From: Akim Demaille <akim@epita.fr>
Date: Sat, 14 Jul 2001 16:15:38 +0000 (+0000)
Subject: * doc/autoconf.texi (Limitations of Make): Macro names and underscore.
X-Git-Tag: AUTOCONF-2.50c~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9994cd2e63187d367c8f813528603d64d9c95432;p=thirdparty%2Fautoconf.git

* doc/autoconf.texi (Limitations of Make): Macro names and underscore.
---

diff --git a/ChangeLog b/ChangeLog
index f9630975b..af91151c9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2001-07-14  Akim Demaille  <akim@epita.fr>
+
+	* doc/autoconf.texi (Limitations of Make): Macro names and underscore.
+
 2001-07-14  Akim Demaille  <akim@epita.fr>
 
 	* config/config.guess, config/config.sub, config/texinfo.tex
diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 8c60d00d3..050c45404 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -8748,6 +8748,28 @@ being listed here.  First of all, remember that since commands are
 executed by the shell, all its weaknesses are inherited@dots{}
 
 @table @asis
+@item Leading underscore in macro names
+Some Make don't support leading underscores in macro names, such as on
+NEWS-OS 4.2R.
+
+@example
+$ cat Makefile
+_am_include = #
+_am_quote =
+all:; @@echo this is test
+
+% make
+Make: Must be a separator on rules line 2.  Stop.
+
+$ cat Makefile2
+am_include = #
+am_quote =
+all:; @@echo this is test
+
+$ make -f Makefile2
+this is test
+@end example
+
 @item @code{VPATH}
 @cindex @code{VPATH}
 Don't use it!  For instance any assignment to @code{VPATH} causes Sun