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{ "defaults":
{ "doc": ["A rule to provide defaults for pkgconfig"]
, "string_fields": ["pkg-config", "PATH", "PKG_CONFIG_PATH"]
, "target_fields": ["base"]
, "field_doc":
{ "pkg-config":
["The name of the pkg-config binary to use, potentially with full path."]
, "PATH": ["Additional paths to add to \"PATH\" when calling pkg-config"]
, "PKG_CONFIG_PATH":
[ "Additional paths to add to \"PKG_CONFIG_PATH\" when calling pkg-config"
]
, "base": ["Other targets (using the same rule) to inherit from."]
}
, "imports":
{ "base-provides": ["./", "..", "defaults-base-provides"]
, "base-provides-++": ["./", "..", "defaults-base-provides-++"]
, "nub_left": ["", "nub_left"]
}
, "expression":
{ "type": "let*"
, "bindings":
[ ["pkg-config", {"type": "FIELD", "name": "pkg-config"}]
, ["provider", "pkg-config"]
, [ "pkg-config"
, { "type": "if"
, "cond": {"type": "var", "name": "pkg-config"}
, "then": {"type": "var", "name": "pkg-config"}
, "else": {"type": "CALL_EXPRESSION", "name": "base-provides"}
}
]
, ["PATH", {"type": "FIELD", "name": "PATH"}]
, ["provider", "PATH"]
, [ "PATH"
, { "type": "++"
, "$1":
[ {"type": "var", "name": "PATH"}
, {"type": "CALL_EXPRESSION", "name": "base-provides-++"}
]
}
]
, [ "PATH"
, { "type": "let*"
, "bindings": [["list", {"type": "var", "name": "PATH"}]]
, "body": {"type": "CALL_EXPRESSION", "name": "nub_left"}
}
]
, ["PKG_CONFIG_PATH", {"type": "FIELD", "name": "PKG_CONFIG_PATH"}]
, ["provider", "PKG_CONFIG_PATH"]
, [ "PKG_CONFIG_PATH"
, { "type": "++"
, "$1":
[ {"type": "var", "name": "PKG_CONFIG_PATH"}
, {"type": "CALL_EXPRESSION", "name": "base-provides-++"}
]
}
]
, [ "PKG_CONFIG_PATH"
, { "type": "let*"
, "bindings": [["list", {"type": "var", "name": "PKG_CONFIG_PATH"}]]
, "body": {"type": "CALL_EXPRESSION", "name": "nub_left"}
}
]
]
, "body":
{ "type": "RESULT"
, "provides":
{"type": "env", "vars": ["pkg-config", "PATH", "PKG_CONFIG_PATH"]}
}
}
}
, "system_library":
{ "doc": ["A system library via pkg-config"]
, "string_fields": ["name", "args", "stage"]
, "implicit":
{ "defaults": [["./", "..", "defaults"]]
, "shell defaults": [["shell", "defaults"]]
, "add_rpath": ["add_rpath"]
, "pkgconfig defaults": ["defaults"]
}
, "config_vars": ["PKG_CONFIG_ARGS", "ENV"]
, "field_doc":
{ "name": ["The pkg-config name of the library."]
, "args":
[ "Additional pkg-config arguments (e.g., \"--define-prefix\" or"
, "\"--static\"), appended to the config variable \"PKG_CONFIG_ARGS\"."
]
, "stage": ["The stage of the internally created flag files."]
, "defaults": ["The C/C++ toolchain to use"]
, "pkgconfig defaults": ["The pkgconfig configuration to use"]
}
, "config_doc":
{ "PKG_CONFIG_ARGS":
[ "Additional pkg-config arguments (e.g., \"--define-prefix\" or"
, "\"--static\")."
]
, "ENV":
[ "The environment for any action generated. May contain colon-separated"
, "\"PKG_CONFIG_PATH\" for looking up pkg-config files; this variable,"
, "as well as \"PATH\", is prefixed by the values provided in"
, "the \"defaults\"."
]
}
, "imports": {"pkgconfig result": "pkgconfig result"}
, "expression":
{ "type": "let*"
, "bindings":
[ [ "name"
, { "type": "assert_non_empty"
, "msg": "system_library requires non-empty name"
, "$1": {"type": "join", "$1": {"type": "FIELD", "name": "name"}}
}
]
, [ "args"
, { "type": "++"
, "$1":
[ {"type": "var", "name": "PKG_CONFIG_ARGS", "default": []}
, {"type": "FIELD", "name": "args"}
]
}
]
, [ "stage"
, { "type": "join"
, "separator": "/"
, "$1": {"type": "FIELD", "name": "stage"}
}
]
]
, "body": {"type": "CALL_EXPRESSION", "name": "pkgconfig result"}
}
}
}
|
