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April 2019

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[cmucl-imp] About the compilation of cmucl with recent versions of GCC.
by Juan Pablo Hierro Álvarez 17 Apr '19

17 Apr '19

Dear sirs, This is my first mail to this list and do not expect to remain very active. I was running a Fedora 29 machine and tried to install cmucl 21d. Binaries worked without trouble. However, I decided to try and bootstrap the system, only to head into open issue #68. https://gitlab.common-lisp.net/cmucl/cmucl/issues/68 I write this message because I think that I have found a work-around: In file cmucl/src/lisp/Config.x86_common I had to exchange the line CFLAGS += -O2 with CFLAGS += -O1 That is to say, latest versions of the gcc compiler are only able to produce a working cmucl lisp binary with an optimization level up to -O1. --- The proposed replacement of gcc by clang *(Commit 82bf2c72) *worked too. By the way, clang apparently works fine with optimization -O3. ----------- Notwithstanding the previous assertions, I run tests and all of them worked but for "issue.45". Failed tests: (ISSUES-TESTS::ISSUE.45) | Failed Form: (GET-OUTPUT-STREAM-STRING ISSUES-TESTS::S) | Expected "ls-link " but saw "/usr/bin/env: 'test-tmp/ls-link': No such file or directory " | | Failed Form: (PROCESS-EXIT-CODE ISSUES-TESTS::PROCESS) | Expected 0 but saw 127 | | Failed Form: (GET-OUTPUT-STREAM-STRING ISSUES-TESTS::S) | Expected "ls-link " but saw "ls: cannot access 'test-tmp/': No such file or directory " | | Failed Form: (PROCESS-EXIT-CODE ISSUES-TESTS::PROCESS) | Expected 0 but saw 2 | | Failed Form: (GET-OUTPUT-STREAM-STRING ISSUES-TESTS::S) | Expected "ls-link " but saw "/bin/ls: cannot access 'test-tmp/': No such file or directory " | | Failed Form: (PROCESS-EXIT-CODE ISSUES-TESTS::PROCESS) | Expected 0 but saw 2 | ISSUE.45: 0 assertions passed, 6 failed. Of course, there were no test-tmp directory in my file system. Is this an expected behaviour or should the tests have created the needed directories and files? Yours faithfully, ---- Juan Hierro.

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