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Makefile.docker: Detect if running inside a Docker container

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This commit is contained in:
Joakim Gebart 2015-07-21 11:30:03 +02:00
parent 75f38c026b
commit da74abc8c9
1 changed files with 8 additions and 0 deletions
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8
Makefile.docker
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@ -8,6 +8,14 @@ export DOCKER_MAKECMDGOALS_POSSIBLE = \
#
export DOCKER_MAKECMDGOALS = $(filter $(MAKECMDGOALS),$(DOCKER_MAKECMDGOALS_POSSIBLE))
# Docker creates the files .dockerinit and .dockerenv in the root directory of
# the container, we check for the files to determine if we are inside a container.
ifneq (,$(wildcard /.dockerinit /.dockerenv))
export INSIDE_DOCKER := 1
else
export INSIDE_DOCKER := 0
endif
# Default target for building inside a Docker container if nothing was given
export DOCKER_MAKECMDGOALS ?= all
# List of all exported environment variables that shall be passed on to the