Qemu FreeBSD: fix compilation

* Autotools changes:
  - Don't assume Qemu is Linux-only
  - Check Linux headers only on Linux
  - Disable firewalld on FreeBSD
* Initctl:
  Initctl seem to present only on Linux, so stub it on other platforms
* Raw I/O: Linux-only as well
* Headers cleanup

2 files changed, 44 insertions, 24 deletions

diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index 4418f3330a..cc0e9472ea 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -27,7 +27,12 @@
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <sys/resource.h>
-#include <linux/capability.h>
+#if defined(__linux__)
+# include <linux/capability.h>
+#elif defined(__FreeBSD__)
+# include <sys/param.h>
+# include <sys/cpuset.h>
+#endif
 
 #include "qemu_process.h"
 #include "qemu_domain.h"
@@ -3716,7 +3721,12 @@ int qemuProcessStart(virConnectPtr conn,
     /* in case a certain disk is desirous of CAP_SYS_RAWIO, add this */
     for (i = 0; i < vm->def->ndisks; i++) {
         if (vm->def->disks[i]->rawio == 1)
+#ifdef CAP_SYS_RAWIO
             virCommandAllowCap(cmd, CAP_SYS_RAWIO);
+#else
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                           _("Raw I/O is not supported on this platform"));
+#endif
     }
 
     virCommandSetPreExecHook(cmd, qemuProcessHook, &hookData);
diff --git a/src/util/virinitctl.c b/src/util/virinitctl.c
index cdd3dc0482..e8949af3da 100644
--- a/src/util/virinitctl.c
+++ b/src/util/virinitctl.c
@@ -35,6 +35,8 @@
 
 #define VIR_FROM_THIS VIR_FROM_INITCTL
 
+#if defined(__linux__) || \
+    (defined(__FreeBSD_kernel__) && !(defined(__FreeBSD__)))
 /* These constants & struct definitions are taken from
  * systemd, under terms of LGPLv2+
  *
@@ -43,29 +45,29 @@
  *              Copyright (C) 1995-2004 Miquel van Smoorenburg
  */
 
-#if defined(__FreeBSD_kernel__)
-# define VIR_INITCTL_FIFO  "/etc/.initctl"
-#else
-# define VIR_INITCTL_FIFO  "/dev/initctl"
-#endif
-
-#define VIR_INITCTL_MAGIC 0x03091969
-#define VIR_INITCTL_CMD_START          0
-#define VIR_INITCTL_CMD_RUNLVL         1
-#define VIR_INITCTL_CMD_POWERFAIL      2
-#define VIR_INITCTL_CMD_POWERFAILNOW   3
-#define VIR_INITCTL_CMD_POWEROK        4
-#define VIR_INITCTL_CMD_BSD            5
-#define VIR_INITCTL_CMD_SETENV         6
-#define VIR_INITCTL_CMD_UNSETENV       7
-
-#define VIR_INITCTL_CMD_CHANGECONS     12345
-
-#ifdef MAXHOSTNAMELEN
-# define VIR_INITCTL_RQ_HLEN   MAXHOSTNAMELEN
-#else
-# define VIR_INITCTL_RQ_HLEN   64
-#endif
+# if defined(__FreeBSD_kernel__)
+#  define VIR_INITCTL_FIFO  "/etc/.initctl"
+# else
+#  define VIR_INITCTL_FIFO  "/dev/initctl"
+# endif
+
+# define VIR_INITCTL_MAGIC 0x03091969
+# define VIR_INITCTL_CMD_START          0
+# define VIR_INITCTL_CMD_RUNLVL         1
+# define VIR_INITCTL_CMD_POWERFAIL      2
+# define VIR_INITCTL_CMD_POWERFAILNOW   3
+# define VIR_INITCTL_CMD_POWEROK        4
+# define VIR_INITCTL_CMD_BSD            5
+# define VIR_INITCTL_CMD_SETENV         6
+# define VIR_INITCTL_CMD_UNSETENV       7
+
+# define VIR_INITCTL_CMD_CHANGECONS     12345
+
+# ifdef MAXHOSTNAMELEN
+#  define VIR_INITCTL_RQ_HLEN   MAXHOSTNAMELEN
+# else
+#  define VIR_INITCTL_RQ_HLEN   64
+# endif
 
 /*
 *      This is what BSD 4.4 uses when talking to init.
@@ -161,3 +163,11 @@ cleanup:
     VIR_FORCE_CLOSE(fd);
     return ret;
 }
+#else
+int virInitctlSetRunLevel(virInitctlRunLevel level ATTRIBUTE_UNUSED,
+                          const char *vroot ATTRIBUTE_UNUSED)
+{
+   virReportError(VIR_ERR_NO_SUPPORT, "%s", __FUNCTION__);
+   return -1;
+}
+#endif