On Solaris and Haiku, the _IO() macros are defined in <sys/ioccom.h>.
Add a proper check for this header to our build system, and make sure
to include the header in tpm_ioctl.h to fix a build failure on Solaris
and Haiku.

Message-Id: <20201115152317.42752-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 backends/tpm/tpm_ioctl.h | 4 ++++
 meson.build              | 2 ++
 nbd/nbd-internal.h       | 2 +-
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/backends/tpm/tpm_ioctl.h b/backends/tpm/tpm_ioctl.h
index f5f5c553a9..bd6c12cb86 100644
--- a/backends/tpm/tpm_ioctl.h
+++ b/backends/tpm/tpm_ioctl.h
@@ -12,6 +12,10 @@
 #include <sys/uio.h>
 #include <sys/ioctl.h>
 
+#ifdef HAVE_SYS_IOCCOM_H
+#include <sys/ioccom.h>
+#endif
+
 /*
  * Every response from a command involving a TPM command execution must hold
  * the ptm_res as the first element.
diff --git a/meson.build b/meson.build
index 132bc49782..30f86ddafb 100644
--- a/meson.build
+++ b/meson.build
@@ -794,6 +794,8 @@ config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0]
 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
 
+config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
+
 ignored = ['CONFIG_QEMU_INTERP_PREFIX'] # actually per-target
 arrays = ['CONFIG_AUDIO_DRIVERS', 'CONFIG_BDRV_RW_WHITELIST', 'CONFIG_BDRV_RO_WHITELIST']
 strings = ['HOST_DSOSUF', 'CONFIG_IASL']
diff --git a/nbd/nbd-internal.h b/nbd/nbd-internal.h
index 60629ef160..1b2141ab4b 100644
--- a/nbd/nbd-internal.h
+++ b/nbd/nbd-internal.h
@@ -19,7 +19,7 @@
 #ifndef _WIN32
 #include <sys/ioctl.h>
 #endif
-#if defined(__sun__) || defined(__HAIKU__)
+#ifdef HAVE_SYS_IOCCOM_H
 #include <sys/ioccom.h>
 #endif
 
-- 
2.18.4