Re: linking C/C++ lib with Perl h2xs XSUBs.

lib cr libmylib.lib mylib.obj

Check that the makefile assigns simply lib to AR. I suspect it is assigning lib cr

I don't know how this error is arising (someone else might), but I think the lib command will succeed if the cr is removed. You could check by cd'ing to the folder that contains mylib.obj and running lib libmylib.lib mylib.obj
Then cd back to the top level folder and run nmake again.

Cheers,
Rob

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Re^2: linking C/C++ lib with Perl h2xs XSUBs. by Anonymous Monk on Feb 18, 2009 at 05:12 UTC
The OP is introducing it with sub MY::top_targets `$(AR) cr libmylib$(LIB_EXT) $(O_FILES)` [download]	[reply] [d/l]
Re^2: linking C/C++ lib with Perl h2xs XSUBs. by Anonymous Monk on Feb 18, 2009 at 05:24 UTC
I removed the cr command and used lib libmylib.lib mylib.obj in the cmd promot: Below is the error msg: C:\Perl\bin\MyTest2\mylib>lib libmylib.lib mylib.obj Microsoft (R) Library Manager Version 8.00.50727.42 Copyright (C) Microsoft Corporation. All rights reserved. LIB : fatal error LNK1104: cannot open file 'libmylib.lib'	[reply]
Re^3: linking C/C++ lib with Perl h2xs XSUBs. by syphilis (Archbishop) on Feb 18, 2009 at 06:46 UTC
LIB : fatal error LNK1104: cannot open file 'libmylib.lib' Yes - it thinks that libmylib.lib is an input file. Based on the `lib /?` documentation, the following is probably what's needed: `lib /out:libmylib.lib mylib.obj` Cheers, Rob	[reply] [d/l] [select]
Re^4: linking C/C++ lib with Perl h2xs XSUBs. by derrick0627us (Novice) on Mar 06, 2012 at 23:14 UTC
Hi! I followed the same procedure but I am still seeing the same error message after running nmake test. `LINK : fatal error LNK1104: cannot open file 'libmylib.lib'` [download] This is my Makefile.PL `use ExtUtils::MakeMaker; $Verbose = 1; WriteMakefile( NAME => 'Mytest2::mylib', SKIP => [qw(all static static_lib dynamic dynamic_lib)], clean => {'FILES' => 'libmylib$(LIBEEXT)'}, MYEXTLIB => 'mylib/libmylib$(LIB_EXT)', ); sub MY::top_targets { ' all :: static pure_all :: static static :: libmylib$(LIB_EXT) libmylib$(LIB_EXT): $(O_FILES) $(AR) libmylib$(LIB_EXT) $(O_FILES) $(RANLIB) libmylib$(LIB_EXT) '; }` [download] What is wrong here? Thanks.	[reply] [d/l] [select]