Revert "Revert "toolchain: Fix compiling due to Stack Protector changes.""

This reverts commit 4ec728f840.

lfs/gcc

@@ -97,6 +97,9 @@ else
   EXTRA_MAKE = 
   EXTRA_INSTALL = 
 endif
+
+  # Disable stack protection in toolchain.
+  CFLAGS += -fno-stack-protector
 endif
 
 ifeq "$(MACHINE_TYPE)" "arm"

lfs/glibc

@@ -297,8 +297,21 @@ endif
 	cd $(DIR_SRC)/glibc-build && \
 		CFLAGS="$(CFLAGS) -fno-asynchronous-unwind-tables" \
 		$(DIR_APP)/configure $(EXTRA_CONFIG)
+
+	sed -i $(DIR_SRC)/glibc-build/config.make \
+		-e "s/^build-pic-default=.*/build-pic-default=yes/"
+
+	# Build the glibc libraries without stack protection (as this is not supported)
+	echo "build-programs=no" >> $(DIR_SRC)/glibc-build/configparms
+	cd $(DIR_SRC)/glibc-build && make PARALLELMFLAGS=$(MAKETUNING) \
+		CFLAGS="$(CFLAGS) -fno-stack-protector -U_FORTIFY_SOURCE" \
+		CXXFLAGS="$(CXXFLAGS) -fno-stack-protector -U_FORTIFY_SOURCE"
+
+	# Build the programs with hardening
+	: > $(DIR_SRC)/glibc-build/configparms
 	cd $(DIR_SRC)/glibc-build && make PARALLELMFLAGS=$(MAKETUNING) \
 		CFLAGS="$(CFLAGS)" CXXFLAGS="$(CXXFLAGS)"
+
 	cd $(DIR_SRC)/glibc-build && make $(EXTRA_INSTALL) install
 
 ifeq "$(ROOT)" ""