60 lines
2.1 KiB
Diff
60 lines
2.1 KiB
Diff
This is based on a patch taken from alpinelinux, however, duplicated
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libstemmer.o and stemwords targets were removed and the patch was
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rebased on top of v2.2.0 tag.
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Created shared library contains a lot of relocations, which slow down loading.
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It is known issue and probably the main reason why upstream does not support
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shared library yet [1].
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[1] https://github.com/snowballstem/snowball/issues/34#issuecomment-203200078
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Alpinelinux-patch: https://git.alpinelinux.org/aports/tree/community/snowball/libstemmer-library.patch?id=28f9d9e192876c43fd96bc5856cd9d8a50dd49c0
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Upstream-issue: https://github.com/snowballstem/snowball/issues/34
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diff --git a/GNUmakefile b/GNUmakefile
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index 98eb1fa..9b539ec 100644
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--- a/GNUmakefile
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+++ b/GNUmakefile
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@@ -4,6 +4,8 @@
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# which hard-code it.
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SNOWBALL_VERSION = 2.2.0
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+MAJOR_VERSION := $(shell echo $(SNOWBALL_VERSION) | cut -d. -f1)
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+
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ifeq ($(OS),Windows_NT)
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EXEEXT = .exe
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endif
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@@ -170,12 +172,17 @@ C_OTHER_OBJECTS = $(C_OTHER_SOURCES:.c=.o)
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JAVA_CLASSES = $(JAVA_SOURCES:.java=.class)
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JAVA_RUNTIME_CLASSES=$(JAVARUNTIME_SOURCES:.java=.class)
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-CFLAGS=-O2 -W -Wall -Wmissing-prototypes -Wmissing-declarations
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-CPPFLAGS=
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+CFLAGS+=-fPIC -W -Wall -Wmissing-prototypes -Wmissing-declarations
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+CPPFLAGS+=
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INCLUDES=-Iinclude
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-all: snowball$(EXEEXT) libstemmer.a stemwords$(EXEEXT) $(C_OTHER_SOURCES) $(C_OTHER_HEADERS) $(C_OTHER_OBJECTS)
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+all: snowball$(EXEEXT) libstemmer.a libstemmer.so stemwords$(EXEEXT) $(C_OTHER_SOURCES) $(C_OTHER_HEADERS) $(C_OTHER_OBJECTS)
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+
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+libstemmer.so: libstemmer/libstemmer.o $(RUNTIME_OBJECTS) $(C_LIB_OBJECTS)
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+ $(CC) $(CFLAGS) -shared $(LDFLAGS) -Wl,-soname,$@.$(MAJOR_VERSION),-version-script,libstemmer/symbol.map -o $@.$(SNOWBALL_VERSION) $^
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+ ln -s $@.$(SNOWBALL_VERSION) $@.$(MAJOR_VERSION)
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+ ln -s $@.$(SNOWBALL_VERSION) $@
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algorithms.mk: libstemmer/mkalgorithms.pl libstemmer/modules.txt
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libstemmer/mkalgorithms.pl algorithms.mk libstemmer/modules.txt
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diff --git a/libstemmer/symbol.map b/libstemmer/symbol.map
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new file mode 100644
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index 0000000..7a3d423
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--- /dev/null
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+++ b/libstemmer/symbol.map
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@@ -0,0 +1,6 @@
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+SB_STEMMER_0 {
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+ global:
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+ sb_stemmer_*;
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+ local:
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+ *;
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+};
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