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This file contains instructions for building Piqi on Windows platform.
Windows build procedure described in this documented uses MinGW/Msys toolchain
for an older version of OCaml. Because of that, you need to follow instructions
precisely. It is almost guaranteed to not work with newer versions of MinGW,
OCaml and flexdll.
The newer windows build procedure for OCaml 4.00.1 and MinGW-w64/Cygwin
toolchain will be provided soon.
Piqi also successfully builds and runs on Windows under Cygwin. To build Piqi
under Cygwin, follow general instructions for Unix platforms provided in the
1. Download and install prerequisites
1.1. MinGW and Msys
Download and run MinGW and Msys self-installer from here:
During the "Select Components" step, check the "MinGW Developer Toolkit"
If you choose to install MinGW to non-default location (c:\mingw), make
sure the location doesn't contain spaces in directory names.
1.2. OCaml compiler suite
Download and install binary OCaml distribution for Windows:
1.3. Flexdll
Download and run self-extracting Flexdll installer:
1.4. Ocamlfind/Findlib -- library manager for OCaml
Download findlib sources (but don't build it yet!):
Put the tarball to some filesystem location, for example, to
1.5. Piqi source code distribution
Download Piqi sources (but don't try to build it!):
Direct download link:
General downloads:
Put the Piqi tarball to the same filesystem location where you've put
the findlib archive (e.g. "c:\build\").
2. Build Findlib and Piqi
2.1. Start MinGW shell
Start MinGW/Msys shell. The MinGW installer usually creates a desktop
shortcut for it.
Go to your build directory:
cd c:/build
2.2. Unpack Findlib
tar -xzf findlib-*
2.3. Unpack Piqi sources
tar -xzf piqi-*
Ignore all warnings and errors printed by tar.
2.4. Configure Windows-specific build parameters
Note: this step is not necessary if MinGW, OCaml and Flexdll are
installed to the default locations suggested by their installers.
Use your favorite editor to configure environment variables in
2.5. Apply build parameters
Go back to the opened MinGW shell and type the following commands:
cd piqi
2.6. Build and install Findlib
Now, go to the unpacked findlib source code directory:
cd ..
cd findlib-<version>
And do the following:
make all
make opt
make install
Note: once you've build and installed Findlib, you will no longer need
to repeat this step for subsequent Piqi builds.
2.7. Build Piqi
Go back to the unpacked Piqi source code directory:
cd ..
cd piqi
Run the following commands:
make deps
Successful build will produce two stand-alone Windows executables:
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