--- mp3info-0.8.5a/Makefile.orig	2021-01-19 09:41:28.940966500 +0100
+++ mp3info-0.8.5a/Makefile	2021-01-19 10:04:44.221242200 +0100
@@ -28,9 +28,12 @@
 # bindir = where binaries get installed (default = /usr/local/bin)
 # mandir = where the manual page gets installed (default = /usr/local/man/man1)
 
-prefix=/usr/local
+prefix=$(DESTDIR)/usr
+
 bindir=${prefix}/bin
-mandir = $(prefix)/man/man1
+sharedir=$(prefix)/share/
+mandir=$(sharedir)/man/man1
+docdir=$(sharedir)/doc/Cygwin
 
 # No changes necessary below this line
 
@@ -40,16 +43,16 @@
 XSRC =	gmp3info.c
 XOBJ =  mp3tech.o
 RM = /bin/rm
-INSTALL = /usr/bin/install -c
+INSTALL = /usr/bin/install -D
 STRIP = strip
 
 LIBS = -lncurses
 CC = gcc
-CFLAGS = -g -O2 -Wall
+CFLAGS = -O4 -march=native -Wall
 
 all: mp3info gmp3info doc
 
-doc: mp3info.txt
+doc: mp3info.txt CYGWIN-PATCHES/mp3info.README
 
 mp3info: $(OBJS)
 	$(CC) $(CFLAGS) -o $@ $(OBJS) $(LIBS)
@@ -72,6 +75,7 @@
 	$(STRIP) mp3info
 	$(INSTALL) mp3info $(bindir)/mp3info
 	$(INSTALL) mp3info.1 $(mandir)/mp3info.1
+	$(INSTALL) CYGWIN-PATCHES/mp3info.README $(docdir)/mp3info.README
 
 install-gmp3info: gmp3info
 	$(STRIP) gmp3info
@@ -84,4 +88,4 @@
 	rm -f $(bindir)/mp3info
 	rm -f $(bindir)/gmp3info
 	rm -f $(mandir)/mp3info.1
-
+	rm -f $(docdir)/mp3info.README
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