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authorPaul Smith <psmith@gnu.org>1999-11-17 07:33:47 +0000
committerPaul Smith <psmith@gnu.org>1999-11-17 07:33:47 +0000
commitebb733c0f9ab045b6fd6245df2baf2e87463e1bc (patch)
treebf5d793b4cc99724673804160f2e5e73889da8cc /variable.c
parent3e26bde6dbc9a8a46d5a1a694e6810e689cbd25a (diff)
downloadgunmake-ebb733c0f9ab045b6fd6245df2baf2e87463e1bc.tar.gz
* Many cleanups and bugfixes.
* New handling of += in target-specific variables.
Diffstat (limited to 'variable.c')
-rw-r--r--variable.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/variable.c b/variable.c
index 47e9da8..7ffe94b 100644
--- a/variable.c
+++ b/variable.c
@@ -678,10 +678,11 @@ target_environment (file)
returned. */
struct variable *
-try_variable_definition (flocp, line, origin)
+try_variable_definition (flocp, line, origin, target_var)
const struct floc *flocp;
char *line;
enum variable_origin origin;
+ int target_var;
{
register int c;
register char *p = line;
@@ -691,6 +692,7 @@ try_variable_definition (flocp, line, origin)
f_simple, f_recursive, f_append, f_conditional } flavor = f_bogus;
char *name, *expanded_name, *value, *alloc_value=NULL;
struct variable *v;
+ int append = 0;
while (1)
{
@@ -800,6 +802,16 @@ try_variable_definition (flocp, line, origin)
value = p;
break;
case f_append:
+ /* If we have += but we're in a target variable context, defer the
+ append until the context expansion. */
+ if (target_var)
+ {
+ append = 1;
+ flavor = f_recursive;
+ value = p;
+ break;
+ }
+
/* An appending variable definition "var += value".
Extract the old value and append the new one. */
v = lookup_variable (expanded_name, strlen (expanded_name));
@@ -939,6 +951,8 @@ try_variable_definition (flocp, line, origin)
v = define_variable (expanded_name, strlen (expanded_name),
value, origin, flavor == f_recursive);
+ v->append = append;
+
if (alloc_value)
free (alloc_value);
free (expanded_name);