build: Assume stdint.h is provided

We now require a (mostly-)C99 compiler, meaning we can rely on having
Standard C stdint.h.

Signed-off-by: Simon McVittie <smcv@collabora.com>

cmake/ConfigureChecks.cmake

@@ -17,7 +17,6 @@ check_include_file(io.h         HAVE_IO_H)      # internal
 check_include_file(linux/close_range.h HAVE_LINUX_CLOSE_RANGE_H)
 check_include_file(locale.h     HAVE_LOCALE_H)
 check_include_file(signal.h     HAVE_SIGNAL_H)
-check_include_file(stdint.h     HAVE_STDINT_H)   # dbus-pipe.h
 check_include_file(stdio.h      HAVE_STDIO_H)   # dbus-sysdeps.h
 check_include_file(syslog.h     HAVE_SYSLOG_H)
 check_include_files("stdint.h;sys/types.h;sys/event.h" HAVE_SYS_EVENT_H)

cmake/config.h.cmake

@@ -114,9 +114,6 @@
 /* Define to 1 if you have signal.h */
 #cmakedefine   HAVE_SIGNAL_H 1
 
-/* Define to 1 if you have stdint.h */
-#cmakedefine   HAVE_STDINT_H 1
-
 /* Define to 1 if you have stdio.h */
 #cmakedefine   HAVE_STDIO_H 1
 

configure.ac

@@ -419,7 +419,6 @@ errno.h
 linux/close_range.h
 locale.h
 signal.h
-stdint.h
 sys/prctl.h
 sys/random.h
 sys/resource.h

dbus/dbus-hash.h

@@ -24,9 +24,7 @@
 #ifndef DBUS_HASH_H
 #define DBUS_HASH_H
 
-#ifdef HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #ifdef HAVE_INTTYPES_H
 #include <inttypes.h>

dbus/dbus-pipe.h

@@ -25,9 +25,7 @@
 #ifndef DBUS_PIPE_H
 #define DBUS_PIPE_H
 
-#ifdef HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #ifdef HAVE_INTTYPES_H
 #include <inttypes.h>

dbus/dbus-sysdeps.h

@@ -30,9 +30,7 @@
 #include "config.h"
 #endif
 
-#ifdef HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #ifdef HAVE_INTTYPES_H
 #include <inttypes.h>

meson.build

@@ -617,7 +617,6 @@ check_headers = [
     'linux/close_range.h',
     'locale.h',
     'signal.h',
-    'stdint.h',
     'syslog.h',
     'sys/prctl.h',
     'sys/random.h',