Bug#953806: cpp-9: no include path in which to search for limits.h

[Vincent Lefevre <vincent@vinc17.net>]

Package: cpp-9
Version: 9.3.0-1
Severity: grave
Justification: renders package unusable

The compilation of a simple program like

#include <limits.h>

int main (void)
{
  return 0;
}

now fails:

cventin:~> gcc-9 tst.c -o tst
In file included from tst.c:1:
/usr/include/limits.h:124:26: error: no include path in which to search for limits.h
  124 | # include_next <limits.h>
      |                          ^

or directly with "cpp-9 tst.c".

Since this issue does not occur with other GCC versions, I suppose
that this is a bug in cpp-9, not in libc6-dev.

-- System Information:
Debian Release: bullseye/sid
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'stable-updates'), (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

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=POSIX, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=POSIX (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages cpp-9 depends on:
ii  gcc-9-base  9.3.0-1
ii  libc6       2.30-2
ii  libgmp10    2:6.2.0+dfsg-4
ii  libisl22    0.22.1-1
ii  libmpc3     1.1.0-1
ii  libmpfr6    4.0.2-1
ii  zlib1g      1:1.2.11.dfsg-2

cpp-9 recommends no packages.

Versions of packages cpp-9 suggests:
ii  gcc-9-locales  9.3.0-1

-- no debconf information

-- 
Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)