Fix configure error

This patch fixes configure error on some systems such as Alpine. ``` line 3472: test: =: unary operator expected ``` One of the fixes has been suggested also here already: https://bugs.php.net/bug.php?id=39835 Thank you for considering merging this.
php · Jun 22, 2017 · 660250f · 660250f
1 parent 81c2a4b
commit 660250f
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diff --git a/NEWS b/NEWS
@@ -5,6 +5,7 @@ PHP                                                                        NEWS
 - Core:
   . Fixed bug #74780 (parse_url() borken when query string contains colon). 
     (jhdxr)
+  . Fixed bug #74761 (Unary operator expected error on some systems). (petk)
 
 - SPL:
   . Fixed bug #73471 (PHP freezes with AppendIterator). (jhdxr)

diff --git a/acinclude.m4 b/acinclude.m4
@@ -2687,7 +2687,7 @@ EOF
   done
 
   echo "'[$]0' \\" >> $1
-  if test `expr -- [$]0 : "'.*"` = 0; then
+  if test `expr " [$]0" : " '.*"` = 0; then
     CONFIGURE_COMMAND="$CONFIGURE_COMMAND '[$]0'"
   else 
     CONFIGURE_COMMAND="$CONFIGURE_COMMAND [$]0"
-Original file line number
+Diff line change
@@ Expand Up / @@ -5,6 +5,7 @@ PHP NEWS @@
     - Core:
       . Fixed bug #74780 (parse_url() borken when query string contains colon).
         (jhdxr)
+      . Fixed bug #74761 (Unary operator expected error on some systems). (petk)
     - SPL:
       . Fixed bug #73471 (PHP freezes with AppendIterator). (jhdxr)
@@ Expand Down @@