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I get the following error and cannot build. Is this a bug?

wallet/bdb.cpp: In member function 'virtual bool BerkeleyDatabase::Backup(const std::string&) const':
wallet/bdb.cpp:630:58: error: 'fs::copy_option' has not been declared
  630 |                     fs::copy_file(pathSrc, pathDest, fs::copy_option::overwrite_if_exists);
      |                                                          ^~~~~~~~~~~

Disowning package, feel free to adopt it.

The following error message appears:

configure: error: libdb_cxx missing, Litecoin Core requires this library for wallet functionality (--disable-wallet to disable wallet functionality)

Is this a broken dependency?

The following patch is currently needed with GCC 13:

diff --git a/src/support/lockedpool.cpp b/src/support/lockedpool.cpp
index 26de780f2..9e6a68d42 100644
--- a/src/support/lockedpool.cpp
+++ b/src/support/lockedpool.cpp
@@ -21,6 +21,7 @@
 #include <unistd.h> // for sysconf
 #endif

+#include <stdexcept>
 #include <algorithm>
 #ifdef ARENA_DEBUG
 #include <iomanip>
diff --git a/src/util/bip32.h b/src/util/bip32.h
index 347e83db9..6ef051c48 100644
--- a/src/util/bip32.h
+++ b/src/util/bip32.h
@@ -6,6 +6,7 @@
 #define BITCOIN_UTIL_BIP32_H

 #include <attributes.h>
+#include <cstdint>
 #include <string>
 #include <vector>

diff --git a/src/util/string.h b/src/util/string.h
index a0c87bd00..f73c1bb9f 100644
--- a/src/util/string.h
+++ b/src/util/string.h
@@ -9,7 +9,9 @@

 #include <algorithm>
 #include <array>
+#include <cstdint>
 #include <cstring>
+#include <iterator>
 #include <locale>
 #include <sstream>
 #include <string>

Needs db5.3 dependency and BDB_LIBS="-ldb_cxx-5.3" BDB_CFLAGS="-I/usr/include/db5.3" for the configure. Crashes when creating a new wallet otherwise.

The build fails with the following error. How can I build?

checking whether the Boost::Thread library is available... ./configure:break:33533: not in while, until, select, or repeat loop

builds fine without chroot. patches to make it chroot-compatible welcome.

Does not build in a chroot:

==> Retrieving sources...
  -> Found litecoin-0.21.2.1.tar.gz
  -> Found boost1770.patch
  -> Found litecoin-qt.desktop
  -> Found litecoin128.png
==> WARNING: Skipping all source file integrity checks.
==> Extracting sources...
  -> Extracting litecoin-0.21.2.1.tar.gz with bsdtar
==> Sources are ready.
litecoin-qt-0.21.2.1-1: parsing pkg list...
==> Making package: litecoin-qt 0.21.2.1-1 (Sun 09 Oct 2022 05:34:12 PM CEST)
==> Retrieving sources...
  -> Found litecoin-0.21.2.1.tar.gz
  -> Found boost1770.patch
  -> Found litecoin-qt.desktop
  -> Found litecoin128.png
==> Validating source files with sha256sums...
    litecoin-0.21.2.1.tar.gz ... Passed
    boost1770.patch ... Passed
    litecoin-qt.desktop ... Passed
    litecoin128.png ... Passed
==> Making package: litecoin-qt 0.21.2.1-1 (Sun Oct  9 17:34:14 2022)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> WARNING: Using existing $srcdir/ tree
==> Starting build()...
/startdir/PKGBUILD: line 26: cd: /build/litecoin-qt/src/litecoin-0.21.2.1: No such file or directory
==> ERROR: A failure occurred in build().
    Aborting...

@rpodgorny

(...)
checking for ZMQ... yes
checking for main in -lfmt... no
configure: error: libfmt missing
==> ERROR: A failure occurred in build().
    Aborting...

Installing fmt fixes this. Can you add it to depends?