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| author | Florian Weimer <fweimer@redhat.com> | 2018-07-05 22:57:45 +0200 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2018-07-05 22:57:45 +0200 |
| commit | 3a885c1f51b18852869a91cf59a1b39da1595c7a (patch) | |
| tree | c6c2fd735a84b57ffe7d3496e7d7d03d946694d7 /csu | |
| parent | 38cade0c461e58770749d7e8973f85c79532838a (diff) | |
Build csu/elf-init.c and csu/static-reloc.c with stack protector
This does not change generated code (with -fstack-protector-strong), but
is important for formal compiler flags compliance.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'csu')
| -rw-r--r-- | csu/Makefile | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/csu/Makefile b/csu/Makefile index f3498960f8..88fc77662e 100644 --- a/csu/Makefile +++ b/csu/Makefile @@ -50,6 +50,22 @@ CFLAGS-.o += $(no-stack-protector) CFLAGS-.op += $(no-stack-protector) CFLAGS-.os += $(no-stack-protector) +# Dummy object not actually used for anything. It is linked into +# crt1.o nevertheless, which in turn is statically linked into +# applications, so that build flags matter. +# See <https://sourceware.org/ml/libc-alpha/2018-07/msg00101.html>. +# NB: Using $(stack-protector) in this way causes a wrong definition +# STACK_PROTECTOR_LEVEL due to the preceding $(no-stack-protector), +# but it does not matter for this source file. +CFLAGS-static-reloc.os += $(stack-protector) + +# This file is not actually part of the startup code in the nonshared +# case and statically linked into applications. See +# <https://sourceware.org/bugzilla/show_bug.cgi?id=23323>, +# <https://sourceware.org/ml/libc-alpha/2018-06/msg00717.html>. +# Also see the note above regarding STACK_PROTECTOR_LEVEL. +CFLAGS-elf-init.oS += $(stack-protector) + ifeq (yes,$(build-shared)) extra-objs += S$(start-installed-name) gmon-start.os ifneq ($(start-installed-name),$(static-start-installed-name)) |