-dnl AC_VALIDATE_CACHE_SYSTEM_TYPE[(cmd)]
-dnl if the cache file is inconsistent with the current host,
-dnl target and build system types, execute CMD or print a default
-dnl error message.
-AC_DEFUN(AC_VALIDATE_CACHE_SYSTEM_TYPE, [
- AC_REQUIRE([AC_CANONICAL_SYSTEM])
- AC_MSG_CHECKING([config.cache system type])
- if { test x"${ac_cv_host_system_type+set}" = x"set" &&
- test x"$ac_cv_host_system_type" != x"$host"; } ||
- { test x"${ac_cv_build_system_type+set}" = x"set" &&
- test x"$ac_cv_build_system_type" != x"$build"; } ||
- { test x"${ac_cv_target_system_type+set}" = x"set" &&
- test x"$ac_cv_target_system_type" != x"$target"; }; then
- AC_MSG_RESULT([different])
- ifelse($#, 1, [$1],
- [AC_MSG_ERROR(["you must remove config.cache and restart configure"])])
- else
- AC_MSG_RESULT([same])
- fi
- ac_cv_host_system_type="$host"
- ac_cv_build_system_type="$build"
- ac_cv_target_system_type="$target"
-])
-
-
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,
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();"
+ [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)
ifelse([$2], , :, [rm -f $2])
])
-dnl AC_PROG_CC_FLAG(flag)
-AC_DEFUN(AC_PROG_CC_FLAG,
-[AC_CACHE_CHECK(whether ${CC-cc} accepts -$1, ac_cv_prog_cc_$1,
-[echo 'void f(){}' > conftest.c
-if test -z "`${CC-cc} -$1 -c conftest.c 2>&1`"; then
- ac_cv_prog_cc_$1=yes
-else
- ac_cv_prog_cc_$1=no
-fi
-rm -f conftest*
-])])
-
-dnl see if a declaration exists for a function or variable
-dnl defines HAVE_function_DECL if it exists
-dnl AC_HAVE_DECL(var, includes)
-AC_DEFUN(AC_HAVE_DECL,
-[
- AC_CACHE_CHECK([for $1 declaration],ac_cv_have_$1_decl,[
- AC_TRY_COMPILE([$2],[int i = (int)$1],
- ac_cv_have_$1_decl=yes,ac_cv_have_$1_decl=no)])
- if test x"$ac_cv_have_$1_decl" = x"yes"; then
- AC_DEFINE([HAVE_]translit([$1], [a-z], [A-Z])[_DECL],1,[Whether $1() is available])
- fi
-])
-
-
-dnl Check for a function in a library, but don't
-dnl keep adding the same library to the LIBS variable.
-dnl Check whether the function is available in the current
-dnl LIBS before adding the library. This prevents us spuriously
-dnl finding symbols that are in libc.
-dnl AC_LIBTESTFUNC(lib,func)
-AC_DEFUN(AC_LIBTESTFUNC,
+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($2, [],
- [ case "$LIBS" in
- *-l$1*) AC_CHECK_FUNCS($2) ;;
- *) AC_CHECK_LIB($1, $2)
- AC_CHECK_FUNCS($2)
- ;;
+ 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$1
+ # nothing to do here by default
+ true
+ ])
+ ])
+ ;;
esac
])
])
fi])
])
-# Configure paths for LIBXML2
-# Toshio Kuratomi 2001-04-21
-# Adapted from:
-# Configure paths for GLIB
-# Owen Taylor 97-11-3
-
-dnl AM_PATH_XML2([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
-dnl Test for XML, and define XML_CFLAGS and XML_LIBS
-dnl
-AC_DEFUN(AM_PATH_XML2,[
-AC_ARG_WITH(xml-prefix,
- [ --with-xml-prefix=PFX Prefix where libxml is installed (optional)],
- xml_config_prefix="$withval", xml_config_prefix="")
-AC_ARG_WITH(xml-exec-prefix,
- [ --with-xml-exec-prefix=PFX Exec prefix where libxml is installed (optional)],
- xml_config_exec_prefix="$withval", xml_config_exec_prefix="")
-AC_ARG_ENABLE(xmltest,
- [ --disable-xmltest Do not try to compile and run a test LIBXML program],,
- enable_xmltest=yes)
-
- if test x$xml_config_exec_prefix != x ; then
- xml_config_args="$xml_config_args --exec-prefix=$xml_config_exec_prefix"
- if test x${XML2_CONFIG+set} != xset ; then
- XML2_CONFIG=$xml_config_exec_prefix/bin/xml2-config
- fi
- fi
- if test x$xml_config_prefix != x ; then
- xml_config_args="$xml_config_args --prefix=$xml_config_prefix"
- if test x${XML2_CONFIG+set} != xset ; then
- XML2_CONFIG=$xml_config_prefix/bin/xml2-config
- fi
- fi
-
- AC_PATH_PROG(XML2_CONFIG, xml2-config, no)
- min_xml_version=ifelse([$1], ,2.0.0,[$1])
- AC_MSG_CHECKING(for libxml - version >= $min_xml_version)
- no_xml=""
- if test "$XML2_CONFIG" = "no" ; then
- no_xml=yes
- else
- XML_CFLAGS=`$XML2_CONFIG $xml_config_args --cflags`
- XML_LIBS=`$XML2_CONFIG $xml_config_args --libs`
- xml_config_major_version=`$XML2_CONFIG $xml_config_args --version | \
- sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
- xml_config_minor_version=`$XML2_CONFIG $xml_config_args --version | \
- sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
- xml_config_micro_version=`$XML2_CONFIG $xml_config_args --version | \
- sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
- if test "x$enable_xmltest" = "xyes" ; then
- ac_save_CFLAGS="$CFLAGS"
- ac_save_LIBS="$LIBS"
- CFLAGS="$CFLAGS $XML_CFLAGS"
- LIBS="$XML_LIBS $LIBS"
-dnl
-dnl Now check if the installed libxml is sufficiently new.
-dnl (Also sanity checks the results of xml2-config to some extent)
-dnl
- rm -f conf.xmltest
- AC_TRY_RUN([
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <libxml/xmlversion.h>
-
-int
-main()
-{
- int xml_major_version, xml_minor_version, xml_micro_version;
- int major, minor, micro;
- char *tmp_version;
-
- system("touch conf.xmltest");
-
- /* Capture xml2-config output via autoconf/configure variables */
- /* HP/UX 9 (%@#!) writes to sscanf strings */
- tmp_version = (char *)strdup("$min_xml_version");
- if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
- printf("%s, bad version string from xml2-config\n", "$min_xml_version");
- exit(1);
- }
- free(tmp_version);
-
- /* Capture the version information from the header files */
- tmp_version = (char *)strdup(LIBXML_DOTTED_VERSION);
- if (sscanf(tmp_version, "%d.%d.%d", &xml_major_version, &xml_minor_version, &xml_micro_version) != 3) {
- printf("%s, bad version string from libxml includes\n", "LIBXML_DOTTED_VERSION");
- exit(1);
- }
- free(tmp_version);
-
- /* Compare xml2-config output to the libxml headers */
- if ((xml_major_version != $xml_config_major_version) ||
- (xml_minor_version != $xml_config_minor_version) ||
- (xml_micro_version != $xml_config_micro_version))
- {
- printf("*** libxml header files (version %d.%d.%d) do not match\n",
- xml_major_version, xml_minor_version, xml_micro_version);
- printf("*** xml2-config (version %d.%d.%d)\n",
- $xml_config_major_version, $xml_config_minor_version, $xml_config_micro_version);
- return 1;
- }
-/* Compare the headers to the library to make sure we match */
- /* Less than ideal -- doesn't provide us with return value feedback,
- * only exits if there's a serious mismatch between header and library.
- */
- LIBXML_TEST_VERSION;
-
- /* Test that the library is greater than our minimum version */
- if ((xml_major_version > major) ||
- ((xml_major_version == major) && (xml_minor_version > minor)) ||
- ((xml_major_version == major) && (xml_minor_version == minor) &&
- (xml_micro_version >= micro)))
- {
- return 0;
- }
- else
- {
- printf("\n*** An old version of libxml (%d.%d.%d) was found.\n",
- xml_major_version, xml_minor_version, xml_micro_version);
- printf("*** You need a version of libxml newer than %d.%d.%d. The latest version of\n",
- major, minor, micro);
- printf("*** libxml is always available from ftp://ftp.xmlsoft.org.\n");
- printf("***\n");
- printf("*** If you have already installed a sufficiently new version, this error\n");
- printf("*** probably means that the wrong copy of the xml2-config shell script is\n");
- printf("*** being found. The easiest way to fix this is to remove the old version\n");
- printf("*** of LIBXML, but you can also set the XML2_CONFIG environment to point to the\n");
- printf("*** correct copy of xml2-config. (In this case, you will have to\n");
- printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
- printf("*** so that the correct libraries are found at run-time))\n");
- }
- return 1;
-}
-],, no_xml=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
- CFLAGS="$ac_save_CFLAGS"
- LIBS="$ac_save_LIBS"
- fi
- fi
-
- if test "x$no_xml" = x ; then
- AC_MSG_RESULT(yes (version $xml_config_major_version.$xml_config_minor_version.$xml_config_micro_version))
- ifelse([$2], , :, [$2])
- else
- AC_MSG_RESULT(no)
- if test "$XML2_CONFIG" = "no" ; then
- echo "*** The xml2-config script installed by LIBXML could not be found"
- echo "*** If libxml was installed in PREFIX, make sure PREFIX/bin is in"
- echo "*** your path, or set the XML2_CONFIG environment variable to the"
- echo "*** full path to xml2-config."
- else
- if test -f conf.xmltest ; then
- :
- else
- echo "*** Could not run libxml test program, checking why..."
- CFLAGS="$CFLAGS $XML_CFLAGS"
- LIBS="$LIBS $XML_LIBS"
- AC_TRY_LINK([
-#include <libxml/xmlversion.h>
-#include <stdio.h>
-], [ LIBXML_TEST_VERSION; return 0;],
- [ echo "*** The test program compiled, but did not run. This usually means"
- echo "*** that the run-time linker is not finding LIBXML or finding the wrong"
- echo "*** version of LIBXML. If it is not finding LIBXML, you'll need to set your"
- echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
- echo "*** to the installed location Also, make sure you have run ldconfig if that"
- echo "*** is required on your system"
- echo "***"
- echo "*** If you have an old version installed, it is best to remove it, although"
- echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
- [ echo "*** The test program failed to compile or link. See the file config.log for the"
- echo "*** exact error that occured. This usually means LIBXML was incorrectly installed"
- echo "*** or that you have moved LIBXML since it was installed. In the latter case, you"
- echo "*** may want to edit the xml2-config script: $XML2_CONFIG" ])
- CFLAGS="$ac_save_CFLAGS"
- LIBS="$ac_save_LIBS"
- fi
- fi
-
- XML_CFLAGS=""
- XML_LIBS=""
- ifelse([$3], , :, [$3])
- fi
- AC_SUBST(XML_CFLAGS)
- AC_SUBST(XML_LIBS)
- rm -f conf.xmltest
-])
-
-# =========================================================================
-# AM_PATH_MYSQL : MySQL library
-
-dnl AM_PATH_MYSQL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
-dnl Test for MYSQL, and define MYSQL_CFLAGS and MYSQL_LIBS
-dnl
-AC_DEFUN(AM_PATH_MYSQL,
-[dnl
-dnl Get the cflags and libraries from the mysql_config script
-dnl
-AC_ARG_WITH(mysql-prefix,[ --with-mysql-prefix=PFX Prefix where MYSQL is installed (optional)],
- mysql_prefix="$withval", mysql_prefix="")
-AC_ARG_WITH(mysql-exec-prefix,[ --with-mysql-exec-prefix=PFX Exec prefix where MYSQL is installed (optional)],
- mysql_exec_prefix="$withval", mysql_exec_prefix="")
-
- if test x$mysql_exec_prefix != x ; then
- mysql_args="$mysql_args --exec-prefix=$mysql_exec_prefix"
- if test x${MYSQL_CONFIG+set} != xset ; then
- MYSQL_CONFIG=$mysql_exec_prefix/bin/mysql_config
- fi
- fi
- if test x$mysql_prefix != x ; then
- mysql_args="$mysql_args --prefix=$mysql_prefix"
- if test x${MYSQL_CONFIG+set} != xset ; then
- MYSQL_CONFIG=$mysql_prefix/bin/mysql_config
- fi
- fi
-
- AC_REQUIRE([AC_CANONICAL_TARGET])
- AC_PATH_PROG(MYSQL_CONFIG, mysql_config, no)
- AC_MSG_CHECKING(for MYSQL)
- no_mysql=""
- if test "$MYSQL_CONFIG" = "no" ; then
- MYSQL_CFLAGS=""
- MYSQL_LIBS=""
- AC_MSG_RESULT(no)
- ifelse([$2], , :, [$2])
- else
- MYSQL_CFLAGS=`$MYSQL_CONFIG $mysqlconf_args --cflags | sed -e "s/'//g"`
- MYSQL_LIBS=`$MYSQL_CONFIG $mysqlconf_args --libs | sed -e "s/'//g"`
- AC_MSG_RESULT(yes)
- ifelse([$1], , :, [$1])
- fi
- AC_SUBST(MYSQL_CFLAGS)
- AC_SUBST(MYSQL_LIBS)
-])
-
-# =========================================================================
-# AM_PATH_PGSQL : pgSQL library
-
-dnl AM_PATH_PGSQL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
-dnl Test for PGSQL, and define PGSQL_CFLAGS and PGSQL_LIBS
-dnl
-AC_DEFUN(AM_PATH_PGSQL,
-[dnl
-dnl Get the cflags and libraries from the pg_config script
-dnl
-AC_ARG_WITH(pgsql-prefix,[ --with-pgsql-prefix=PFX Prefix where PostgreSQL is installed (optional)],
- pgsql_prefix="$withval", pgsql_prefix="")
-AC_ARG_WITH(pgsql-exec-prefix,[ --with-pgsql-exec-prefix=PFX Exec prefix where PostgreSQL is installed (optional)],
- pgsql_exec_prefix="$withval", pgsql_exec_prefix="")
-
- if test x$pgsql_exec_prefix != x ; then
- if test x${PGSQL_CONFIG+set} != xset ; then
- PGSQL_CONFIG=$pgsql_exec_prefix/bin/pg_config
- fi
- fi
- if test x$pgsql_prefix != x ; then
- if test x${PGSQL_CONFIG+set} != xset ; then
- PGSQL_CONFIG=$pgsql_prefix/bin/pg_config
- fi
- fi
-
- AC_REQUIRE([AC_CANONICAL_TARGET])
- AC_PATH_PROG(PGSQL_CONFIG, pg_config, no, [$PATH:/usr/lib/postgresql/bin])
- AC_MSG_CHECKING(for PGSQL)
- no_pgsql=""
- if test "$PGSQL_CONFIG" = "no" ; then
- PGSQL_CFLAGS=""
- PGSQL_LIBS=""
- AC_MSG_RESULT(no)
- ifelse([$2], , :, [$2])
- else
- PGSQL_CFLAGS=-I`$PGSQL_CONFIG --includedir`
- PGSQL_LIBS="-lpq -L`$PGSQL_CONFIG --libdir`"
- AC_MSG_RESULT(yes)
- ifelse([$1], , :, [$1])
- fi
- AC_SUBST(PGSQL_CFLAGS)
- AC_SUBST(PGSQL_LIBS)
-])
-
dnl Removes -I/usr/include/? from given variable
AC_DEFUN(CFLAGS_REMOVE_USR_INCLUDE,[
ac_new_flags=""
done
$1=[$]ac_new_flags
])
-
-dnl Removes -L/usr/lib/? from given variable
+
+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 [$]$1; do
- case [$]i in
- -L/usr/lib|-L/usr/lib/) ;;
- *) ac_new_flags="[$]ac_new_flags [$]i" ;;
+ 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
old_LDFLAGS="$LDFLAGS";
LDFLAGS="$4";
export LDFLAGS;
- AC_TRY_RUN([$1],[$5],[$6],[$7]);
+ AC_TRY_RUN([$1],[$5],[$6],[$7])
CFLAGS="$old_CFLAGS";
old_CFLAGS="";
export CFLAGS;
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)
git.samba.org / tprouty / samba.git / blobdiff