From d30580c14316885e30e0de6a2c365f5623c2dc7f Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Sun, 21 Feb 2021 16:24:55 +0100
Subject: Separate libfft0 from libfft-dev

---
 Makefile | 29 +++++++++++++++++++++++++----
 1 file changed, 25 insertions(+), 4 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index bba1d16..c414123 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ CXXFLAGS=-O2 -DNDEBUG
 endif
 CXXFLAGS+=-stdlib=libc++
 CXXFLAGS+=-Wall
-CXXFLAGS+=-std=c++17 -fexceptions -Iexternal
+CXXFLAGS+=-std=c++17 -fexceptions -Iexternal -fPIC
 #-march=native -mtune=native # is not better for llvm
 CC=clang
 CFLAGS=-Wall -O2 -Iexternal
@@ -22,7 +22,21 @@ CFLAGS=-Wall -O2 -Iexternal
 DESTDIR=/
 PREFIX=/usr/bin
 
-all: tunerdemo testsuite
+SONAME1=libfft.so
+SONAME2=libfft.so.0
+SONAME3=libfft.so.0.0.0
+
+all: staticlib sharedlib tunerdemo testsuite
+
+staticlib: fft.a
+
+fft.a: fft.o util.o
+	ar rcs $@ $^
+
+sharedlib: $(SONAME3)
+
+$(SONAME3): fft.o util.o
+	$(CXX) $(CXXFLAGS) -shared -Wl,-soname,$(SONAME2) -o $@ $^
 
 tunerdemo: audioio.o external/pa_ringbuffer.o util.o fft.o autocorrelation.o tuner.o tunerdemo.o
 	$(CXX) $(CXXFLAGS) $(PORTAUDIOLIBS) -o $@ $^
@@ -62,8 +76,15 @@ install:
 	install tunerdemo $(DESTDIR)/$(PREFIX)/tunerdemo
 	mkdir -p $(DESTDIR)/usr/include
 	install fft.h $(DESTDIR)/usr/include/fft.h
+	mkdir -p $(DESTDIR)/usr/lib
+	install $(SONAME3) $(DESTDIR)/usr/lib/$(SONAME3)
+	ln -sf $(SONAME3) $(DESTDIR)/usr/lib/$(SONAME2)
+	ln -sf $(SONAME2) $(DESTDIR)/usr/lib/$(SONAME1)
+
+deb:
+	dpkg-buildpackage -us -uc
 
 clean:
-	rm -f tunerdemo testsuite *.o external/*.o
+	rm -f tunerdemo testsuite *.o external/*.o $(SONAME1) $(SONAME2) $(SONAME3) *.a
 
-.PHONY: clean install all test
+.PHONY: clean install all test staticlib sharedlib
-- 
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