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dockcross: Check if "/proc/version" exists and fix error on MacOSX. Fixes #94

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This commit will avoid the following error from being reported
on MacOSX:

```
docker run --rm dockcross/linux-armv7 > ./dockcross-linux-armv7
chmod +x ./dockcross-linux-armv7
./dockcross-linux-armv7 bash -c '$CC test/C/hello.c -o hello_arm'
grep: /proc/version: No such file or directory
grep: /proc/version: No such file or directory
```

Reported-by: Chris Warth <cswarth@gmail.com>
This commit is contained in:
Jean-Christophe Fillion-Robin
2016-12-05 01:32:14 -05:00
parent c2f98fe1bd
commit 2511a92d17
1 changed files with 2 additions and 2 deletions
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imagefiles/dockcross
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@@ -172,9 +172,9 @@ fi
FINAL_ARGS=${ARG_ARGS-${DOCKCROSS_ARGS}}
# Bash on Ubuntu on Windows
UBUNTU_ON_WINDOWS=$(grep -l Microsoft /proc/version)
UBUNTU_ON_WINDOWS=$([ -e /proc/version ] && grep -l Microsoft /proc/version || echo "")
# MSYS, Git Bash, etc.
MSYS=$(grep -l MINGW /proc/version)
MSYS=$([ -e /proc/version ] && grep -l MINGW /proc/version || echo "")
if [ -z "$UBUNTU_ON_WINDOWS" -a -z "$MSYS" ]; then
USER_IDS="-e BUILDER_UID=$( id -u ) -e BUILDER_GID=$( id -g ) -e BUILDER_USER=$( id -un ) -e BUILDER_GROUP=$( id -gn )"