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Fix a bug in Python build scripts where an extra ending slash in the

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build directory would cause REV_BUILD_DIR to be set incorrectly and
would lead to a broken Makefile being generated.

What would happen before:

```
$ python scripts/mk_make.py --build FOO_1
...
REV_BUILD_DIR='..'
```

```
$ python scripts/mk_make.py --build FOO_1/
...
REV_BUILD_DIR='../..'
```
^^^^^ that's wrong. It should be REV_BUILD_DIR='..'

To fix this the ``reverse_path()`` function has been taught to ignore empty
components in ``p.split(os.sep)``.
This commit is contained in:
Dan Liew 2016-02-05 14:51:15 +00:00
parent 33f676ef6b
commit 508d2e32c8
1 changed files with 2 additions and 1 deletions
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3
scripts/mk_util.py
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@ -742,7 +742,8 @@ def extract_c_includes(fname):
# Given a path dir1/subdir2/subdir3 returns ../../.. # Given a path dir1/subdir2/subdir3 returns ../../..
def reverse_path(p): def reverse_path(p):
l = p.split(os.sep) # Filter out empty components (e.g. will have one if path ends in a slash)
l = list(filter(lambda x: len(x) > 0, p.split(os.sep)))
n = len(l) n = len(l)
r = '..' r = '..'
for i in range(1, n): for i in range(1, n):