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Fix zdtm with Ubuntu Bionic/arm/clang

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In Ubuntu Bionic for armhf, clang is compiled for armv8l rather than
armv7l (as it was and still is for gcc) and so it uses armv8 by default.

This breaks compilation of tests using smp_mb():

> error: instruction requires: data-barriers

The fix is to add "-march=armv7-a" to CFLAGS which we already do,
except not for the tests.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
This commit is contained in:
Kir Kolyshkin 2018-03-15 14:09:37 -07:00 committed by Andrei Vagin
parent bed49b39ea
commit 7953b4037e
1 changed files with 10 additions and 0 deletions
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10
test/zdtm/Makefile.inc
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@ -21,6 +21,16 @@ endif
SRCARCH ?= $(ARCH)
ifeq ($(ARCH),arm)
ARMV := $(shell echo $(UNAME-M) | sed -nr 's/armv([[:digit:]]).*/\1/p; t; i7')
ifeq ($(ARMV),6)
USERCFLAGS += -march=armv6
else ifeq ($(ARMV),7)
USERCFLAGS += -march=armv7-a
endif
endif
CC := gcc
CFLAGS += -g -O2 -Wall -Werror -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0
CFLAGS += $(USERCFLAGS)