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Formerly variable.c.~19~

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This commit is contained in:
Roland McGrath 1993-02-21 19:28:30 +00:00
parent db6a102206
commit 17bc902648
1 changed files with 11 additions and 1 deletions
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12
variable.c
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@ -548,7 +548,9 @@ target_environment (file)
If not, NULL is returned. */
struct variable *
try_variable_definition (line, origin)
try_variable_definition (filename, lineno, line, origin)
char *filename;
unsigned int lineno;
char *line;
enum variable_origin origin;
{
@ -594,6 +596,14 @@ try_variable_definition (line, origin)
expanded_name = allocated_variable_expand (name);
free (name);
if (expanded_name[0] == '\0')
{
if (filename == 0)
fatal ("empty variable name");
else
makefile_fatal (filename, lineno, "empty variable name");
}
v = define_variable (expanded_name, strlen (expanded_name),
recursive ? p : variable_expand (p),
origin, recursive);