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-rw-r--r--build2/utility.hxx25
1 files changed, 14 insertions, 11 deletions
diff --git a/build2/utility.hxx b/build2/utility.hxx
index db6460c..cfdaee0 100644
--- a/build2/utility.hxx
+++ b/build2/utility.hxx
@@ -511,51 +511,54 @@ namespace build2
bool
find_options (initializer_list<const char*>, const cstrings&, bool = false);
- // As above but look for an option that has the specified prefix.
+ // As above but look for an option that has the specified prefix. Return the
+ // pointer to option or NULL if not found (thus can be used as bool).
+ // Search backward (which is normall consistent with how options override
+ // each other).
//
template <typename T>
- bool
+ const string*
find_option_prefix (const char* prefix, T&, const variable&, bool = false);
template <typename T>
- bool
+ const string*
find_option_prefix (const char* prefix, T&, const char*, bool = false);
- bool
+ const string*
find_option_prefix (const char* prefix, const lookup&, bool = false);
- bool
+ const string*
find_option_prefix (const char* prefix, const strings&, bool = false);
- bool
+ const char*
find_option_prefix (const char* prefix, const cstrings&, bool = false);
// As above but look for several option prefixes.
//
template <typename T>
- bool
+ const string*
find_option_prefixes (initializer_list<const char*>,
T&,
const variable&,
bool = false);
template <typename T>
- bool
+ const string*
find_option_prefixes (initializer_list<const char*>,
T&,
const char*,
bool = false);
- bool
+ const string*
find_option_prefixes (initializer_list<const char*>,
const lookup&, bool = false);
- bool
+ const string*
find_option_prefixes (initializer_list<const char*>,
const strings&,
bool = false);
- bool
+ const char*
find_option_prefixes (initializer_list<const char*>,
const cstrings&,
bool = false);