[SCM] GNU Autoconf source repository branch, master, updated. v2.68-58-gf3c183d

[Ralf Wildenhues]

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- Log -----------------------------------------------------------------
commit f3c183d084bd8bcdf2a0960f20ab83136c15bc4b
Author: Colin Watson <address@hidden>
Date:   Fri Mar 4 21:55:03 2011 +0100

    docs: Document AC_FUNC_FORK cache variables.
    
    * doc/autoconf.texi (Particular Functions): Document AC_FUNC_FORK
    cache variables.
    * THANKS: Update.
    
    Signed-off-by: Ralf Wildenhues <address@hidden>

commit fd0e10b3f3173b43d7ecc644f6f9db34fcc74811
Author: Ralf Wildenhues <address@hidden>
Date:   Sun Mar 6 13:28:42 2011 +0100

    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.
    
    Signed-off-by: Ralf Wildenhues <address@hidden>

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog         |   13 +++++++++++++
 THANKS            |    1 +
 doc/autoconf.texi |   18 ++++++++++++++++++
 3 files changed, 32 insertions(+), 0 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index ed4c467..30dfced 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,16 @@
+2011-03-08  Colin Watson  <address@hidden>  (tiny change)
+           Ralf Wildenhues  <address@hidden>
+
+       * doc/autoconf.texi (Particular Functions): Document AC_FUNC_FORK
+       cache variables.
+       * THANKS: Update.
+
+2011-03-08  Ralf Wildenhues  <address@hidden>
+
+       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.
+
 2011-03-05  Ralf Wildenhues  <address@hidden>
 
        Fix Cray Fortran flag for AC_FC_IMPLICIT_NONE.
diff --git a/THANKS b/THANKS
index 648a501..887405f 100644
--- a/THANKS
+++ b/THANKS
@@ -83,6 +83,7 @@ Christian Rössel            address@hidden
 Christopher Hulbert         address@hidden
 Christopher Lee             address@hidden
 Clinton Roy                 address@hidden
+Colin Watson                address@hidden
 Corinna Vinschen            address@hidden
 Cort Dougan                 address@hidden
 D'Arcy A MacIsaac           ?
diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index b552883..ea9e560 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -5004,6 +5004,11 @@ yourself in new code:
 #endif
 @end group
 @end example
+
+The results of this macro are cached in the @code{ac_cv_func_fork_works}
+and @code{ac_cv_func_vfork_works} variables.  In order to override the
+test, you also need to set the @code{ac_cv_func_fork} and
address@hidden variables.
 @end defmac
 
 @defmac AC_FUNC_FSEEKO
@@ -19853,6 +19858,19 @@ print: ; @@echo $(foo:=.test)
 @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
+foo = bar # Note the space after "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


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