commit 24f3e6699f0eed42cb2e0acf511ffb7e96efebe7
Author: Mark Wielaard <mark@klomp.org>
Date:   Sun Apr 14 00:30:05 2019 +0200

    Remove no-stack-protector, add stack-protector-strong to some.

diff --git a/auxprogs/Makefile.am b/auxprogs/Makefile.am
index 56cc5efc7..bed7b7ba3 100644
--- a/auxprogs/Makefile.am
+++ b/auxprogs/Makefile.am
@@ -30,7 +30,7 @@ bin_PROGRAMS = valgrind-listener valgrind-di-server
 
 valgrind_listener_SOURCES = valgrind-listener.c
 valgrind_listener_CPPFLAGS  = $(AM_CPPFLAGS_PRI) -I$(top_srcdir)/coregrind
-valgrind_listener_CFLAGS    = $(AM_CFLAGS_PRI)
+valgrind_listener_CFLAGS    = $(AM_CFLAGS_PRI) -fstack-protector-strong
 valgrind_listener_CCASFLAGS = $(AM_CCASFLAGS_PRI)
 valgrind_listener_LDFLAGS   = $(AM_CFLAGS_PRI)
 if VGCONF_PLATVARIANT_IS_ANDROID
@@ -49,7 +49,7 @@ endif
 
 valgrind_di_server_SOURCES   = valgrind-di-server.c
 valgrind_di_server_CPPFLAGS  = $(AM_CPPFLAGS_PRI) -I$(top_srcdir)/coregrind
-valgrind_di_server_CFLAGS    = $(AM_CFLAGS_PRI)
+valgrind_di_server_CFLAGS    = $(AM_CFLAGS_PRI) -fstack-protector-strong
 valgrind_di_server_CCASFLAGS = $(AM_CCASFLAGS_PRI)
 valgrind_di_server_LDFLAGS   = $(AM_CFLAGS_PRI)
 if VGCONF_PLATVARIANT_IS_ANDROID
diff --git a/cachegrind/Makefile.am b/cachegrind/Makefile.am
index f8447a17c..f57274118 100644
--- a/cachegrind/Makefile.am
+++ b/cachegrind/Makefile.am
@@ -25,7 +25,7 @@ bin_PROGRAMS = cg_merge
 
 cg_merge_SOURCES = cg_merge.c
 cg_merge_CPPFLAGS  = $(AM_CPPFLAGS_PRI)
-cg_merge_CFLAGS    = $(AM_CFLAGS_PRI)
+cg_merge_CFLAGS    = $(AM_CFLAGS_PRI) -fstack-protector-strong
 cg_merge_CCASFLAGS = $(AM_CCASFLAGS_PRI)
 cg_merge_LDFLAGS   = $(AM_CFLAGS_PRI)
 # If there is no secondary platform, and the platforms include x86-darwin,
diff --git a/configure.ac b/configure.ac
index f8c798bf3..ccc8f52db 100755
--- a/configure.ac
+++ b/configure.ac
@@ -2188,24 +2188,24 @@ AC_LANG(C)
 AC_SUBST(FLAG_FALIGNED_NEW)
 
 # does this compiler support -fno-stack-protector ?
-AC_MSG_CHECKING([if gcc accepts -fno-stack-protector])
-
-safe_CFLAGS=$CFLAGS
-CFLAGS="-fno-stack-protector -Werror"
-
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
-  return 0;
-]])], [
-no_stack_protector=yes
-FLAG_FNO_STACK_PROTECTOR="-fno-stack-protector"
-AC_MSG_RESULT([yes])
-], [
-no_stack_protector=no
+#AC_MSG_CHECKING([if gcc accepts -fno-stack-protector])
+#
+#safe_CFLAGS=$CFLAGS
+#CFLAGS="-fno-stack-protector -Werror"
+#
+#AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+#  return 0;
+#]])], [
+#no_stack_protector=yes
+#FLAG_FNO_STACK_PROTECTOR="-fno-stack-protector"
+#AC_MSG_RESULT([yes])
+#], [
+#no_stack_protector=no
 FLAG_FNO_STACK_PROTECTOR=""
-AC_MSG_RESULT([no])
-])
-CFLAGS=$safe_CFLAGS
-
+#AC_MSG_RESULT([no])
+#])
+#CFLAGS=$safe_CFLAGS
+#
 AC_SUBST(FLAG_FNO_STACK_PROTECTOR)
 
 # does this compiler support -finline-functions ?
diff --git a/coregrind/Makefile.am b/coregrind/Makefile.am
index 94030fdb0..3c732100e 100644
--- a/coregrind/Makefile.am
+++ b/coregrind/Makefile.am
@@ -55,7 +55,7 @@ AR = ${LTO_AR}
 RANLIB = ${LTO_RANLIB}
 
 valgrind_CPPFLAGS  = $(AM_CPPFLAGS_PRI)
-valgrind_CFLAGS    = $(AM_CFLAGS_PRI) $(LTO_CFLAGS)
+valgrind_CFLAGS    = $(AM_CFLAGS_PRI) $(LTO_CFLAGS) -fstack-protector-strong
 valgrind_CCASFLAGS = $(AM_CCASFLAGS_PRI)
 valgrind_LDFLAGS   = $(AM_CFLAGS_PRI) @LIB_UBSAN@
 # If there is no secondary platform, and the platforms include x86-darwin,
@@ -94,7 +94,7 @@ vgdb_SOURCES += vgdb-invoker-solaris.c
 endif
 
 vgdb_CPPFLAGS  = $(AM_CPPFLAGS_PRI)
-vgdb_CFLAGS    = $(AM_CFLAGS_PRI) $(LTO_CFLAGS)
+vgdb_CFLAGS    = $(AM_CFLAGS_PRI) $(LTO_CFLAGS) -fstack-protector-strong
 vgdb_CCASFLAGS = $(AM_CCASFLAGS_PRI)
 vgdb_LDFLAGS   = $(AM_CFLAGS_PRI) @LIB_UBSAN@
 if VGCONF_PLATVARIANT_IS_ANDROID