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build-static-version-of-qt-with-icu-and-openssl-linked.md

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How to build static version of Qt with ICU and OpenSSL linked

For Windows platform and VS developers ONLY !!!

You have to install Active Perl, Python 2 and Visual Studio first.

Build static version of ICU

From ICU 64, it requires Python 3 to be built.

32-bit example:

  1. Download the latest MSYS2 and install it. I assume you have installed it to it's default location "C:\msys64".
  2. Open MSYS2 MSYS shell and execute the following commands: 
    pacman -Syu
    Close the shell window forcely and open MSYS2 MSYS shell again, execute the following commands: 
    pacman -Su
pacman -S make binutils python3
  3. Rename "C:\msys64\usr\bin\link.exe" to "link.exe.bak" (only if you have this file).
  4. Download the latest ICU source code package and extract it to anywhere you like. I assume you have extracted it to "C:\ICU\src".
  5. Open cmd shell and execute the following commands (I assume you have installed VS2017 Community to it's default localtion "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community"): 
    REM 64 bit: use "x64" instead of "x86"
call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvarsall.bat" x86
REM 64 bit: use "-mingw64" instead of "-mingw32"
call "C:\msys64\msys2_shell.cmd" -mingw32 -use-full-path
    Then execute the following commands: 
    cd /C/ICU/src/source
./runConfigureICU MSYS/MSVC --enable-static --disable-shared --prefix=$PWD/../../icu4c-x86-static-msvc2017
make -j4 && make install
    ICU will link to shared MSVCRT(-MD) for both shared and static builds by default, if you want to link against static MSVCRT, add CFLAGS=-MT CXXFLAGS=-MT to the configure parameters.

Build static version of OpenSSL

Just use the script I offered.

Build static version of Qt

  1. Download the latest Qt source code package and extract it to anywhere you like. I assume you have extracted it to "C:\Qt\src".
  2. Open "C:\Qt\src\qtbase\mkspecs\common\msvc-desktop.conf", add "U_STATIC_IMPLEMENTATION" to "DEFINES +=" (this step is for static version of ICU only, if you don't need ICU, please ignore this step).
  3. Use the script I offered to generate the batch script file, add -static-runtime to configure parameters if you want to link to static MSVCRT.
  4. Open the generated .bat file, add the following lines to it and put them to their proper position (you may have to change a little bit if necessary): 
    SET "_ICU_DIR=C:\ICU\icu4c-static"
SET "_OPENSSL_DIR=C:\OpenSSL\openssl-static"
SET "PATH=%_ICU_DIR%\bin;%_OPENSSL_DIR%\bin;%PATH%"
CALL "configure.bat" -icu -I "%_ICU_DIR%\include" -L "%_ICU_DIR%\lib" ICU_LIBS="-lsicudt -lsicuin -lsicuuc -lAdvapi32" -openssl-linked -I "%_OPENSSL_DIR%\include" -L "%_OPENSSL_DIR%\lib" OPENSSL_LIBS="-llibcrypto -llibssl -lgdi32"
    NOTICE: -lAdvapi32 is necessary for static version of ICU, without this lib, the compilation will fail. -lgdi32 is the same. Don't remove the two libs.

NOTE

If you have compiler errors and the whole compiling process stopped, don't worry, it's OK, just close the batch script window and rerun it.