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Matthias Pieroth
Guest
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 Posted: Thu Mar 04, 2004 3:27 pm Post subject: Makefile question |
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Hi NG,
I have the following MakeFile:
# Compiler
#---------------------------------------
CC = g++
APP = snake-client
# Compilerflags
#---------------------------------------
#CFLAGS += -O2
# Libraries
#---------------------------------------
LIB = -lncurses
# Sourcedateien
#---------------------------------------
SRC = snake-client.cpp CCursesWrapper.cpp
# Objektdateien
#---------------------------------------
OBJ = $(SRC:.cpp=.o)
$(APP): $(OBJ)
$(CC) $(OBJ) -o $(APP) $(LIB)
clean:
rm *.o
My problem is, I have a CCursesWrapper.h. I want to add this file to the
MakeFile, so that it will be included and newly compiled if I change the
CCursesWrapper.h. How can I do this?
Thank you
Matthias
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Emanuel Ziegler
Guest
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| Posted: Thu Mar 04, 2004 3:46 pm Post subject: Re: Makefile question |
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Matthias Pieroth wrote:
| Quote: | My problem is, I have a CCursesWrapper.h. I want to add this file to the
MakeFile, so that it will be included and newly compiled if I change the
CCursesWrapper.h. How can I do this?
|
I think you want to recompile CCursesWarpper.o whenever CCursesWarpper.cpp
or CCursesWrapper.h is changed. So, you simply have to add a rule for
CCursesWrapper.o like
CCursesWrapper.o: CCursesWrapper.cpp CCursesWrapper.h
$(CC) -c -o $@ $< $(LIB)
if CCursesWrapper.h is located in the current directory (otherwise you have
to add -I
for the directory of CCursesWrapper.h).
HTH
Emanuel
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Gianni Mariani
Guest
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| Posted: Thu Mar 04, 2004 3:59 pm Post subject: Re: Makefile question [OFF TOPIC] |
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Matthias Pieroth wrote:
Hi NG,
this is off-topic for comp.lang.c++. Try posting to comp.programming.
| Quote: | I have the following MakeFile:
....
My problem is, I have a CCursesWrapper.h. I want to add this file to the
MakeFile, so that it will be included and newly compiled if I change the
CCursesWrapper.h. How can I do this?
|
you'll need to add the rule
$(OBJ) : CCursesWrapper.h
# no commands...
However - if you want all this to happen automagically, use MakeXS.
(shameless plug)
http://www.makexs.com
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Jorge Rivera
Guest
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| Posted: Fri Mar 05, 2004 4:43 am Post subject: Re: Makefile question |
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Matthias Pieroth wrote:
| Quote: | Hi NG,
I have the following MakeFile:
# Compiler
#---------------------------------------
CC = g++
APP = snake-client
# Compilerflags
#---------------------------------------
#CFLAGS += -O2
# Libraries
#---------------------------------------
LIB = -lncurses
# Sourcedateien
#---------------------------------------
SRC = snake-client.cpp CCursesWrapper.cpp
# Objektdateien
#---------------------------------------
OBJ = $(SRC:.cpp=.o)
$(APP): $(OBJ)
$(CC) $(OBJ) -o $(APP) $(LIB)
clean:
rm *.o
My problem is, I have a CCursesWrapper.h. I want to add this file to the
MakeFile, so that it will be included and newly compiled if I change the
CCursesWrapper.h. How can I do this?
Thank you
Matthias
|
You can automate this process somewhat...
Do a man on mkdepends. Read carefully. It writes rules, but it changes
your Makefile while doing it. It is nice because it will run a
preprocessor on your source files and determine all the header files it
requires. It then proceeds to create rules and append them to your Makefile
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