URL:
<http://savannah.gnu.org/bugs/?32511>
Summary: Prerequisite libraries can expand to the system
library despite vpath
Project: make
Submitted by: None
Submitted on: Thu 17 Feb 2011 03:05:04 AM UTC
Severity: 3 - Normal
Item Group: Bug
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Component Version: 3.82
Operating System: POSIX-Based
Fixed Release: None
Triage Status: None
_______________________________________________________
Details:
Prerequisite libraries can expand to the system library despite being in a
path in vpath. However, this only seems to occur if the vpath for archives
follows a vpath for another pattern such as headers.
For example if libssl.a and libcrypto.a both exist in /tmp and /usr/lib, both
are prerequisite libraries to an executable, and "vpath %.a /tmp" is set then
both should expand to the version in /tmp. However, only the first one expands
to the version in /tmp. The second one expand to the version in /usr/lib
provided a vpath for a different pattern comes before the "vpath %.a /tmp".
Here is an example makefile:
######## START OF MAKEFILE ###################
LD := gcc
LDFLAGS := -L/tmp
vpath %.h /tmp
vpath %.a /tmp
.LIBPATTERNS=lib%.a lib%.so
example: example.o -lssl -lcrypto
$(LD) $(LDFLAGS) -o $@ $^
######## END OF MAKEFILE ###################
Here is what it does:
#gmake -f Makefile.example
cc -c -o example.o example.c
gcc -L/tmp -o example example.o /tmp/libssl.a /usr/lib/libcrypto.a
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