC_DEFUN(AC_DIRENT_D_OFF,
[AC_CACHE_CHECK([for d_off in dirent], ac_cv_dirent_d_off,
[AC_TRY_COMPILE([
#include <unistd.h>
#include <sys/types.h>
#include <dirent.h>], [struct dirent d; d.d_off;],
ac_cv_dirent_d_off=yes, ac_cv_dirent_d_off=no)])
if test $ac_cv_dirent_d_off = yes; then
AC_DEFINE(HAVE_DIRENT_D_OFF,1,[Whether dirent has a d_off member])
fi
])
dnl Mark specified module as shared
dnl SMB_MODULE(name,static_files,shared_files,subsystem,whatif-static,whatif-shared)
AC_DEFUN(SMB_MODULE,
[
AC_MSG_CHECKING([how to build $1])
if test "$[MODULE_][$1]"; then
DEST=$[MODULE_][$1]
elif test "$[MODULE_]translit([$4], [A-Z], [a-z])" -a "$[MODULE_DEFAULT_][$1]"; then
DEST=$[MODULE_]translit([$4], [A-Z], [a-z])
else
DEST=$[MODULE_DEFAULT_][$1]
fi
if test x"$DEST" = xSHARED; then
AC_DEFINE([$1][_init], [init_samba_module], [Whether to build $1 as shared module])
$4_MODULES="$$4_MODULES $3"
AC_MSG_RESULT([shared])
[$6]
string_shared_modules="$string_shared_modules $1"
elif test x"$DEST" = xSTATIC; then
[init_static_modules_]translit([$4], [A-Z], [a-z])="$[init_static_modules_]translit([$4], [A-Z], [a-z]) $1_init();"
[decl_static_modules_]translit([$4], [A-Z], [a-z])="$[decl_static_modules_]translit([$4], [A-Z], [a-z]) extern NTSTATUS $1_init(void);"
string_static_modules="$string_static_modules $1"
$4_STATIC="$$4_STATIC $2"
AC_SUBST($4_STATIC)
[$5]
AC_MSG_RESULT([static])
else
string_ignored_modules="$string_ignored_modules $1"
AC_MSG_RESULT([not])
fi
])
AC_DEFUN(SMB_SUBSYSTEM,
[
AC_SUBST($1_STATIC)
AC_SUBST($1_MODULES)
AC_DEFINE_UNQUOTED([static_init_]translit([$1], [A-Z], [a-z]), [{$init_static_modules_]translit([$1], [A-Z], [a-z])[}], [Static init functions])
AC_DEFINE_UNQUOTED([static_decl_]translit([$1], [A-Z], [a-z]), [$decl_static_modules_]translit([$1], [A-Z], [a-z]), [Decl of Static init functions])
ifelse([$2], , :, [rm -f $2])
])
dnl SMB_LIBRARY(name, version, default, reason)
dnl
dnl configure build and use of an (internal) shared library
dnl
AC_DEFUN([SMB_LIBRARY],
[
m4_pushdef([LIBNAME], [lib$1])
m4_pushdef([LIBUC], [m4_toupper(LIBNAME)])
m4_pushdef([LIBLIBS], [-l$1])
LIBUC[_SHARED_TARGET]=bin/LIBNAME.$SHLIBEXT
LIBUC[_STATIC_TARGET]=bin/LIBNAME.a
LIBUC[_SHARED]=
LIBUC[_STATIC]=
LIBUC[_LIBS]=
[INSTALL_]LIBUC=
[UNINSTALL_]LIBUC=
m4_if([$2], [], [LIBUC[_SOVER]=0], [LIBUC[_SOVER]=$2])
AC_SUBST(LIBUC[_SHARED_TARGET])
AC_SUBST(LIBUC[_STATIC_TARGET])
AC_SUBST(LIBUC[_SHARED])
AC_SUBST(LIBUC[_STATIC])
AC_SUBST(LIBUC[_LIBS])
AC_SUBST([INSTALL_]LIBUC)
AC_SUBST([UNINSTALL_]LIBUC)
AC_SUBST(LIBUC[_SOVER])
AC_MSG_CHECKING([whether to build the LIBNAME shared library])
m4_if([$3], [no], [
dnl set the default to not build the shared lib
AC_ARG_WITH(LIBNAME,
AS_HELP_STRING([--with-]LIBNAME,
m4_if([$4], [],
[Build the LIBNAME shared library (default=no)],
[Build the LIBNAME shared library (default=no ($4))])),
[
case "$withval" in
yes)
build_lib=yes
;;
*)
AC_MSG_RESULT(yes)
build_lib=no
;;
esac
],
[
# if unspecified, default is not to build
AC_MSG_RESULT(yes)
build_lib=no
]
)
],[
dnl by default, try to build the shared lib
AC_ARG_WITH(LIBNAME,
AS_HELP_STRING([--with-]LIBNAME,
[Build the LIBNAME shared library (default=yes if shared libs supported)]),
[
case "$withval" in
no)
AC_MSG_RESULT(no)
build_lib=no
;;
*)
build_lib=yes
;;
esac
],
[
# if unspecified, default is to build it if possible.
build_lib=yes
]
)
])
if eval test x"$build_lib" = "xyes" ; then
# only set the install targets if the user chose the library
[INSTALL_]LIBUC=[install]LIBNAME
[UNINSTALL_]LIBUC=[uninstall]LIBNAME
if eval $BLDSHARED = true; then
LIBUC[_SHARED]=$LIBUC[_SHARED_TARGET]
AC_MSG_RESULT(yes)
if test x"$USESHARED" != x"true" -o x"$[LINK_]LIBUC" = "xSTATIC" ; then
enable_static=yes
else
LIBUC[_LIBS]=LIBLIBS
fi
else
enable_static=yes
AC_MSG_RESULT(no shared library support -- will supply static library)
fi
else
enable_static=yes
AC_MSG_RESULT(shared library not selected, but will supply static library)
fi
if test $enable_static = yes; then
LIBUC[_STATIC]=[\$\(]LIBUC[_OBJ0\)]
fi
m4_popdef([LIBNAME])
m4_popdef([LIBUC])
m4_popdef([LIBLIBS])
])
dnl AC_LIBTESTFUNC(lib, function, [actions if found], [actions if not found])
dnl Check for a function in a library, but don't keep adding the same library
dnl to the LIBS variable. Check whether the function is available in the
dnl current LIBS before adding the library which prevents us spuriously
dnl adding libraries for symbols that are in libc.
dnl
dnl On success, the default actions ensure that HAVE_FOO is defined. The lib
dnl is always added to $LIBS if it was found to be necessary. The caller
dnl can use SMB_REMOVE_LIB to strp this if necessary.
AC_DEFUN([AC_LIBTESTFUNC],
[
AC_CHECK_FUNCS($2,
[
# $2 was found in libc or existing $LIBS
m4_ifval([$3],
[
$3
],
[
AC_DEFINE(translit([HAVE_$2], [a-z], [A-Z]), 1,
[Whether $2 is available])
])
],
[
# $2 was not found, try adding lib$1
case " $LIBS " in
*\ -l$1\ *)
m4_ifval([$4],
[
$4
],
[
# $2 was not found and we already had lib$1
# nothing to do here by default
true
])
;;
*)
# $2 was not found, try adding lib$1
AC_CHECK_LIB($1, $2,
[
LIBS="-l$1 $LIBS"
m4_ifval([$3],
[
$3
],
[
AC_DEFINE(translit([HAVE_$2], [a-z], [A-Z]), 1,
[Whether $2 is available])
])
],
[
m4_ifval([$4],
[
$4
],
[
# $2 was not found in lib$1
# nothing to do here by default
true
])
])
;;
esac
])
])
# AC_CHECK_LIB_EXT(LIBRARY, [EXT_LIBS], [FUNCTION],
# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
# [ADD-ACTION-IF-FOUND],[OTHER-LIBRARIES])
# ------------------------------------------------------
#
# Use a cache variable name containing both the library and function name,
# because the test really is for library $1 defining function $3, not
# just for library $1. Separate tests with the same $1 and different $3s
# may have different results.
#
# Note that using directly AS_VAR_PUSHDEF([ac_Lib], [ac_cv_lib_$1_$3])
# is asking for trouble, since AC_CHECK_LIB($lib, fun) would give
# ac_cv_lib_$lib_fun, which is definitely not what was meant. Hence
# the AS_LITERAL_IF indirection.
#
# FIXME: This macro is extremely suspicious. It DEFINEs unconditionally,
# whatever the FUNCTION, in addition to not being a *S macro. Note
# that the cache does depend upon the function we are looking for.
#
# It is on purpose we used `ac_check_lib_ext_save_LIBS' and not just
# `ac_save_LIBS': there are many macros which don't want to see `LIBS'
# changed but still want to use AC_CHECK_LIB_EXT, so they save `LIBS'.
# And ``ac_save_LIBS' is too tempting a name, so let's leave them some
# freedom.
AC_DEFUN([AC_CHECK_LIB_EXT],
[
AH_CHECK_LIB_EXT([$1])
ac_check_lib_ext_save_LIBS=$LIBS
LIBS="-l$1 $$2 $7 $LIBS"
AS_LITERAL_IF([$1],
[AS_VAR_PUSHDEF([ac_Lib_ext], [ac_cv_lib_ext_$1])],
[AS_VAR_PUSHDEF([ac_Lib_ext], [ac_cv_lib_ext_$1''])])dnl
m4_ifval([$3],
[
AH_CHECK_FUNC_EXT([$3])
AS_LITERAL_IF([$1],
[AS_VAR_PUSHDEF([ac_Lib_func], [ac_cv_lib_ext_$1_$3])],
[AS_VAR_PUSHDEF([ac_Lib_func], [ac_cv_lib_ext_$1''_$3])])dnl
AC_CACHE_CHECK([for $3 in -l$1], ac_Lib_func,
[AC_TRY_LINK_FUNC($3,
[AS_VAR_SET(ac_Lib_func, yes);
AS_VAR_SET(ac_Lib_ext, yes)],
[AS_VAR_SET(ac_Lib_func, no);
AS_VAR_SET(ac_Lib_ext, no)])
])
AS_IF([test AS_VAR_GET(ac_Lib_func) = yes],
[AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_$3))])dnl
AS_VAR_POPDEF([ac_Lib_func])dnl
],[
AC_CACHE_CHECK([for -l$1], ac_Lib_ext,
[AC_TRY_LINK_FUNC([main],
[AS_VAR_SET(ac_Lib_ext, yes)],
[AS_VAR_SET(ac_Lib_ext, no)])
])
])
LIBS=$ac_check_lib_ext_save_LIBS
AS_IF([test AS_VAR_GET(ac_Lib_ext) = yes],
[m4_default([$4],
[AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_LIB$1))
case "$$2" in
*-l$1*)
;;
*)
$2="-l$1 $$2"
;;
esac])
[$6]
],
[$5])dnl
AS_VAR_POPDEF([ac_Lib_ext])dnl
])# AC_CHECK_LIB_EXT
# AH_CHECK_LIB_EXT(LIBNAME)
# ---------------------
m4_define([AH_CHECK_LIB_EXT],
[AH_TEMPLATE(AS_TR_CPP(HAVE_LIB$1),
[Define to 1 if you have the `]$1[' library (-l]$1[).])])
# AC_CHECK_FUNCS_EXT(FUNCTION, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
# -----------------------------------------------------------------
dnl check for a function in a $LIBS and $OTHER_LIBS libraries variable.
dnl AC_CHECK_FUNC_EXT(func,OTHER_LIBS,IF-TRUE,IF-FALSE)
AC_DEFUN([AC_CHECK_FUNC_EXT],
[
AH_CHECK_FUNC_EXT($1)
ac_check_func_ext_save_LIBS=$LIBS
LIBS="$2 $LIBS"
AS_VAR_PUSHDEF([ac_var], [ac_cv_func_ext_$1])dnl
AC_CACHE_CHECK([for $1], ac_var,
[AC_LINK_IFELSE([AC_LANG_FUNC_LINK_TRY([$1])],
[AS_VAR_SET(ac_var, yes)],
[AS_VAR_SET(ac_var, no)])])
LIBS=$ac_check_func_ext_save_LIBS
AS_IF([test AS_VAR_GET(ac_var) = yes],
[AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_$1])) $3],
[$4])dnl
AS_VAR_POPDEF([ac_var])dnl
])# AC_CHECK_FUNC
# AH_CHECK_FUNC_EXT(FUNCNAME)
# ---------------------
m4_define([AH_CHECK_FUNC_EXT],
[AH_TEMPLATE(AS_TR_CPP(HAVE_$1),
[Define to 1 if you have the `]$1[' function.])])
dnl Define an AC_DEFINE with ifndef guard.
dnl AC_N_DEFINE(VARIABLE [, VALUE])
define(AC_N_DEFINE,
[cat >> confdefs.h <<\EOF
[#ifndef] $1
[#define] $1 ifelse($#, 2, [$2], $#, 3, [$2], 1)
[#endif]
EOF
])
dnl Add an #include
dnl AC_ADD_INCLUDE(VARIABLE)
define(AC_ADD_INCLUDE,
[cat >> confdefs.h <<\EOF
[#include] $1
EOF
])
dnl Copied from libtool.m4
AC_DEFUN(AC_PROG_LD_GNU,
[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
ac_cv_prog_gnu_ld=yes
else
ac_cv_prog_gnu_ld=no
fi])
])
dnl Removes -I/usr/include/? from given variable
AC_DEFUN(CFLAGS_REMOVE_USR_INCLUDE,[
ac_new_flags=""
for i in [$]$1; do
case [$]i in
-I/usr/include|-I/usr/include/) ;;
*) ac_new_flags="[$]ac_new_flags [$]i" ;;
esac
done
$1=[$]ac_new_flags
])
dnl Removes '-L/usr/lib[/]', '-Wl,-rpath,/usr/lib[/]'
dnl and '-Wl,-rpath -Wl,/usr/lib[/]' from given variable
AC_DEFUN(LIB_REMOVE_USR_LIB,[
ac_new_flags=""
l=""
for i in [$]$1; do
case [$]l[$]i in
-L/usr/lib) ;;
-L/usr/lib/) ;;
-Wl,-rpath,/usr/lib) ;;
-Wl,-rpath,/usr/lib/) ;;
-Wl,-rpath) l=[$]i;;
-Wl,-rpath-Wl,/usr/lib) l="";;
-Wl,-rpath-Wl,/usr/lib/) l="";;
*)
s=" "
if test x"[$]ac_new_flags" = x""; then
s="";
fi
if test x"[$]l" = x""; then
ac_new_flags="[$]ac_new_flags[$]s[$]i";
else
ac_new_flags="[$]ac_new_flags[$]s[$]l [$]i";
fi
l=""
;;
esac
done
$1=[$]ac_new_flags
])
dnl From Bruno Haible.
AC_DEFUN(jm_ICONV,
[
dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
dnl those with the standalone portable libiconv installed).
AC_MSG_CHECKING(for iconv in $1)
jm_cv_func_iconv="no"
jm_cv_lib_iconv=""
jm_cv_giconv=no
jm_save_LIBS="$LIBS"
dnl Check for include in funny place but no lib needed
if test "$jm_cv_func_iconv" != yes; then
AC_TRY_LINK([#include <stdlib.h>
#include <giconv.h>],
[iconv_t cd = iconv_open("","");
iconv(cd,NULL,NULL,NULL,NULL);
iconv_close(cd);],
jm_cv_func_iconv=yes
jm_cv_include="giconv.h"
jm_cv_giconv="yes"
jm_cv_lib_iconv="")
dnl Standard iconv.h include, lib in glibc or libc ...
if test "$jm_cv_func_iconv" != yes; then
AC_TRY_LINK([#include <stdlib.h>
#include <iconv.h>],
[iconv_t cd = iconv_open("","");
iconv(cd,NULL,NULL,NULL,NULL);
iconv_close(cd);],
jm_cv_include="iconv.h"
jm_cv_func_iconv=yes
jm_cv_lib_iconv="")
if test "$jm_cv_lib_iconv" != yes; then
jm_save_LIBS="$LIBS"
LIBS="$LIBS -lgiconv"
AC_TRY_LINK([#include <stdlib.h>
#include <giconv.h>],
[iconv_t cd = iconv_open("","");
iconv(cd,NULL,NULL,NULL,NULL);
iconv_close(cd);],
jm_cv_lib_iconv=yes
jm_cv_func_iconv=yes
jm_cv_include="giconv.h"
jm_cv_giconv=yes
jm_cv_lib_iconv="giconv")
LIBS="$jm_save_LIBS"
if test "$jm_cv_func_iconv" != yes; then
jm_save_LIBS="$LIBS"
LIBS="$LIBS -liconv"
AC_TRY_LINK([#include <stdlib.h>
#include <iconv.h>],
[iconv_t cd = iconv_open("","");
iconv(cd,NULL,NULL,NULL,NULL);
iconv_close(cd);],
jm_cv_include="iconv.h"
jm_cv_func_iconv=yes
jm_cv_lib_iconv="iconv")
LIBS="$jm_save_LIBS"
if test "$jm_cv_lib_iconv" != yes; then
jm_save_LIBS="$LIBS"
LIBS="$LIBS -lbiconv"
AC_TRY_LINK([#include <stdlib.h>
#include <biconv.h>],
[iconv_t cd = iconv_open("","");
iconv(cd,NULL,NULL,NULL,NULL);
iconv_close(cd);],
jm_cv_lib_iconv=yes
jm_cv_func_iconv=yes
jm_cv_include="biconv.h"
jm_cv_biconv=yes
jm_cv_lib_iconv="biconv")
LIBS="$jm_save_LIBS"
fi
fi
fi
fi
fi
if test "$jm_cv_func_iconv" = yes; then
if test "$jm_cv_giconv" = yes; then
AC_DEFINE(HAVE_GICONV, 1, [What header to include for iconv() function: giconv.h])
AC_MSG_RESULT(yes)
ICONV_FOUND=yes
else
if test "$jm_cv_biconv" = yes; then
AC_DEFINE(HAVE_BICONV, 1, [What header to include for iconv() function: biconv.h])
AC_MSG_RESULT(yes)
ICONV_FOUND=yes
else
AC_DEFINE(HAVE_ICONV, 1, [What header to include for iconv() function: iconv.h])
AC_MSG_RESULT(yes)
ICONV_FOUND=yes
fi
fi
else
AC_MSG_RESULT(no)
fi
])
AC_DEFUN(rjs_CHARSET,[
dnl Find out if we can convert from $1 to UCS2-LE
AC_MSG_CHECKING([can we convert from $1 to UCS2-LE?])
AC_TRY_RUN([
#include <$jm_cv_include>
main(){
iconv_t cd = iconv_open("$1", "UCS-2LE");
if (cd == 0 || cd == (iconv_t)-1) {
return -1;
}
return 0;
}
],ICONV_CHARSET=$1,ICONV_CHARSET=no,ICONV_CHARSET=cross)
AC_MSG_RESULT($ICONV_CHARSET)
])
dnl AC_ENABLE_SHARED - implement the --enable-shared flag
dnl Usage: AC_ENABLE_SHARED[(DEFAULT)]
dnl Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
dnl `yes'.
AC_DEFUN([AC_ENABLE_SHARED],
[define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
AC_ARG_ENABLE(shared,
changequote(<<, >>)dnl
<< --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
changequote([, ])dnl
[p=${PACKAGE-default}
case $enableval in
yes) enable_shared=yes ;;
no) enable_shared=no ;;
*)
enable_shared=no
# Look at the argument we got. We use all the common list separators.
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
for pkg in $enableval; do
if test "X$pkg" = "X$p"; then
enable_shared=yes
fi
done
IFS="$ac_save_ifs"
;;
esac],
enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
])
dnl AC_ENABLE_STATIC - implement the --enable-static flag
dnl Usage: AC_ENABLE_STATIC[(DEFAULT)]
dnl Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
dnl `yes'.
AC_DEFUN([AC_ENABLE_STATIC],
[define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
AC_ARG_ENABLE(static,
changequote(<<, >>)dnl
<< --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
changequote([, ])dnl
[p=${PACKAGE-default}
case $enableval in
yes) enable_static=yes ;;
no) enable_static=no ;;
*)
enable_static=no
# Look at the argument we got. We use all the common list separators.
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
for pkg in $enableval; do
if test "X$pkg" = "X$p"; then
enable_static=yes
fi
done
IFS="$ac_save_ifs"
;;
esac],
enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
])
dnl AC_DISABLE_STATIC - set the default static flag to --disable-static
AC_DEFUN([AC_DISABLE_STATIC],
[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
AC_ENABLE_STATIC(no)])
dnl AC_TRY_RUN_STRICT(PROGRAM,CFLAGS,CPPFLAGS,LDFLAGS,
dnl [ACTION-IF-TRUE],[ACTION-IF-FALSE],
dnl [ACTION-IF-CROSS-COMPILING = RUNTIME-ERROR])
AC_DEFUN( [AC_TRY_RUN_STRICT],
[
old_CFLAGS="$CFLAGS";
CFLAGS="$2";
export CFLAGS;
old_CPPFLAGS="$CPPFLAGS";
CPPFLAGS="$3";
export CPPFLAGS;
old_LDFLAGS="$LDFLAGS";
LDFLAGS="$4";
export LDFLAGS;
AC_TRY_RUN([$1],[$5],[$6],[$7])
CFLAGS="$old_CFLAGS";
old_CFLAGS="";
export CFLAGS;
CPPFLAGS="$old_CPPFLAGS";
old_CPPFLAGS="";
export CPPFLAGS;
LDFLAGS="$old_LDFLAGS";
old_LDFLAGS="";
export LDFLAGS;
])
dnl SMB_CHECK_SYSCONF(varname)
dnl Tests whether the sysconf(3) variable "varname" is available.
AC_DEFUN([SMB_CHECK_SYSCONF],
[
AC_CACHE_CHECK([for sysconf($1)],
samba_cv_SYSCONF$1,
[
AC_TRY_LINK([#include <unistd.h>],
[ return sysconf($1) == -1 ? 1 : 0; ],
[ samba_cv_SYSCONF$1=yes ],
[ samba_cv_SYSCONF$1=no ])
])
if test x"$samba_cv_SYSCONF$1" = x"yes" ; then
AC_DEFINE(SYSCONF$1, 1, [Whether sysconf($1) is available])
fi
])
dnl SMB_IS_LIBPTHREAD_LINKED([actions if true], [actions if false])
dnl Test whether the current LIBS results in libpthread being present.
dnl Execute the corresponding user action list.
AC_DEFUN([SMB_IS_LIBPTHREAD_LINKED],
[
AC_MSG_CHECKING(if libpthread is linked)
AC_TRY_LINK([],
[return pthread_create(0, 0, 0, 0);],
[
AC_MSG_RESULT(yes)
$1
],
[
AC_MSG_RESULT(no)
$2
])
])
dnl SMB_REMOVE_LIB(lib)
dnl Remove the given library from $LIBS
AC_DEFUN([SMB_REMOVE_LIB],
[
LIBS=`echo $LIBS | sed '-es/-l$1//g'`
])
dnl SMB_CHECK_DMAPI([actions if true], [actions if false])
dnl Check whether DMAPI is available and is a version that we know
dnl how to deal with. The default truth action is to set samba_dmapi_libs
dnl to the list of necessary libraries, and to define USE_DMAPI.
AC_DEFUN([SMB_CHECK_DMAPI],
[
samba_dmapi_libs=""
if test x"$samba_dmapi_libs" = x"" ; then
AC_CHECK_LIB(dm, dm_get_eventlist,
[ samba_dmapi_libs="-ldm"], [])
fi
if test x"$samba_dmapi_libs" = x"" ; then
AC_CHECK_LIB(jfsdm, dm_get_eventlist,
[samba_dmapi_libs="-ljfsdm"], [])
fi
if test x"$samba_dmapi_libs" = x"" ; then
AC_CHECK_LIB(xdsm, dm_get_eventlist,
[samba_dmapi_libs="-lxdsm"], [])
fi
if test x"$samba_dmapi_libs" = x"" ; then
AC_CHECK_LIB(dmapi, dm_get_eventlist,
[samba_dmapi_libs="-ldmapi"], [])
fi
# Only bother to test ehaders if we have a candidate DMAPI library
if test x"$samba_dmapi_libs" != x"" ; then
AC_CHECK_HEADERS(sys/dmi.h xfs/dmapi.h sys/jfsdmapi.h sys/dmapi.h dmapi.h)
fi
if test x"$samba_dmapi_libs" != x"" ; then
samba_dmapi_save_LIBS="$LIBS"
LIBS="$LIBS $samba_dmapi_libs"
AC_TRY_LINK(
[
#include <time.h> /* needed by Tru64 */
#include <sys/types.h> /* needed by AIX */
#ifdef HAVE_XFS_DMAPI_H
#include <xfs/dmapi.h>
#elif defined(HAVE_SYS_DMI_H)
#include <sys/dmi.h>
#elif defined(HAVE_SYS_JFSDMAPI_H)
#include <sys/jfsdmapi.h>
#elif defined(HAVE_SYS_DMAPI_H)
#include <sys/dmapi.h>
#elif defined(HAVE_DMAPI_H)
#include <dmapi.h>
#endif
],
[
/* This link test is designed to fail on IRI 6.4, but should
* succeed on Linux, IRIX 6.5 and AIX.
*/
char * version;
dm_eventset_t events;
/* This doesn't take an argument on IRIX 6.4. */
dm_init_service(&version);
/* IRIX 6.4 expects events to be a pointer. */
DMEV_ISSET(DM_EVENT_READ, events);
],
[
true # DMAPI link test succeeded
],
[
# DMAPI link failure
samba_dmapi_libs=
])
LIBS="$samba_dmapi_save_LIBS"
fi
if test x"$samba_dmapi_libs" = x"" ; then
# DMAPI detection failure actions begin
ifelse($2, [],
[
AC_ERROR(Failed to detect a supported DMAPI implementation)
],
[
$2
])
# DMAPI detection failure actions end
else
# DMAPI detection success actions start
ifelse($1, [],
[
AC_DEFINE(USE_DMAPI, 1,
[Whether we should build DMAPI integration components])
AC_MSG_NOTICE(Found DMAPI support in $samba_dmapi_libs)
],
[
$1
])
# DMAPI detection success actions end
fi
])
dnl SMB_CHECK_CLOCK_ID(clockid)
dnl Test whether the specified clock_gettime clock ID is available. If it
dnl is, we define HAVE_clockid
AC_DEFUN([SMB_CHECK_CLOCK_ID],
[
AC_MSG_CHECKING(for $1)
AC_TRY_LINK([
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
],
[
clockid_t clk = $1;
],
[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_$1, 1,
[Whether the clock_gettime clock ID $1 is available])
],
[
AC_MSG_RESULT(no)
])
])
dnl SMB_IF_RTSIGNAL_BUG([actions if true],
dnl [actions if false],
dnl [actions if cross compiling])
dnl Test whether we can call sigaction with RT_SIGNAL_NOTIFY and
dnl RT_SIGNAL_LEASE (also RT_SIGNAL_AIO for good measure, though
dnl I don't believe that triggers any bug.
dnl
dnl See the samba-technical thread titled "Failed to setup
dnl RT_SIGNAL_NOTIFY handler" for details on the bug in question.
AC_DEFUN([SMB_IF_RTSIGNAL_BUG],
[
rt_signal_notify_works=yes
rt_signal_lease_works=yes
rt_signal_aio_works=yes
AC_MSG_CHECKING(if sigaction works with realtime signals)
AC_TRY_RUN(
[
#include <sys/types.h>
#include <fcntl.h>
#include <signal.h>
/* from smbd/notify_kernel.c */
#ifndef RT_SIGNAL_NOTIFY
#define RT_SIGNAL_NOTIFY (SIGRTMIN+2)
#endif
/* from smbd/aio.c */
#ifndef RT_SIGNAL_AIO
#define RT_SIGNAL_AIO (SIGRTMIN+3)
#endif
/* from smbd/oplock_linux.c */
#ifndef RT_SIGNAL_LEASE
#define RT_SIGNAL_LEASE (SIGRTMIN+1)
#endif
static void signal_handler(int sig, siginfo_t *info, void *unused)
{
int do_nothing = 0;
}
int main(void)
{
int result = 0;
struct sigaction act = {0};
act.sa_sigaction = signal_handler;
act.sa_flags = SA_SIGINFO;
sigemptyset( &act.sa_mask );
if (sigaction(RT_SIGNAL_LEASE, &act, 0) != 0) {
/* Failed to setup RT_SIGNAL_LEASE handler */
result += 1;
}
if (sigaction(RT_SIGNAL_NOTIFY, &act, 0) != 0) {
/* Failed to setup RT_SIGNAL_NOTIFY handler */
result += 10;
}
if (sigaction(RT_SIGNAL_AIO, &act, 0) != 0) {
/* Failed to setup RT_SIGNAL_AIO handler */
result += 100;
}
/* zero on success */
return result;
}
],
[
AC_MSG_RESULT(yes)
$2
],
[
AC_MSG_RESULT(no)
case "$ac_status" in
1|11|101|111) rt_signal_lease_ok=no ;;
esac
case "$ac_status" in
10|11|110|111) rt_signal_notify_ok=no ;;
esac
case "$ac_status" in
100|110|101|111) rt_signal_aio_ok=no ;;
esac
$2
],
[
AC_MSG_RESULT(cross)
$3
])
])
m4_include(lib/replace/libreplace.m4)
|