[Xen-devel] [PATCH] Fix ioemu compile on Solaris

[john.levon@xxxxxxx]

# HG changeset patch
# User xen-discuss@xxxxxxxxxxxxxxx
# Date 1203680243 28800
# Node ID 3a0e7fc8b4b7c650c9377c7b2a197c127913a622
# Parent  0accc274f62715d356a591d2286027f7591a9412
Fix ioemu compile on Solaris

_POSIX_C_SOURCE does not guarantee the available of the 1003.1j option
which contains posix_memalign(). Fix the test to explicitly test for
Linux.

Signed-off-by: John Levon <john.levon@xxxxxxx>

diff --git a/tools/ioemu/osdep.c b/tools/ioemu/osdep.c
--- a/tools/ioemu/osdep.c
+++ b/tools/ioemu/osdep.c
@@ -178,7 +178,7 @@ void kqemu_vfree(void *ptr)
 
 void *qemu_memalign(size_t alignment, size_t size)
 {
-#if defined(_POSIX_C_SOURCE)
+#if defined(__Linux__)
     int ret;
     void *ptr;
     ret = posix_memalign(&ptr, alignment, size);

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