ld does not alias with .lib files. Of course, you can use .a files instead, if
you are able to generate them. Below is a makefile that generates an error. The
makefile requires components of VC Express to generate a .lib, namely lib.exe,
link.exe and mspdb80.dll.
The makefile generates two variants of a small application: one by using a .lib
file and one by using a .a file. The first variant does not work, because it
does not alias. But the "real-life application" by which I signaled the problem
does only not work when a .dll is generated with the .lib file (say,
foo_test_lib.dll). I have not been able yet to isolate the reason for that.
all: foo_test_a.exe foo_test_lib.exe
clean:
del foo*.*
foo.cpp:
echo extern "C" __declspec(dllexport) int foo() > 1.tmp
echo { return 3840; } > 2.tmp
copy /b 1.tmp+2.tmp foo.cpp
del ?.tmp
foo.def:
echo LIBRARY foo > 1.tmp
echo EXPORTS > 2.tmp
echo foo > 3.tmp
echo bar = foo > 4.tmp
copy /b 1.tmp+2.tmp+3.tmp+4.tmp foo.def
del ?.tmp
foo.dll: foo.cpp
g++ -shared foo.cpp -o foo.dll
foo.lib: foo.def
lib /def:foo.def
del foo.exp
foo.a: foo.def
dlltool -d foo.def -l foo.a
foo_test.cpp:
echo #include "stdio.h" > 1.tmp
echo extern "C" __declspec(dllimport) int bar(); > 2.tmp
echo main() { printf("%%x\n", bar()); } > 3.tmp
copy /b 1.tmp+2.tmp+3.tmp foo_test.cpp
del ?.tmp
foo_test.o: foo_test.cpp
g++ -c foo_test.cpp -o foo_test.o
foo_test_a.exe: foo_test.o foo.a foo.dll
g++ foo_test.o -o foo_test_a.exe -Wl,foo.a
foo_test_lib.exe: foo_test.cpp foo.lib foo.dll
g++ foo_test.o -o foo_test_lib.exe -Wl,foo.lib
--
Summary: ld does not alias with .lib files
Product: binutils
Version: 2.15
Status: NEW
Severity: normal
Priority: P2
Component: ld
AssignedTo: unassigned at sources dot redhat dot com
ReportedBy: MichieldeB at aim dot com
CC: bug-binutils at gnu dot org,nickc at redhat dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=5305
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