$NetBSD: patch-GNUmakefile,v 1.3 2022/04/25 23:22:58 tnn Exp $

* Build dynamic library, from archlinux.

--- GNUmakefile.orig	2021-01-21 04:50:09.000000000 +0000
+++ GNUmakefile
@@ -162,10 +162,10 @@ C_OTHER_OBJECTS = $(C_OTHER_SOURCES:.c=.
 JAVA_CLASSES = $(JAVA_SOURCES:.java=.class)
 JAVA_RUNTIME_CLASSES=$(JAVARUNTIME_SOURCES:.java=.class)
 
-CFLAGS=-O2 -W -Wall -Wmissing-prototypes -Wmissing-declarations
-CPPFLAGS=-Iinclude
+CFLAGS+=-fPIC -O2 -W -Wall -Wmissing-prototypes -Wmissing-declarations
+CPPFLAGS+=-Iinclude
 
-all: snowball libstemmer.o stemwords $(C_OTHER_SOURCES) $(C_OTHER_HEADERS) $(C_OTHER_OBJECTS)
+all: snowball libstemmer.o libstemmer.so stemwords $(C_OTHER_SOURCES) $(C_OTHER_HEADERS) $(C_OTHER_OBJECTS)
 
 clean:
 	rm -f $(COMPILER_OBJECTS) $(RUNTIME_OBJECTS) \
@@ -212,6 +212,9 @@ libstemmer/libstemmer.o: libstemmer/modu
 libstemmer.o: libstemmer/libstemmer.o $(RUNTIME_OBJECTS) $(C_LIB_OBJECTS)
 	$(AR) -cru $@ $^
 
+libstemmer.so: libstemmer/libstemmer.o $(RUNTIME_OBJECTS) $(C_LIB_OBJECTS)
+	$(CC) $(CFLAGS) -shared $(LDFLAGS) -Wl,-soname,libstemmer.so.0 -Wl,--version-script=libstemmer/symbol.map -o $@.0.0.0 $^
+
 stemwords: $(STEMWORDS_OBJECTS) libstemmer.o
 	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^