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Makefile: don't assume python is called python3

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On some architectures, notably on Windows, the official name for the
Python binary from python.org is `python`.  The build system assumes
that python is called `python3`, which breaks under this architecture.

There is already infrastructure in place to determine the name of the
Python binary when building PYOSYS.  Since Python is now always required
to build Yosys, enable this check universally which sets the
`PYTHON_EXECUTABLE` variable.

Then, reuse this variable in other Makefiles as necessary, rather than
hardcoding `python3` everywhere.

Signed-off-by: Sean Cross <sean@xobs.io>
This commit is contained in:
Sean Cross 2019-10-19 14:04:52 +08:00
parent e8ef3fcdfc
commit 82f60ba938
6 changed files with 9 additions and 9 deletions
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4
techlibs/common/Makefile.inc
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@ -9,12 +9,12 @@ GENFILES += techlibs/common/simcells_help.inc
techlibs/common/simlib_help.inc: techlibs/common/cellhelp.py techlibs/common/simlib.v
$(Q) mkdir -p techlibs/common
$(P) python3 $^ > $@.new
$(P) $(PYTHON_EXECUTABLE) $^ > $@.new
$(Q) mv $@.new $@
techlibs/common/simcells_help.inc: techlibs/common/cellhelp.py techlibs/common/simcells.v
$(Q) mkdir -p techlibs/common
$(P) python3 $^ > $@.new
$(P) $(PYTHON_EXECUTABLE) $^ > $@.new
$(Q) mv $@.new $@
kernel/register.o: techlibs/common/simlib_help.inc techlibs/common/simcells_help.inc