[Buildroot] [git commit] package/libnss: fix build failure on arm32 arch not armv7

Thomas Petazzoni thomas.petazzoni at bootlin.com
Sat Apr 4 20:58:01 UTC 2020


commit: https://git.buildroot.net/buildroot/commit/?id=f8a12bf80cba9fe6fe0e95c6003b4e2304d7589c
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

NSS assumes that every neon arm32 build is an armv7, but this is
not always true(i.e. build arm32 for armv8), so let's add a patch to
remove -march=armv7 flag when building gcm-arm32-neon.c

Fixes:
http://autobuild.buildroot.net/results/464/464044fda2850123339de6c8071374e380636ee0/

Signed-off-by: Giulio Benetti <giulio.benetti at benettiengineering.com>
Reviewed-by: Peter Seiderer <ps.report at gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
---
 ...-Don-t-force-ARMv7-for-gcm-arm32-neon-r-j.patch | 30 ++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/package/libnss/0002-Bug-1624864-Don-t-force-ARMv7-for-gcm-arm32-neon-r-j.patch b/package/libnss/0002-Bug-1624864-Don-t-force-ARMv7-for-gcm-arm32-neon-r-j.patch
new file mode 100644
index 0000000000..bfecbb2202
--- /dev/null
+++ b/package/libnss/0002-Bug-1624864-Don-t-force-ARMv7-for-gcm-arm32-neon-r-j.patch
@@ -0,0 +1,30 @@
+From ab8d2425728f37b1f21dbff712daf4a767c82149 Mon Sep 17 00:00:00 2001
+From: Giulio Benetti <giulio.benetti at benettiengineering.com>
+Date: Wed, 1 Apr 2020 09:41:08 -0700
+Subject: [PATCH] Bug 1624864 - Don't force ARMv7 for gcm-arm32-neon r=jcj
+
+--HG--
+extra : rebase_source : e046bbe45276b8cdf686c4f61006aff08865f1c0
+
+[Upstream: https://hg.mozilla.org/projects/nss/rev/8582092359720d052288cad2dc13f37aad783dc3]
+Signed-off-by: Giulio Benetti <giulio.benetti at benettiengineering.com>
+---
+ nss/lib/freebl/Makefile | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/nss/lib/freebl/Makefile b/nss/lib/freebl/Makefile
+index a03c0d108..898a0b9e0 100644
+--- a/nss/lib/freebl/Makefile
++++ b/nss/lib/freebl/Makefile
+@@ -781,7 +781,7 @@ ifeq ($(CPU_ARCH),arm)
+ USES_SOFTFLOAT_ABI := $(shell $(CC) -o - -E -dM - $(CFLAGS) < /dev/null | grep __SOFTFP__ > /dev/null && echo 1)
+ $(OBJDIR)/$(PROG_PREFIX)aes-armv8$(OBJ_SUFFIX): CFLAGS += -march=armv8-a -mfpu=crypto-neon-fp-armv8$(if $(USES_SOFTFLOAT_ABI), -mfloat-abi=softfp)
+ ifndef NSS_DISABLE_ARM32_NEON
+-$(OBJDIR)/$(PROG_PREFIX)gcm-arm32-neon$(OBJ_SUFFIX): CFLAGS += -march=armv7 -mfpu=neon$(if $(USES_SOFTFLOAT_ABI), -mfloat-abi=softfp)
++$(OBJDIR)/$(PROG_PREFIX)gcm-arm32-neon$(OBJ_SUFFIX): CFLAGS += -mfpu=neon$(if $(USES_SOFTFLOAT_ABI), -mfloat-abi=softfp)
+ endif
+ endif
+ ifeq ($(CPU_ARCH),aarch64)
+-- 
+2.20.1
+


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