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Modules/sqlite.include/README.txt

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+This package contains:
+
+ * the SQLite library amalgamation source code file: sqlite3.c
+ * the sqlite3.h and sqlite3ext.h header files that define the C-language
+   interface to the sqlite3.c library file
+ * the shell.c file used to build the sqlite3 command-line shell program
+ * autoconf-like installation infrastucture for building on POSIX
+   compliant systems
+ * a Makefile.msc, sqlite3.rc, and Replace.cs for building with Microsoft
+   Visual C++ on Windows
+
+WHY USE THIS PACKAGE?
+=====================
+
+The canonical make system for SQLite requires TCL as part of the build
+process.  Various TCL scripts are used to generate parts of the code and
+TCL is used to run tests.  But some people would prefer to build SQLite
+using only generic tools and without having to install TCL.  The purpose
+of this package is to provide that capability.
+
+This package contains a pre-build SQLite amalgamation file "sqlite3.c"
+(and its associated header file "sqlite3.h").  Because the
+amalgamation has been pre-built, no TCL is required for the code
+generate (the configure script itself is written in TCL but it can use
+the embedded copy of JimTCL).
+
+REASONS TO USE THE CANONICAL BUILD SYSTEM RATHER THAN THIS PACKAGE
+==================================================================
+
+ * the canonical build system allows you to run tests to verify that
+   the build worked
+ * the canonical build system supports more compile-time options
+ * the canonical build system works for any arbitrary check-in to
+   the SQLite source tree
+
+Step-by-step instructions on how to build using the canonical make
+system for SQLite can be found at:
+
+  https://sqlite.org/src/doc/trunk/doc/compile-for-unix.md
+  https://sqlite.org/src/doc/trunk/doc/compile-for-windows.md
+
+
+SUMMARY OF HOW TO BUILD USING THIS PACKAGE
+==========================================
+
+  Unix:      ./configure; make
+  Windows:   nmake /f Makefile.msc
+
+BUILDING ON POSIX
+=================
+
+The configure script follows common conventions, making it easy
+to use for anyone who has configured a software tree before.
+It supports a number of build-time flags, the full list of which
+can be seen by running:
+
+  ./configure --help
+
+The default value for the CFLAGS variable (options passed to the C
+compiler) includes debugging symbols in the build, resulting in larger
+binaries than are necessary. Override it on the configure command
+line like this:
+
+  $ CFLAGS="-Os" ./configure
+
+to produce a smaller installation footprint.
+
+Many SQLite compilation parameters can be defined by passing flags
+to the configure script. Others may be passed on in the CFLAGS. For
+example:
+
+  $ CFLAGS="-Os -DSQLITE_OMIT_DEPRECATED" ./configure
+
+
+BUILDING WITH MICROSOFT VISUAL C++
+==================================
+
+To compile for Windows using Microsoft Visual C++:
+
+  $ nmake /f Makefile.msc
+
+Using Microsoft Visual C++ 2005 (or later) is recommended.  Several Windows
+platform variants may be built by adding additional macros to the NMAKE
+command line.
+
+
+Other preprocessor defines
+--------------------------
+
+Additionally, preprocessor defines may be specified by using the OPTS macro
+on the NMAKE command line.  However, not all possible preprocessor defines
+may be specified in this manner as some require the amalgamation to be built
+with them enabled (see http://sqlite.org/compile.html). For example, the
+following will work:
+
+  "OPTS=-DSQLITE_ENABLE_STAT4=1 -DSQLITE_OMIT_JSON=1"
+
+However, the following will not compile unless the amalgamation was built
+with it enabled:
+
+  "OPTS=-DSQLITE_ENABLE_UPDATE_DELETE_LIMIT=1"