Add --with-libedit flag to the readline package
It would be useful for the readline package to support compiling against the libedit library (which provides a subset of the readline APIs):
- libedit is available by default on OS X.
- since libedit is BSD-licensed, there are no problems statically linking ghc with it. (This may be useful on Windows.)
I propose adding a --with-libedit flag to the readline autoconf script. Without that flag, the package will behave exactly as before, refusing to link against libedit. With that flag, the following behavior occurs:
-
GNUreadline.framework(OS X - only) is ignored, if present - We try to link with -lreadline, and don't fail if readline is actually libedit.
- If it is libedit, we #ifdef out all of the functions not supported by libedit. (these are generally low-level APIs not needed by most applications, including
ghci.) Otherwise, if we're linking against GNU readline, we support all the available APIs.
Suggested deadline: Jan. 23, 2008.
Trac metadata
| Trac field | Value |
|---|---|
| Version | |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | libraries (other) |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | Multiple |
| Architecture | Multiple |