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[SCM] GNU Autoconf source repository branch, master, updated. v2.67-49-g
From: |
Eric Blake |
Subject: |
[SCM] GNU Autoconf source repository branch, master, updated. v2.67-49-g4416ea8 |
Date: |
Tue, 07 Sep 2010 19:53:38 +0000 |
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http://git.sv.gnu.org/gitweb/?p=autoconf.git;a=commitdiff;h=4416ea8d259ded79b03877ad41b2ec23b10e3f70
The branch, master has been updated
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- Log -----------------------------------------------------------------
commit 4416ea8d259ded79b03877ad41b2ec23b10e3f70
Author: Eric Blake <address@hidden>
Date: Tue Sep 7 13:49:03 2010 -0600
docs: mention bash vs. POSIXLY_CORRECT
* doc/autoconf.texi (Special Shell Variables) <POSIXLY_CORRECT>:
Document bash behavior.
* THANKS: Update.
Reported by Dustin J. Mitchell, via bug-gnulib list.
Signed-off-by: Eric Blake <address@hidden>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
THANKS | 1 +
doc/autoconf.texi | 18 ++++++++++++++++++
3 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index d43f681..73be221 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
2010-09-07 Eric Blake <address@hidden>
+ docs: mention bash vs. POSIXLY_CORRECT
+ * doc/autoconf.texi (Special Shell Variables) <POSIXLY_CORRECT>:
+ Document bash behavior.
+ * THANKS: Update.
+ Reported by Dustin J. Mitchell, via bug-gnulib list.
+
docs: enhance recommendations on test usage
* doc/autoconf.texi (Limitations of Builtins) <test (strings)>:
Mention yet another Solaris issue.
diff --git a/THANKS b/THANKS
index 748c4e4..675d6d9 100644
--- a/THANKS
+++ b/THANKS
@@ -113,6 +113,7 @@ Dietmar P. Schindler address@hidden
Dmitry Grebeniuk address@hidden
Doug Evans address@hidden
Dries Kimpe ?
+Dustin J. Mitchell address@hidden
Edouard Bechetoille address@hidden
Elbert Pol address@hidden
Eli Zaretskii address@hidden
diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 4d62bf3..15639d9 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -16416,6 +16416,24 @@ separator Bash uses to set up certain environment
variables (such as
if you plan to use non-Posix shells to execute files. @xref{File System
Conventions}, for more information about @code{PATH_SEPARATOR}.
address@hidden POSIXLY_CORRECT
address@hidden POSIXLY_CORRECT
+In the GNU environment, exporting @env{POSIXLY_CORRECT} with any value
+(even empty) causes programs to try harder to conform to Posix.
+Autoconf does not directly manipulate this variable, but @command{bash}
+ties the shell variable @env{POSIXLY_CORRECT} to whether the script is
+running in Posix mode. Therefore, take care when exporting or unsetting
+this variable, so as not to change whether @command{bash} is in Posix
+mode.
+
address@hidden
+$ @kbd{bash --posix -c 'set -o | grep posix}
+> @kbd{unset POSIXLY_CORRECT}
+> @kbd{set -o | grep posix'}
+posix on
+posix off
address@hidden example
+
@item PWD
@evindex PWD
Posix 1003.1-2001 requires that @command{cd} and
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