RE: variable value lost with "include" directive

[Leeuwesteijn,Joost]

> I am having something like below:
> $pwd/Makefile:
> VPATH:= ./foo:./boo
> include ../../bin/Makefile
> and in ../../bin/Makefile:
> VPATH+=../include
> target1:include_file1 file_from_directory_foo file_from_directory_boo
> <TAB>gcc $^
> When I attempt running in $pwd
> %gmake target_1
> 
> It complains about include_file not found.

Who/what complains about "include_file/include_file1 not found"? Make or the
compiler? You should also add a search path to the compiler flags (-I ...);
VPATH doesn't do that.
Make only checks if files are up to date, but the compiler also needs to
find the include file in order to compile target_1/target1.

You also might want to use $< instead of $^. Check the manual for the
difference.

Check chapter 4.4.1 and 4.4.4 (manual version 3.81, april 2006) again for
more info/examples.

Regards,
Joost Leeuwesteijn


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