GNU bug report logs - #11781
compilation failure: `ULLONG_MAX' undeclared

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#11781: closed (compilation failure:  `ULLONG_MAX' undeclared)
Date: Sat, 07 Jul 2012 03:18:02 +0000

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Your message dated Fri, 06 Jul 2012 20:12:07 -0700
with message-id <4FF7A907.70607 <at> cs.ucla.edu>
and subject line Re: bug#11781: compilation failure:  `ULLONG_MAX' undeclared
has caused the debbugs.gnu.org bug report #11781,
regarding compilation failure:  `ULLONG_MAX' undeclared
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Dan Nicolaescu <dann <at> gnu.org>
To: bug-gnu-emacs <at> gnu.org
Subject: compilation failure:  `ULLONG_MAX' undeclared
Date: Mon, 25 Jun 2012 14:12:23 -0400

On an ancient machine (don't ask) building the trunk fails:

gcc -c  -Demacs -DHAVE_CONFIG_H  -I. -I/tmp/emacs/src -I../lib -I/tmp/emacs/src/../lib   -I/usr/X11R6/include            -MMD -MF deps/sysdep.d -MP     -g -O2 /tmp/emacs/src/sysdep.c
/tmp/emacs/src/sysdep.c: In function `time_from_jiffies':
/tmp/emacs/src/sysdep.c:2587: `ULLONG_MAX' undeclared (first use in this function)
/tmp/emacs/src/sysdep.c:2587: (Each undeclared identifier is reported only once
/tmp/emacs/src/sysdep.c:2587: for each function it appears in.)
make[1]: *** [sysdep.o] Error 1


$ cat /etc/redhat-release 
Red Hat Linux release 7.3 (Valhalla)

$ rpm -q glibc-devel
glibc-devel-2.2.5-44

$ gcc -v
Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/2.96/specs
gcc version 2.96 20000731 (Red Hat Linux 7.3 2.96-113)

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Dan Nicolaescu <dann <at> gnu.org>
Cc: 11781-done <at> debbugs.gnu.org
Subject: Re: bug#11781: compilation failure:  `ULLONG_MAX' undeclared
Date: Fri, 06 Jul 2012 20:12:07 -0700

In trunk bzr 108930 I patched sysdep.c so that it defines
ULLONG_MAX if the system doesn't already define it; that should
fix the immediate problem so I've marked this as done.

About the C99 issue: Emacs uses a standard test for
C99, which checks for many C99 features that your
compiler lacks.  It then falls back on ordinary gcc.
Perhaps this could be hacked to be smarter, though I'm
not sure it's worth the aggravation if things are
working for you now.

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