From 3d831a7c27e8c781bf7cfef0e36a6f27f38c0cf4 Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Wed, 22 Dec 2004 21:04:52 +0000
Subject: Cleaned up patch from Peter S. Mazinger adding support for
 -fstack-protector and -fno-stack-protector-all security options

---
 Rules.mak           | 9 +++++++--
 ldso/ldso/Makefile  | 3 +--
 ldso/libdl/Makefile | 2 +-
 libcrypt/Makefile   | 2 ++
 libintl/Makefile    | 2 ++
 libm/Makefile       | 2 ++
 libnsl/Makefile     | 2 ++
 libpthread/Makefile | 2 ++
 libresolv/Makefile  | 2 ++
 libutil/Makefile    | 2 ++
 utils/Makefile      | 2 ++
 11 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/Rules.mak b/Rules.mak
index 7c6b51d6b..75bf9462a 100644
--- a/Rules.mak
+++ b/Rules.mak
@@ -231,9 +231,13 @@ PIEFLAG=
 LDPIEFLAG=
 endif
 
-ifeq ($(SSP_CFLAGS),)
+SSP_DISABLE_FLAGS=$(call check_gcc,-fno-stack-protector,)
+ifeq ($(UCLIBC_PROPOLICE),y)
 SSP_CFLAGS=$(call check_gcc,-fno-stack-protector-all,)
 SSP_CFLAGS+=$(call check_gcc,-fstack-protector,)
+SSP_ALL_CFLAGS=$(call check_gcc,-fstack-protector-all,)
+else
+SSP_CFLAGS=$(SSP_DISABLE_FLAGS)
 endif
 
 # Some nice CFLAGS to work with
@@ -242,7 +246,8 @@ CFLAGS=$(XWARNINGS) $(OPTIMIZATION) $(XARCH_CFLAGS) $(CPU_CFLAGS) $(SSP_CFLAGS)
 
 ifeq ($(DODEBUG),y)
     #CFLAGS += -g3
-    CFLAGS = $(XWARNINGS) -O0 -g3 $(CPU_CFLAGS) -fno-builtin -nostdinc -D_LIBC -I$(TOPDIR)include -I.
+    CFLAGS = $(XWARNINGS) -O0 -g3 $(CPU_CFLAGS) $(SSP_CFLAGS) \
+	-fno-builtin -nostdinc -D_LIBC -I$(TOPDIR)include -I.
     LDFLAGS:= $(CPU_LDFLAGS-y) -shared --warn-common --warn-once -z combreloc
     STRIPTOOL:= true -Since_we_are_debugging
 else
diff --git a/ldso/ldso/Makefile b/ldso/ldso/Makefile
index 1d71f3fcb..ef48e3358 100644
--- a/ldso/ldso/Makefile
+++ b/ldso/ldso/Makefile
@@ -21,11 +21,10 @@ TOPDIR=../../
 include $(TOPDIR)Rules.mak
 LDSO_FULLNAME=ld-uClibc-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
 
-SSPFLAGS=$(call check_gcc,-fno-stack-protector,)
 # reset to initial (disabling predefined CFLAGS)
 ASFLAGS=
 
-XXFLAGS=$(XWARNINGS) $(SSPFLAGS)
+XXFLAGS=$(XWARNINGS) $(SSP_DISABLE_FLAGS)
 ifeq ($(DODEBUG),y)
 # Not really much point in including debugging info, since gdb
 # can't really debug ldso, since gdb requires help from ldso to
diff --git a/ldso/libdl/Makefile b/ldso/libdl/Makefile
index 7f65128c4..37019aff3 100644
--- a/ldso/libdl/Makefile
+++ b/ldso/libdl/Makefile
@@ -21,7 +21,7 @@
 TOPDIR=../../
 include $(TOPDIR)Rules.mak
 
-XXFLAGS=$(XWARNINGS)
+XXFLAGS=$(XWARNINGS) $(SSP_CFLAGS) $(SSP_ALL_CFLAGS)
 ifeq ($(DODEBUG),y)
 XXFLAGS+=-O0 -g3
 else
diff --git a/libcrypt/Makefile b/libcrypt/Makefile
index afe20f786..497e5307c 100644
--- a/libcrypt/Makefile
+++ b/libcrypt/Makefile
@@ -24,6 +24,8 @@
 TOPDIR=../
 include $(TOPDIR)Rules.mak
 
+CFLAGS+=$(SSP_ALL_CFLAGS)
+
 LIBCRYPT=libcrypt.a
 LIBCRYPT_SHARED=libcrypt.so
 LIBCRYPT_SHARED_FULLNAME=libcrypt-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
diff --git a/libintl/Makefile b/libintl/Makefile
index d52409ed9..8dd084dc5 100644
--- a/libintl/Makefile
+++ b/libintl/Makefile
@@ -25,6 +25,8 @@ TOPDIR=../
 include $(TOPDIR)Rules.mak
 LIBC=$(TOPDIR)libc.a
 
+CFLAGS+=$(SSP_ALL_CFLAGS)
+
 LIBINTL=libintl.a
 LIBINTL_SHARED=libintl.so
 LIBINTL_SHARED_FULLNAME=libintl-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
diff --git a/libm/Makefile b/libm/Makefile
index cdecf0991..02e632107 100644
--- a/libm/Makefile
+++ b/libm/Makefile
@@ -34,6 +34,8 @@
 TOPDIR=../
 include $(TOPDIR)Rules.mak
 
+CFLAGS+=$(SSP_ALL_CFLAGS)
+
 DIRS = 
 ifeq ($(strip $(HAS_FPU)),y)
 ifeq ($(TARGET_ARCH),$(wildcard $(TARGET_ARCH)))
diff --git a/libnsl/Makefile b/libnsl/Makefile
index 1d1b9a53a..915651063 100644
--- a/libnsl/Makefile
+++ b/libnsl/Makefile
@@ -19,6 +19,8 @@
 TOPDIR=../
 include $(TOPDIR)Rules.mak
 
+CFLAGS+=$(SSP_ALL_CFLAGS)
+
 LIBNSL=libnsl.a
 LIBNSL_SHARED=libnsl.so
 LIBNSL_SHARED_FULLNAME=libnsl-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
diff --git a/libpthread/Makefile b/libpthread/Makefile
index 709d22b49..4a763ca78 100644
--- a/libpthread/Makefile
+++ b/libpthread/Makefile
@@ -19,6 +19,8 @@
 TOPDIR=../
 include $(TOPDIR)Rules.mak
 
+CFLAGS+=$(SSP_ALL_CFLAGS)
+
 #Adjust the soname version to avoid namespace collisions with glibc's libpthread
 LIBPTHREAD=libpthread.a
 LIBPTHREAD_SHARED=libpthread.so
diff --git a/libresolv/Makefile b/libresolv/Makefile
index d575363c0..510457b87 100644
--- a/libresolv/Makefile
+++ b/libresolv/Makefile
@@ -25,6 +25,8 @@
 TOPDIR=../
 include $(TOPDIR)Rules.mak
 
+CFLAGS+=$(SSP_ALL_CFLAGS)
+
 LIBRESOLV=libresolv.a
 LIBRESOLV_SHARED=libresolv.so
 LIBRESOLV_SHARED_FULLNAME=libresolv-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
diff --git a/libutil/Makefile b/libutil/Makefile
index a31f1ed8f..59176c903 100644
--- a/libutil/Makefile
+++ b/libutil/Makefile
@@ -25,6 +25,8 @@ TOPDIR=../
 include $(TOPDIR)Rules.mak
 LIBC=$(TOPDIR)libc.a
 
+CFLAGS+=$(SSP_ALL_CFLAGS)
+
 LIBUTIL=libutil.a
 LIBUTIL_SHARED=libutil.so
 LIBUTIL_SHARED_FULLNAME=libutil-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
diff --git a/utils/Makefile b/utils/Makefile
index 168a2e920..86640055d 100644
--- a/utils/Makefile
+++ b/utils/Makefile
@@ -19,6 +19,8 @@
 TOPDIR=../
 include $(TOPDIR)Rules.mak
 
+CFLAGS+=$(SSP_ALL_CFLAGS)
+
 TARGETS = ldd ldconfig readelf
 
 ifeq ($(strip $(UCLIBC_HAS_LOCALE)),y)
-- 
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