make use of make variable CURDIR instead of calling pwd
make already provides the current working directory in a variable, so make
use of it instead of forking a shell. Also replace usage of PWD by
CURDIR. PWD is provided by most shells, but not all, so this makes the
build system more robust.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Michal Marek <mmarek@suse.com>
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index 12b7304..b1e3228 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -119,10 +119,10 @@
# Trick to allow make to be run from this directory
all:
- $(MAKE) -C ../../ $$PWD/
+ $(MAKE) -C ../../ $(CURDIR)/
clean:
- $(MAKE) -C ../../ M=$$PWD clean
+ $(MAKE) -C ../../ M=$(CURDIR) clean
@rm -f *~
# Verify LLVM compiler tools are available and bpf target is supported by llc