[Bug target/96238] New: [i386] cpuid.h header needs include guards

[thiago at kde dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96238

            Bug ID: 96238
           Summary: [i386] cpuid.h header needs include guards
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: thiago at kde dot org
  Target Milestone: ---

$ cat x.c
#include <cpuid.h>
#include <cpuid.h>
$ gcc -c x.c
/usr/lib64/gcc/x86_64-suse-linux/10/include/cpuid.h:228:1: error: redefinition
of ‘__get_cpuid_max’
  228 | __get_cpuid_max (unsigned int __ext, unsigned int *__sig)
      | ^~~~~~~~~~~~~~~
In file included from <command-line>:32:
/usr/lib64/gcc/x86_64-suse-linux/10/include/cpuid.h:228:1: note: previous
definition of ‘__get_cpuid_max’ was here
  228 | __get_cpuid_max (unsigned int __ext, unsigned int *__sig)
      | ^~~~~~~~~~~~~~~
/usr/lib64/gcc/x86_64-suse-linux/10/include/cpuid.h:283:1: error: redefinition
of ‘__get_cpuid’
  283 | __get_cpuid (unsigned int __leaf,
      | ^~~~~~~~~~~
/usr/lib64/gcc/x86_64-suse-linux/10/include/cpuid.h:283:1: note: previous
definition of ‘__get_cpuid’ was here
  283 | __get_cpuid (unsigned int __leaf,
      | ^~~~~~~~~~~
/usr/lib64/gcc/x86_64-suse-linux/10/include/cpuid.h:300:1: error: redefinition
of ‘__get_cpuid_count’
  300 | __get_cpuid_count (unsigned int __leaf, unsigned int __subleaf,
      | ^~~~~~~~~~~~~~~~~
/usr/lib64/gcc/x86_64-suse-linux/10/include/cpuid.h:300:1: note: previous
definition of ‘__get_cpuid_count’ was here
  300 | __get_cpuid_count (unsigned int __leaf, unsigned int __subleaf,
      | ^~~~~~~~~~~~~~~~~