M Makefile → Makefile

@@ -5,6 +5,9 @@ 
 SOURCES = xyw.c xywasm.c xywrun.c devices/system.c devices/terminal.c devices/clock.c devices/file.c devices/beeper.c
 OBJS = xyw.o xywasm.o xywrun.o devices/system.o devices/terminal.o devices/clock.o devices/file.o devices/beeper.o
 
+UNAME_S := $(shell uname -s)
+HAVE_ALSA := $(shell echo '\#include <alsa/asoundlib.h>' | $(CC) -E - >/dev/null 2>&1 && echo 1)
+
 # beeper.c picks its audio backend at compile time via #ifdef, so the only
 # thing the Makefile needs to do is link the matching system library.
 ifeq ($(OS),Windows_NT)
@@ -12,14 +15,9 @@ BIN := xyw.exe
     LDFLAGS += -lwinmm
 else ifeq ($(UNAME_S),Darwin)
     LDFLAGS += -framework AudioToolbox -framework CoreFoundation
-else ifeq ($(UNAME_S),Linux)
+else ifeq ($(HAVE_ALSA),1)
     # Only link -lasound if the ALSA headers are actually installed
-    # (libasound2-dev). Mirrors the __has_include check in beeper.c, which
-    # falls back to the OSS backend when they're missing.
-    HAVE_ALSA := $(shell echo '\#include <alsa/asoundlib.h>' | $(CC) -E - >/dev/null 2>&1 && echo 1)
-    ifeq ($(HAVE_ALSA),1)
-        LDFLAGS += -lasound
-    endif
+    LDFLAGS += -lasound
 	# Fallback to libossaudio
 else ifeq ($(HAVE_OSSAUDIO),1)
     LDLIBS += -lossaudio