Eli Zaretskii <eliz@HIDDEN>
to control <at> debbugs.gnu.org.
Full text available.Received: (at 71036) by debbugs.gnu.org; 18 May 2024 12:11:26 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sat May 18 08:11:25 2024 Received: from localhost ([127.0.0.1]:33139 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1s8IuL-0005Vu-Lf for submit <at> debbugs.gnu.org; Sat, 18 May 2024 08:11:25 -0400 Received: from eggs.gnu.org ([209.51.188.92]:39282) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1s8IuJ-0005Vl-Fk; Sat, 18 May 2024 08:11:24 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1s8Iu9-0001vk-Mp; Sat, 18 May 2024 08:11:13 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=wrhEbr900z+43Sq23/UATEWYnKZypu4e6S6C2ZB3vUI=; b=qI6kxnjFNH+F CNcUJDyLkrwVB5pS8VeC6bT1dpU0zA0ocdWtYt89c6aRplJLyHPYXDmKj8HB83d+FRVTrHx49lmeo nB+yxCVWo3V6ZmKAFNZmu11s1KGWUQ9GP0OjPye4g2vqHiNXBglSvhaTqk7OgCoJ6Mtinda185Enn jDZKH5b0pj7YIQ6jE3iNz7zg+J4JFxbUXdDjAp72h4kmZoU94Hf+buyNCPEsfPXRaJtyBZQgActPA +4UACs/QYQNpGl2FAMcprOm0RTnPef+/wszcX8BsyVylFDPIdk08xzbBHwvNoUyVHgZjYFkod+Y7m N0Dryl2qqch//aBs/J0DZg==; Date: Sat, 18 May 2024 15:11:09 +0300 Message-Id: <86v83bcobm.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Richard Copley <rcopley@HIDDEN> In-Reply-To: <CAPM58ogrB-ypVL1yzPOu7r05muK5wCj=xPtGHwuGYO77nhnmcA@HIDDEN> (message from Richard Copley on Sat, 18 May 2024 12:55:02 +0100) Subject: Re: bug#71036: build failure on Windows with MinGW-w64 GCC 14.1 References: <CAPM58ogrB-ypVL1yzPOu7r05muK5wCj=xPtGHwuGYO77nhnmcA@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 71036 Cc: 71036 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) merge 71036 70889 thanks > From: Richard Copley <rcopley@HIDDEN> > Date: Sat, 18 May 2024 12:55:02 +0100 > > Emacs fails to build on Windows with the current MSYS2 GCC 14.1 toolchain. Yes, see bug#70889.
bug-gnu-emacs@HIDDEN:bug#71036; Package emacs.
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From: Richard Copley <rcopley@HIDDEN>
Date: Sat, 18 May 2024 12:55:02 +0100
Message-ID: <CAPM58ogrB-ypVL1yzPOu7r05muK5wCj=xPtGHwuGYO77nhnmcA@HIDDEN>
Subject: build failure on Windows with MinGW-w64 GCC 14.1
To: bug-gnu-emacs@HIDDEN
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Emacs fails to build on Windows with the current MSYS2 GCC 14.1 toolchain.
TL;DR: -Werror=implicit-function-declaration is now the default.
Please see <https://gcc.gnu.org/gcc-14/porting_to.html>. This breaks
the test for "sys/wait.h" in "./configure".
The error is:
CC sysdep.o
sysdep.c: In function 'get_child_status':
sysdep.c:479:13: error: implicit declaration of function 'waitpid'
[-Wimplicit-function-declaration]
479 | pid = waitpid (child, status, options);
| ^~~~~~~
sysdep.c:479:13: warning: nested extern declaration of 'waitpid'
[-Wnested-externs]
sysdep.c: In function 'child_status_changed':
sysdep.c:525:43: error: 'WNOHANG' undeclared (first use in this function)
525 | return get_child_status (child, status, WNOHANG | options, 0);
| ^~~~~~~
sysdep.c:525:43: note: each undeclared identifier is reported only
once for each function it appears in
sysdep.c:526:1: warning: control reaches end of non-void function
[-Wreturn-type]
526 | }
| ^
make[2]: *** [Makefile:452: sysdep.o] Error 1
With the previous GCC 13.2 toolchain the build succeeds. The relevant
parts of the two builds' config.log are below, followed by a diff of
the output of "./configure".
Note that -Werror=implicit-function-declaration is now the default.
Please see <https://gcc.gnu.org/gcc-14/porting_to.html>.
==== GCC 13.2 ====
configure:14931: checking for sys/wait.h that is POSIX.1 compatible
configure:14958: gcc -I ./nt/inc -c -g3 -O2 -gdwarf-2 -mtune=generic
conftest.c >&5
conftest.c: In function 'main':
conftest.c:68:3: warning: implicit declaration of function 'wait'
[-Wimplicit-function-declaration]
68 | wait (&s);
| ^~~~
configure:14958: $? = 0
configure:14968: result: yes
==== GCC 14.1 ====
configure:14931: checking for sys/wait.h that is POSIX.1 compatible
configure:14958: gcc -I ./nt/inc -c -g3 -O2 -gdwarf-2 -mtune=generic
conftest.c >&5
conftest.c: In function 'main':
conftest.c:69:3: error: implicit declaration of function 'wait'
[-Wimplicit-function-declaration]
69 | wait (&s);
| ^~~~
configure:14958: $? = 1
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME "GNU Emacs"
| #define PACKAGE_TARNAME "emacs"
| #define PACKAGE_VERSION "30.0.50"
| #define PACKAGE_STRING "GNU Emacs 30.0.50"
| #define PACKAGE_BUGREPORT "bug-gnu-emacs@HIDDEN"
| #define PACKAGE_URL "https://www.gnu.org/software/emacs/"
| #define MAIL_USE_POP 1
| #define HAVE_PDUMPER 1
| #define HAVE_STDIO_H 1
| #define HAVE_STDLIB_H 1
| #define HAVE_STRING_H 1
| #define HAVE_INTTYPES_H 1
| #define HAVE_STDINT_H 1
| #define HAVE_STRINGS_H 1
| #define HAVE_SYS_STAT_H 1
| #define HAVE_SYS_TYPES_H 1
| #define HAVE_UNISTD_H 1
| #define HAVE_WCHAR_H 1
| #define HAVE_MALLOC_H 1
| #define HAVE_SYS_RESOURCE_H 1
| #define HAVE_PWD_H 1
| #define HAVE_SYS_SOCKET_H 1
| #define HAVE_SYS_PARAM_H 1
| #define HAVE_DIRENT_H 1
| #define HAVE_SYS_CDEFS_H 1
| #define HAVE_SYS_TIME_H 1
| #define HAVE_LIMITS_H 1
| #define HAVE_STDBOOL_H 1
| #define HAVE_STDCKDINT_H 1
| #define STDC_HEADERS 1
| #define _ALL_SOURCE 1
| #define _DARWIN_C_SOURCE 1
| #define _GNU_SOURCE 1
| #define _HPUX_ALT_XOPEN_SOCKET_API 1
| #define _NETBSD_SOURCE 1
| #define _OPENBSD_SOURCE 1
| #define _POSIX_PTHREAD_SEMANTICS 1
| #define __STDC_WANT_IEC_60559_ATTRIBS_EXT__ 1
| #define __STDC_WANT_IEC_60559_BFP_EXT__ 1
| #define __STDC_WANT_IEC_60559_DFP_EXT__ 1
| #define __STDC_WANT_IEC_60559_EXT__ 1
| #define __STDC_WANT_IEC_60559_FUNCS_EXT__ 1
| #define __STDC_WANT_IEC_60559_TYPES_EXT__ 1
| #define __STDC_WANT_LIB_EXT2__ 1
| #define __STDC_WANT_MATH_SPEC_FUNCS__ 1
| #define _TANDEM_SOURCE 1
| #define __EXTENSIONS__ 1
| #define _FILE_OFFSET_BITS 64
| #define __USE_MINGW_ANSI_STDIO 1
| #define GCC_LINT 1
| #define SYSTEM_TYPE "windows-nt"
| #define HAVE_MMSYSTEM_H 1
| #define HAVE_SOUND 1
| /* end confdefs.h. */
| #include <sys/types.h>
| #include <sys/wait.h>
| #ifndef WEXITSTATUS
| # define WEXITSTATUS(stat_val) ((unsigned int) (stat_val) >> 8)
| #endif
| #ifndef WIFEXITED
| # define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
| #endif
|
| int
| main (void)
| {
| int s;
| wait (&s);
| s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
| ;
| return 0;
| }
configure:14968: result: no
==== "./configure" output diff ====
--- build.log
+++ build-14.1.0-3.log
@@ -62,7 +62,7 @@
checking for limits.h... yes
checking for sys/select.h... no
checking for stdbool.h... yes
-checking for stdckdint.h... no
+checking for stdckdint.h... yes
checking for sys/random.h... no
checking whether it is safe to define __EXTENSIONS__... yes
checking whether _XOPEN_SOURCE should be defined... no
@@ -87,14 +87,14 @@
checking whether C compiler handles -Wduplicated-cond... yes
checking whether C compiler handles -Wextra... yes
checking whether C compiler handles -Wformat-signedness... yes
-checking whether C compiler handles -Wflex-array-member-not-at-end... no
+checking whether C compiler handles -Wflex-array-member-not-at-end... yes
checking whether C compiler handles -Winit-self... yes
checking whether C compiler handles -Winvalid-pch... yes
checking whether C compiler handles -Wlogical-op... yes
checking whether C compiler handles -Wmissing-declarations... yes
checking whether C compiler handles -Wmissing-include-dirs... yes
checking whether C compiler handles -Wmissing-prototypes... yes
-checking whether C compiler handles -Wmissing-variable-declarations... no
+checking whether C compiler handles -Wmissing-variable-declarations... yes
checking whether C compiler handles -Wnested-externs... yes
checking whether C compiler handles -Wnull-dereference... yes
checking whether C compiler handles -Wold-style-definition... yes
@@ -148,7 +148,7 @@
checking for _oss_ioctl in -lossaudio... no
checking for alsa >= 1.0.0... no
checking for ADDR_NO_RANDOMIZE... no
-checking for sys/wait.h that is POSIX.1 compatible... yes
+checking for sys/wait.h that is POSIX.1 compatible... no
checking for net/if.h... no
checking for ifaddrs.h... no
checking for net/if_dl.h... no
Richard Copley <rcopley@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#71036; Package emacs.
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