GNU bug report logs - #12327
Signal-handler cleanup for Emacs

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From: Eli Zaretskii <eliz <at> gnu.org>
To: eggert <at> cs.ucla.edu
Cc: lekktu <at> gmail.com, 12327 <at> debbugs.gnu.org
Subject: bug#12327: Signal-handler cleanup for Emacs
Date: Fri, 07 Sep 2012 10:26:17 +0300

> Date: Fri, 07 Sep 2012 09:02:04 +0300
> From: Eli Zaretskii <eliz <at> gnu.org>
> Cc: lekktu <at> gmail.com, 12327 <at> debbugs.gnu.org
> 
> This doesn't compile on Windows:
> 
>   gcc -I. -c -gdwarf-2 -g3  -DEMACSDEBUG -fno-crossjumping  -Id:/usr/include/libxml2 -DGLYPH_DEBUG=1 -Demacs=1 -I../lib -I../nt/inc -DHAVE_NTGUI=1 -DUSE_CRT_DLL=1 -o oo/i386/editfns.o editfns.c
>   alloc.c: In function `die':
>   alloc.c:6716: error: `SIGABRT' undeclared (first use in this function)
>   alloc.c:6716: error: (Each undeclared identifier is reported only once
>   alloc.c:6716: error: for each function it appears in.)
>   makefile:322: recipe for target `oo/i386/alloc.o' failed
>   make[1]: *** [oo/i386/alloc.o] Error 1
>   make[1]: *** Waiting for unfinished jobs....
>   make[1]: Leaving directory `D:/gnu/bzr/emacs/trunk/src'
>   makefile:432: recipe for target `all-other-dirs-gmake' failed
>   make: *** [all-other-dirs-gmake] Error 2

Actually, this isn't Windows-specific, it happens in any build that
specifies --enable-checking.

Fixed by revision 109918 on the trunk.

The following link failure _is_ Windows-specific, stand by for a fix.

  gcc -o oo/i386/temacs.bin  -gdwarf-2 -g3    -Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-subsystem,console -Wl,-entry,__start -Wl,-Map,oo/i386/temacs.map oo/i386/firstfile.o oo/i386/emacs.res oo/i386/temacs0.a oo/i386/temacs1.a       oo/i386/temacs2.a       oo/i386/lastfile.a      ../lib/oo/i386/libgnu.a         -lwinmm         -ladvapi32      -lgdi32         -lcomdlg32      -luser32        -lmpr           -lshell32       -lwinspool      -lole32         -lcomctl32      -lusp10
  oo/i386/temacs0.a(emacs.o)(.text+0x1066): In function `main':
  D:\gnu\bzr\emacs\trunk\src/emacs.c:1129: undefined reference to `sigaction'
  oo/i386/temacs0.a(emacs.o)(.text+0x1091):D:\gnu\bzr\emacs\trunk\src/emacs.c:1133: undefined reference to `sigaction'
  oo/i386/temacs0.a(emacs.o)(.text+0x10ff):D:\gnu\bzr\emacs\trunk\src/emacs.c:1157: undefined reference to `sigaction'
  oo/i386/temacs0.a(emacs.o)(.text+0x111a):D:\gnu\bzr\emacs\trunk\src/emacs.c:1184: undefined reference to `sigaction'
  oo/i386/temacs0.a(emacs.o)(.text+0x1135):D:\gnu\bzr\emacs\trunk\src/emacs.c:1188: undefined reference to `sigaction'
  oo/i386/temacs0.a(emacs.o)(.text+0x1159):D:\gnu\bzr\emacs\trunk\src/emacs.c:1198: more undefined references to `sigaction' follow
  collect2: ld returned 1 exit status
  makefile:501: recipe for target `oo/i386/temacs.exe' failed
  make[1]: *** [oo/i386/temacs.exe] Error 1
  make[1]: Leaving directory `D:/gnu/bzr/emacs/trunk/src'
  makefile:432: recipe for target `all-other-dirs-gmake' failed
  make: *** [all-other-dirs-gmake] Error 2

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