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-rw-r--r--unix/tclUnixCompat.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/unix/tclUnixCompat.c b/unix/tclUnixCompat.c
index 0456faf..1043115 100644
--- a/unix/tclUnixCompat.c
+++ b/unix/tclUnixCompat.c
@@ -692,7 +692,7 @@ TclWinCPUID(
{
int status = TCL_ERROR;
-#ifdef HAVE_CPUID
+#if defined(HAVE_CPUID) && defined(__CYGWIN__)
__asm__ __volatile__("pushl %%ebx \n\t" /* save %ebx */
"cpuid \n\t"
"movl %%ebx, %1 \n\t" /* save what cpuid just put in %ebx */