commit 73cd9002adbfa18f331e85e9a177ebe82dc27ab8
parent 3eaf8675650e79c61dcbe442b7c9df83a9ec5d28
Author: guibou <guillaum.bouchard@gmail.com>
Date: Sat, 16 Sep 2017 19:35:16 +0200
Detail some limitations
Diffstat:
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/README.md b/README.md
@@ -55,11 +55,11 @@ However there is still two configurations variables hardcoded in the wrapper.
Open a bug / pull request if this does not work on your distribution / driver.
-It works with `primus`, but there is some artifacts.
+It works with `primus`, but there is some artifacts, mostly due to the next fundamental issue:
## Fundamental issue
-If your program libraries depends on different version of the same library, for example, this dependency tree:
+If your program libraries depends on different versions of the same library, for example, this dependency tree:
```
program
@@ -69,4 +69,14 @@ program
libBar-1.2
```
-One version or the other of `libBar` may be used. In practice this does not happen a lot.
-\ No newline at end of file
+One version or the other of `libBar` may be used. In practice this does not happen a lot.
+
+A similar issue will happen if your system `libGL.so` depends on some library which are already in your program dependency list. Undefined behaviors can happen.
+
+## Subprocessus
+
+It does not work with subprocessus, that's all ;(
+
+## Haskell Stack `exec`
+
+You need to call `stack --nix exec -- nixGL yourProgram` instead of `nixGL stack exec -- yourProgram` du to the incompatibility with subprocessus. If `nixGL` is not installed in your stack environment, you can use `stack --nix --no-nix-pure exec ...`.
