[patch] Fixip just has_pic, add has_ssp_all and header comments

flago-haspicssp.patch (text/plain), 1.46 KB, created by Kevin F. Quinn (RETIRED) on 2005-04-28 12:32:24 UTC

--- flag-o-matic.eclass.orig	2005-04-27 19:46:05.000000000 +0200
+++ flag-o-matic.eclass	2005-04-28 21:20:35.000000000 +0200
@@ -63,6 +63,18 @@
 # 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 @@
 	[ "${CFLAGS/-fPIC}" != "${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 @@
 	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