first public release of samba4 code

(This used to be commit b0510b5428b3461aeb9bbe3cc95f62fc73e2b97f)

1 files changed, 643 insertions, 0 deletions

diff --git a/source4/aclocal.m4 b/source4/aclocal.m4
new file mode 100644
index 0000000000..7bec88dd87
--- /dev/null
+++ b/source4/aclocal.m4
@@ -0,0 +1,643 @@
+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,
+[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 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 $1() is available])
+ fi
+])
+
+
+dnl check for a function in a library, but don't
+dnl keep adding the same library to the LIBS variable.
+dnl AC_LIBTESTFUNC(lib,func)
+AC_DEFUN(AC_LIBTESTFUNC,
+[case "$LIBS" in
+  *-l$1*) AC_CHECK_FUNCS($2) ;;
+  *) AC_CHECK_LIB($1, $2) 
+     AC_CHECK_FUNCS($2)
+  ;;
+  esac
+])
+
+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 $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
+  ac_cv_prog_gnu_ld=yes
+else
+  ac_cv_prog_gnu_ld=no
+fi])
+])
+
+# Configure paths for LIBXML2
+# Toshio Kuratomi 2001-04-21
+# Adapted from:
+# Configure paths for GLIB
+# Owen Taylor     97-11-3
+
+dnl AM_PATH_XML2([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
+dnl Test for XML, and define XML_CFLAGS and XML_LIBS
+dnl
+AC_DEFUN(AM_PATH_XML2,[ 
+AC_ARG_WITH(xml-prefix,
+            [  --with-xml-prefix=PFX   Prefix where libxml is installed (optional)],
+            xml_config_prefix="$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, &micro) != 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="$withval", mysql_exec_prefix="")
+AC_ARG_ENABLE(mysqltest, [  --disable-mysqltest       Do not try to compile and run a test MYSQL program],
+         , enable_mysqltest=yes)
+
+  if test x$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)
+  min_mysql_version=ifelse([$1], ,0.11.0,$1)
+  AC_MSG_CHECKING(for MYSQL - version >= $min_mysql_version)
+  no_mysql=""
+  if test "$MYSQL_CONFIG" = "no" ; then
+    no_mysql=yes
+  else
+    MYSQL_CFLAGS=`$MYSQL_CONFIG $mysqlconf_args --cflags | sed -e "s/'//g"`
+    MYSQL_LIBS=`$MYSQL_CONFIG $mysqlconf_args --libs | sed -e "s/'//g"`
+
+    mysql_major_version=`$MYSQL_CONFIG $mysql_args --version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+    mysql_minor_version=`$MYSQL_CONFIG $mysql_args --version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+    mysql_micro_version=`$MYSQL_CONFIG $mysql_config_args --version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+    if test "x$enable_mysqltest" = "xyes" ; then
+      ac_save_CFLAGS="$CFLAGS"
+      ac_save_LIBS="$LIBS"
+      CFLAGS="$CFLAGS $MYSQL_CFLAGS"
+      LIBS="$LIBS $MYSQL_LIBS"
+dnl
+dnl Now check if the installed MYSQL is sufficiently new. (Also sanity
+dnl checks the results of mysql_config to some extent
+dnl
+      rm -f conf.mysqltest
+      AC_TRY_RUN([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <mysql.h>
+
+char*
+my_strdup (char *str)
+{
+  char *new_str;
+
+  if (str)
+    {
+      new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
+      strcpy (new_str, str);
+    }
+  else
+    new_str = NULL;
+
+  return new_str;
+}
+
+int main (int argc, char *argv[])
+{
+int major, minor, micro;
+  char *tmp_version;
+
+  /* This hangs on some systems (?)
+  system ("touch conf.mysqltest");
+  */
+  { FILE *fp = fopen("conf.mysqltest", "a"); if ( fp ) fclose(fp); }
+
+  /* HP/UX 9 (%@#!) writes to sscanf strings */
+  tmp_version = my_strdup("$min_mysql_version");
+  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
+     printf("%s, bad version string\n", "$min_mysql_version");
+     exit(1);
+   }
+
+   if (($mysql_major_version > major) ||
+      (($mysql_major_version == major) && ($mysql_minor_version > minor)) ||
+      (($mysql_major_version == major) && ($mysql_minor_version == minor) && ($mysql_micro_version >= micro)))
+    {
+      return 0;
+    }
+  else
+    {
+      printf("\n*** 'mysql_config --version' returned %d.%d.%d, but the minimum version\n", $mysql_major_version, $mysql_minor_version, $mysql_micro_version);
+      printf("*** of MYSQL required is %d.%d.%d. If mysql_config is correct, then it is\n", major, minor, micro);
+      printf("*** best to upgrade to the required version.\n");
+      printf("*** If mysql_config was wrong, set the environment variable MYSQL_CONFIG\n");
+      printf("*** to point to the correct copy of mysql_config, and remove the file\n");
+      printf("*** config.cache before re-running configure\n");
+      return 1;
+    }
+}
+
+],, no_mysql=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+       CFLAGS="$ac_save_CFLAGS"
+       LIBS="$ac_save_LIBS"
+     fi
+  fi
+  if test "x$no_mysql" = x ; then
+     AC_MSG_RESULT(yes)
+     ifelse([$2], , :, [$2])
+  else
+     AC_MSG_RESULT(no)
+     if test "$MYSQL_CONFIG" = "no" ; then
+       echo "*** The mysql_config script installed by MYSQL could not be found"
+       echo "*** If MYSQL was installed in PREFIX, make sure PREFIX/bin is in"
+       echo "*** your path, or set the MYSQL_CONFIG environment variable to the"
+       echo "*** full path to mysql_config."
+     else
+       if test -f conf.mysqltest ; then
+        :
+       else
+          echo "*** Could not run MYSQL test program, checking why..."
+          CFLAGS="$CFLAGS $MYSQL_CFLAGS"
+          LIBS="$LIBS $MYSQL_LIBS"
+          AC_TRY_LINK([
+#include <stdio.h>
+#include <mysql.h>
+
+int main(int argc, char *argv[])
+{ return 0; }
+#undef  main
+#define main K_and_R_C_main
+],      [ return 0; ],
+        [ echo "*** The test program compiled, but did not run. This usually means"
+          echo "*** that the run-time linker is not finding MYSQL or finding the wrong"
+          echo "*** version of MYSQL. If it is not finding MYSQL, 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 MYSQL was incorrectly installed"
+          echo "*** or that you have moved MYSQL since it was installed. In the latter case, you"
+          echo "*** may want to edit the mysql_config script: $MYSQL_CONFIG" ])
+          CFLAGS="$ac_save_CFLAGS"
+          LIBS="$ac_save_LIBS"
+       fi
+     fi
+     MYSQL_CFLAGS=""
+     MYSQL_LIBS=""
+     ifelse([$3], , :, [$3])
+  fi
+  AC_SUBST(MYSQL_CFLAGS)
+  AC_SUBST(MYSQL_LIBS)
+  rm -f conf.mysqltest
+])
+
+dnl Removes -I/usr/include/? from given variable
+AC_DEFUN(CFLAGS_REMOVE_USR_INCLUDE,[
+  ac_new_flags=""
+  for i in [$]$1; do
+    case [$]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/? from given variable
+AC_DEFUN(LIB_REMOVE_USR_LIB,[
+  ac_new_flags=""
+  for i in [$]$1; do
+    case [$]i in
+    -L/usr/lib|-L/usr/lib/) ;;
+    *) ac_new_flags="[$]ac_new_flags [$]i" ;;
+    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 $1)
+    jm_cv_func_iconv="no"
+    jm_cv_lib_iconv=no
+    jm_cv_giconv=no
+    AC_TRY_LINK([#include <stdlib.h>
+#include <giconv.h>],
+      [iconv_t cd = iconv_open("","");
+       iconv(cd,NULL,NULL,NULL,NULL);
+       iconv_close(cd);],
+      jm_cv_func_iconv=yes
+      jm_cv_giconv=yes)
+
+    if test "$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_func_iconv=yes)
+
+        if test "$jm_cv_lib_iconv" != yes; then
+          jm_save_LIBS="$LIBS"
+          LIBS="$LIBS -lgiconv"
+          AC_TRY_LINK([#include <stdlib.h>
+#include <giconv.h>],
+            [iconv_t cd = iconv_open("","");
+             iconv(cd,NULL,NULL,NULL,NULL);
+             iconv_close(cd);],
+            jm_cv_lib_iconv=yes
+            jm_cv_func_iconv=yes
+            jm_cv_giconv=yes)
+          LIBS="$jm_save_LIBS"
+
+      if test "$jm_cv_func_iconv" != yes; then
+        jm_save_LIBS="$LIBS"
+        LIBS="$LIBS -liconv"
+        AC_TRY_LINK([#include <stdlib.h>
+#include <iconv.h>],
+          [iconv_t cd = iconv_open("","");
+           iconv(cd,NULL,NULL,NULL,NULL);
+           iconv_close(cd);],
+          jm_cv_lib_iconv=yes
+          jm_cv_func_iconv=yes)
+        LIBS="$jm_save_LIBS"
+        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
+      AC_DEFINE(HAVE_ICONV, 1, [What header to include for iconv() function: iconv.h])
+      AC_MSG_RESULT(yes)
+      ICONV_FOUND=yes
+    fi
+  else
+    AC_MSG_RESULT(no)
+  fi
+  if test "$jm_cv_lib_iconv" = yes; then
+    if test "$jm_cv_giconv" = yes; then
+      LIBS="$LIBS -lgiconv"
+    else
+      LIBS="$LIBS -liconv"
+    fi
+  fi
+])
+
+dnl CFLAGS_ADD_DIR(CFLAGS, $INCDIR)
+dnl This function doesn't add -I/usr/include into CFLAGS
+AC_DEFUN(CFLAGS_ADD_DIR,[
+if test "$2" != "/usr/include" ; then
+    $1="$$1 -I$2"
+fi
+])
+
+dnl LIB_ADD_DIR(LDFLAGS, $LIBDIR)
+dnl This function doesn't add -L/usr/lib into LDFLAGS
+AC_DEFUN(LIB_ADD_DIR,[
+if test "$2" != "/usr/lib" ; then
+    $1="$$1 -L$2"
+fi
+])
+
+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)])