diff options
author | Ben Hutchings <ben@decadent.org.uk> | 2016-11-03 13:31:44 -0600 |
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committer | Ben Hutchings <ben@decadent.org.uk> | 2016-11-03 13:32:07 -0600 |
commit | 586b6ef20b51f842fa2e5b98a662f01f2ce16103 (patch) | |
tree | b6a4d447b887c8f7f504450b3e684b55915467c5 | |
parent | c6318ee2ee5de97d76a81c43e36ca85bba2c4974 (diff) |
kbuild: add -fno-PIE (Closes: #841368)
-rw-r--r-- | debian/changelog | 1 | ||||
-rw-r--r-- | debian/patches/bugfix/all/kbuild-add-fno-pie.patch | 37 | ||||
-rw-r--r-- | debian/patches/series | 1 |
3 files changed, 39 insertions, 0 deletions
diff --git a/debian/changelog b/debian/changelog index cdfe59566..07c985986 100644 --- a/debian/changelog +++ b/debian/changelog @@ -4,6 +4,7 @@ linux (4.9~rc3-1~exp1) UNRELEASED; urgency=medium [ Ben Hutchings ] * [rt] Disable until it is updated for 4.9 or later + * kbuild: add -fno-PIE (Closes: #841368) -- Ben Hutchings <ben@decadent.org.uk> Sat, 29 Oct 2016 00:08:55 +0100 diff --git a/debian/patches/bugfix/all/kbuild-add-fno-pie.patch b/debian/patches/bugfix/all/kbuild-add-fno-pie.patch new file mode 100644 index 000000000..b284510ba --- /dev/null +++ b/debian/patches/bugfix/all/kbuild-add-fno-pie.patch @@ -0,0 +1,37 @@ +From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +Date: Wed, 2 Nov 2016 18:20:58 +0100 +Subject: kbuild: add -fno-PIE +Origin: https://www.spinics.net/lists/linux-kbuild/msg13608.html +Bug-Debian: https://bugs.debian.org/841368 + +Debian started to build the gcc with -fPIE by default so the kernel +build ends before it starts properly with: +|kernel/bounds.c:1:0: error: code model kernel does not support PIC mode + +Also add to KBUILD_AFLAGSi due to: + +|gcc -Wp,-MD,arch/x86/entry/vdso/vdso32/.note.o.d … -mfentry -DCC_USING_FENTRY … vdso/vdso32/note.S +|arch/x86/entry/vdso/vdso32/note.S:1:0: sorry, unimplemented: -mfentry isn’t supported for 32-bit in c ombination with -fpic + +Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +--- + Makefile | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/Makefile ++++ b/Makefile +@@ -400,12 +400,12 @@ KBUILD_CPPFLAGS := -D__KERNEL__ + KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ + -fno-strict-aliasing -fno-common \ + -Werror-implicit-function-declaration \ +- -Wno-format-security \ ++ -Wno-format-security -fno-PIE \ + -std=gnu89 + + KBUILD_AFLAGS_KERNEL := + KBUILD_CFLAGS_KERNEL := +-KBUILD_AFLAGS := -D__ASSEMBLY__ ++KBUILD_AFLAGS := -D__ASSEMBLY__ -fno-PIE + KBUILD_AFLAGS_MODULE := -DMODULE + KBUILD_CFLAGS_MODULE := -DMODULE + KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds diff --git a/debian/patches/series b/debian/patches/series index 8d78ed427..c5d0919e8 100644 --- a/debian/patches/series +++ b/debian/patches/series @@ -63,6 +63,7 @@ bugfix/all/kbuild-do-not-use-hyphen-in-exported-variable-name.patch bugfix/all/ext4-fix-bug-838544.patch bugfix/all/mm-memcontrol-use-special-workqueue-for-creating-per-memcg-caches.patch bugfix/all/netfilter-xt_nflog-fix-unexpected-truncated-packet.patch +bugfix/all/kbuild-add-fno-pie.patch # Miscellaneous features |