[bug #52642] Newer MSVC has <stdint.h>

[Simon Richter]

URL:
  <http://savannah.gnu.org/bugs/?52642>

                 Summary: Newer MSVC has <stdint.h>
                 Project: make
            Submitted by: geier
            Submitted on: Mon 11 Dec 2017 08:44:38 PM CET
                Severity: 3 - Normal
              Item Group: Build/Install
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
       Component Version: 4.2.1
        Operating System: None
           Fixed Release: None
           Triage Status: None

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Details:

When building with ARM64-targetted MSVC from Visual Studio 2017, build fails
with

    ...\stdint.h(45): warning C4114: same type qualifier used more than once
    ...\stdint.h(45): error C2632: '__int64' followed by 'long' is illegal
    ...\stdint.h(45): warning C4091: 'typedef ': ignored on left of 'unsigned
__int64' when no variable is declared

The problem is in config.h:

    #define uintmax_t unsigned long

which is active for Windows because neither <stdint.h> nor <inttypes.h> is
expected to exist.

MSVC has has <stdint.h> for a few releases now, so it would probably make
sense to assume HAVE_STDINT_H when _MSC_VER >= 1600 (Visual Studio 2010).




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