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-rw-r--r--gettext-tools/doc/ChangeLog5
-rw-r--r--gettext-tools/doc/gettext.texi22
-rw-r--r--gettext-tools/doc/gettextize.texi5
3 files changed, 32 insertions, 0 deletions
diff --git a/gettext-tools/doc/ChangeLog b/gettext-tools/doc/ChangeLog
index 2f60c3d..feccd62 100644
--- a/gettext-tools/doc/ChangeLog
+++ b/gettext-tools/doc/ChangeLog
@@ -1,3 +1,8 @@
+2006-06-18 Bruno Haible <bruno@clisp.org>
+
+ * gettext.texi (configure.in): Document where to put AC_GNU_SOURCE.
+ * gettextize.texi: Refer to this explanation.
+
2006-06-15 Bruno Haible <bruno@clisp.org>
* gettext.texi (po/Makevars): Mention real purpose of this file.
diff --git a/gettext-tools/doc/gettext.texi b/gettext-tools/doc/gettext.texi
index 6a246e0..c61efd6 100644
--- a/gettext-tools/doc/gettext.texi
+++ b/gettext-tools/doc/gettext.texi
@@ -6766,6 +6766,28 @@ add @code{intl/Makefile} to the @code{AC_OUTPUT} line.
@end enumerate
+If, after doing the recommended modifications, a command like
+@samp{aclocal -I m4} or @samp{autoconf} or @samp{autoreconf} fails with
+a trace similar to this:
+
+@smallexample
+configure.ac:44: warning: AC_COMPILE_IFELSE was called before AC_GNU_SOURCE
+../../lib/autoconf/specific.m4:335: AC_GNU_SOURCE is expanded from...
+m4/lock.m4:224: gl_LOCK is expanded from...
+m4/gettext.m4:571: gt_INTL_SUBDIR_CORE is expanded from...
+m4/gettext.m4:472: AM_INTL_SUBDIR is expanded from...
+m4/gettext.m4:347: AM_GNU_GETTEXT is expanded from...
+configure.ac:44: the top level
+configure.ac:44: warning: AC_RUN_IFELSE was called before AC_GNU_SOURCE
+@end smallexample
+
+@noindent
+you need to add an explicit invocation of @samp{AC_GNU_SOURCE} in the
+@file{configure.ac} file - after @samp{AC_PROG_CC} but before
+@samp{AM_GNU_GETTEXT}, most likely very close to the @samp{AC_PROG_CC}
+invocation. This is necessary because of ordering restrictions imposed
+by GNU autoconf.
+
@node config.guess, mkinstalldirs, configure.in, Adjusting Files
@subsection @file{config.guess}, @file{config.sub} at top level
diff --git a/gettext-tools/doc/gettextize.texi b/gettext-tools/doc/gettextize.texi
index e653650..def8bd2 100644
--- a/gettext-tools/doc/gettextize.texi
+++ b/gettext-tools/doc/gettextize.texi
@@ -173,6 +173,11 @@ amount of remaining work depends on whether the package uses GNU
@code{automake} or not. But in any case, the maintainer should still
read the section @ref{Adjusting Files} after invoking @code{gettextize}.
+In particular, if after using @samp{gettexize}, you get an error
+@samp{AC_COMPILE_IFELSE was called before AC_GNU_SOURCE} or
+@samp{AC_RUN_IFELSE was called before AC_GNU_SOURCE}, you can fix it
+by modifying @file{configure.ac}, as described in @ref{configure.in}.
+
It is also important to understand that @code{gettextize} is not part
of the GNU build system, in the sense that it should not be invoked
automatically, and not be invoked by someone who doesn't assume the