Join GitHub today
GitHub is home to over 28 million developers working together to host and review code, manage projects, and build software together.Sign up
Fetching latest commit…
Cannot retrieve the latest commit at this time.
|Failed to load latest commit information.|
MADEIRA-PORT Indended to be used mainly as :DEFSYSTEM-DEPENDS-ON dependency in ASDF systems, but can also be useful outside ASDF systems. The provided component class :MADEIRA-PORT makes it easy to specify implementation (or feature) dependent files as part of an ASDF system definition: (:MADEIRA-PORT <name> :WHEN <feature-expression>) Specifies that the file is to be compiled and loaded only when the feature expression evaluates to true under FEATURE-EVAL for the current implementation. (:MADEIRA-PORT <name> :UNLESS <feature-expression>) Specifies that the file is to be compiled and loaded only when the feature expression evaluates to false under FEATURE-EVAL for the current implementation. Example: (defsystem :foo :serial t :defsystem-depends-on (:madeira-port) :components ((:file "package") (:module "ports" :components ((:madeira-port "sbcl" :when :sbcl) (:madeira-port "ccl" :when :ccl) (:madeira-port "ansi" :unless (:or :sbcl :ccl)))) (:file "foo"))) Also provides FEATURE-EVAL mentioned above, which supports extended feature syntax, allowing expression such as (:FIND-FUNCTION #:EXIT :SB-EXT) Finally, exposes FEATURE-EVAL via EXTEND-FEATURE-SYNTAX, which copies the current readtable, adds extended versions of #+ and #- read macros to it, and assigns it to *READTABLE*.