Introduce build hardening flags for f23

From: Al Stone <ahs3@redhat.com>


---
 generate/unix/Makefile.config |    2 ++
 generate/unix/iasl/Makefile   |   13 +++++++------
 2 files changed, 9 insertions(+), 6 deletions(-)

Index: acpica-unix2-20180209/generate/unix/Makefile.config
===================================================================
--- acpica-unix2-20180209.orig/generate/unix/Makefile.config
+++ acpica-unix2-20180209/generate/unix/Makefile.config
@@ -182,6 +182,8 @@ ifneq ($(NOFORTIFY),TRUE)
 OPT_CFLAGS += -D_FORTIFY_SOURCE=2
 endif
 
+OPT_CFLAGS += -fPIC -pie
+
 CFLAGS += \
     -D$(HOST)\
     -D_GNU_SOURCE\
Index: acpica-unix2-20180209/generate/unix/iasl/Makefile
===================================================================
--- acpica-unix2-20180209.orig/generate/unix/iasl/Makefile
+++ acpica-unix2-20180209/generate/unix/iasl/Makefile
@@ -344,26 +344,27 @@ $(OBJDIR)/prparserparse.c $(OBJDIR)/prpa
 # Cannot use the common compile warning flags since the C files are created
 # by the utilities above and they are not necessarily ANSI C, etc.
 #
+HARDENING_FLAGS = -fPIC -pie
 $(OBJDIR)/aslcompilerlex.o :   $(OBJDIR)/aslcompilerlex.c
 	@echo "- " "Intermediate" $<
-	@$(CC) -c $(CFLAGS) -Wall -Werror -o$@ $<
+	@$(CC) -c $(CFLAGS) $(HARDENING_FLAGS) -Wall -Werror -o$@ $<
 
 $(OBJDIR)/aslcompilerparse.o : $(OBJDIR)/aslcompilerparse.c
 	@echo "- " "Intermediate" $<
-	@$(CC) -c $(CFLAGS) -Wall -Werror -o$@ $<
+	@$(CC) -c $(CFLAGS) $(HARDENING_FLAGS) -Wall -Werror -o$@ $<
 
 $(OBJDIR)/dtparserlex.o :      $(OBJDIR)/dtparserlex.c
 	@echo "- " "Intermediate" $<
-	@$(CC) -c $(CFLAGS) -Wall -Werror -o$@ $<
+	@$(CC) -c $(CFLAGS) $(HARDENING_FLAGS) -Wall -Werror -o$@ $<
 
 $(OBJDIR)/dtparserparse.o :    $(OBJDIR)/dtparserparse.c
 	@echo "- " "Intermediate" $<
-	@$(CC) -c $(CFLAGS) -Wall -Werror -o$@ $<
+	@$(CC) -c $(CFLAGS) $(HARDENING_FLAGS) -Wall -Werror -o$@ $<
 
 $(OBJDIR)/prparserlex.o :      $(OBJDIR)/prparserlex.c
 	@echo "- " "Intermediate" $<
-	@$(CC) -c $(CFLAGS) -Wall -Werror -o$@ $<
+	@$(CC) -c $(CFLAGS) $(HARDENING_FLAGS) -Wall -Werror -o$@ $<
 
 $(OBJDIR)/prparserparse.o :    $(OBJDIR)/prparserparse.c
 	@echo "- " "Intermediate" $<
-	@$(CC) -c $(CFLAGS) -Wall -Werror -o$@ $<
+	@$(CC) -c $(CFLAGS) $(HARDENING_FLAGS) -Wall -Werror -o$@ $<
