| # SPDX-License-Identifier: GPL-2.0 | 
 | # | 
 | ifneq ($(shell pkg-config --exists alsa && echo 0 || echo 1),0) | 
 | $(error Package alsa not found, please install alsa development package or \ | 
 | 	add directory containing `alsa.pc` in PKG_CONFIG_PATH) | 
 | endif | 
 |  | 
 | CFLAGS += $(shell pkg-config --cflags alsa) $(KHDR_INCLUDES) | 
 | LDLIBS += $(shell pkg-config --libs alsa) | 
 | ifeq ($(LDLIBS),) | 
 | LDLIBS += -lasound | 
 | endif | 
 | CFLAGS += -L$(OUTPUT) -Wl,-rpath=./ | 
 |  | 
 | LDLIBS+=-lpthread | 
 |  | 
 | OVERRIDE_TARGETS = 1 | 
 |  | 
 | TEST_GEN_PROGS := mixer-test pcm-test test-pcmtest-driver utimer-test | 
 |  | 
 | TEST_GEN_PROGS_EXTENDED := libatest.so global-timer | 
 |  | 
 | TEST_FILES := conf.d pcm-test.conf | 
 |  | 
 | include ../lib.mk | 
 |  | 
 | $(OUTPUT)/libatest.so: conf.c alsa-local.h | 
 | 	$(CC) $(CFLAGS) -shared -fPIC $< $(LDLIBS) -o $@ | 
 |  | 
 | $(OUTPUT)/%: %.c $(OUTPUT)/libatest.so alsa-local.h | 
 | 	$(CC) $(CFLAGS) $< $(LDLIBS) -latest -o $@ |