URL:
<http://savannah.gnu.org/bugs/?20133>
Summary: 'make -p' always uses ':=' for pattern-specific
variable assignments
Project: make
Submitted by: agent
Submitted on: Saturday 06/09/2007 at 17:37
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
_______________________________________________________
Details:
Hi~
I've found that "make --print-data-base" produces the following bogus output
for the pattern-specific variable assignment "%.x: FOO = $(BAR)":
# Pattern-specific Variable Values
%.x :
# makefile (from `a.mk', line 1)
# FOO := $$(BAR)
You see, it's totally wrong...Also, 'make -p' lazily treats both "+=" and
"?=" as ":=". Sigh.
It's worth mentioning that target-specific variable assignments work fine
though.
As I mentioned earlier in bug-make that I've been building a makefile AST
evaluator in Perl atop the database printing feature of make. Now that I've
successfully passed 45% of the official test suite, fixing bugs like this
will definitely help me (and other people in the future?) proceed more
smoothly :)
Thanks!
agentz
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