[Buildroot] [PATCH] package/gcc: disable libitm for sparc <v9
Gustavo Zacarias
gustavo at zacarias.com.ar
Thu Jan 15 00:29:44 UTC 2015
libitm (transactional memory) needs SPARC V9+ ISA, otherwise when
enabling C++ the toolchain fails to build:
/tmp/cclQ6hrD.s: Assembler messages:
/tmp/cclQ6hrD.s:1261: Error: Architecture mismatch on "rd".
/tmp/cclQ6hrD.s:1261: (Requires v9|v9a|v9b; requested architecture is
v8.)
Makefile:517: recipe for target 'beginend.lo' failed
make[5]: *** [beginend.lo] Error 1
So disable it for our current (v8, leon3) support.
Signed-off-by: Gustavo Zacarias <gustavo at zacarias.com.ar>
---
package/gcc/gcc.mk | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/package/gcc/gcc.mk b/package/gcc/gcc.mk
index cdd71aa..2e8b412 100644
--- a/package/gcc/gcc.mk
+++ b/package/gcc/gcc.mk
@@ -110,6 +110,11 @@ else
HOST_GCC_COMMON_CONF_OPTS += --enable-target-optspace
endif
+# libitm needs sparc V9+
+ifeq ($(BR2_sparc_v8)$(BR2_sparc_leon3),y)
+HOST_GCC_COMMON_CONF_OPTS += --disable-libitm
+endif
+
# gcc 4.6.x quadmath requires wchar
ifneq ($(BR2_TOOLCHAIN_BUILDROOT_WCHAR),y)
HOST_GCC_COMMON_CONF_OPTS += --disable-libquadmath
--
2.0.5
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