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docs: BSD and Solaris make trailing space macro issue.
From: |
Ralf Wildenhues |
Subject: |
docs: BSD and Solaris make trailing space macro issue. |
Date: |
Sun, 6 Mar 2011 13:44:40 +0100 |
User-agent: |
Mutt/1.5.20 (2010-08-04) |
OK to push?
This prepares the next couple of patches. Yes, it adds a trailing space
in the manual source. I'm not sure how useful that is, given that it
doesn't survive in the .info output. Suggestions welcome.
Thanks,
Ralf
docs: BSD and Solaris make trailing space macro issue.
* doc/autoconf.texi (Trailing whitespace in Make Macros):
Document issue with trailing whitespace in macro settings.
diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index b552883..c537335 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -19853,6 +19853,20 @@ Trailing whitespace in Make Macros
@noindent
prints @samp{bar.test .test}.
+BSD and Solaris @command{make} implementations do not honor trailing
+whitespace in macro definitions as Posix requires:
+
address@hidden
+# The following line contains a trailing space.
+foo = bar
+print: ; @@echo $(foo)t
address@hidden example
+
address@hidden
+prints @samp{bart} instead of @samp{bar t}. To work around this, you
+can use a helper macro as in the previous example.
+
+
@node Command-line Macros and whitespace
@section Command-line Macros and whitespace
@cindex whitespace in command-line macros
- docs: BSD and Solaris make trailing space macro issue.,
Ralf Wildenhues <=