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Bug#953815: marked as done (libc6-dev: Cannot build GNU Emacs - limits.h error in configure)

Your message dated Fri, 13 Mar 2020 20:38:47 +0100
with message-id <4354a783-e51c-d987-30a9-388294ead79b@debian.org>
and subject line Re: Bug#953806: cpp-9: no include path in which to search for limits.h
has caused the Debian Bug report #953806,
regarding libc6-dev: Cannot build GNU Emacs - limits.h error in configure
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
953806: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=953806
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: libc6-dev
Version: 2.30-2
Severity: normal

Dear Maintainer,

I cannot build GNU Emacs on Debian unstable after the latest update - configure
fails with an error with the limits.h include.

Here is a minimal reproduction:

$ cat test.c
#include <stdlib.h>
#include <limits.h>

int main(void) {
    exit(0);
}
$ gcc -Wall test.c
In file included from test.c:2:
/usr/include/limits.h:124:26: error: no include path in which to search for limits.h
  124 | # include_next <limits.h>
      |                          ^
$ 

On Debian stable the example program compiles without problem.

For completeness, here are the errors from the config.log produced by GNU Emacs'
configure:

configure:6307: checking how to run the C preprocessor
configure:6338: gcc -E  conftest.c
In file included from conftest.c:11:
/usr/include/limits.h:124:26: error: no include path in which to search for limits.h
  124 | # include_next <limits.h>
      |                          ^
configure:6338: $? = 1
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME "GNU Emacs"
| #define PACKAGE_TARNAME "emacs"
| #define PACKAGE_VERSION "28.0.50"
| #define PACKAGE_STRING "GNU Emacs 28.0.50"
| #define PACKAGE_BUGREPORT "bug-gnu-emacs@gnu.org"
| #define PACKAGE_URL "https://www.gnu.org/software/emacs/";
| #define HAVE_PDUMPER 1
| /* end confdefs.h.  */
| #ifdef __STDC__
| # include <limits.h>
| #else
| # include <assert.h>
| #endif
|                    Syntax error
configure:6338: gcc -E  conftest.c
In file included from conftest.c:11:
/usr/include/limits.h:124:26: error: no include path in which to search for limits.h
  124 | # include_next <limits.h>
      |                          ^
configure:6338: $? = 1
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME "GNU Emacs"
| #define PACKAGE_TARNAME "emacs"
| #define PACKAGE_VERSION "28.0.50"
| #define PACKAGE_STRING "GNU Emacs 28.0.50"
| #define PACKAGE_BUGREPORT "bug-gnu-emacs@gnu.org"
| #define PACKAGE_URL "https://www.gnu.org/software/emacs/";
| #define HAVE_PDUMPER 1
| /* end confdefs.h.  */
| #ifdef __STDC__
| # include <limits.h>
| #else
| # include <assert.h>
| #endif
|                    Syntax error
configure:6338: gcc -E -traditional-cpp  conftest.c
In file included from /usr/include/features.h:447,
                 from /usr/include/assert.h:36,
                 from conftest.c:14:
/usr/include/x86_64-linux-gnu/sys/cdefs.h:30:3: error: #error "You need a ISO C conforming compiler to use the glibc headers"
   30 | # error "You need a ISO C conforming compiler to use the glibc headers"
      |   ^~~~~
configure:6338: $? = 1
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME "GNU Emacs"
| #define PACKAGE_TARNAME "emacs"
| #define PACKAGE_VERSION "28.0.50"
| #define PACKAGE_STRING "GNU Emacs 28.0.50"
| #define PACKAGE_BUGREPORT "bug-gnu-emacs@gnu.org"
| #define PACKAGE_URL "https://www.gnu.org/software/emacs/";
| #define HAVE_PDUMPER 1
| /* end confdefs.h.  */
| #ifdef __STDC__
| # include <limits.h>
| #else
| # include <assert.h>
| #endif
|                    Syntax error

  [...]

configure:6427: error: in `/usr/src/emacs':
configure:6429: error: C preprocessor "/lib/cpp" fails sanity check

-- System Information:
Debian Release: bullseye/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 5.4.0-4-amd64 (SMP w/12 CPU cores)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB:en (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages libc6-dev depends on:
ii  libc-dev-bin    2.30-2
ii  libc6           2.30-2
ii  libcrypt-dev    1:4.4.15-1
ii  linux-libc-dev  5.4.19-1

libc6-dev recommends no packages.

Versions of packages libc6-dev suggests:
pn  glibc-doc     <none>
ii  manpages-dev  5.05-1

-- no debconf information

--- End Message ---
--- Begin Message --- 
Version: 9.3.0-3

On 3/13/20 7:02 PM, Vincent Lefevre wrote:
> The compilation of a simple program like

fixed.

--- End Message ---
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