Statically linked with libsqlite3.a with LTO enabled

.gitignore

@@ -156,3 +156,11 @@ dmypy.json
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
+
+# pkg-config files
+*.pc
+
+# c objects and archive
+*.o
+*.a
+*.so

Cargo.toml

@@ -1,13 +1,24 @@
 [package]
-name = "fast-sqlite3-inserts"
+name = "fast_sqlite3_inserts"
 version = "0.1.0"
 authors = ["avi <hi@avi.im>"]
 edition = "2018"
 
+[workspace]
+members = ["sqlite3-binding"]
+
+[profile.release]
+lto = true
+panic = "abort"
+codegen-units = 1
+
+[features]
+async-sql = ["sqlx", "tokio"]
+
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [dependencies]
-sqlx = { version = "0.5.2", features = ["runtime-tokio-native-tls", "sqlite"]}
-tokio = {version = "1.5.0", features = ["full"]}
+sqlx = { version = "0.5.2", features = ["runtime-tokio-native-tls", "sqlite"], optional = true }
+tokio = { version = "1.5.0", features = ["full"], optional = true }
 rand = "0.8.3"
 num_cpus = "1.0"
-rusqlite = "0.25.3"
+sqlite3-binding = { path = "sqlite3-binding" }

Makefile

@@ -1,8 +1,17 @@
 # runs each of the scripts one after another, prints the measurements to stdout
 .SILENT:
 
+.PHONY: build_rust
+
 export TZ := ":Asia/Kolkata"
 
+build_rust: sqlite3/libsqlite3.a
+	./cargo_build.sh
+
+sqlite3/libsqlite3.a: sqlite3/sqlite3.c sqlite3/sqlite3.h sqlite3/compile.sh
+	sqlite3/compile.sh
+	#cargo clean -p rusqlite
+
 busy-python:
 	echo
 	echo "$$(date)" "[PYTHON] busy_loop.py (100_000_000) iterations"
@@ -30,4 +39,4 @@ busy-py-all: busy-python busy-pypy
 busy-rust-all: busy-rust busy-rust-thread
 
 busy-all: busy-py-all busy-rust-all
-
+

cargo_build.sh

@@ -0,0 +1,18 @@
+#!/bin/sh -ex
+
+base="$(dirname `realpath $0`)"
+
+cd "$base"
+
+# SQLITE3_LIB_DIR is necessary the directory of statically linked library.
+# Otherwise, libsqlite3-sys would just use the global dynamic library
+export SQLITE3_LIB_DIR="$base/sqlite3"
+# SQLITE3_STATIC is necessary to statically linked with libsqlite3.a
+export SQLITE3_STATIC=1
+# SQLITE3_INCLUDE_DIR is necessary since libsqlite3-sys does not use sqlite3.pc
+# found using `SQLITE3_LIB_DIR` for locating the header.
+export SQLITE3_INCLUDE_DIR="$SQLITE3_LIB_DIR"
+
+export PKG_CONFIG_PATH="$SQLITE3_LIB_DIR/pkgconfig"
+
+exec cargo build --release -vv $@