dxflib 3.26.4.0
Source: github.com/qcad/qcad (src/3rdparty/dxflib/)
Commit: f3a3459acd690c16f1b2fa80d46d254956d91a49
Date:   2026-02-20

Patches applied by gerbv:
  1. dl_dxf.h: remove unused `ret` variable in DL_Dxf::toReal()
     (caused -Werror build failures)
  2. dl_codes.h, dl_dxf.h: guard MSVC-only #pragma warning and
     strcasecmp macro behind _MSC_VER (MinGW defines _WIN32 but
     uses GCC, so these caused -Werror failures in cross-compilation)
  3. dl_writer_ascii.cpp: replace sprintf with snprintf
     (sprintf is deprecated on macOS, causes -Wdeprecated-declarations)
