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Wyatt IV" To: Shuah Khan Cc: "John B. Wyatt IV" , linux-pm@vger.kernel.org, Thomas Renninger , Shuah Khan , "Rafael J. Wysocki" , Linus Torvalds , linux-kernel@vger.kernel.org, John Kacur , Tomas Glozar , Arnaldo Melo , Greg Kroah-Hartman , "John B. Wyatt IV" Subject: [PATCH 1/1] pm:cpupower: Add error warning when SWIG is not installed Date: Fri, 6 Sep 2024 09:00:06 -0400 Message-ID: <20240906130010.93773-1-jwyatt@redhat.com> X-Mailer: git-send-email 2.46.0 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add error message to better explain to the user when SWIG and python-config is missing from the path. Makefile was cleaned up and unneeded elements were removed. Suggested-by: Shuah Khan Signed-off-by: John B. Wyatt IV Signed-off-by: John B. Wyatt IV --- tools/power/cpupower/bindings/python/Makefile | 20 ++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) diff --git a/tools/power/cpupower/bindings/python/Makefile b/tools/power/cpupower/bindings/python/Makefile index d0418f902795..dc09c5b66ead 100644 --- a/tools/power/cpupower/bindings/python/Makefile +++ b/tools/power/cpupower/bindings/python/Makefile @@ -4,26 +4,28 @@ # This Makefile expects you have already run the makefile for cpupower to build # the .o files in the lib directory for the bindings to be created. -CC=gcc - -LIB_DIR = ../../lib -BIND_DIR = . -PY_INCLUDE := $(firstword $(shell python-config --includes)) -#PY_INCLUDE = $(shell python-config --includes | awk '{ print $1 }') +CC := gcc +HAVE_SWIG := $(shell if which swig >/dev/null 2>&1; then echo 1; else echo 0; fi) +HAVE_PYCONFIG := $(shell if which python-config >/dev/null 2>&1; then echo 1; else echo 0; fi) +LIB_DIR := ../../lib +PY_INCLUDE = $(firstword $(shell python-config --includes)) OBJECTS_LIB = $(wildcard $(LIB_DIR)/*.o) -OBJECTS_BIND = $(wildcard $(BIND_DIR)/*.o) all: _raw_pylibcpupower.so _raw_pylibcpupower.so: raw_pylibcpupower_wrap.o - $(CC) -shared $(OBJECTS_LIB) raw_pylibcpupower_wrap.o -o _raw_pylibcpupower.so # raw_pylibcpupower_wrap.o -# $(CC) -shared $(OBJECTS_BIND) $(OBJECTS_LIB) -o _raw_pylibcpupower.so # raw_pylibcpupower_wrap.o + $(CC) -shared $(OBJECTS_LIB) raw_pylibcpupower_wrap.o -o _raw_pylibcpupower.so raw_pylibcpupower_wrap.o: raw_pylibcpupower_wrap.c $(CC) -fPIC -c raw_pylibcpupower_wrap.c $(PY_INCLUDE) raw_pylibcpupower_wrap.c: raw_pylibcpupower.i +ifeq ($(HAVE_SWIG),0) + $(error "swig was not found. Make sure you have it installed and in the PATH to generate the bindings.") +else ifeq ($(HAVE_PYCONFIG),0) + $(error "python-config was not found. Make sure you have it installed and in the PATH to generate the bindings.") +endif swig -python raw_pylibcpupower.i # Will only clean the bindings folder; will not clean the actual cpupower folder