Merge pull request #933 from zandrey/imx-atf-improvements

imx-atf improvements (Clang ready)

1 files changed, 19 insertions, 2 deletions

diff --git a/recipes-bsp/imx-atf/imx-atf_2.4.bb b/recipes-bsp/imx-atf/imx-atf_2.4.bb
index 8360bfa8..ce30822e 100644
--- a/recipes-bsp/imx-atf/imx-atf_2.4.bb
+++ b/recipes-bsp/imx-atf/imx-atf_2.4.bb
@@ -25,13 +25,30 @@ EXTRA_OEMAKE += " \
     PLAT=${ATF_PLATFORM} \
 "
 
+# Let the Makefile handle setting up the CFLAGS and LDFLAGS as it is a standalone application
+CFLAGS[unexport] = "1"
+LDFLAGS[unexport] = "1"
+AS[unexport] = "1"
+LD[unexport] = "1"
+
+# Baremetal, just need a compiler
+DEPENDS:remove = "virtual/${TARGET_PREFIX}compilerlibs virtual/libc"
+
 BUILD_OPTEE = "${@bb.utils.contains('MACHINE_FEATURES', 'optee', 'true', 'false', d)}"
 
-CFLAGS:remove:mx8mq = "-O2"
+# CC and LD introduce arguments which conflict with those otherwise provided by
+# this recipe. The heads of these variables excluding those arguments
+# are therefore used instead.
+def remove_options_tail (in_string):
+    from itertools import takewhile
+    return ' '.join(takewhile(lambda x: not x.startswith('-'), in_string.split(' ')))
+
+EXTRA_OEMAKE += "LD=${@remove_options_tail(d.getVar('LD'))}"
+
+EXTRA_OEMAKE += "CC=${@remove_options_tail(d.getVar('CC'))}"
 
 do_compile() {
     # Clear LDFLAGS to avoid the option -Wl recognize issue
-    unset LDFLAGS
     oe_runmake bl31
     if ${BUILD_OPTEE}; then
        oe_runmake clean BUILD_BASE=build-optee