commit a6a4c542d316b3401f0840ac5378743191bca851
author Pavel Machek <pavel@denx.de> Mon Apr 13 14:49:28 2015 +0200
committer Tom Rini <trini@konsulko.com> Mon Apr 13 10:52:51 2015 -0400
tree f218001f51eae9fde364595532f849048682c974
parent 1d2f74690cace803844bce198a6d5fa1b6cd11f9

break build if it would produce broken binary

Add an error in known-bad case so that we don't produce broken and
hard to debug binaries.

Signed-off-by: Pavel Machek <pavel@denx.de>

arch/arm/include/asm/u-boot.h

diff --git a/arch/arm/include/asm/u-boot.h b/arch/arm/include/asm/u-boot.h
index 43cc494..ae4c21b 100644
--- a/arch/arm/include/asm/u-boot.h
+++ b/arch/arm/include/asm/u-boot.h
@@ -49,4 +49,8 @@
 #define IH_ARCH_DEFAULT IH_ARCH_ARM64
 #endif
 
+#if defined(CONFIG_USE_PRIVATE_LIBGCC) && defined(CONFIG_SYS_THUMB_BUILD)
+#error Thumb build does not work with private libgcc.
+#endif
+
 #endif	/* _U_BOOT_H_ */