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Description: add soname to linker call in Makefile
Upstream Makefile does not build a shared object with soname or version
number. This patch adds support for sonames, as well a symlink from
the .so to the .so.X file.
Author: Sascha Steinbiss <steinbiss@zbh.uni-hamburg.de>
--- a/Makefile
+++ b/Makefile
@@ -140,6 +140,7 @@
SHARED_OBJ_NAME_EXT:=.so
SHARED:=-shared
endif
+SONAME_VERSION:=.0
# compiled executables
GTMAIN_SRC:=src/gt.c src/gtr.c src/gtt.c src/interactive.c
@@ -644,8 +645,9 @@
$(V_ECHO) "[link $(@F)]"
$(V_DO)test -d $(@D) || mkdir -p $(@D)
$(V_DO)$(CC) $(EXP_LDFLAGS) $(VERSION_SCRIPT_PARAM) \
- $(GT_LDFLAGS) $(ADDITIONAL_SO_DEPS) $(SHARED) $(LIBGENOMETOOLS_OBJ) \
- -o $@ $(GTSHAREDLIB_LIBDEP)
+ $(GT_LDFLAGS) $(ADDITIONAL_SO_DEPS) $(SHARED) \
+ -Wl,-soname,$(notdir $@)$(SONAME_VERSION) $(LIBGENOMETOOLS_OBJ) \
+ -o $@$(SONAME_VERSION) $(GTSHAREDLIB_LIBDEP)
define PROGRAM_template
$(1): $(2) $(OVERRIDELIBS)
@@ -1015,7 +1017,8 @@
$(RANLIB) $(prefix)/lib/libgenometools.a
endif
ifneq ($(sharedlib),no)
- cp lib/libgenometools$(SHARED_OBJ_NAME_EXT) $(prefix)/lib
+ cp lib/libgenometools$(SHARED_OBJ_NAME_EXT)$(SONAME_VERSION) $(prefix)/lib
+ ln -fs $(prefix)/lib/libgenometools$(SHARED_OBJ_NAME_EXT)$(SONAME_VERSION) $(prefix)/lib/libgenometools$(SHARED_OBJ_NAME_EXT)
endif
$(V_ECHO) '[build config script $(@F)]'
sed -e 's!@CC@!$(CC)!' -e 's!@CFLAGS@!$(EXP_CFLAGS)!' \
--- a/gtpython/gt/dlload.py
+++ b/gtpython/gt/dlload.py
@@ -26,8 +26,12 @@
soext = ".dylib"
else:
soext = ".so"
+try:
+ gtlib = CDLL("libgenometools" + soext)
+except OSError:
+ # Debian sets a version suffix
+ gtlib = CDLL("libgenometools" + soext + ".0")
-gtlib = CDLL("libgenometools" + soext)
gtlib.gt_lib_init()
gtlib.gt_lib_reg_atexit_func()
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