add comments to AC_DEFINE... definitions for autoconf 2.5

acinclude.m4

@@ -101,7 +101,7 @@ dnl				else
 			 LIBS="$oldlibs"
 			])
 			if test "$ac_cv_curses_redrawwin" = yes; then
-				AC_DEFINE(CURSES_HAS_REDRAWWIN)
+				AC_DEFINE(CURSES_HAS_REDRAWWIN,[1],[Define to 1 if you have the `redrawwin' function in the curses library])
 			fi
 
 			AC_CACHE_CHECK([for wcolor_set() in curses], ac_cv_curses_wcolor_set,
@@ -111,7 +111,7 @@ dnl				else
 			 LIBS="$oldlibs"
 			])
 			if test "$ac_cv_curses_wcolor_set" = yes; then
-				AC_DEFINE(CURSES_HAS_WCOLOR_SET)
+				AC_DEFINE(CURSES_HAS_WCOLOR_SET,[1],[Define to 1 if you have the `wcolor_set' function in the curses library])
 			fi
 			;;
 		cwlnx)
@@ -257,7 +257,7 @@ AC_DEFUN(AC_CURSES_ACS_ARRAY, [
 
 	if test "$ac_cv_curses_acs_map" = yes
 	then
-		AC_DEFINE(CURSES_HAS_ACS_MAP)
+		AC_DEFINE(CURSES_HAS_ACS_MAP,[1],[Define to 1 if <curses.h> defines the `acs_map' array])
 	else
 
 		AC_CACHE_CHECK([for _acs_char in curses.h], ac_cv_curses__acs_char,
@@ -265,7 +265,7 @@ AC_DEFUN(AC_CURSES_ACS_ARRAY, [
 
 		if test "$ac_cv_curses__acs_char" = yes
 		then
-			AC_DEFINE(CURSES_HAS__ACS_CHAR)
+			AC_DEFINE(CURSES_HAS__ACS_CHAR,[1],[Define to 1 if <curses.h> defines the `_acs_char' array])
 		fi
 
 	fi
@@ -322,7 +322,7 @@ AC_DEFUN(AC_GET_FS_INFO, [
       AC_CHECK_FUNCS(statvfs)
       if test $ac_cv_func_statvfs = yes; then
         space=yes
-        AC_DEFINE(STAT_STATVFS)
+        AC_DEFINE(STAT_STATVFS,[1],[Define to 1 if you have `statvfs'])
       fi
     fi
 
@@ -346,7 +346,7 @@ AC_DEFUN(AC_GET_FS_INFO, [
       AC_MSG_RESULT($fu_cv_sys_stat_statfs3_osf1)
       if test $fu_cv_sys_stat_statfs3_osf1 = yes; then
         space=yes
-        AC_DEFINE(STAT_STATFS3_OSF1)
+        AC_DEFINE(STAT_STATFS3_OSF1,[1],[Define to 1 if you have 3-argument `statfs' (DEC OSF/1)])
       fi
     fi
 
@@ -376,7 +376,7 @@ AC_DEFUN(AC_GET_FS_INFO, [
       AC_MSG_RESULT($fu_cv_sys_stat_statfs2_bsize)
       if test $fu_cv_sys_stat_statfs2_bsize = yes; then
         space=yes
-        AC_DEFINE(STAT_STATFS2_BSIZE)
+        AC_DEFINE(STAT_STATFS2_BSIZE,[1],[Define to 1 if you have two-argument `statfs' with statfs.bsize member (AIX, 4.3BSD)])
       fi
     fi
 
@@ -397,7 +397,7 @@ AC_DEFUN(AC_GET_FS_INFO, [
       AC_MSG_RESULT($fu_cv_sys_stat_statfs4)
       if test $fu_cv_sys_stat_statfs4 = yes; then
         space=yes
-        AC_DEFINE(STAT_STATFS4)
+        AC_DEFINE(STAT_STATFS4,[1],[Define to 1 if you have four-argument `statfs' (AIX-3.2.5, SVR3)])
       fi
     fi
     if test $space = no; then
@@ -424,7 +424,7 @@ AC_DEFUN(AC_GET_FS_INFO, [
       AC_MSG_RESULT($fu_cv_sys_stat_statfs2_fsize)
       if test $fu_cv_sys_stat_statfs2_fsize = yes; then
         space=yes
-        AC_DEFINE(STAT_STATFS2_FSIZE)
+        AC_DEFINE(STAT_STATFS2_FSIZE,[1],[Define to 1 if you have two-argument `statfs' with statfs.fsize member (4.4BSD and NetBSD)])
       fi
     fi
 
@@ -456,7 +456,7 @@ AC_DEFUN(AC_GET_FS_INFO, [
       AC_MSG_RESULT($fu_cv_sys_stat_fs_data)
       if test $fu_cv_sys_stat_fs_data = yes; then
         space=yes
-        AC_DEFINE(STAT_STATFS2_FS_DATA)
+        AC_DEFINE(STAT_STATFS2_FS_DATA,[1],[Define to 1 if you have two-argument `statfs' with struct fs_data (Ultrix)])
       fi
     fi
 
@@ -542,7 +542,7 @@ case $host in
   *)
 	SO=.so;;
 esac
-AC_DEFINE_UNQUOTED(MODULE_EXTENSION,"$SO")
+AC_DEFINE_UNQUOTED(MODULE_EXTENSION,"$SO",[Set to the extension for dynamically loaded modules])
 AC_MSG_RESULT($SO)
 
 dnl CCSHARED are the flags used to compile the sources for the shared library

configure.in

@@ -33,7 +33,7 @@ AC_MSG_CHECKING(whether to enable debugging)
 AC_ARG_ENABLE(debug,
   [  --enable-debug          show debug information],
   if [[[ "$enableval" = "yes" ]]]; then
-        AC_DEFINE(DEBUG)
+        AC_DEFINE(DEBUG,[1],[Define to 1 to show debug information])
         debug="yes"
   else
         debug="no"
@@ -161,12 +161,12 @@ AC_GET_FS_INFO
 
 AC_ARG_ENABLE(stat-nfs,
   [  --enable-stat-nfs       display filesystem stats for NFS],
-  AC_DEFINE(STAT_NFS)
+  AC_DEFINE(STAT_NFS,[1],[Define to 1 to display filesystem stats for NFS])
 )
 
 AC_ARG_ENABLE(stat-smbfs,
   [  --enable-stat-smbfs     display filesystem stats for SMBFS],
-  AC_DEFINE(STAT_SMBFS)
+  AC_DEFINE(STAT_SMBFS,[1],[iDefine to 1 to display filesystem stats for SMBFS])
 )
 
 
@@ -175,11 +175,11 @@ AC_ARG_WITH(lcdport,
   LCDPORT=$withval,
   LCDPORT="13666"
 )
-AC_DEFINE_UNQUOTED(LCDPORT, $LCDPORT)
+AC_DEFINE_UNQUOTED(LCDPORT, $LCDPORT, [Set default port where LCDd should listen])
 
-AC_DEFINE_UNQUOTED(PROTOCOL_VERSION, "0.3")
+AC_DEFINE_UNQUOTED(PROTOCOL_VERSION, "0.3", [Define version of lcdproc client-server protocol])
 
-AC_DEFINE_UNQUOTED(API_VERSION, "0.5")
+AC_DEFINE_UNQUOTED(API_VERSION, "0.5", [Define version of lcdproc API])
 
 
 AC_ARG_WITH(loadmax,
@@ -188,7 +188,7 @@ AC_ARG_WITH(loadmax,
   LOAD_MAX=$withval,
   LOAD_MAX=1.3
 )
-AC_DEFINE_UNQUOTED(LOAD_MAX, $LOAD_MAX)
+AC_DEFINE_UNQUOTED(LOAD_MAX, $LOAD_MAX, [Define max Load Avg at which the backlight will start blinking])
 
 AC_ARG_WITH(loadmin,
   [  --with-loadmin=<load>   Min Load Avg at which the backlight will]
@@ -196,7 +196,7 @@ AC_ARG_WITH(loadmin,
   LOAD_MIN=$withval,
   LOAD_MIN=0.05
 )
-AC_DEFINE_UNQUOTED(LOAD_MIN, $LOAD_MIN)
+AC_DEFINE_UNQUOTED(LOAD_MIN, $LOAD_MIN, [Define min Load Avg at which the backlight will turn off])
 
 AC_MODULES_INFO