This is a cryptographically signed message in MIME format. --------------ms040607010406080108000306 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi everyone, In consultation with Luis and Roger, I'd like to discuss moving Ruby 1.9.1 forward on Windows. We have some concrete proposals that will require changes to the way Ruby is built on Windows as well as changes to rubygems. First though, let me lay out our assumptions: 1. The average windows user does not have a C compiler installed and isn't necessarily all that interested in getting one. 2. Because of #1, extensions for windows should be packaged as binary gems (same as now) 3. Ruby itself will likely be built by mingw32 (since the one click installer is headed that way), but msvc builds should also be expected and supported. 4. Ruby extensions will be built with msvc (multiple versions), mingw+msys or cross-compiled. Proposals ased on these assumptions, we propose the following changes (and will be happy to provide patches if the community can come to a consensus): 1. Ruby library name Proposal: The ruby runtime dll on Windows should *always* be named ruby19.dll. Currently it includes the runtime library name (msvcrt-ruby19.dll for example). Benefit: Having 1 runtime library name means gem developers only have to create 1 binary for windows, not 1 for msvc builds, and 1 for mingw builds. This allows extension developers to use their toolchain of choice. 2. rubygems platform Proposal: The ruby platform should not be differ for msvc and mingw (so no more mswin32-60 and mingw). We propose that the ruby gems platform for windows is always: <architecture>-<os>-<ruby version> Examples: x86-mswin-19 x86_64-mswin-19 Benefit: This change will allow developers to create binary gems using their toolchain of choice (msvc, mingw/msys, cross-compile) and have it work against ruby built with either msvc or mings/msys. Adding the ruby-version will allow rubygems to distinguish between binary gems built for ruby 1.8 versus 1.9 (which are clearly incompatible). Perhaps rubygems already has a mechanism for this - I didn't see one in my research but could have missed it? Mixing runtime libraries The most obvious criticism of this plan is that it will lead to mixing of microsoft runtime c libraries. From my experience this works as long as extension developers follow the rules described here: http://msdn.microsoft.com/en-us/library/ms235460(VS.80).aspx To be more concrete, this boils down to two simple rules: * If you call ALLOC or ALLOC_N, use xfree and not free * Don't call sprintf or printf in an extension, instead use rb_f_sprintf/rb_vsprintf/rb_io_printf If an extension violate these two rules then its obvious, a segmentation fault happens. Thus these bugs are easy to find and easy to fix. Since VC6 is thankfully no longer available, supporting msvc absolutely, positively requires mixing c runtime libraries and therefore extension writers must follow these two simple rules. We don't view this as a particularly difficult burden, especially in light of the changes extension developers already frequently have to make for 1.9.1 compatibility. Conclusion ixing the ruby runtime library name is a 1 line patch which we'll be happy to provide * Updating the rubygems platform is easy enough, but we assume deeper changes would have to be made for rubygems to download the correct gem binary. We're happy to put together a patch if this seems like the right way forward. Anyone have questions, objections, or better ideas? Thanks, Charlie -- Charlie Savage http://cfis.savagexi.com --------------ms040607010406080108000306 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIJAzCC AtwwggJFoAMCAQICEApLTm3bM9PFZxFEfV6XkZAwDQYJKoZIhvcNAQEFBQAwYjELMAkGA1UE BhMCWkExJTAjBgNVBAoTHFRoYXd0ZSBDb25zdWx0aW5nIChQdHkpIEx0ZC4xLDAqBgNVBAMT I1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBJc3N1aW5nIENBMB4XDTA4MDUxNDIyMDQwM1oX DTA5MDUxNDIyMDQwM1owQzEfMB0GA1UEAxMWVGhhd3RlIEZyZWVtYWlsIE1lbWJlcjEgMB4G CSqGSIb3DQEJARYRY2Zpc0BzYXZhZ2V4aS5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw ggEKAoIBAQDl6cmJXyX9A06gcxGBDjFRP0VPx8hbxwelxzsrIMp4pPlo3w3iNRApMM4YZ5z6 5i3ruj/5j/RNWHELiyBIbrufJ/PQBk8/n8vNXiTqdjAhlpMuR/rB/e4XD1rE/7OYwQin3Yhx 7yYOOWJMB4eilBLayyqHBrKE85dn/jOxCo5uO9jf/4Gihv2ocWQWOGFXeKT1PNtSEFcMm8xl mteBXXmZ76eH1Al4qowFRbGrPTyPbhAyu7ssWuOVYcbfH5giOSyLuuXDctZUf4j5bzf3qVqa XBZxNAYLj5T+DDIFBLG1CVvYPsrDmPG7yheodwAdZstusPxAy0mOUMCY9x7ly4rnAgMBAAGj LjAsMBwGA1UdEQQVMBOBEWNmaXNAc2F2YWdleGkuY29tMAwGA1UdEwEB/wQCMAAwDQYJKoZI hvcNAQEFBQADgYEAFUPOGpAmQW6nsAqgLw7QnKC4HtTK39p6jp8ku0vtRGIbHxn5x2u+3JNE hOStGq51vUfhLpritwyTqlX+GVYMPqaSCxtrOLKTVyq525uQMxGlCMuqD0l9CPmDK6rmLIdf GmrPq+2q8vwuc6mhuA4WgtBp2RFCYtDcxFcjSbpy5EkwggLcMIICRaADAgECAhAKS05t2zPT xWcRRH1el5GQMA0GCSqGSIb3DQEBBQUAMGIxCzAJBgNVBAYTAlpBMSUwIwYDVQQKExxUaGF3 dGUgQ29uc3VsdGluZyAoUHR5KSBMdGQuMSwwKgYDVQQDEyNUaGF3dGUgUGVyc29uYWwgRnJl ZW1haWwgSXNzdWluZyBDQTAeFw0wODA1MTQyMjA0MDNaFw0wOTA1MTQyMjA0MDNaMEMxHzAd BgNVBAMTFlRoYXd0ZSBGcmVlbWFpbCBNZW1iZXIxIDAeBgkqhkiG9w0BCQEWEWNmaXNAc2F2 YWdleGkuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5enJiV8l/QNOoHMR gQ4xUT9FT8fIW8cHpcc7KyDKeKT5aN8N4jUQKTDOGGec+uYt67o/+Y/0TVhxC4sgSG67nyfz 0AZPP5/LzV4k6nYwIZaTLkf6wf3uFw9axP+zmMEIp92Ice8mDjliTAeHopQS2ssqhwayhPOX Z/4zsQqObjvY3/+Boob9qHFkFjhhV3ik9TzbUhBXDJvMZZrXgV15me+nh9QJeKqMBUWxqz08 j24QMru7LFrjlWHG3x+YIjksi7rlw3LWVH+I+W8396lamlwWcTQGC4+U/gwyBQSxtQlb2D7K w5jxu8oXqHcAHWbLbrD8QMtJjlDAmPce5cuK5wIDAQABoy4wLDAcBgNVHREEFTATgRFjZmlz QHNhdmFnZXhpLmNvbTAMBgNVHRMBAf8EAjAAMA0GCSqGSIb3DQEBBQUAA4GBABVDzhqQJkFu p7AKoC8O0JyguB7Uyt/aeo6fJLtL7URiGx8Z+cdrvtyTRITkrRqudb1H4S6a4rcMk6pV/hlW DD6mkgsbaziyk1cqudubkDMRpQjLqg9JfQj5gyuq5iyHXxpqz6vtqvL8LnOpobgOFoLQadkR QmLQ3MRXI0m6cuRJMIIDPzCCAqigAwIBAgIBDTANBgkqhkiG9w0BAQUFADCB0TELMAkGA1UE BhMCWkExFTATBgNVBAgTDFdlc3Rlcm4gQ2FwZTESMBAGA1UEBxMJQ2FwZSBUb3duMRowGAYD VQQKExFUaGF3dGUgQ29uc3VsdGluZzEoMCYGA1UECxMfQ2VydGlmaWNhdGlvbiBTZXJ2aWNl cyBEaXZpc2lvbjEkMCIGA1UEAxMbVGhhd3RlIFBlcnNvbmFsIEZyZWVtYWlsIENBMSswKQYJ KoZIhvcNAQkBFhxwZXJzb25hbC1mcmVlbWFpbEB0aGF3dGUuY29tMB4XDTAzMDcxNzAwMDAw MFoXDTEzMDcxNjIzNTk1OVowYjELMAkGA1UEBhMCWkExJTAjBgNVBAoTHFRoYXd0ZSBDb25z dWx0aW5nIChQdHkpIEx0ZC4xLDAqBgNVBAMTI1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBJ c3N1aW5nIENBMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDEpjxVc1X7TrnKmVoeaMB1 BHCd3+n/ox7svc31W/Iadr1/DDph8r9RzgHU5VAKMNcCY1osiRVwjt3J8CuFWqo/cVbLrzwL B+fxH5E2JCoTzyvV84J3PQO+K/67GD4Hv0CAAmTXp6a7n2XRxSpUhQ9IBH+nttE8YQRAHmQZ cmC3+wIDAQABo4GUMIGRMBIGA1UdEwEB/wQIMAYBAf8CAQAwQwYDVR0fBDwwOjA4oDagNIYy aHR0cDovL2NybC50aGF3dGUuY29tL1RoYXd0ZVBlcnNvbmFsRnJlZW1haWxDQS5jcmwwCwYD VR0PBAQDAgEGMCkGA1UdEQQiMCCkHjAcMRowGAYDVQQDExFQcml2YXRlTGFiZWwyLTEzODAN BgkqhkiG9w0BAQUFAAOBgQBIjNFQg+oLLswNo2asZw9/r6y+whehQ5aUnX9MIbj4Nh+qLZ82 L8D0HFAgk3A8/a3hYWLD2ToZfoSxmRsAxRoLgnSeJVCUYsfbJ3FXJY3dqZw5jowgT2Vfldr3 94fWxghOrvbqNOUQGls1TXfjViF4gtwhGTXeJLHTHUb/XV9lTzGCA2QwggNgAgEBMHYwYjEL MAkGA1UEBhMCWkExJTAjBgNVBAoTHFRoYXd0ZSBDb25zdWx0aW5nIChQdHkpIEx0ZC4xLDAq BgNVBAMTI1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBJc3N1aW5nIENBAhAKS05t2zPTxWcR RH1el5GQMAkGBSsOAwIaBQCgggHDMBgGCSqGSIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZI hvcNAQkFMQ8XDTA5MDMwODAwMDI0NlowIwYJKoZIhvcNAQkEMRYEFKU9VqQ5nEa1IKpjKABm CA4f82KJMFIGCSqGSIb3DQEJDzFFMEMwCgYIKoZIhvcNAwcwDgYIKoZIhvcNAwICAgCAMA0G CCqGSIb3DQMCAgFAMAcGBSsOAwIHMA0GCCqGSIb3DQMCAgEoMIGFBgkrBgEEAYI3EAQxeDB2 MGIxCzAJBgNVBAYTAlpBMSUwIwYDVQQKExxUaGF3dGUgQ29uc3VsdGluZyAoUHR5KSBMdGQu MSwwKgYDVQQDEyNUaGF3dGUgUGVyc29uYWwgRnJlZW1haWwgSXNzdWluZyBDQQIQCktObdsz 08VnEUR9XpeRkDCBhwYLKoZIhvcNAQkQAgsxeKB2MGIxCzAJBgNVBAYTAlpBMSUwIwYDVQQK ExxUaGF3dGUgQ29uc3VsdGluZyAoUHR5KSBMdGQuMSwwKgYDVQQDEyNUaGF3dGUgUGVyc29u YWwgRnJlZW1haWwgSXNzdWluZyBDQQIQCktObdsz08VnEUR9XpeRkDANBgkqhkiG9w0BAQEF AASCAQAhVGdPFeWqEOXV2td7rEiXKhLrJNuDVFQHXWvIsenMcUKU0z6E4dtQWTE96irnV/Qb WJdnCVuQAun1OsjPB9l4OdTInSmDezEYRLqCqFKdH8gt3R+biB3a51u2auu9hRCDZLV6w784 SBWXRC3Q7GecZkw+h6oOI9cw1KAWDzx6DGd/hhANuAhu49L7+mbwtXRwLDPORwuOcgnsB3JM D5HXblFafWcnz8qpzvbtl400r6PMw7WzP8EXPNPx5TPsOVmbaPWWc1Gyvkdg604/JogM/s27 QVA75X3Ih1T5NFE99Yiwz3Ctj7dRC5XO1TKw+7Om9H2Y9opF/GaBJXrujQPFAAAAAAAA --------------ms040607010406080108000306--