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build: Set nasm as the default when using std makefile

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Also test the assembler for modern instruction support and set appropriate
defines.

Change-Id: I1628abd50b3babeeb7e010b86bda7ea97de0e6fb
Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
This commit is contained in:
Greg Tucker 2019-07-16 15:47:20 -07:00
parent 4ac0e435eb
commit 38f4880a4e
1 changed files with 9 additions and 1 deletions
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10
make.inc
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@ -44,7 +44,7 @@ host_cpu ?= $(shell uname -m | sed -e 's/amd/x86_/')
arch ?= $(shell uname | grep -v -e Linux -e BSD )
CC = gcc
AS = yasm
AS = nasm
AWK = awk
DEBUG = -g
@ -76,6 +76,7 @@ LDFLAGS_so = -Wl,-soname,$(soname)
ifeq ($(arch),mingw)
CC=x86_64-w64-mingw32-gcc
AR=x86_64-w64-mingw32-ar
AS=yasm
LDFLAGS += -Wl,--force-exe-suffix
SIM=wine
EXT=.exe
@ -145,6 +146,13 @@ $(all_llvm_fuzz_tests): CXXFLAGS += -fsanitize-coverage=trace-pc-guard -fsanitiz
$(all_llvm_fuzz_tests): % : %.o $(lib_name)
$(CXX) $(CXXFLAGS) $^ $(LDLIBS) $(FUZZLINK) -o $@
# Check for modern as
tmpfile := $(shell mktemp)
have_as_w_avx512 ?= $(shell printf "vinserti32x8 zmm0, ymm1, 1;" > ${tmpfile} && $(AS) $(ASFLAGS) ${tmpfile} -o /dev/null 2> /dev/null && echo y; rm ${tmpfile})
D_HAVE_AS_KNOWS_AVX512_$(have_as_w_avx512) := -DHAVE_AS_KNOWS_AVX512
CFLAGS += $(D_HAVE_AS_KNOWS_AVX512_y)
ASFLAGS += $(D_HAVE_AS_KNOWS_AVX512_y)
# Check for pthreads
have_threads ?= $(shell printf "\#include <pthread.h>\nint main(void){return 0;}\n" | $(CC) -x c - -o /dev/null -lpthread && echo y )
THREAD_LD_$(have_threads) := -lpthread