db_lmdb: catch exceptions testing for mmap support
Turns out at least one arch (armel based) does not have unique_path implemented and throws
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@ -1354,7 +1354,8 @@ void BlockchainLMDB::open(const std::string& filename, const int db_flags)
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m_folder = filename;
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m_folder = filename;
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check_mmap_support();
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try { check_mmap_support(); }
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catch(...) { MERROR("Failed to check for mmap support, proceeding"); }
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#ifdef __OpenBSD__
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#ifdef __OpenBSD__
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if ((mdb_flags & MDB_WRITEMAP) == 0) {
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if ((mdb_flags & MDB_WRITEMAP) == 0) {
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