Description: Build libstemmer as a shared library.
Author: Stefano Rivera <stefanor@debian.org>
Forwarded: http://news.gmane.org/find-root.php?message_id=%3c20110821220427.GC1738%40bach.rivera.co.za%3e
Last-Update: 2019-10-17

Index: snowball-2.2.0/GNUmakefile
===================================================================
--- snowball-2.2.0.orig/GNUmakefile
+++ snowball-2.2.0/GNUmakefile
@@ -175,7 +175,7 @@ ovveride_CPPFLAGS +=
 
 INCLUDES=-Iinclude
 
-all: snowball$(EXEEXT) libstemmer.a stemwords$(EXEEXT) $(C_OTHER_SOURCES) $(C_OTHER_HEADERS) $(C_OTHER_OBJECTS)
+all: snowball$(EXEEXT) libstemmer.so stemwords$(EXEEXT) $(C_OTHER_SOURCES) $(C_OTHER_HEADERS) $(C_OTHER_OBJECTS)
 
 algorithms.mk: libstemmer/mkalgorithms.pl libstemmer/modules.txt
 	libstemmer/mkalgorithms.pl algorithms.mk libstemmer/modules.txt
@@ -183,7 +183,7 @@ algorithms.mk: libstemmer/mkalgorithms.p
 clean:
 	rm -f $(COMPILER_OBJECTS) $(RUNTIME_OBJECTS) \
 	      $(LIBSTEMMER_OBJECTS) $(LIBSTEMMER_UTF8_OBJECTS) $(STEMWORDS_OBJECTS) snowball$(EXEEXT) \
-	      libstemmer.a stemwords$(EXEEXT) \
+	      $(wildcard libstemmer.so*) libstemmer.a stemwords$(EXEEXT) \
               libstemmer/modules.h \
               libstemmer/modules_utf8.h \
 	      $(C_LIB_SOURCES) $(C_LIB_HEADERS) $(C_LIB_OBJECTS) \
@@ -198,7 +198,7 @@ clean:
               libstemmer/mkinc.mak libstemmer/mkinc_utf8.mak \
               libstemmer/libstemmer.c libstemmer/libstemmer_utf8.c \
 	      algorithms.mk
-	rm -rf dist
+	rm -rf dist .shared
 	-rmdir $(c_src_dir)
 	-rmdir $(python_output_dir)
 	-rmdir $(js_output_dir)
@@ -222,14 +222,19 @@ libstemmer/modules_utf8.h libstemmer/mki
 
 libstemmer/libstemmer.o: libstemmer/modules.h $(C_LIB_HEADERS)
 
-libstemmer.a: libstemmer/libstemmer.o $(RUNTIME_OBJECTS) $(C_LIB_OBJECTS)
-	$(AR) -cru $@ $^
+libstemmer.so: libstemmer/libstemmer.o $(RUNTIME_OBJECTS) $(C_LIB_OBJECTS)
+	$(CC) -shared $(LDFLAGS) \
+		-Wl,--version-script=${RPM_SOURCE_DIR}/libstemmer.ver,-soname,libstemmer.so.1d \
+		-o $@.1d.0.0 ${^:%=.shared/%}
+	ln -s $@.1d.0.0 $@.1d
+	ln -s $@.1d.0.0 $@
+	$(AR) -crs ${@:.so=.a} $^
 
 examples/%.o: examples/%.c
 	$(CC) $(CFLAGS) $(INCLUDES) $(CPPFLAGS) -c -o $@ $<
 
-stemwords$(EXEEXT): $(STEMWORDS_OBJECTS) libstemmer.a
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^
+stemwords$(EXEEXT): $(STEMWORDS_OBJECTS) libstemmer.so
+	$(CC) $(CFLAGS) $(LDFLAGS)  -g -o $@ $(STEMWORDS_OBJECTS) -L. -lstemmer
 
 tests/%.o: tests/%.c
 	$(CC) $(CFLAGS) $(INCLUDES) $(CPPFLAGS) -c -o $@ $<
@@ -275,7 +280,6 @@ $(c_src_dir)/stem_ISO_8859_2_%.c $(c_src
 	./snowball charsets/ISO-8859-2.sbl $< -o $${o} -eprefix $${l}_ISO_8859_2_ -r ../runtime
 
 $(c_src_dir)/stem_%.o: $(c_src_dir)/stem_%.c $(c_src_dir)/stem_%.h
-	$(CC) $(CFLAGS) $(INCLUDES) $(CPPFLAGS) -c -o $@ $<
 
 $(java_src_dir)/%Stemmer.java: algorithms/%.sbl snowball$(EXEEXT)
 	@mkdir -p $(java_src_dir)
@@ -520,13 +524,14 @@ check_koi8r: $(KOI8_R_algorithms:%=check
 # a sibling to this one.
 STEMMING_DATA ?= ../snowball-data
 STEMMING_DATA_ABS := $(abspath $(STEMMING_DATA))
+STEMWORDS=LD_LIBRARY_PATH=.:$(LD_LIBRARY_PATH) ./stemwords$(EXEEXT)
 
 check_utf8_%: $(STEMMING_DATA)/% stemwords$(EXEEXT)
 	@echo "Checking output of `echo $<|sed 's!.*/!!'` stemmer with UTF-8"
 	@if test -f '$</voc.txt.gz' ; then \
-	  gzip -dc '$</voc.txt.gz'|./stemwords$(EXEEXT) -c UTF_8 -l `echo $<|sed 's!.*/!!'` -o tmp.txt; \
+	  gzip -dc '$</voc.txt.gz'|$(STEMWORDS) -c UTF_8 -l `echo $<|sed 's!.*/!!'` -o tmp.txt; \
 	else \
-	  ./stemwords$(EXEEXT) -c UTF_8 -l `echo $<|sed 's!.*/!!'` -i $</voc.txt -o tmp.txt; \
+	  $(STEMWORD) -c UTF_8 -l `echo $<|sed 's!.*/!!'` -i $</voc.txt -o tmp.txt; \
 	fi
 	@if test -f '$</output.txt.gz' ; then \
 	  gzip -dc '$</output.txt.gz'|$(DIFF) -u - tmp.txt; \
@@ -538,7 +543,7 @@ check_utf8_%: $(STEMMING_DATA)/% stemwor
 check_iso_8859_1_%: $(STEMMING_DATA)/% stemwords$(EXEEXT)
 	@echo "Checking output of `echo $<|sed 's!.*/!!'` stemmer with ISO_8859_1"
 	@$(ICONV) -f UTF-8 -t ISO-8859-1 '$</voc.txt' |\
-	    ./stemwords -c ISO_8859_1 -l `echo $<|sed 's!.*/!!'` -o tmp.txt
+	    $(STEMWORDS) -c ISO_8859_1 -l `echo $<|sed 's!.*/!!'` -o tmp.txt
 	@$(ICONV) -f UTF-8 -t ISO-8859-1 '$</output.txt' |\
 	    $(DIFF) -u - tmp.txt
 	@rm tmp.txt
@@ -546,7 +551,7 @@ check_iso_8859_1_%: $(STEMMING_DATA)/% s
 check_iso_8859_2_%: $(STEMMING_DATA)/% stemwords$(EXEEXT)
 	@echo "Checking output of `echo $<|sed 's!.*/!!'` stemmer with ISO_8859_2"
 	@$(ICONV) -f UTF-8 -t ISO-8859-2 '$</voc.txt' |\
-	    ./stemwords -c ISO_8859_2 -l `echo $<|sed 's!.*/!!'` -o tmp.txt
+	    $(STEMWORDS) -c ISO_8859_2 -l `echo $<|sed 's!.*/!!'` -o tmp.txt
 	@$(ICONV) -f UTF-8 -t ISO-8859-2 '$</output.txt' |\
 	    $(DIFF) -u - tmp.txt
 	@rm tmp.txt
@@ -554,7 +559,7 @@ check_iso_8859_2_%: $(STEMMING_DATA)/% s
 check_koi8r_%: $(STEMMING_DATA)/% stemwords$(EXEEXT)
 	@echo "Checking output of `echo $<|sed 's!.*/!!'` stemmer with KOI8R"
 	@$(ICONV) -f UTF-8 -t KOI8-R '$</voc.txt' |\
-	    ./stemwords -c KOI8_R -l `echo $<|sed 's!.*/!!'` -o tmp.txt
+	    $(STEMWORDS) -c KOI8_R -l `echo $<|sed 's!.*/!!'` -o tmp.txt
 	@$(ICONV) -f UTF-8 -t KOI8-R '$</output.txt' |\
 	    $(DIFF) -u - tmp.txt
 	@rm tmp.txt
@@ -739,4 +744,9 @@ ada/bin/generate:
 ada/bin/stemwords: $(ADA_SOURCES)
 	cd ada && $(gprbuild) -Pstemwords -p
 
+%.o: %.c
+	@mkdir -p $(shell dirname ${@:%=.shared/%})
+	$(CC) $(CFLAGS) $(CPPFLAGS) -c -fPIC -o ${@:%=.shared/%} $<
+	$(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<
+
 .SUFFIXES: .class .java