Add a --output=<DIR> option to ar to allow the specifying of an output directory.

	* ar.c (emum long option numbers): Declare.  Use to provide
	numerical values for long options.
	(long_options): Add --output option.
	(usage): Mention the --output option.
	(open_output_file): New function.  Create a filepath for an output
	file and open it.
	(extract_file): Use open_output_file().
	(open_output_file):
	* testsuite/binutils-all/ar.exp: Add a test of the new feature.
	* doc/binutils.texi: Document the new feature.
	* NEWS: Mention the new feature.

1 files changed, 45 insertions, 0 deletions

diff --git a/binutils/testsuite/binutils-all/ar.exp b/binutils/testsuite/binutils-all/ar.exp
index bc1fbdb..c043f7e 100644
--- a/binutils/testsuite/binutils-all/ar.exp
+++ b/binutils/testsuite/binutils-all/ar.exp
@@ -605,6 +605,50 @@ proc empty_archive { } {
     pass $testname
 }
 
+# Test extracting an element.
+
+proc extract_an_element { } {
+    global AR
+    global AS
+    global srcdir
+    global subdir
+
+    set testname "ar extracting an element"
+
+    if ![binutils_assemble $srcdir/$subdir/bintest.s tmpdir/bintest.o] {
+	unresolved $testname
+	return
+    }
+
+    set archive artest.a
+
+    if [is_remote host] {
+	set objfile [remote_download host tmpdir/bintest.o]
+	remote_file host delete $archive
+    } else {
+	set objfile tmpdir/bintest.o
+    }
+
+    remote_file build delete $archive
+
+    set got [binutils_run $AR "-r -c $archive ${objfile}"]
+    if ![string match "" $got] {
+	fail $testname
+	return
+    }
+
+    set got [binutils_run $AR "--output=tmpdir -x $archive ${objfile}"]
+    if ![string match "" $got] {
+	fail $testname
+	return
+    }
+
+    remote_file build delete $archive
+    remote_file build delete tmpdir/$archive
+
+    pass $testname
+}
+
 # Run the tests.
 
 # Only run the bfdtest checks if the programs exist.  Since these
@@ -625,6 +669,7 @@ deterministic_archive
 delete_an_element
 move_an_element
 empty_archive
+extract_an_element
 
 if { [is_elf_format] && [supports_gnu_unique] } {
     unique_symbol