$NetBSD: patch-src_Makefile,v 1.2 2021/11/01 20:30:28 wiz Exp $

Libtool support.

--- src/Makefile.orig	2021-09-10 08:50:46.000000000 +0000
+++ src/Makefile
@@ -4,9 +4,9 @@
 #
 # Change these if you want to install somewhere else.
 
-INSTALL_PLUGINS_DIR	=	/usr/lib/ladspa/
-INSTALL_INCLUDE_DIR	=	/usr/include/
-INSTALL_BINARY_DIR	=	/usr/bin/
+INSTALL_PLUGINS_DIR	=	${PREFIX}/lib/ladspa/
+INSTALL_INCLUDE_DIR	=	${PREFIX}/include/
+INSTALL_BINARY_DIR	=	${PREFIX}/bin/
 
 ###############################################################################
 #
@@ -14,11 +14,11 @@ INSTALL_BINARY_DIR	=	/usr/bin/
 #
 
 INCLUDES	=	-I.
-LIBRARIES	=	-ldl -lm -lsndfile
-CFLAGS		=	$(INCLUDES) -Wall -Werror -O2 -fPIC 		\
+LIBRARIES	=	-lm -lsndfile
+CFLAGS		=	$(INCLUDES) -Wall -fPIC 		\
 			-DDEFAULT_LADSPA_PATH=$(INSTALL_PLUGINS_DIR)
 BINFLAGS	=	-fPIE -pie
-CXXFLAGS	=	$(CFLAGS)
+CXXFLAGS	+=	$(CFLAGS)
 PLUGINS		=	../plugins/amp.so				\
 			../plugins/delay.so				\
 			../plugins/filter.so				\
@@ -27,35 +27,19 @@ PLUGINS		=	../plugins/amp.so				\
 PROGRAMS	=	../bin/analyseplugin				\
 			../bin/applyplugin 				\
 			../bin/listplugins
-CC		=	cc
-CPP		=	c++
 
 ###############################################################################
 #
 # RULES TO BUILD PLUGINS FROM C OR C++ CODE
 #
 
-../plugins/%.so:	plugins/%.c ladspa.h gcc_exports.map
-	$(CC) $(CFLAGS) -o plugins/$*.o -c plugins/$*.c
-	$(CC)	-o ../plugins/$*.so					\
-		plugins/$*.o						\
-		-shared							\
-		$(CFLAGS)						\
-		-fvisibility=hidden					\
-		-fvisibility-inlines-hidden				\
-		-s							\
-		-Wl,--version-script=gcc_exports.map			
-
-../plugins/%.so:	plugins/%.cpp ladspa.h gcc_exports.map
-	$(CPP) $(CXXFLAGS) -o plugins/$*.o -c plugins/$*.cpp
-	$(CPP)	-o ../plugins/$*.so					\
-		plugins/$*.o						\
-		-shared							\
-		$(CXXFLAGS)						\
-		-fvisibility=hidden					\
-		-fvisibility-inlines-hidden				\
-		-s							\
-		-Wl,--version-script=gcc_exports.map			
+../plugins/%.so: plugins/%.c ladspa.h gcc_exports.map
+	${LIBTOOL} --tag=CC --mode=compile $(CC) $(CPPFLAGS) $(CFLAGS) -o plugins/$*.lo -c plugins/$*.c
+	${LIBTOOL} --tag=CC --mode=link $(CC) $(LDFLAGS) -o ../plugins/$*.la plugins/$*.lo -rpath $(INSTALL_PLUGINS_DIR) -module -avoid-version
+ 
+../plugins/%.so: plugins/%.cpp ladspa.h
+	${LIBTOOL} --tag=CXX --mode=compile $(CXX) $(CPPFLAGS) $(CXXFLAGS) -o plugins/$*.lo -c plugins/$*.cpp
+	${LIBTOOL} --tag=CXX --mode=link $(CXX) $(LDFLAGS) -o ../plugins/$*.la plugins/$*.lo -rpath $(INSTALL_PLUGINS_DIR) -module -avoid-version
 
 ###############################################################################
 #
@@ -84,19 +68,19 @@ install:	targets
 
 /tmp/test.wav:	targets ../snd/noise.wav
 	../bin/listplugins
-	../bin/analyseplugin ../plugins/filter.so
-	../bin/analyseplugin ../plugins/delay.so
-	../bin/analyseplugin ../plugins/sine.so
-	echo ; ../bin/analyseplugin -l ../plugins/sine.so ; echo
-	../bin/analyseplugin ../plugins/amp.so
-	../bin/analyseplugin ../plugins/noise.so
-	../bin/applyplugin	-s 1					\
-				../snd/noise.wav /tmp/test.wav		\
-				../plugins/filter.so lpf 500		\
-				../plugins/filter.so lpf 500		\
-				../plugins/sine.so sine_fcaa 6000	\
-				../plugins/delay.so delay_5s 1 0.1	\
-				../plugins/amp.so amp_mono 4		\
+	../bin/analyseplugin ../plugins/.libs/filter.so
+	../bin/analyseplugin ../plugins/.libs/delay.so
+	../bin/analyseplugin ../plugins/.libs/sine.so
+	echo ; ../bin/analyseplugin -l ../plugins/.libs/sine.so ; echo
+	../bin/analyseplugin ../plugins/.libs/amp.so
+	../bin/analyseplugin ../plugins/.libs/noise.so
+	../bin/applyplugin	-s 1						\
+				../snd/noise.wav /tmp/test.wav			\
+				../plugins/.libs/filter.so lpf 500		\
+				../plugins/.libs/filter.so lpf 500		\
+				../plugins/.libs/sine.so sine_fcaa 6000		\
+				../plugins/.libs/delay.so delay_5s 1 0.1	\
+				../plugins/.libs/amp.so amp_mono 4		\
 
 targets:	$(PLUGINS) $(PROGRAMS)
 
@@ -105,23 +89,32 @@ targets:	$(PLUGINS) $(PROGRAMS)
 # PROGRAMS
 #
 
-../bin/applyplugin:	applyplugin.o load.o default.o
-	$(CC) $(CFLAGS) $(BINFLAGS)					\
-		-o ../bin/applyplugin					\
-		applyplugin.o load.o default.o				\
-		$(LIBRARIES)
-
-../bin/analyseplugin:	analyseplugin.o load.o default.o
-	$(CC) $(CFLAGS) $(BINFLAGS)					\
-		-o ../bin/analyseplugin 				\
-		analyseplugin.o load.o default.o			\
-		$(LIBRARIES)
-
-../bin/listplugins:	listplugins.o search.o
-	$(CC) $(CFLAGS) $(BINFLAGS)					\
-		-o ../bin/listplugins	 				\
-		listplugins.o search.o					\
-		$(LIBRARIES)
+default.o:
+	${LIBTOOL} --tag=CC --mode=compile $(CC) $(CPPFLAGS) $(CFLAGS) -c default.c
+
+load.o:
+	${LIBTOOL} --tag=CC --mode=compile $(CC) $(CPPFLAGS) $(CFLAGS) -c load.c
+
+applyplugin.o:
+	${LIBTOOL} --tag=CC --mode=compile $(CC) $(CPPFLAGS) $(CFLAGS) -c applyplugin.c
+
+analyseplugin.o:
+	${LIBTOOL} --tag=CC --mode=compile $(CC) $(CPPFLAGS) $(CFLAGS) -c analyseplugin.c
+
+listplugins.o:
+	${LIBTOOL} --tag=CC --mode=compile $(CC) $(CPPFLAGS) $(CFLAGS) -c listplugins.c
+
+search.o:
+	${LIBTOOL} --tag=CC --mode=compile $(CC) $(CPPFLAGS) $(CFLAGS) -c search.c
+
+../bin/applyplugin: applyplugin.o load.o default.o
+	${LIBTOOL} --tag=CC --mode=link $(CC) $(LDFLAGS) -o $@ $(^:.o=.lo) $(LIBRARIES)                                   \
+
+../bin/analyseplugin: analyseplugin.o load.o default.o
+	${LIBTOOL} --tag=CC --mode=link $(CC) $(LDFLAGS) -o $@ $(^:.o=.lo) $(LIBRARIES)
+
+../bin/listplugins: listplugins.o search.o
+	${LIBTOOL} --tag=CC --mode=link $(CC) $(LDFLAGS) -o $@ $(^:.o=.lo) $(LIBRARIES)
 
 ###############################################################################
 #