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include/qemu/osdep.h: Don't include qapi/error.h

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Commit 57cb38b included qapi/error.h into qemu/osdep.h to get the
Error typedef.  Since then, we've moved to include qemu/osdep.h
everywhere.  Its file comment explains: "To avoid getting into
possible circular include dependencies, this file should not include
any other QEMU headers, with the exceptions of config-host.h,
compiler.h, os-posix.h and os-win32.h, all of which are doing a
similar job to this file and are under similar constraints."
qapi/error.h doesn't do a similar job, and it doesn't adhere to
similar constraints: it includes qapi-types.h.  That's in excess of
100KiB of crap most .c files don't actually need.

Add the typedef to qemu/typedefs.h, and include that instead of
qapi/error.h.  Include qapi/error.h in .c files that need it and don't
get it now.  Include qapi-types.h in qom/object.h for uint16List.

Update scripts/clean-includes accordingly.  Update it further to match
reality: replace config.h by config-target.h, add sysemu/os-posix.h,
sysemu/os-win32.h.  Update the list of includes in the qemu/osdep.h
comment quoted above similarly.

This reduces the number of objects depending on qapi/error.h from "all
of them" to less than a third.  Unfortunately, the number depending on
qapi-types.h shrinks only a little.  More work is needed for that one.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
[Fix compilation without the spice devel packages. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Markus Armbruster 2016-03-14 09:01:28 +01:00 • committed by Paolo Bonzini
parent 4829e0378d
commit da34e65cb4
392 changed files with 399 additions and 15 deletions
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5
scripts/clean-includes
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@ -139,12 +139,13 @@ for f in "$@"; do
# Remove includes that osdep.h already provides
perl -n -i -e 'print if !/\s*#\s*include\s*(["<][^>"]*[">])/ ||
! (grep { $_ eq $1 } qw (
"config-host.h" "qemu/compiler.h" "config.h"
"config-host.h" "config-target.h" "qemu/compiler.h"
<stdarg.h> <stddef.h> <stdbool.h> <stdint.h> <sys/types.h>
<stdlib.h> <stdio.h> <string.h> <strings.h> <inttypes.h>
<limits.h> <unistd.h> <time.h> <ctype.h> <errno.h> <fcntl.h>
<sys/stat.h> <sys/time.h> <assert.h> <signal.h>
"glib-compat.h" "qapi/error.h"
"sysemu/os-posix.h, sysemu/os-win32.h "glib-compat.h"
"qemu/typedefs.h"
))' "$f"
done

1
scripts/qapi-visit.py
View file

@ -355,6 +355,7 @@ h_comment = '''
fdef.write(mcgen('''
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "qapi/error.h"
#include "%(prefix)sqapi-visit.h"
''',
prefix=prefix))