[SCM] GNU Autoconf source repository branch, master, updated. v2.69-50-g42b4918

[Paolo Bonzini]

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- Log -----------------------------------------------------------------
commit 42b4918d161806fc56d15007c3129b50c1f94d12
Author: Paolo Bonzini <***@gnu.org>
Date: Fri Dec 7 13:21:59 2012 +0100

autotest: define AT_DATA_UNQUOTED

* lib/autotest/general.m4 (AT_DATA_UNQUOTED): New macro, paralleling
AT_DATA but not quoting the contents.
* doc/autoconf.texi (Writing Testsuites): Document it.
* tests/autotest.at (AT_DATA_UNQUOTED): Test it.

Signed-off-by: Paolo Bonzini <***@gnu.org>

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

Summary of changes:
NEWS | 5 +++++
doc/autoconf.texi | 6 ++++++
lib/autotest/general.m4 | 16 ++++++++++++++++
tests/autotest.at | 19 +++++++++++++++++++
4 files changed, 46 insertions(+), 0 deletions(-)

diff --git a/NEWS b/NEWS
index 6d5b5e9..d0a38a3 100644
--- a/NEWS
+++ b/NEWS
@@ -31,6 +31,11 @@ GNU Autoconf NEWS - User visible changes.
code on that platform. Solaris 2.4 has not been supported since
2003 and nowadays it's better to omit that old trick.

+- Autotest provides a new macro AT_DATA_UNQUOTED, similar to AT_DATA
+ but processing variable substitutions, command substitutions and
+ backslashes in the contents argument.
+
+
* Noteworthy changes in release 2.69 (2012-04-24) [stable]

** Autoconf now requires perl 5.6 or better (but generated configure
diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 5b556da..3f0dbb4 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -25128,6 +25128,7 @@ End the current test group.
@sp 1

@defmac AT_DATA (@var{file}, @var{contents})
+@defmacx AT_DATA_UNQUOTED (@var{file}, @var{contents})
@atindex{DATA}
Initialize an input data @var{file} with given @var{contents}. Of
course, the @var{contents} have to be properly quoted between square
@@ -25135,6 +25136,11 @@ brackets to protect against included commas or spurious M4
expansion. @var{contents} must be empty or end with a newline.
@var{file} must
be a single shell word that expands into a single file name.
+
+The difference between @code{AT_DATA} and @code{AT_DATA_UNQUOTED} is
+that only the latter performs shell variable expansion (@samp{$}),
+command substitution (@samp{`}), and backslash escaping (@samp{\})
+on @var{contents}.
@end defmac

@defmac AT_CHECK (@var{commands}, @dvar{status, 0}, @ovar{stdout}, @
diff --git a/lib/autotest/general.m4 b/lib/autotest/general.m4
index 264a01a..7be2e3b 100644
--- a/lib/autotest/general.m4
+++ b/lib/autotest/general.m4
@@ -1944,6 +1944,22 @@ at_banner_text_[]AT_banner_ordinal="AS_ESCAPE([$1])"])dnl
])# AT_BANNER


+# AT_DATA_UNQUOTED(FILE, CONTENTS)
+# -----------------------
+# Initialize an input data FILE with given CONTENTS, which should be
+# empty or end with a newline.
+# This macro is not robust to active symbols in CONTENTS *on purpose*.
+# If you don't want CONTENTS to be evaluated, quote it twice.
+# In addition, it does not quote shell variables. For example, it
+# can be used to generate data files containing a carriage return.
+_AT_DEFINE_SETUP([AT_DATA_UNQUOTED],
+[m4_if([$2], [], [: >$1],
+ [$2], [[]], [: >$1],
+[cat >$1 <<_ATEOF
+$2[]_ATEOF
+])])
+
+
# AT_DATA(FILE, CONTENTS)
# -----------------------
# Initialize an input data FILE with given CONTENTS, which should be
diff --git a/tests/autotest.at b/tests/autotest.at
index b56d3f8..fe2e3bc 100644
--- a/tests/autotest.at
+++ b/tests/autotest.at
@@ -178,6 +178,25 @@ AT_CHECK([cmp file2 file3])


## ------------------ ##
+## AT_DATA_UNQUOTED. ##
+## ------------------ ##
+
+AT_CHECK_AT_TEST([AT@&***@_DATA_UNQUOTED], [
+AT_CHECK([test -f file1], [1])
+AT_DATA([file1])
+AT_CHECK([test -f file1 && test ! -s file1])
+AT_CHECK([echo hi > file1])
+AT_DATA([file1], [[]])
+AT_CHECK([test -f file1 && test ! -s file1])
+file=file2
+AT_DATA_UNQUOTED([$file], [[$file
+]])
+AT_CHECK([echo file2 > file3])
+AT_CHECK([cmp file2 file3])
+])
+
+
+## ------------------ ##
## Empty test suite. ##
## ------------------ ##



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