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This directory contains source code to an experimental "version 4" of SQLite that was being developed between 2012 and 2014.

All development work on SQLite4 has ended. The experiment has concluded.

Lessons learned from SQLite4 have been folded into SQLite3 which continues to be actively maintained and developed. This repository exists as an historical record. There are no plans at this time to resume development of SQLite4.

To compile the project, first create a directory in which to place the build products. It is recommended, but not required, that the build directory be separate from the source directory. Cd into the build directory and then from the build directory run the configure script found at the root of the source tree. Then run "make".

For example:

tar xzf sqlite.tar.gz    ;#  Unpack the source tree into "sqlite"
./autogen.sh             ;#  Create the configure script
configure                ;#  Run the configure script
make                     ;#  Run the makefile.
make install             ;#  (Optional) Install the build products

The configure script uses autoconf 2.61 and libtool. If the configure script does not work out for you, there is a generic makefile named "Makefile.linux-gcc" in the top directory of the source tree that you can copy and edit to suit your needs. Comments on the generic makefile show what changes are needed.

The linux binaries on the website are created using the generic makefile, not the configure script. The windows binaries on the website are created using MinGW32 configured as a cross-compiler running under Linux. For details, see the ./publish.sh script at the top-level of the source tree. The developers do not use teh configure script.

SQLite does not require TCL to run, but a TCL installation is required by the makefiles. SQLite contains a lot of generated code and TCL is used to do much of that code generation. The makefile also requires AWK.