Make mutt-nntp depend on mutt >= 1.5.21-5

[software/mutt-debian.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 01696769ae2f3ee9b95b65a0fec6ab66b3ce9d19..5a8c7f0eccceb4287c7e9a5abee1453e6e267d6c 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -88,10 +88,18 @@ AH_TEMPLATE([ICONV_NONTRANS],
 AH_BOTTOM([/* fseeko portability defines */
 #ifdef HAVE_FSEEKO
 # define LOFF_T off_t
 AH_BOTTOM([/* fseeko portability defines */
 #ifdef HAVE_FSEEKO
 # define LOFF_T off_t

-# if SIZEOF_OFF_T == 8
-#  define OFF_T_FMT "%lld"
+# if HAVE_C99_INTTYPES && HAVE_INTTYPES_H
+#  if SIZEOF_OFF_T == 8
+#   define OFF_T_FMT "%" PRId64
+#  else
+#   define OFF_T_FMT "%" PRId32
+#  endif

 # else
 # else

-#  define OFF_T_FMT "%ld"
+#  if (SIZEOF_OFF_T == 8) && (SIZEOF_LONG == 4)
+#   define OFF_T_FMT "%lld"
+#  else
+#   define OFF_T_FMT "%ld"
+#  endif

 # endif
 #else
 # define LOFF_T long
 # endif
 #else
 # define LOFF_T long


@@ -101,6 +109,7 @@ AH_BOTTOM([/* fseeko portability defines */
 #endif
 ])
 MUTT_C99_INTTYPES
 #endif
 ])
 MUTT_C99_INTTYPES

+AC_TYPE_LONG_LONG_INT

 
 ac_aux_path_sendmail=/usr/sbin:/usr/lib
 AC_PATH_PROG(SENDMAIL, sendmail, /usr/sbin/sendmail, $PATH:$ac_aux_path_sendmail)
 
 ac_aux_path_sendmail=/usr/sbin:/usr/lib
 AC_PATH_PROG(SENDMAIL, sendmail, /usr/sbin/sendmail, $PATH:$ac_aux_path_sendmail)


@@ -158,7 +167,7 @@ if test x$have_smime != xno ; then
        SMIMEAUX_TARGET="smime_keys"
 fi
 
        SMIMEAUX_TARGET="smime_keys"
 fi
 

-AC_ARG_WITH(mixmaster, AC_HELP_STRING([--with-mixmaster[=PATH]], [Include Mixmaster support]),
+AC_ARG_WITH(mixmaster, AC_HELP_STRING([--with-mixmaster@<:@=PATH@:>@], [Include Mixmaster support]),

   [if test "$withval" != no
    then
      if test -x "$withval"
   [if test "$withval" != no
    then
      if test -x "$withval"


@@ -184,7 +193,7 @@ if test $ISPELL != no; then
         AC_DEFINE_UNQUOTED(ISPELL,"$ISPELL",[ Where to find ispell on your system. ])
 fi
 
         AC_DEFINE_UNQUOTED(ISPELL,"$ISPELL",[ Where to find ispell on your system. ])
 fi
 

-AC_ARG_WITH(slang, AC_HELP_STRING([--with-slang[=DIR]], [Use S-Lang instead of ncurses]),
+AC_ARG_WITH(slang, AC_HELP_STRING([--with-slang@<:@=DIR@:>@], [Use S-Lang instead of ncurses]),

         [AC_CACHE_CHECK([if this is a BSD system], mutt_cv_bsdish,
                 [AC_TRY_RUN([#include <sys/param.h>
 #include <stdlib.h>
         [AC_CACHE_CHECK([if this is a BSD system], mutt_cv_bsdish,
                 [AC_TRY_RUN([#include <sys/param.h>
 #include <stdlib.h>


@@ -335,7 +344,8 @@ AC_CHECK_TYPE(ssize_t, int)
 
 AC_CHECK_FUNCS(fgetpos memmove setegid srand48 strerror)
 
 
 AC_CHECK_FUNCS(fgetpos memmove setegid srand48 strerror)
 

-AC_REPLACE_FUNCS([setenv strcasecmp strdup strsep strtok_r])
+AC_REPLACE_FUNCS([setenv strcasecmp strdup strsep strtok_r wcscasecmp])
+AC_REPLACE_FUNCS([strcasestr mkdtemp])

 
 AC_CHECK_FUNC(getopt)
 if test $ac_cv_func_getopt = yes; then
 
 AC_CHECK_FUNC(getopt)
 if test $ac_cv_func_getopt = yes; then


@@ -435,7 +445,7 @@ fi
 
 
 AC_ARG_WITH(homespool,
 
 
 AC_ARG_WITH(homespool,

-  AC_HELP_STRING([--with-homespool[=FILE]], [File in user's directory where new mail is spooled]), with_homespool=${withval})
+  AC_HELP_STRING([--with-homespool@<:@=FILE@:>@], [File in user's directory where new mail is spooled]), with_homespool=${withval})

 if test x$with_homespool != x; then
         if test $with_homespool = yes; then
                 with_homespool=mailbox
 if test x$with_homespool != x; then
         if test $with_homespool = yes; then
                 with_homespool=mailbox


@@ -532,8 +542,10 @@ AC_ARG_WITH(docdir, AC_HELP_STRING([--with-docdir=PATH], [Specify where to put t
         [mutt_cv_docdir=$withval],
         [mutt_cv_docdir='${datarootdir}/doc/mutt'])
 AC_MSG_RESULT($mutt_cv_docdir)
         [mutt_cv_docdir=$withval],
         [mutt_cv_docdir='${datarootdir}/doc/mutt'])
 AC_MSG_RESULT($mutt_cv_docdir)

-
-docdir=$mutt_cv_docdir
+if test -z "$docdir" -o -n "$with_docdir"
+then
+  docdir=$mutt_cv_docdir
+fi

 AC_SUBST(docdir)
 
 if test x$mutt_cv_setgid = xyes; then
 AC_SUBST(docdir)
 
 if test x$mutt_cv_setgid = xyes; then


@@ -610,7 +622,7 @@ fi
 
 dnl -- imap dependencies --
 
 
 dnl -- imap dependencies --
 

-AC_ARG_WITH(gss, AC_HELP_STRING([--with-gss[=PFX]], [Compile in GSSAPI authentication for IMAP]), 
+AC_ARG_WITH(gss, AC_HELP_STRING([--with-gss@<:@=PFX@:>@], [Compile in GSSAPI authentication for IMAP]), 

     gss_prefix="$withval", gss_prefix="no")
 if test "$gss_prefix" != "no"
 then
     gss_prefix="$withval", gss_prefix="no")
 if test "$gss_prefix" != "no"
 then


@@ -640,7 +652,7 @@ AM_CONDITIONAL(USE_GSS, test x$need_gss = xyes)
 
 dnl -- end imap dependencies --
 
 
 dnl -- end imap dependencies --
 

-AC_ARG_WITH(ssl, AC_HELP_STRING([--with-ssl[=PFX]], [Compile in SSL support for POP/IMAP/SMTP using OpenSSL]),
+AC_ARG_WITH(ssl, AC_HELP_STRING([--with-ssl@<:@=PFX@:>@], [Enable TLS support using OpenSSL]),

 [       if test "$with_ssl" != "no"
         then
           if test "$need_socket" != "yes"; then
 [       if test "$with_ssl" != "no"
         then
           if test "$need_socket" != "yes"; then


@@ -673,7 +685,7 @@ AC_ARG_WITH(ssl, AC_HELP_STRING([--with-ssl[=PFX]], [Compile in SSL support for
         fi
 ])
 
         fi
 ])
 

-AC_ARG_WITH([gnutls], AC_HELP_STRING([--with-gnutls[=PFX]], [Compile in SSL support for POP/IMAP/SMTP using gnutls]),
+AC_ARG_WITH([gnutls], AC_HELP_STRING([--with-gnutls@<:@=PFX@:>@], [enable TLS support using gnutls]),

     [gnutls_prefix="$withval"], [gnutls_prefix="no"])
 if test "$gnutls_prefix" != "no" && test x"$need_ssl" != xyes
 then
     [gnutls_prefix="$withval"], [gnutls_prefix="no"])
 if test "$gnutls_prefix" != "no" && test x"$need_ssl" != xyes
 then


@@ -681,24 +693,33 @@ then
   then
     AC_MSG_WARN([SSL support is only useful with POP, IMAP or SMTP support])
   else
   then
     AC_MSG_WARN([SSL support is only useful with POP, IMAP or SMTP support])
   else

-    MUTT_AM_PATH_GNUTLS([$gnutls_prefix],
+    if test "$gnutls_prefix" != "yes"
+    then
+      LDFLAGS="$LDFLAGS -L$gnutls_prefix/lib"
+      CPPFLAGS="$CPPFLAGS -I$gnutls_prefix/include"
+    fi
+    saved_LIBS="$LIBS"
+
+    AC_CHECK_LIB(gnutls, gnutls_check_version,

       [dnl GNUTLS found
       [dnl GNUTLS found

-      CPPFLAGS="$CPPFLAGS $LIBGNUTLS_CFLAGS"
-      MUTTLIBS="$MUTTLIBS $LIBGNUTLS_LIBS"
+      AC_CHECK_DECLS([GNUTLS_VERIFY_DISABLE_TIME_CHECKS], [], [],
+                    [[#include <gnutls/x509.h>]])

 
 

-      AC_DEFINE(USE_SSL,1,[ Define if you want support for SSL. ])
-      AC_DEFINE(USE_SSL_GNUTLS,1,[ Define if you want support for SSL via GNUTLS. ])
+      LIBS="$saved_LIBS"
+      MUTTLIBS="$MUTTLIBS -lgnutls"
+
+      AC_DEFINE(USE_SSL, 1, [ Define if you want support for SSL. ])
+      AC_DEFINE(USE_SSL_GNUTLS, 1, [ Define if you want support for SSL via GNUTLS. ])

 
       MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS mutt_ssl_gnutls.o"
       need_ssl=yes],
 
       MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS mutt_ssl_gnutls.o"
       need_ssl=yes],

-      [dnl GNUTLS not found
-        AC_MSG_ERROR([could not find libgnutls])
-      ])
+      [AC_MSG_ERROR([could not find libgnutls])])

   fi
 fi
   fi
 fi

+

 AM_CONDITIONAL(USE_SSL, test x$need_ssl = xyes)
 
 AM_CONDITIONAL(USE_SSL, test x$need_ssl = xyes)
 

-AC_ARG_WITH(sasl, AC_HELP_STRING([--with-sasl[=PFX]], [Use Cyrus SASL 2 network security library]),
+AC_ARG_WITH(sasl, AC_HELP_STRING([--with-sasl@<:@=PFX@:>@], [Use SASL network security library]),

         [      
         if test "$with_sasl" != "no"
         then
         [      
         if test "$with_sasl" != "no"
         then


@@ -714,15 +735,19 @@ AC_ARG_WITH(sasl, AC_HELP_STRING([--with-sasl[=PFX]], [Use Cyrus SASL 2 network
           fi
 
           saved_LIBS="$LIBS"
           fi
 
           saved_LIBS="$LIBS"

+          LIBS=

 
 

-          AC_CHECK_LIB(sasl2, sasl_client_init,,
-            AC_MSG_ERROR([could not find libsasl2]),)
+          # OpenSolaris provides a SASL2 interface in libsasl
+          sasl_libs="sasl2 sasl"
+          AC_SEARCH_LIBS(sasl_encode64, [$sasl_libs],,
+                  AC_MSG_ERROR([could not find sasl lib]),)

 
 

+          MUTTLIBS="$MUTTLIBS $LIBS"

           MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS mutt_sasl.o"
           MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS mutt_sasl.o"

-          MUTTLIBS="$MUTTLIBS -lsasl2"

           LIBS="$saved_LIBS"
           LIBS="$saved_LIBS"

+

           AC_DEFINE(USE_SASL,1,
           AC_DEFINE(USE_SASL,1,

-                  [ Define if want to use the Cyrus SASL library for POP/IMAP authentication. ])
+                  [ Define if want to use the SASL library for POP/IMAP authentication. ])

           need_sasl=yes
         fi
         ])
           need_sasl=yes
         fi
         ])


@@ -765,7 +790,7 @@ AC_ARG_ENABLE(warnings, AC_HELP_STRING([--disable-warnings], [Turn off compiler
 fi])
 
 if test x$GCC = xyes && test $mutt_cv_warnings = yes; then
 fi])
 
 if test x$GCC = xyes && test $mutt_cv_warnings = yes; then

-        CFLAGS="-Wall -pedantic $CFLAGS"
+  CFLAGS="-Wall -pedantic -Wno-long-long $CFLAGS"

 fi
 
 AC_ARG_ENABLE(nfs-fix, AC_HELP_STRING([--enable-nfs-fix], [Work around an NFS with broken attributes caching]),
 fi
 
 AC_ARG_ENABLE(nfs-fix, AC_HELP_STRING([--enable-nfs-fix], [Work around an NFS with broken attributes caching]),


@@ -804,16 +829,20 @@ AC_ARG_ENABLE(exact-address, AC_HELP_STRING([--enable-exact-address], [Enable re
         fi])
 
 dnl -- start cache --
         fi])
 
 dnl -- start cache --

-use_qdbm=no
+db_found=no
+db_requested=auto

 AC_ARG_ENABLE(hcache, AC_HELP_STRING([--enable-hcache],
   [Enable header caching]))
 AC_ARG_ENABLE(hcache, AC_HELP_STRING([--enable-hcache],
   [Enable header caching]))

+AC_ARG_WITH(tokyocabinet, AC_HELP_STRING([--without-tokyocabinet],
+  [Don't use tokyocabinet even if it is available]))

 AC_ARG_WITH(qdbm, AC_HELP_STRING([--without-qdbm],
   [Don't use qdbm even if it is available]))
 AC_ARG_WITH(gdbm, AC_HELP_STRING([--without-gdbm],
   [Don't use gdbm even if it is available]))
 AC_ARG_WITH(qdbm, AC_HELP_STRING([--without-qdbm],
   [Don't use qdbm even if it is available]))
 AC_ARG_WITH(gdbm, AC_HELP_STRING([--without-gdbm],
   [Don't use gdbm even if it is available]))

-AC_ARG_WITH(bdb, AC_HELP_STRING([--with-bdb[=DIR]],
+AC_ARG_WITH(bdb, AC_HELP_STRING([--with-bdb@<:@=DIR@:>@],

   [Use BerkeleyDB4 if gdbm is not available]))
 
   [Use BerkeleyDB4 if gdbm is not available]))
 

+db_found=no

 if test x$enable_hcache = xyes
 then
     AC_DEFINE(USE_HCACHE, 1, [Enable header caching])
 if test x$enable_hcache = xyes
 then
     AC_DEFINE(USE_HCACHE, 1, [Enable header caching])


@@ -825,11 +854,64 @@ then
 
     need_md5="yes"
 
 
     need_md5="yes"
 

-    dnl hcachever.sh tool for calculating struct digest
-    AC_CHECK_PROGS([MD5], [md5 md5sum openssl], [none])
+    if test -n "$with_tokyocabinet" && test "$with_tokyocabinet" != "no"
+    then
+      db_requested=tc
+    fi
+    if test -n "$with_qdbm" && test "$with_qdbm" != "no"
+    then
+      if test "$db_requested" != "auto"
+      then
+        AC_MSG_ERROR([more than one header cache engine requested.])
+      else
+        db_requested=qdbm
+      fi
+    fi
+    if test -n "$with_gdbm" && test "$with_gdbm" != "no"
+    then
+      if test "$db_requested" != "auto"
+      then
+        AC_MSG_ERROR([more than one header cache engine requested.])
+      else
+        db_requested=gdbm
+      fi
+    fi
+    if test -n "$with_bdb" && test "$with_bdb" != "no"
+    then
+      if test "$db_requested" != "auto"
+      then
+        AC_MSG_ERROR([more than one header cache engine requested.])
+      else
+        db_requested=bdb
+      fi
+    fi
+    
+    dnl -- Tokyo Cabinet --
+    if test "$with_tokyocabinet" != "no" \
+           && test "$db_requested" = auto -o "$db_requested" = tc
+    then
+      if test -n "$with_tokyocabinet" && test "$with_tokyocabinet" != "yes"
+      then
+        CPPFLAGS="$CPPFLAGS -I$with_tokyocabinet/include"
+        LDFLAGS="$LDFLAGS -L$with_tokyocabinet/lib"
+      fi
+
+      AC_CHECK_HEADER(tcbdb.h,
+      AC_CHECK_LIB(tokyocabinet, tcbdbopen,
+        [MUTTLIBS="$MUTTLIBS -ltokyocabinet"
+         AC_DEFINE(HAVE_TC, 1, [Tokyo Cabinet Support])
+         db_found=tc],
+        [CPPFLAGS="$OLDCPPFLAGS"
+         LDFLAGS="$OLDLDFLAGS"]))
+      if test "$db_requested" != auto && test "$db_found" != "$db_requested"
+      then
+        AC_MSG_ERROR([Tokyo Cabinet could not be used. Check config.log for details.])
+      fi
+    fi

 
     dnl -- QDBM --
 
     dnl -- QDBM --

-    if test "$with_qdbm" != "no"
+    if test "$with_qdbm" != "no" && test $db_found = no \
+           && test "$db_requested" = auto -o "$db_requested" = qdbm

     then
       if test -n "$with_qdbm" && test "$with_qdbm" != "yes"
       then
     then
       if test -n "$with_qdbm" && test "$with_qdbm" != "yes"
       then


@@ -850,18 +932,19 @@ then
       AC_CHECK_LIB(qdbm, vlopen,
         [MUTTLIBS="$MUTTLIBS -lqdbm"
          AC_DEFINE(HAVE_QDBM, 1, [QDBM Support])
       AC_CHECK_LIB(qdbm, vlopen,
         [MUTTLIBS="$MUTTLIBS -lqdbm"
          AC_DEFINE(HAVE_QDBM, 1, [QDBM Support])

-         use_qdbm=yes],
+         db_found=qdbm],

         [CPPFLAGS="$OLDCPPFLAGS"
          LDFLAGS="$OLDLDFLAGS"])
       LIBS="$saved_LIBS"
         [CPPFLAGS="$OLDCPPFLAGS"
          LDFLAGS="$OLDLDFLAGS"])
       LIBS="$saved_LIBS"

-      if test -n "$with_qdbm" && test "$use_qdbm" != yes
+      if test "$db_requested" != auto && test "$db_found" != "$db_requested"

       then
         AC_MSG_ERROR([QDBM could not be used. Check config.log for details.])
       fi
     fi
 
     dnl -- GDBM --
       then
         AC_MSG_ERROR([QDBM could not be used. Check config.log for details.])
       fi
     fi
 
     dnl -- GDBM --

-    if test x$with_gdbm != xno && test $use_qdbm != yes
+    if test x$with_gdbm != xno && test $db_found = no \
+           && test "$db_requested" = auto -o "$db_requested" = gdbm

     then
         if test "$with_gdbm" != "yes"
         then
     then
         if test "$with_gdbm" != "yes"
         then


@@ -879,7 +962,9 @@ then
         then
           AC_DEFINE(HAVE_GDBM, 1, [GDBM Support])
           MUTTLIBS="$MUTTLIBS -lgdbm"
         then
           AC_DEFINE(HAVE_GDBM, 1, [GDBM Support])
           MUTTLIBS="$MUTTLIBS -lgdbm"

-        elif test -n "$with_gdbm"
+          db_found=gdbm
+        fi
+        if test "$db_requested" != auto && test "$db_found" != "$db_requested"

         then
           AC_MSG_ERROR([GDBM could not be used. Check config.log for details.])
         fi
         then
           AC_MSG_ERROR([GDBM could not be used. Check config.log for details.])
         fi


@@ -887,7 +972,7 @@ then
 
     dnl -- BDB --
     ac_bdb_prefix="$with_bdb"
 
     dnl -- BDB --
     ac_bdb_prefix="$with_bdb"

-    if test x$ac_bdb_prefix != xno && test x$ac_cv_gdbmopen != xyes && test $use_qdbm != yes
+    if test x$ac_bdb_prefix != xno && test $db_found = no

     then
         if test x$ac_bdb_prefix = xyes || test x$ac_bdb_prefix = x
         then
     then
         if test x$ac_bdb_prefix = xyes || test x$ac_bdb_prefix = x
         then


@@ -937,23 +1022,31 @@ then
             CPPFLAGS="$OLDCPPFLAGS -I$BDB_INCLUDE_DIR"
             LIBS="$OLDLIBS -L$BDB_LIB_DIR -l$BDB_LIB"
             AC_DEFINE(HAVE_DB4, 1, [Berkeley DB4 Support])
             CPPFLAGS="$OLDCPPFLAGS -I$BDB_INCLUDE_DIR"
             LIBS="$OLDLIBS -L$BDB_LIB_DIR -l$BDB_LIB"
             AC_DEFINE(HAVE_DB4, 1, [Berkeley DB4 Support])

+            db_found=bdb

         else
             AC_MSG_RESULT(no)
         fi
     fi
 
         else
             AC_MSG_RESULT(no)
         fi
     fi
 

-    if test x$use_qdbm != xyes && test x$ac_cv_gdbmopen != xyes && test x$ac_cv_dbcreate != xyes
+    if test $db_found = no

     then
     then

-        AC_MSG_ERROR([You need QDBM, GDBM or Berkeley DB4 for hcache])
+        AC_MSG_ERROR([You need Tokyo Cabinet, QDBM, GDBM or Berkeley DB4 for hcache])

     fi
 fi
 dnl -- end cache --
 
     fi
 fi
 dnl -- end cache --
 

+AM_CONDITIONAL(BUILD_HCACHE, test x$db_found != xno)
+

 if test "$need_md5" = "yes"
 then
   MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS md5.o"
 fi
 
 if test "$need_md5" = "yes"
 then
   MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS md5.o"
 fi
 

+if test x$db_found != xno ; then
+  MUTT_MD5="mutt_md5$EXEEXT"
+fi
+AC_SUBST(MUTT_MD5)
+

 AC_SUBST(MUTTLIBS)
 AC_SUBST(MUTT_LIB_OBJECTS)
 AC_SUBST(LIBIMAP)
 AC_SUBST(MUTTLIBS)
 AC_SUBST(MUTT_LIB_OBJECTS)
 AC_SUBST(LIBIMAP)


@@ -1063,7 +1156,7 @@ fi # libiconv
 
 dnl -- IDN depends on iconv
 
 
 dnl -- IDN depends on iconv
 

-AC_ARG_WITH(idn, AC_HELP_STRING([--with-idn=[PFX]], [Use GNU libidn for domain names]),
+AC_ARG_WITH(idn, AC_HELP_STRING([--with-idn=@<:@PFX@:>@], [Use GNU libidn for domain names]),

                 [
                  if test "$with_idn" != "no" ; then
                        if test "$with_idn" != "yes" ; then
                 [
                  if test "$with_idn" != "no" ; then
                        if test "$with_idn" != "yes" ; then


@@ -1082,7 +1175,10 @@ if test "x$with_idn" != "xno"; then
       AC_MSG_ERROR([IDN requested but iconv is disabled or unavailable])
     fi
   else
       AC_MSG_ERROR([IDN requested but iconv is disabled or unavailable])
     fi
   else

-    AC_CHECK_LIB(idn, stringprep_check_version)
+    AC_SEARCH_LIBS([stringprep_check_version], [idn], [
+      AC_DEFINE([HAVE_LIBIDN], 1, [Define to 1 if you have the `idn' library])
+      MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS mutt_idna.o"
+    ])

     AC_CHECK_FUNCS(idna_to_unicode_utf8_from_utf8 idna_to_unicode_8z8z)
     AC_CHECK_FUNCS(idna_to_ascii_from_utf8 idna_to_ascii_8z)
     AC_CHECK_FUNCS(idna_to_ascii_lz idna_to_ascii_from_locale)
     AC_CHECK_FUNCS(idna_to_unicode_utf8_from_utf8 idna_to_unicode_8z8z)
     AC_CHECK_FUNCS(idna_to_ascii_from_utf8 idna_to_ascii_8z)
     AC_CHECK_FUNCS(idna_to_ascii_lz idna_to_ascii_from_locale)


@@ -1126,7 +1222,7 @@ if test "$mutt_cv_wint_t" = no; then
 fi
 
 AC_CHECK_HEADERS(wctype.h)
 fi
 
 AC_CHECK_HEADERS(wctype.h)

-AC_CHECK_FUNCS(iswalnum iswalpha  iswcntrl iswdigit)
+AC_CHECK_FUNCS(iswalnum iswalpha iswblank iswcntrl iswdigit)

 AC_CHECK_FUNCS(iswgraph iswlower iswprint iswpunct iswspace iswupper)
 AC_CHECK_FUNCS(iswxdigit towupper towlower)
 
 AC_CHECK_FUNCS(iswgraph iswlower iswprint iswpunct iswspace iswupper)
 AC_CHECK_FUNCS(iswxdigit towupper towlower)
 


@@ -1154,14 +1250,14 @@ if test "$wc_funcs" != yes && test "$wc_funcs" != no; then
         AC_CACHE_CHECK([for wchar_t functions], mutt_cv_wc_funcs,
                 mutt_cv_wc_funcs=no
                 AC_TRY_LINK([
         AC_CACHE_CHECK([for wchar_t functions], mutt_cv_wc_funcs,
                 mutt_cv_wc_funcs=no
                 AC_TRY_LINK([

-#define _XOPEN_SOURCE 1
+#define _XOPEN_SOURCE 600

 #include <stddef.h>
 #include <stdlib.h>
 #include <stddef.h>
 #include <stdlib.h>

-#ifdef HAVE_WCTYPE_H
-#include <wctype.h>
-#endif

 #ifdef HAVE_WCHAR_H
 #include <wchar.h>
 #ifdef HAVE_WCHAR_H
 #include <wchar.h>

+#endif
+#ifdef HAVE_WCTYPE_H
+#include <wctype.h>

 #endif],
                         [mbrtowc(0, 0, 0, 0); wctomb(0, 0); wcwidth(0);
         iswprint(0); iswspace(0); towlower(0); towupper(0); iswalnum(0)],
 #endif],
                         [mbrtowc(0, 0, 0, 0); wctomb(0, 0); wcwidth(0);
         iswprint(0); iswspace(0); towlower(0); towupper(0); iswalnum(0)],


@@ -1216,6 +1312,16 @@ then
 fi
 AC_SUBST(DSLROOT)
 
 fi
 AC_SUBST(DSLROOT)
 

+AC_ARG_ENABLE(full_doc,
+             AC_HELP_STRING([--disable-full-doc], [Omit disabled variables]),
+[       if test x$enableval = xno ; then
+                full_doc=no
+        fi
+])
+if test x$full_doc != xno ; then
+  AC_DEFINE(MAKEDOC_FULL,1, [Define if you want complete documentation.])
+fi
+

 AC_OUTPUT(Makefile contrib/Makefile doc/Makefile imap/Makefile
         intl/Makefile m4/Makefile po/Makefile.in
         hcachever.sh muttbug.sh doc/instdoc.sh)
 AC_OUTPUT(Makefile contrib/Makefile doc/Makefile imap/Makefile
         intl/Makefile m4/Makefile po/Makefile.in
         hcachever.sh muttbug.sh doc/instdoc.sh)