The lack of such exporting seems to cause problems catching
exceptions, as suggested by
http://gcc.gnu.org/wiki/Visibility
This manifested in the symbol-hiding test failing when notmuch was
compile with gcc 4.4.5. On i386, this further manifested as notmuch
new failing to run (crashing with an uncaught exception on first run).
$(call quiet,CXX $(CXXFLAGS)) $(libnotmuch_modules) $(FINAL_LIBNOTMUCH_LDFLAGS) $(LIBRARY_LINK_FLAG) -o $@
notmuch.sym: lib/notmuch.h
- printf "{\nglobal:\n" > notmuch.sym
- sed -n 's/^\s*\(notmuch_[a-z_]*\)\s*(.*/\t\1;/p' $< >> notmuch.sym
- printf "local: *;\n};\n" >> notmuch.sym
+ sh lib/gen-version-script.sh $< $(libnotmuch_modules) > $@
$(dir)/$(SONAME): $(dir)/$(LIBNAME)
ln -sf $(LIBNAME) $@
--- /dev/null
+
+# we go through a bit of work to get the unmangled names of the
+# typeinfo symbols because of
+# http://sourceware.org/bugzilla/show_bug.cgi?id=10326
+
+if [ $# -lt 2 ]; then
+ echo Usage: $0 header obj1 obj2 obj3
+ exit 1;
+fi
+
+HEADER=$1
+shift
+
+printf '{\nglobal:\n'
+nm --defined $* | awk '$3 ~ "Xapian.*Error" {print $3}' | sort | uniq | \
+while read sym; do
+ demangled=$(c++filt $sym)
+ case $demangled in
+ typeinfo*)
+ printf "\t$sym;\n"
+ ;;
+ *)
+ ;;
+ esac
+done
+sed -n 's/^\s*\(notmuch_[a-z_]*\)\s*(.*/\t\1;/p' $HEADER
+printf "local: *;\n};\n"