- update has_pic to not test for pie. add has_ssp_all and comments. Kevin F. Quinn

1 files changed, 21 insertions, 2 deletions

diff --git a/eclass/flag-o-matic.eclass b/eclass/flag-o-matic.eclass
index 06c6728fcaa4..6147cdd054e4 100644
--- a/eclass/flag-o-matic.eclass
+++ b/eclass/flag-o-matic.eclass
@@ -1,6 +1,6 @@
 # Copyright 1999-2005 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.85 2005/04/06 23:29:23 vapier Exp $
+# $Header: /var/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.86 2005/04/28 20:06:00 solar Exp $
 
 ECLASS=flag-o-matic
 INHERITED="$INHERITED $ECLASS"
@@ -63,6 +63,18 @@ inherit eutils toolchain-funcs multilib
 # notice: modern automatic specs files will also suppress -fstack-protector-all
 # when only -fno-stack-protector is given
 #
+#### has_pic ####
+# Returns true if the compiler by default or with current CFLAGS
+# builds position-independent code.
+#
+#### has_ssp_all ####
+# Returns true if the compiler by default or with current CFLAGS
+# generates stack smash protections for all functions
+#
+#### has_ssp ####
+# Returns true if the compiler by default or with current CFLAGS
+# generates stack smash protections for most vulnerable functions
+#
 
 # C[XX]FLAGS that we allow in strip-flags
 setup-allowed-flags() {
@@ -326,7 +338,6 @@ has_pic() {
 	[ "${CFLAGS/-fPIC}" != "${CFLAGS}" ] && return 0
 	[ "${CFLAGS/-fpic}" != "${CFLAGS}" ] && return 0
 	[ "$(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIC__)" ] && return 0
-	test_version_info pie && return 0
 	return 1
 }
 
@@ -340,6 +351,14 @@ has_pie() {
 	return 1
 }
 
+# indicate whether code for SSP is being generated for all functions
+has_ssp_all() {
+	# note; this matches only -fstack-protector-all
+	[ "${CFLAGS/-fstack-protector-all}" != "${CFLAGS}" ] && return 0
+	[ "$(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __SSP_ALL__)" ] && return 0
+	return 1
+}
+
 # indicate whether code for SSP is being generated
 has_ssp() {
 	# note; this matches both -fstack-protector and -fstack-protector-all