tests/fate-run: New variable hostexecsuf for local fate tools.

Allows running fate in-tree on wsl with msvc.

tests/Makefile

@@ -232,6 +232,7 @@ FATE += $(FATE_HW-yes)
 
 $(FATE) $(FATE_TESTS-no): export PROGSUF = $(PROGSSUF)
 $(FATE) $(FATE_TESTS-no): export EXECSUF = $(EXESUF)
+$(FATE) $(FATE_TESTS-no): export HOSTEXECSUF = $(HOSTEXESUF)
 $(FATE) $(FATE_TESTS-no): $(FATE_UTILS:%=tests/%$(HOSTEXESUF)) | $(FATE_OUTDIRS)
 	@echo "TEST    $(@:fate-%=%)"
 	$(Q)$(SRC_PATH)/tests/fate-run.sh $@ "$(TARGET_SAMPLES)" "$(TARGET_EXEC)" "$(TARGET_PATH)" '$(CMD)' '$(CMP)' '$(REF)' '$(FUZZ)' '$(THREADS)' '$(THREAD_TYPE)' '$(CPUFLAGS)' '$(CMP_SHIFT)' '$(CMP_TARGET)' '$(SIZE_TOLERANCE)' '$(CMP_UNIT)' '$(GEN)' '$(HWACCEL)' '$(REPORT)' '$(KEEP)'

tests/fate-run.sh

@@ -5,7 +5,7 @@ export LC_ALL=C
 base=$(dirname $0)
 . "${base}/md5.sh"
 
-base64=tests/base64
+base64=tests/base64${HOSTEXECSUF}
 
 test="${1#fate-}"
 target_samples=$2
@@ -45,7 +45,7 @@ compare(){
 }
 
 do_tiny_psnr(){
-    psnr=$(tests/tiny_psnr "$1" "$2" $cmp_unit $cmp_shift 0) || return 1
+    psnr=$(tests/tiny_psnr${HOSTEXECSUF} "$1" "$2" $cmp_unit $cmp_shift 0) || return 1
     val=$(expr "$psnr" : ".*$3: *\([0-9.]*\)")
     size1=$(expr "$psnr" : '.*bytes: *\([0-9]*\)')
     size2=$(expr "$psnr" : '.*bytes:[ 0-9]*/ *\([0-9]*\)')
@@ -206,7 +206,7 @@ enc_dec(){
     ffmpeg $8 $DEC_OPTS -i $tencfile $ENC_OPTS $dec_opt $FLAGS \
         -f $dec_fmt -y $tdecfile || return
     do_md5sum $decfile
-    tests/tiny_psnr $srcfile $decfile $cmp_unit $cmp_shift
+    tests/tiny_psnr${HOSTEXECSUF} $srcfile $decfile $cmp_unit $cmp_shift
 }
 
 transcode(){
@@ -455,7 +455,7 @@ audio_match(){
     cleanfiles="$cleanfiles $decfile"
 
     ffmpeg -i "$sample" -bitexact $extra_args -y $decfile
-    tests/audiomatch $decfile $trefile
+    tests/audiomatch${HOSTEXECSUF} $decfile $trefile
 }
 
 concat(){