[OE-core] [PATCH] libgcc/gcc-runtime: Disable thumb mode on armv6

[Richard Purdie]

Without this the build fails for armv6t targets due to invalid
assembler instructions in thumb mode.

[YOCTO #12929]

Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/recipes-devtools/gcc/gcc-runtime_8.2.bb    | 2 ++
 meta/recipes-devtools/gcc/libgcc-initial_8.2.bb | 3 +++
 meta/recipes-devtools/gcc/libgcc_8.2.bb         | 3 +++
 3 files changed, 8 insertions(+)

diff --git a/meta/recipes-devtools/gcc/gcc-runtime_8.2.bb b/meta/recipes-devtools/gcc/gcc-runtime_8.2.bb
index fe787174e8a..a1c7a76d0b1 100644
--- a/meta/recipes-devtools/gcc/gcc-runtime_8.2.bb
+++ b/meta/recipes-devtools/gcc/gcc-runtime_8.2.bb
@@ -8,3 +8,5 @@ FILES_libgomp-dev += "\
     ${libdir}/gcc/${TARGET_SYS}/${BINV}/include/openacc.h \
 "
 
+# Building with thumb enabled on armv6t fails
+ARM_INSTRUCTION_SET_armv6 = "arm"
diff --git a/meta/recipes-devtools/gcc/libgcc-initial_8.2.bb b/meta/recipes-devtools/gcc/libgcc-initial_8.2.bb
index 19f253fce85..0c698c26ec0 100644
--- a/meta/recipes-devtools/gcc/libgcc-initial_8.2.bb
+++ b/meta/recipes-devtools/gcc/libgcc-initial_8.2.bb
@@ -1,2 +1,5 @@
 require recipes-devtools/gcc/gcc-${PV}.inc
 require libgcc-initial.inc
+
+# Building with thumb enabled on armv6t fails
+ARM_INSTRUCTION_SET_armv6 = "arm"
diff --git a/meta/recipes-devtools/gcc/libgcc_8.2.bb b/meta/recipes-devtools/gcc/libgcc_8.2.bb
index a5152f28e9b..ea210a11308 100644
--- a/meta/recipes-devtools/gcc/libgcc_8.2.bb
+++ b/meta/recipes-devtools/gcc/libgcc_8.2.bb
@@ -1,2 +1,5 @@
 require recipes-devtools/gcc/gcc-${PV}.inc
 require libgcc.inc
+
+# Building with thumb enabled on armv6t fails
+ARM_INSTRUCTION_SET_armv6 = "arm"
-- 
2.17.1