Add new feature: != shell assignment for portability with BSD make.

Feature submitted by David Wheeler.

1 files changed, 4 insertions, 1 deletions

diff --git a/variable.h b/variable.h
index 04ca074..e930279 100644
--- a/variable.h
+++ b/variable.h
@@ -38,7 +38,8 @@ enum variable_flavor
     f_simple,           /* Simple definition (:=) */
     f_recursive,        /* Recursive definition (=) */
     f_append,           /* Appending definition (+=) */
-    f_conditional       /* Conditional definition (?=) */
+    f_conditional,      /* Conditional definition (?=) */
+    f_shell             /* Shell assignment (!=) */
   };
 
 /* Structure that represents one variable definition.
@@ -134,6 +135,8 @@ char *patsubst_expand_pat (char *o, const char *text, const char *pattern,
                            const char *replace, const char *pattern_percent,
                            const char *replace_percent);
 char *patsubst_expand (char *o, const char *text, char *pattern, char *replace);
+char *func_shell_base (char *o, char **argv, int trim_newlines);
+
 
 /* expand.c */
 char *recursively_expand_for_file (struct variable *v, struct file *file);