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accel: Re-enable WHPX cross-build on case sensitive filesystems

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Since MinGW commit 395dcfdea ("rename hyper-v headers and def
files to lower case") [*], WinHvPlatform.h and WinHvEmulation.h
got respectively renamed as winhvplatform.h / winhvemulation.h.

The mingw64-headers package included in the Fedora version we
use for CI does include this commit; and meson fails to detect
these present-but-renamed headers while cross-building (on
case-sensitive filesystems).

Use the renamed header in order to detect and successfully
cross-build with the WHPX accelerator.

Note, on Windows hosts, the libraries are still named as
WinHvPlatform.dll and WinHvEmulation.dll, so we don't bother
renaming the definitions used by load_whp_dispatch_fns() in
target/i386/whpx/whpx-all.c.

[*] 395dcfdea

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230624142211.8888-3-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2023-06-24 15:31:44 +02:00
parent 098bfc01df
commit 641b841722
3 changed files with 6 additions and 6 deletions
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4
meson.build
View file

@ -661,8 +661,8 @@ endif
if get_option('whpx').allowed() and targetos == 'windows'
if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
error('WHPX requires 64-bit host')
elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
cc.has_header('winhvemulation.h', required: get_option('whpx'))
accelerators += 'CONFIG_WHPX'
endif
endif

4
target/i386/whpx/whpx-all.c
View file

@ -31,8 +31,8 @@
#include "whpx-internal.h"
#include "whpx-accel-ops.h"
#include <WinHvPlatform.h>
#include <WinHvEmulation.h>
#include <winhvplatform.h>
#include <winhvemulation.h>
#define HYPERV_APIC_BUS_FREQUENCY (200000000ULL)

4
target/i386/whpx/whpx-internal.h
View file

@ -2,8 +2,8 @@
#define TARGET_I386_WHPX_INTERNAL_H
#include <windows.h>
#include <WinHvPlatform.h>
#include <WinHvEmulation.h>
#include <winhvplatform.h>
#include <winhvemulation.h>
typedef enum WhpxBreakpointState {
WHPX_BP_CLEARED = 0,