# HG changeset patch
# User Mike Miller <mtmiller@octave.org>
# Date 1474328579 25200
# Node ID b3268dbf97818082995fbe82da4c691046db5cdf
# Parent  77b50a83ec113009e02930e898f3dddde5b6a0ce
build: fix build-env-features substitution pattern for non-GNU awk (bug #49126)

* build-env-features.sh: Fix regular expression for clarity and to be compatible
with non-GNU awks (e.g. BSD awk).

diff -r 77b50a83ec11 -r b3268dbf9781 libinterp/build-env-features.sh
--- a/libinterp/build-env-features.sh	Mon Sep 19 15:23:48 2016 -0700
+++ b/libinterp/build-env-features.sh	Mon Sep 19 16:42:59 2016 -0700
@@ -39,12 +39,12 @@
 EOF
 
 $AWK \
-  '/#define (OCTAVE_|)HAVE_/ {
-     sub (/(OCTAVE_|)HAVE_/, "", $2);
+  '/#define (OCTAVE_HAVE|HAVE)_/ {
+     sub (/(OCTAVE_HAVE|HAVE)_/, "", $2);
      printf ("          m.assign (\"%s\", ov_true);\n", $2);
    }
-   /\/\* #undef (OCTAVE_|)HAVE_/ {
-     sub (/(OCTAVE_|)HAVE_/, "", $3);
+   /\/\* #undef (OCTAVE_HAVE|HAVE)_/ {
+     sub (/(OCTAVE_HAVE|HAVE)_/, "", $3);
      printf ("          m.assign (\"%s\", ov_false);\n", $3);
    } {
    }' $conffile | sort