Update #4272.
---
wscript | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/wscript b/wscript
index 6c81083b2c..e43ae8ba3e 100755
--- a/wscript
+++ b/wscript
@@ -976,6 +976,17 @@ class OptionItem(Item):
def _find_program(self, conf, cic, value, arg):
return conf.find_program(value, path_list=cic.path_list)
+ def _find_optional_program(self, conf, cic, value, arg):
+ from waflib.Errors import ConfigurationError
+ try:
+ program = conf.find_program(value, path_list=cic.path_list)
+ except ConfigurationError:
+ return None
+ else:
+ name = self.data["name"] if arg is None else arg
+ conf.env.append_value("ENABLE", "HAVE_" + name)
+ return program
+
def _format_and_define(self, conf, cic, value, arg):
name = self.data["name"] if arg is None else arg
if value is not None:
@@ -1107,6 +1118,7 @@ class OptionItem(Item):
"env-assign": self._env_assign,
"env-enable": self._env_enable,
"find-program": self._find_program,
+ "find-optional-program": self._find_optional_program,
"format-and-define": self._format_and_define,
"get-boolean": self._get_boolean,
"get-env": self._get_env,
--
2.35.3
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