dev-libs/snowball-stemmer: add 2.1.0

This version bump reworks the original ebuild, with following list of
changes:
- use EAPI 8
- append github to HOMEPAGE
- change DESCRIPTION to one used in github
- change license to BSD, this one is used in upstream
- use new shared library patch based on alpinelinux patch
- enable testing

Closes: https://bugs.gentoo.org/719402
Signed-off-by: Petr Vaněk <arkamar@atlas.cz>
Signed-off-by: Hans de Graaff <graaff@gentoo.org>

1 files changed, 58 insertions, 0 deletions

diff --git a/dev-libs/snowball-stemmer/files/snowball-stemmer-2.1.0-shared-library.patch b/dev-libs/snowball-stemmer/files/snowball-stemmer-2.1.0-shared-library.patch
new file mode 100644
index 000000000000..20c7a386b430
--- /dev/null
+++ b/dev-libs/snowball-stemmer/files/snowball-stemmer-2.1.0-shared-library.patch
@@ -0,0 +1,58 @@
+This is based on a patch taken from alpinelinux, however, duplicated
+libstemmer.o and stemwords targets were removed.
+
+Created shared library contains a lot of relocations, which slow down loading.
+It is known issue and probably the main reason why upstream does not support
+shared library yet [1].
+
+[1] https://github.com/snowballstem/snowball/issues/34#issuecomment-203200078
+
+Alpinelinux-patch: https://git.alpinelinux.org/aports/tree/community/snowball/libstemmer-library.patch?id=28f9d9e192876c43fd96bc5856cd9d8a50dd49c0
+Upstream-issue: https://github.com/snowballstem/snowball/issues/34
+
+diff --git a/GNUmakefile b/GNUmakefile
+index 5cb2179..d1ef193 100644
+--- a/GNUmakefile
++++ b/GNUmakefile
+@@ -3,6 +3,7 @@
+ # After changing this, run `make update_version` to update various sources
+ # which hard-code it.
+ SNOWBALL_VERSION = 2.1.0
++MAJOR_VERSION := $(shell echo $(SNOWBALL_VERSION) | cut -d. -f1)
+ 
+ c_src_dir = src_c
+ 
+@@ -162,10 +163,18 @@ C_OTHER_OBJECTS = $(C_OTHER_SOURCES:.c=.o)
+ 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 -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 libstemmer.a stemwords $(C_OTHER_SOURCES) $(C_OTHER_HEADERS) $(C_OTHER_OBJECTS)
++
++libstemmer.so: libstemmer/libstemmer.o $(RUNTIME_OBJECTS) $(C_LIB_OBJECTS)
++	$(CC) $(CFLAGS) -shared $(LDFLAGS) -Wl,-soname,$@.$(MAJOR_VERSION),-version-script,libstemmer/symbol.map -o $@.$(SNOWBALL_VERSION) $^
++	ln -s $@.$(SNOWBALL_VERSION) $@.$(MAJOR_VERSION)
++	ln -s $@.$(SNOWBALL_VERSION) $@
++
++libstemmer.a: libstemmer.o
++	$(AR) -crs $@ $^
+ 
+ clean:
+ 	rm -f $(COMPILER_OBJECTS) $(RUNTIME_OBJECTS) \
+diff --git a/libstemmer/symbol.map b/libstemmer/symbol.map
+new file mode 100644
+index 0000000..7a3d423
+--- /dev/null
++++ b/libstemmer/symbol.map
+@@ -0,0 +1,6 @@
++SB_STEMMER_0 {
++    global:
++        sb_stemmer_*;
++    local:
++        *;
++};