ktest: Add DEFINED keyword for IF statements
Have IF statements process if a config variable or option has been
defined or not. Can use NOT DEFINED in the case for telling if
a variable or option has not been defined.
DEFAULTS IF NOT DEFINED SSH_USER
SSH_USER = root
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 7bce412..76a5964 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -396,6 +396,13 @@
return $ret;
}
+sub value_defined {
+ my ($val) = @_;
+
+ return defined($variable{$2}) ||
+ defined($opt{$2});
+}
+
sub process_if {
my ($name, $value) = @_;
@@ -409,13 +416,21 @@
return $ret;
}
+ if ($val =~ /^\s*(NOT\s*)?DEFINED\s+(\S+)\s*$/) {
+ if (defined $1) {
+ return !value_defined($2);
+ } else {
+ return value_defined($2);
+ }
+ }
+
if ($val =~ /^\s*0\s*$/) {
return 0;
} elsif ($val =~ /^\s*\d+\s*$/) {
return 1;
}
- die ("$name: $.: Undefined variable $val in if statement\n");
+ die ("$name: $.: Undefined content $val in if statement\n");
return 1;
}
diff --git a/tools/testing/ktest/sample.conf b/tools/testing/ktest/sample.conf
index 0fd3ca3..7b49f07 100644
--- a/tools/testing/ktest/sample.conf
+++ b/tools/testing/ktest/sample.conf
@@ -137,6 +137,23 @@
# ELSE
# BUILD_TYPE = useconfig:${CONFIG_DIR}/config-64
#
+# The DEFINED keyword can be used by the IF statements too.
+# It returns true if the given config variable or option has been defined
+# or false otherwise.
+#
+#
+# DEFAULTS IF DEFINED USE_CC
+# CC := ${USE_CC}
+# ELSE
+# CC := gcc
+#
+#
+# As well as NOT DEFINED.
+#
+# DEFAULTS IF NOT DEFINED MAKE_CMD
+# MAKE_CMD := make ARCH=x86
+#
+#
#
# INCLUDE file
#