Attempt to build latest sqlite with CI

.travis.yml

@@ -26,6 +26,16 @@ matrix:
     - python: 3.8-dev
       dist: xenial
       sudo: true
+    - python: 3.7
+      dist: xenial
+      sudo: true
+      env:
+      - PEEWEE_TEST_BUILD_SQLITE=1
+      - PEEWEE_CLOSURE_EXTENSION=/usr/local/lib/closure.so
+      - LSM_EXTENSION=/usr/local/lib/lsm.so
+      before_install:
+        - sudo apt-get install -y tcl-dev
+        - ./.travis_deps.sh
 addons:
   postgresql: "9.6"
   mariadb: "10.3"

.travis_deps.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+
+setup_sqlite_deps() {
+  wget https://www.sqlite.org/src/tarball/sqlite.tar.gz
+  tar xzf sqlite.tar.gz
+  cd sqlite/
+  export CFLAGS="-DSQLITE_ENABLE_FTS3 \
+    -DSQLITE_ENABLE_FTS3_PARENTHESIS \
+    -DSQLITE_ENABLE_FTS4 \
+    -DSQLITE_ENABLE_FTS5 \
+    -DSQLITE_ENABLE_JSON1 \
+    -DSQLITE_ENABLE_LOAD_EXTENSION \
+    -DSQLITE_ENABLE_UPDATE_DELETE_LIMIT \
+    -DSQLITE_TEMP_STORE=3 \
+    -DSQLITE_USE_URI \
+    -O2 \
+    -fPIC"
+  export PREFIX="/usr/local"
+  LIBS="-lm" ./configure \
+    --disable-tcl \
+    --enable-shared \
+    --enable-tempstore=always \
+    --prefix="$PREFIX"
+  make && sudo make install
+
+  cd ext/misc/
+
+  # Build the transitive closure extension and copy shared library.
+  gcc -fPIC -O2 -lsqlite3 -shared closure.c -o closure.so
+  sudo cp closure.so /usr/local/lib
+
+  # Build the lsm1 extension and copy shared library.
+  cd ../lsm1
+  export CFLAGS="-fPIC -O2"
+  TCCX="gcc -fPIC -O2" make lsm.so
+  sudo cp lsm.so /usr/local/lib
+}
+
+if [ -n "$PEEWEE_TEST_BUILD_SQLITE" ]; then
+  setup_sqlite_deps
+fi