Fix

Author: Cuda-Chen

Makefile

@@ -59,19 +59,12 @@ ifneq ($(UNAME_S),$(filter $(UNAME_S),Linux Darwin))
     ENABLE_VIRTIOSND := 0
 endif
 
-ENABLE_PULSEAUDIO ?= 1
 ifeq ($(UNAME_S),Linux)
     # Check ALSA installation
     ifeq (0, $(call check-alsa))
         $(warning No libasound installed. Check libasound in advance.)
         ENABLE_VIRTIOSND := 0
     endif
-
-    # Check PulseAudio installation
-    ifeq (0, $(call check-pa))
-        $(warning No PulseAudio installed.)
-        ENABLE_PULSEAUDIO := 0
-    endif
 endif
 ifeq ($(UNAME_S),Darwin)
     ifeq (0, $(call check-ca))
@@ -88,7 +81,8 @@ ifeq ($(call has, VIRTIOSND), 1)
 
     ifeq ($(UNAME_S),Linux)
         LDFLAGS += -lasound -lrt
-        ifeq (1, $(ENABLE_PULSEAUDIO))
+        # Check PulseAudio installation
+        ifeq (1, $(call check-pa))
             LDFLAGS += -lpulse
         endif
     endif

mk/check-libs.mk

@@ -42,7 +42,7 @@ endef
 # Check PulseAudio installation
 define check-pa
 $(shell $(call create-pa-prog) | $(CC) -x c -lpulse -o /dev/null > /dev/null 2> /dev/null - 
-	&& echo $$?)
+	&& echo 0 || echo 1)
 endef
 
 # Check CoreAudio installation