diff options
Diffstat (limited to 'docs/markdown/Reference-manual.md')
| -rw-r--r-- | docs/markdown/Reference-manual.md | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/docs/markdown/Reference-manual.md b/docs/markdown/Reference-manual.md index 8d0d123..f2d2129 100644 --- a/docs/markdown/Reference-manual.md +++ b/docs/markdown/Reference-manual.md @@ -1760,7 +1760,9 @@ the following methods: the `prefix` keyword. In order to look for headers in a specific directory you can use `args : '-I/extra/include/dir`, but this should only be used in exceptional cases for includes that can't be - detected via pkg-config and passed via `dependencies`. + detected via pkg-config and passed via `dependencies`. Since *0.50.0* the + `required` keyword argument can be used to abort if the header cannot be + found. - `has_header` returns true if the specified header *exists*, and is faster than `check_header()` since it only does a pre-processor check. @@ -1769,13 +1771,16 @@ the following methods: the `prefix` keyword. In order to look for headers in a specific directory you can use `args : '-I/extra/include/dir`, but this should only be used in exceptional cases for includes that can't be - detected via pkg-config and passed via `dependencies`. + detected via pkg-config and passed via `dependencies`. Since *0.50.0* the + `required` keyword argument can be used to abort if the header cannot be + found. - `has_header_symbol(headername, symbolname)` allows one to detect whether a particular symbol (function, variable, #define, type definition, etc) is declared in the specified header, you can specify external dependencies to use with `dependencies` keyword - argument. + argument. Since *0.50.0* the `required` keyword argument can be used to abort + if the symbol cannot be found. - `has_member(typename, membername)` takes two arguments, type name and member name and returns true if the type has the specified |