URL:
<http://savannah.gnu.org/bugs/?34806>
Summary: target-specific variable with conditional assignment
generates garbage
Project: make
Submitted by: None
Submitted on: Sat 12 Nov 2011 12:06:18 AM UTC
Severity: 3 - Normal
Item Group: Bug
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Component Version: 3.81
Operating System: POSIX-Based
Fixed Release: None
Triage Status: None
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Details:
Target-specific variable conditional assignment is broken.
The following Makefile:
DEFAULT=1234
all: VAR ?= $(DEFAULT)
all:
@echo VAR=$(VAR)
prints '1234' when invoked as 'make' but when invoked as 'make VAR=5678' will
print garbage characters.
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