Really require autoconf-2.57.

[gnulib.git] / doc / gnulib.texi

diff --git a/doc/gnulib.texi b/doc/gnulib.texi
index 8e434a2..b3b09dc 100644 (file)
--- a/doc/gnulib.texi
+++ b/doc/gnulib.texi
@@ -1,5 +1,5 @@
 \input texinfo   @c -*-texinfo-*-
-@comment $Id: gnulib.texi,v 1.13 2005-07-16 19:41:33 jas Exp $
+@comment $Id: gnulib.texi,v 1.15 2005-07-30 13:47:19 karl Exp $
 @comment %**start of header
 @setfilename gnulib.info
 @settitle GNU Gnulib
@@ -7,7 +7,7 @@
 @syncodeindex pg cp
 @comment %**end of header
 
-@set UPDATED $Date: 2005-07-16 19:41:33 $
+@set UPDATED $Date: 2005-07-30 13:47:19 $
 
 @copying
 This manual is for GNU Gnulib (updated @value{UPDATED}),
@@ -87,6 +87,7 @@ Getting started:
 * inet_ntoa::
 * Out of memory handling::
 * Library version handling::
+* Regular expressions::
 @end menu
 
 
@@ -346,6 +347,17 @@ Typical uses look like:
 @end example
 
 
+@node Regular expressions
+@section Regular expressions
+
+Gnulib supports many different types of regular expressions; although
+the underlying features are the same or identical, the syntax used
+varies.  The descriptions given here for the different types are
+generated automatically.
+
+@include regexprops-generic.texi
+
+
 @node Invoking gnulib-tool
 @chapter Invoking gnulib-tool
 
@@ -511,12 +523,14 @@ SUBDIRS += gl
 @end example
 
 Finally, you have to add compiler and linker flags in the appropriate
-source directories, so that you can make use
-of the gnulib library.  For example:
+source directories, so that you can make use of the gnulib library.
+Since some modules (@samp{getopt}, for example) may copy files into
+the build directory, @file{top_builddir/lib} is needed as well
+as @file{top_srcdir/lib}.  For example:
 
 @example
 ...
-AM_CPPFLAGS = -I$(top_srcdir)/lib
+AM_CPPFLAGS = -I$(top_srcdir)/lib -I$(top_builddir)/lib
 ...
 LIBADD = lib/libgnu.a
 ...