[Pkg-acpi-devel] Bug#808015: acpid: FTBFS: libnetlink.c:497:54: error: comparison between signed and unsigned integer expressions

[Chris Lamb]

Source: acpid
Version: 1:2.0.25-1
Severity: serious
Justification: fails to build from source
User: reproducible-builds at lists.alioth.debian.org
Usertags: ftbfs
X-Debbugs-Cc: reproducible-builds at lists.alioth.debian.org

Dear Maintainer,

acpid fails to build from source in unstable/amd64:

  [..]

  gcc -DHAVE_CONFIG_H -I. -I..  -include ../config.h -D_FORTIFY_SOURCE=2 -Wall -Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wshadow -Wstrict-prototypes -Wformat=2 -W -Wall -Werror -Wundef -Wshadow -D_GNU_SOURCE -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -fno-strict-aliasing -c -o libnetlink.o libnetlink.c
  libnetlink.c: In function 'addattr_l':
  libnetlink.c:497:54: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
    if ((int)NLMSG_ALIGN(n->nlmsg_len) + RTA_ALIGN(len) > maxlen) {
                                                        ^
  libnetlink.c: In function 'rta_addattr32':
  libnetlink.c:527:36: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
    if (RTA_ALIGN(rta->rta_len) + len > maxlen) {
                                      ^
  libnetlink.c: In function 'rta_addattr_l':
  libnetlink.c:545:47: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
    if (RTA_ALIGN(rta->rta_len) + RTA_ALIGN(len) > maxlen) {
                                                 ^
  cc1: all warnings being treated as errors
  Makefile:389: recipe for target 'libnetlink.o' failed
  make[3]: *** [libnetlink.o] Error 1
  make[3]: Leaving directory '/home/lamby/temp/cdt.20151215105238.YtstkitUES/acpid-2.0.25/kacpimon'
  Makefile:635: recipe for target 'all-recursive' failed
  make[2]: *** [all-recursive] Error 1
  make[2]: Leaving directory '/home/lamby/temp/cdt.20151215105238.YtstkitUES/acpid-2.0.25'
  Makefile:384: recipe for target 'all' failed
  make[1]: *** [all] Error 2
  make[1]: Leaving directory '/home/lamby/temp/cdt.20151215105238.YtstkitUES/acpid-2.0.25'
  dh_auto_build: make -j1 returned exit code 2
  debian/rules:7: recipe for target 'build' failed
  make: *** [build] Error 2

  [..]

The full build log is attached.


Regards,

-- 
      ,''`.
     : :'  :     Chris Lamb
     `. `'`      lamby at debian.org / chris-lamb.co.uk
       `-
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