Merge "style: fix functions definitions" into integration
diff --git a/Makefile b/Makefile
index a69bfbb..04b75fe 100644
--- a/Makefile
+++ b/Makefile
@@ -445,6 +445,8 @@
 
 GCC_V_OUTPUT		:=	$(shell $(CC) -v 2>&1)
 
+TF_LDFLAGS		+=	-z noexecstack
+
 # LD = armlink
 ifneq ($(findstring armlink,$(notdir $(LD))),)
 TF_LDFLAGS		+=	--diag_error=warning --lto_level=O1
@@ -475,6 +477,9 @@
 
 # LD = gcc-ld (ld) or llvm-ld (ld.lld) or other
 else
+# With ld.bfd version 2.39 and newer new warnings are added. Skip those since we
+# are not loaded by a elf loader.
+TF_LDFLAGS		+=	$(call ld_option, --no-warn-rwx-segments)
 TF_LDFLAGS		+=	-O1
 TF_LDFLAGS		+=	--gc-sections
 
diff --git a/make_helpers/build_macros.mk b/make_helpers/build_macros.mk
index 4815efa..89f43f2 100644
--- a/make_helpers/build_macros.mk
+++ b/make_helpers/build_macros.mk
@@ -87,6 +87,12 @@
     $(foreach num,$1,$(eval $(call assert_numeric,$(num))))
 endef
 
+# Convenience function to check for a given linker option. An call to
+# $(call ld_option, --no-XYZ) will return --no-XYZ if supported by the linker
+define ld_option
+	$(shell if $(LD) $(1) -v >/dev/null 2>&1; then echo $(1); fi )
+endef
+
 # CREATE_SEQ is a recursive function to create sequence of numbers from 1 to
 # $(2) and assign the sequence to $(1)
 define CREATE_SEQ