Merge pull request #1379 from Freescale/backport-1373-to-kirkstone

[Backport kirkstone] optee-os: Fix build with clang

1 files changed, 28 insertions, 0 deletions

diff --git a/recipes-security/optee-imx/optee-os/0007-allow-setting-sysroot-for-clang.patch b/recipes-security/optee-imx/optee-os/0007-allow-setting-sysroot-for-clang.patch
new file mode 100644
index 00000000..dc6d5517
--- /dev/null
+++ b/recipes-security/optee-imx/optee-os/0007-allow-setting-sysroot-for-clang.patch
@@ -0,0 +1,28 @@
+From db9e44af75c7cfd3316cab15aaa387383df3e57e Mon Sep 17 00:00:00 2001
+From: Brett Warren <brett.warren@arm.com>
+Date: Wed, 23 Sep 2020 09:27:34 +0100
+Subject: [PATCH] optee: enable clang support
+
+When compiling with clang, the LIBGCC_LOCATE_CFLAG variable used
+to provide a sysroot wasn't included, which results in not locating
+compiler-rt. This is mitigated by including the variable as ammended.
+
+Upstream-Status: Pending
+ChangeId: 8ba69a4b2eb8ebaa047cb266c9aa6c2c3da45701
+Signed-off-by: Brett Warren <brett.warren@arm.com>
+
+---
+ mk/clang.mk | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/mk/clang.mk
++++ b/mk/clang.mk
+@@ -30,7 +30,7 @@ comp-cflags-warns-clang := -Wno-language
+ 
+ # Note, use the compiler runtime library (libclang_rt.builtins.*.a) instead of
+ # libgcc for clang
+-libgcc$(sm)    := $(shell $(CC$(sm)) $(CFLAGS$(arch-bits-$(sm))) \
++libgcc$(sm)    := $(shell $(CC$(sm)) $(LIBGCC_LOCATE_CFLAGS) $(CFLAGS$(arch-bits-$(sm))) \
+                        -rtlib=compiler-rt -print-libgcc-file-name 2> /dev/null)
+ 
+ # Core ASLR relies on the executable being ready to run from its preferred load