Re: Request for help in setting a variable in GNU Make.

[John Graham-Cumming]

Louie McCrady wrote:
> objectFiles = $(patsubst %.cpp,%.o,$(wildcard *.cpp))
> sourceFiles = "hello"
>
> myprog.exe : $(objectFiles)
>         @echo "all sources to be compiled :  $(sourceFiles)"
>
> %.o : %.cpp
>         @echo "Adding $< to the list to be compiled"
>         set sourceFiles += $<
>         @echo "sanity check: --- $(sourceFiles) --- $@ --- $< ---"

If you want to be really evil (i.e. break lots of Paul's rules) you can 
do this:

   OBJS := $(wildcard *.cpp)
   OBJS := $(OBJS:.cpp=.o)

   .PHONY: all
   all: $(OBJS)
       @echo $(SRCS) is the list of CPP files to recompile

   %.o : %.cpp
       $(eval SRCS += $<)

John.
--
John Graham-Cumming
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