URL:
<http://savannah.gnu.org/bugs/?27396>
Summary: add version of include that treats paths as
relative to the included file's directory
Project: make
Submitted by: None
Submitted on: Mon 07 Sep 2009 05:47:46 PM UTC
Severity: 3 - Normal
Item Group: Enhancement
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Component Version: 3.81
Operating System: Any
Fixed Release: None
Triage Status: None
_______________________________________________________
Details:
Consider the following Makefile:
-----
lib1.a: lib1.a(foo.o) lib1.a(bar.o)
foo.o: lib.h
bar.o: lib.h bar.h
-----
In another directory I'd like to be able to do the following:
-----
all: prog
prog: main.o ../lib/lib1.a
@include ../lib/Makefile
-----
The @include would treat all the relative pathnames in ../lib/Makefile as
relative to ../lib, yielding the equivalent of:
-----
../lib/lib1.a: ../lib/lib1.a(../lib/foo.o) ../lib/lib1.a(../lib/bar.o)
../lib/foo.o: ../lib/lib.h
../lib/bar.o: ../lib/lib.h ../lib/bar.h
-----
The syntax of @include could be something else - maybe include
@../lib/Makefile, or some other idea. It should work with -include, so
@-include or -...@include if you want both (or -include @../lib/Makefile for
that
syntax).
This is intended to make non-recursive build trees easier to create. You'd
still need to use target-specific variables and such, but this would make
things easier. In particular, you could @include a gcc-generated dependency
file and have it do the right thing.
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