BDB cross-compile script for mingw32 to make build for windows.

bdb.sh

#!/bin/bash
MXE_PATH=/mnt/mxe
sed -i "s/WinIoCtl.h/winioctl.h/g" src/dbinc/win_db.h
mkdir build_mxe
cd build_mxe

CC=$MXE_PATH/usr/bin/i686-w64-mingw32.static-gcc \
CXX=$MXE_PATH/usr/bin/i686-w64-mingw32.static-g++ \
../dist/configure \
    --disable-replication \
    --enable-mingw \
    --enable-cxx \
    --host x86 \
    --prefix=$MXE_PATH/usr/i686-w64-mingw32.static

make
make install

#download bdb https://mega.nz/file/8zwHiDTI#0wck67T5fKdrV2AHQI72_CXvbQRl1_xV9surxJwduQY
--------------
leveldb
TARGET_OS=NATIVE_WINDOWS make -j4 CC=i686-w64-mingw32.static-gcc CXX=i686-w64-mingw32.static-g++ libleveldb.a libmemenv.a