Let gen-libm-test.pl find itself when run outside source directory

2 files changed, 8 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index 322ec08..a55f1fb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2014-01-27  Andreas Schwab  <schwab@linux-m68k.org>
+
+	* math/gen-libm-test.pl ($srcdir): New variable.
+	($auto_input): Use it.
+
 2014-01-27  Siddhesh Poyarekar  <siddhesh@redhat.com>
 
 	[BZ #16506]
diff --git a/math/gen-libm-test.pl b/math/gen-libm-test.pl
index d5fb278..a1c528d 100755
--- a/math/gen-libm-test.pl
+++ b/math/gen-libm-test.pl
@@ -42,7 +42,7 @@ use strict;
 use vars qw ($input $output $auto_input);
 use vars qw (%results);
 use vars qw (%beautify @all_floats);
-use vars qw ($output_dir $ulps_file);
+use vars qw ($output_dir $ulps_file $srcdir);
 use vars qw (%auto_tests);
 
 # all_floats is sorted and contains all recognised float types
@@ -75,6 +75,7 @@ getopts('u:o:nh');
 
 $ulps_file = 'libm-test-ulps';
 $output_dir = '';
+($srcdir = $0) =~ s{[^/]*$}{};
 
 if ($opt_h) {
   print "Usage: gen-libm-test.pl [OPTIONS]\n";
@@ -89,7 +90,7 @@ $ulps_file = $opt_u if ($opt_u);
 $output_dir = $opt_o if ($opt_o);
 
 $input = "libm-test.inc";
-$auto_input = "auto-libm-test-out";
+$auto_input = "${srcdir}auto-libm-test-out";
 $output = "${output_dir}libm-test.c";
 
 &parse_ulps ($ulps_file);