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authorHerbert Xu <herbert@gondor.apana.org.au>2009-12-01 15:16:22 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2009-12-01 15:16:22 +0800
commit838632438145ac6863377eb12d8b8eef9c55d288 (patch)
treefbb0757df837f3c75a99c518a3596c38daef162d /arch/arm/kernel/unwind.c
parent9996508b3353063f2d6c48c1a28a84543d72d70b (diff)
parent29e553631b2a0d4eebd23db630572e1027a9967a (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/arm/kernel/unwind.c')
-rw-r--r--arch/arm/kernel/unwind.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c
index 39baf1128bfa..786ac2b6914a 100644
--- a/arch/arm/kernel/unwind.c
+++ b/arch/arm/kernel/unwind.c
@@ -26,6 +26,15 @@
* http://infocenter.arm.com/help/topic/com.arm.doc.subset.swdev.abi/index.html
*/
+#if !defined (__ARM_EABI__)
+#warning Your compiler does not have EABI support.
+#warning ARM unwind is known to compile only with EABI compilers.
+#warning Change compiler or disable ARM_UNWIND option.
+#elif (__GNUC__ == 4 && __GNUC_MINOR__ <= 2)
+#warning Your compiler is too buggy; it is known to not compile ARM unwind support.
+#warning Change compiler or disable ARM_UNWIND option.
+#endif
+
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>