Remove forced SONAME so it does not disagree with lib file name.
Also remove useless symlinks for the shared lib and fix the substitutions on
the pkg-config file

Index: Makefile
--- Makefile.orig
+++ Makefile
@@ -34,8 +34,8 @@ ifeq ($(shell uname),Darwin)
 else
 	SOEXT = so
 	SOEXTVER_MAJOR = so.$(SONAME_MAJOR)
-	SOEXTVER = so.$(SONAME_MAJOR).$(SONAME_MINOR)
-	LINKSHARED += -shared -Wl,-soname,libtree-sitter.so.$(SONAME_MAJOR)
+	SOEXTVER = so.${LIBtree-sitter_VERSION}
+	LINKSHARED += -shared
 endif
 ifneq (,$(filter $(shell uname),FreeBSD NetBSD DragonFly))
 	PCLIBDIR := $(PREFIX)/libdata/pkgconfig
@@ -48,21 +48,16 @@ libtree-sitter.a: $(OBJ)
 
 libtree-sitter.$(SOEXTVER): $(OBJ)
 	$(CC) $(LDFLAGS) $(LINKSHARED) $^ $(LDLIBS) -o $@
-	ln -sf $@ libtree-sitter.$(SOEXT)
-	ln -sf $@ libtree-sitter.$(SOEXTVER_MAJOR)
 
 install: all
 	install -d '$(DESTDIR)$(LIBDIR)'
 	install -m755 libtree-sitter.a '$(DESTDIR)$(LIBDIR)'/libtree-sitter.a
 	install -m755 libtree-sitter.$(SOEXTVER) '$(DESTDIR)$(LIBDIR)'/libtree-sitter.$(SOEXTVER)
-	ln -sf libtree-sitter.$(SOEXTVER) '$(DESTDIR)$(LIBDIR)'/libtree-sitter.$(SOEXTVER_MAJOR)
-	ln -sf libtree-sitter.$(SOEXTVER) '$(DESTDIR)$(LIBDIR)'/libtree-sitter.$(SOEXT)
 	install -d '$(DESTDIR)$(INCLUDEDIR)'/tree_sitter
 	install -m644 lib/include/tree_sitter/*.h '$(DESTDIR)$(INCLUDEDIR)'/tree_sitter/
 	install -d '$(DESTDIR)$(PCLIBDIR)'
 	sed -e 's|@LIBDIR@|$(LIBDIR)|;s|@INCLUDEDIR@|$(INCLUDEDIR)|;s|@VERSION@|$(VERSION)|' \
-	    -e 's|=$(PREFIX)|=$${prefix}|' \
-	    -e 's|@PREFIX@|$(PREFIX)|' \
+	    -e 's|@PREFIX@|$(LOCALBASE)|' \
 	    tree-sitter.pc.in > '$(DESTDIR)$(PCLIBDIR)'/tree-sitter.pc
 
 clean: