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cpupower: Disable direct build of the 'bench' subproject

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Execution of the 'make' command in the 'bench' subfolder causes the
following error:

$ make O=cpupower/build/ DESTDIR=cpupower/install/ -j8
"  CC      " cpupower/build//main.o
"  CC      " cpupower/build//parse.o
/bin/sh: 1: "  CC      "cpupower/build//system.o
  CC      : not found
  make: *** [Makefile:21: cpupower/build//main.o] Error 127
  make: *** Waiting for unfinished jobs....
  /bin/sh: 1:   CC      : not found
  /bin/sh: 1:   CC      : not found
  make: *** [Makefile:21: cpupower/build//parse.o] Error 127
  make: *** [Makefile:21: cpupower/build//system.o] Error 127

The makefile uses variables defined in the main project makefile and it
is not intended to run standalone. The reason is that 'bench' subproject
depends on the 'libcpupower' library, see the 'compile-bench' target in
the main makefile.
Add a check that prevents standalone execution of the 'bench' makefile.

Signed-off-by: Roman Storozhenko <romeusmeister@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Roman Storozhenko 2024-06-26 18:45:17 +02:00 committed by Shuah Khan
parent 3e1f12c266
commit cdaed24abf
1 changed files with 5 additions and 0 deletions
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5
tools/power/cpupower/bench/Makefile
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@ -1,4 +1,9 @@
# SPDX-License-Identifier: GPL-2.0
ifeq ($(MAKELEVEL),0)
$(error This Makefile is not intended to be run standalone, but only as a part \
of the main one in the parent dir)
endif
OUTPUT := ./
ifeq ("$(origin O)", "command line")
ifneq ($(O),)