build: retire NO_UINTMAX_T

A previous commit removed the last user of it, and it is no
longer useful with the codebase moving towards C99, which
specifies its definition.

Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Makefile

@@ -114,8 +114,6 @@ include shared.mak
 #
 # Define NO_INTPTR_T if you don't have intptr_t or uintptr_t.
 #
-# Define NO_UINTMAX_T if you don't have uintmax_t.
-#
 # Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
 # Patrick Mauritz).
 #
@@ -1915,9 +1913,6 @@ endif
 ifdef NO_INTPTR_T
 	COMPAT_CFLAGS += -DNO_INTPTR_T
 endif
-ifdef NO_UINTMAX_T
-	BASIC_CFLAGS += -Duintmax_t=uint32_t
-endif
 ifdef NO_SOCKADDR_STORAGE
 ifdef NO_IPV6
 	BASIC_CFLAGS += -Dsockaddr_storage=sockaddr_in

configure.ac

@@ -1121,14 +1121,6 @@ GIT_CHECK_FUNC(strlcpy,
 [NO_STRLCPY=YesPlease])
 GIT_CONF_SUBST([NO_STRLCPY])
 #
-# Define NO_UINTMAX_T if your platform does not have uintmax_t
-AC_CHECK_TYPE(uintmax_t,
-[NO_UINTMAX_T=],
-[NO_UINTMAX_T=YesPlease],[
-#include <inttypes.h>
-])
-GIT_CONF_SUBST([NO_UINTMAX_T])
-#
 # Define NO_STRTOUMAX if you don't have strtoumax in the C library.
 GIT_CHECK_FUNC(strtoumax,
 [NO_STRTOUMAX=],

meson.build

@@ -1331,17 +1331,6 @@ if compiler.compiles('''
   libgit_c_args += '-DHAVE_CLOCK_MONOTONIC'
 endif
 
-if not compiler.compiles('''
-  #include <inttypes.h>
-
-  void func(void)
-  {
-    uintmax_t x = 0;
-  }
-''', name: 'uintmax_t')
-  libgit_c_args += '-DNO_UINTMAX_T'
-endif
-
 has_bsd_sysctl = false
 if compiler.has_header('sys/sysctl.h')
   if compiler.compiles('''