From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.bugs Subject: bug#63556: 29.0.90; Use of _Generic breaks Emacs build on GCC <4.9 Date: Wed, 17 May 2023 10:57:38 -0700 Organization: UCLA Computer Science Department Message-ID: <4b378d55-ef65-7a0f-b03d-e304785cf60d@cs.ucla.edu> References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------vIUzSNMOED96sWyBnr2SN0pt" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="30246"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Cc: 63556@debbugs.gnu.org To: Spencer Baugh Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed May 17 20:04:03 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pzLVL-0007bK-1B for geb-bug-gnu-emacs@m.gmane-mx.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2023-05-17 10:38, Spencer Baugh wrote: > I think it's because I'm on gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44), > and _Generic was added in 4.9? Thanks for reporting the problem. Since _Generic is used here merely as a micro-optimization on 32-bit platforms, it's not worth whatever porting hassle you've run into, so I installed the attached patch so that modiff no longer uses _Generic. --------------vIUzSNMOED96sWyBnr2SN0pt Content-Type: text/x-patch; charset=UTF-8; name="0001-Port-modiff-changes-to-GCC-4.8.5.patch" Content-Disposition: attachment; filename="0001-Port-modiff-changes-to-GCC-4.8.5.patch" Content-Transfer-Encoding: base64 RnJvbSAwYmJhMWI4YzNkZjhiN2I1M2UwOGZkNjlkY2M4MzJkMjUzZTdhMmQxIE1vbiBTZXAg MTcgMDA6MDA6MDAgMjAwMQpGcm9tOiBQYXVsIEVnZ2VydCA8ZWdnZXJ0QGNzLnVjbGEuZWR1 PgpEYXRlOiBXZWQsIDE3IE1heSAyMDIzIDEwOjUzOjI2IC0wNzAwClN1YmplY3Q6IFtQQVRD SF0gUG9ydCBtb2RpZmYgY2hhbmdlcyB0byBHQ0MgNC44LjUKTUlNRS1WZXJzaW9uOiAxLjAK Q29udGVudC1UeXBlOiB0ZXh0L3BsYWluOyBjaGFyc2V0PVVURi04CkNvbnRlbnQtVHJhbnNm ZXItRW5jb2Rpbmc6IDhiaXQKClByb2JsZW0gcmVwb3J0ZWQgYnkgU3BlbmNlciBCYXVnaC4K KiBzcmMvbGlzcC5oIChlbG9nYik6IE5vdyBzaW1wbHkgYSBmdW5jdGlvbiBvbiB1bnNpZ25l ZCBsb25nIGxvbmcgaW50LgpUaGlzIGF2b2lkcyBwcm9ibGVtcyBwb3J0aW5nIHRvIEdDQyA0 LjguNSAyMDE1MDYyMyAoUmVkIEhhdCA0LjguNS00NCkuClRoZXJlIG1heSBiZSBhIG1pbm9y IHJ1bnRpbWUgY29zdCBvbiAzMi1iaXQgcGxhdGZvcm1zIGJ1dCBpdOKAmXMKbm90IHdvcnRo IHdvcnJ5aW5nIGFib3V0LgotLS0KIHNyYy9saXNwLmggfCAxNyArKysrKy0tLS0tLS0tLS0t LQogMSBmaWxlIGNoYW5nZWQsIDUgaW5zZXJ0aW9ucygrKSwgMTIgZGVsZXRpb25zKC0pCgpk aWZmIC0tZ2l0IGEvc3JjL2xpc3AuaCBiL3NyYy9saXNwLmgKaW5kZXggYzlhNjRmMDc0Mjcu LjU3YzFjNzM5NWMxIDEwMDY0NAotLS0gYS9zcmMvbGlzcC5oCisrKyBiL3NyYy9saXNwLmgK QEAgLTM5MDYsMTggKzM5MDYsMTEgQEAgaW50ZWdlcl90b191aW50bWF4IChMaXNwX09iamVj dCBudW0sIHVpbnRtYXhfdCAqbikKIH0KIAogLyogUmV0dXJuIGZsb29yIChsb2cyIChOKSkg YXMgYW4gaW50LCB3aGVyZSAwIDwgTiA8PSBVTExPTkdfTUFYLiAgKi8KLSNpZiAoMjAxMTEy IDw9IF9fU1REQ19WRVJTSU9OX18gJiYgSU5UX01BWCA8PSBVSU5UX01BWCBcCi0gICAgICYm IExPTkdfTUFYIDw9IFVMT05HX01BWCAmJiBMTE9OR19NQVggPD0gVUxMT05HX01BWCkKLSMg ZGVmaW5lIGVsb2diKG4pIFwKLSAgICBfR2VuZXJpYyAoKyhuKSwgXAotCSAgICAgIGludDog ICAgICAgICAgIFVJTlRfV0lEVEggICAtIDEgLSBjb3VudF9sZWFkaW5nX3plcm9zICAgIChu KSwgXAotCSAgICAgIHVuc2lnbmVkIGludDogIFVJTlRfV0lEVEggICAtIDEgLSBjb3VudF9s ZWFkaW5nX3plcm9zICAgIChuKSwgXAotCSAgICAgIGxvbmc6ICAgICAgICAgIFVMT05HX1dJ RFRIICAtIDEgLSBjb3VudF9sZWFkaW5nX3plcm9zX2wgIChuKSwgXAotCSAgICAgIHVuc2ln bmVkIGxvbmc6IFVMT05HX1dJRFRIICAtIDEgLSBjb3VudF9sZWFkaW5nX3plcm9zX2wgIChu KSwgXAotCSAgICAgIGRlZmF1bHQ6ICAgICAgIFVMTE9OR19XSURUSCAtIDEgLSBjb3VudF9s ZWFkaW5nX3plcm9zX2xsIChuKSkKLSNlbHNlCi0jIGRlZmluZSBlbG9nYihuKSAoVUxMT05H X1dJRFRIIC0gMSAtIGNvdW50X2xlYWRpbmdfemVyb3NfbGwgKG4pKQotI2VuZGlmCitJTkxJ TkUgaW50CitlbG9nYiAodW5zaWduZWQgbG9uZyBsb25nIGludCBuKQoreworICByZXR1cm4g VUxMT05HX1dJRFRIIC0gMSAtIGNvdW50X2xlYWRpbmdfemVyb3NfbGwgKG4pOworfQogCiAv KiBBIG1vZGlmaWNhdGlvbiBjb3VudC4gIFRoZXNlIGFyZSB3aWRlIGVub3VnaCwgYW5kIGlu Y3JlbWVudGVkCiAgICByYXJlbHkgZW5vdWdoLCBzbyB0aGF0IHRoZXkgc2hvdWxkIG5ldmVy IG92ZXJmbG93IGEgNjAtYml0IGNvdW50ZXIKLS0gCjIuMzkuMgoK --------------vIUzSNMOED96sWyBnr2SN0pt--