我有一个简单的Makefile。当我不在依赖列表中使用变量时,它工作正常。否则,它给休耕错误:Makefile依赖变量
make: *** No rule to make target 'ext/configXML.o', needed by 'libledrgb-jni.so'. Stop.
而且当我这样做
make print-LED-CFG-SRC
LED-CFG-SRC = ../led-cfg/src
所以值设置正确,altough如果我明确的补充规则,此文件:
ext/configXML.o: $(LED-CFG-SRC)/%.cc
@echo 'Building file: $<'
@${CXX} $(CXXFLAGS) -c -o "[email protected]" "$<"
它看起来像问题是用LED-CFG-SRC源文件:
make ext/configXML.o
make: *** No rule to make target '/configXML.cc', needed by 'ext/configXML.o'. Stop.
但该文件存在:
make list
ls -la ../led-cfg/src
total 340
drwxrwxr-x 2 gigi gigi 4096 lip 27 13:10 .
drwxrwxr-x 12 gigi gigi 4096 lip 28 10:08 ..
-rw-rw-r-- 1 gigi gigi 11918 lip 28 09:54 configXML.cc
-rw-rw-r-- 1 gigi gigi 2891 lip 27 13:17 configXML.h
这里的源文件的Makefile:
EXTOBJS = ext/configXML.o ext/packet.o ext/tinyxml2.o ext/crypt.o ext/rozkaz.o
LED-CFG-SRC := ../led-cfg/src/
INCLUDES := -I$(LED-CFG-SRC)
CXXFLAGS := $(INCLUDES)
LIBRARY := libledrgb-jni.so
CXXFLAGS := $(INCLUDES) -fPIC -std=c++14
all: dirs $(LIBRARY)
$(LIBRARY): $(OBJFILES) $(EXTOBJS)
$(CXX) -shared -o [email protected] $^
ext/%.o: $(LED-CFG-SRC)/%.cc
@echo 'Building file: $<'
@${CXX} $(CXXFLAGS) -c -o "[email protected]" "$<"
clean:
rm -rf $(EXTOBJS)
list:
ls -la $(LED-CFG-SRC)
print-% : ; @echo $* = $($*)
.PHONY: clean dirs
我使用GNU使在黑暗4.1
看看用'make print-LED-RGB-SRC'打印的值。它说'../ LED/source/src /',而不是'../ led-cfg/src /'。错别的地方? – Kusalananda
对不起,我已经打印出不同的变量。 –