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| author | Edward Z. Yang <ezyang@cs.stanford.edu> | 2016-08-29 21:20:58 -0700 |
|---|---|---|
| committer | Edward Z. Yang <ezyang@cs.stanford.edu> | 2016-10-08 00:20:34 -0700 |
| commit | 3b9e45e587447b20e7a8cbe33424f9a4b1b4ec72 (patch) | |
| tree | 7eced6803ba98086d47b2abc91fe1dc9306c0c5c /compiler | |
| parent | 082991a89174f814ab12535a0ffbc06183d917e1 (diff) | |
| download | haskell-3b9e45e587447b20e7a8cbe33424f9a4b1b4ec72.tar.gz | |
Note about external interface changes.
Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/main/GhcMake.hs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler/main/GhcMake.hs b/compiler/main/GhcMake.hs index 0705b14962..0adee6e738 100644 --- a/compiler/main/GhcMake.hs +++ b/compiler/main/GhcMake.hs @@ -601,6 +601,11 @@ unload hsc_env stable_linkables -- Unload everthing *except* 'stable_linkables' - Note that objects are only considered stable if they only depend on other objects. We can't link object code against byte code. + + - Note that even if an object is stable, we may end up recompiling + if the interface is out of date because an *external* interface + has changed. The current code in GhcMake handles this case + fairly poorly, so be careful. -} checkStability :: HomePackageTable -- HPT from last compilation |