Make Q's

[bruce.labitt at autoliv.com]

kevin_d_clark at comcast.net (Kevin D. Clark) wrote on 09/17/2009 12:03:20 
PM:

> 
> bruce.labitt at autoliv.com writes:
> 
> > There are two files that need to be compiled with gcc, and five with 
g++.
> 
> (completely un-tested)
> 
> MYFLAGS=-g -Werror -Wall -Wcast-qual
> CFLAGS=$(MYFLAGS)
> CXXFLAGS=$(MYFLAGS)
> 
> # we define _XOPEN_SOURCE because....
> # we define _GNU_SOURCE because ....
> # modify to suit to your situation
> CPPFLAGS=-D_XOPEN_SOURCE=500 -D_GNU_SOURCE

where are CPPFLAGS used below?

> 
> # file1 and file2 are C files, the rest are C++ files
> OBJS=file1.o file2.o file3.o file4.o file5.o file6.o file7.o
> 
> .PHONY: all clean war
> 
> all: myproject
> 
> clean: $(RM) $(OBJS) myproject.o
> 
> myproject: myproject.o $(OBJS)
>         $(CXX) $(CXXFLAGS) $+ -o $@ $(LDFLAGS)
> 
> war:
>         @echo make love not war
> 
> 

How is CXX defined?  Will this automagically select gcc for *.c and g++ 
for *.cpp?
How can the dependencies (header files) be pulled in?

> 
> Hope this helps,
> 
> --kevin
> -- 
> GnuPG ID: B280F24E                God, I loved that Pontiac.
> alumni.unh.edu!kdc                -- Tom Waits
> http://kdc-blog.blogspot.com/ 


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