[build] use vendored SQLite for LTO benefits + custom compile flags

CMakeLists.txt

@@ -60,6 +60,7 @@ set(CMAKE_CONFIGURATION_TYPES Debug Release RelWithDebInfo Sanitize)
 set(CMAKE_CXX_EXTENSIONS OFF)
 set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_C_EXTENSIONS OFF)
 set(CMAKE_C_STANDARD 99)
 set(CMAKE_C_STANDARD_REQUIRED ON)
 
@@ -89,8 +90,11 @@ if(APPLE AND CMAKE_CXX_COMPILER_ID MATCHES ".*Clang")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=unused-command-line-argument")
 endif()
 set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Os -DNDEBUG")
+set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -Os -DNDEBUG")
 set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -O3 -DNDEBUG")
+set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -O3 -DNDEBUG")
 set(CMAKE_CXX_FLAGS_SANITIZE "${CMAKE_CXX_FLAGS_SANITIZE} -O1 -g -fno-omit-frame-pointer -fno-optimize-sibling-calls")
+set(CMAKE_C_FLAGS_SANITIZE "${CMAKE_C_FLAGS_SANITIZE} -O1 -g -fno-omit-frame-pointer -fno-optimize-sibling-calls")
 
 if(CMAKE_CXX_COMPILER_ID MATCHES ".*Clang")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=unknown-warning-option")

cmake/mason-dependencies.cmake

@@ -20,13 +20,11 @@ mason_use(vector-tile VERSION 1.0.2 HEADER_ONLY)
 
 if(MBGL_PLATFORM STREQUAL "android")
     mason_use(jni.hpp VERSION 3.0.0 HEADER_ONLY)
-    mason_use(sqlite VERSION 3.24.0-min-size)
     mason_use(icu VERSION 58.1-min-size)
 elseif(MBGL_PLATFORM STREQUAL "ios")
     mason_use(icu VERSION 58.1-min-size)
 elseif(MBGL_PLATFORM STREQUAL "linux")
     mason_use(glfw VERSION 2018-06-27-0be4f3f)
-    mason_use(sqlite VERSION 3.24.0-min-size)
     mason_use(libuv VERSION 1.9.1)
     mason_use(libpng VERSION 1.6.25)
     mason_use(libjpeg-turbo VERSION 1.5.0)

cmake/sqlite.cmake

@@ -0,0 +1,36 @@
+add_vendor_target(sqlite STATIC)
+
+target_compile_definitions(sqlite
+    PRIVATE "-DVERSION=\"3.24.0\""
+    PRIVATE "-DSTDC_HEADERS=int"
+    PRIVATE "-DHAVE_SYS_TYPES_H=1"
+    PRIVATE "-DHAVE_SYS_STAT_H=1"
+    PRIVATE "-DHAVE_STDLIB_H=1"
+    PRIVATE "-DHAVE_STRING_H=1"
+    PRIVATE "-DHAVE_MEMORY_H=1"
+    PRIVATE "-DHAVE_STRINGS_H=1"
+    PRIVATE "-DHAVE_INTTYPES_H=1"
+    PRIVATE "-DHAVE_STDINT_H=1"
+    PRIVATE "-DHAVE_UNISTD_H=1"
+    PRIVATE "-DHAVE_DLFCN_H=1"
+    PRIVATE "-DHAVE_FDATASYNC=1"
+    PRIVATE "-DHAVE_USLEEP=1"
+    PRIVATE "-DHAVE_LOCALTIME_R=1"
+    PRIVATE "-DHAVE_GMTIME_R=1"
+    PRIVATE "-DHAVE_DECL_STRERROR_R=1"
+    PRIVATE "-DHAVE_STRERROR_R=1"
+    PRIVATE "-DHAVE_ZLIB_H=1"
+    PRIVATE "-D_REENTRANT=1"
+    PRIVATE "-DSQLITE_THREADSAFE=1"
+    PRIVATE "-DSQLITE_HAVE_ZLIB"
+
+    # These are disabled on purpose, since we're not using these features.
+    # PRIVATE "-DSQLITE_ENABLE_FTS5"
+    # PRIVATE "-DSQLITE_ENABLE_JSON1"
+    # PRIVATE "-DSQLITE_ENABLE_FTS3"
+    # PRIVATE "-DSQLITE_ENABLE_RTREE"
+)
+
+target_compile_options(sqlite
+    PRIVATE "-Wno-int-conversion"
+)

platform/android/config.cmake

@@ -1,6 +1,7 @@
 set(USE_GLES2 ON)
 
 include(cmake/nunicode.cmake)
+include(cmake/sqlite.cmake)
 
 # Build thin archives.
 set(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> cruT <TARGET> <LINK_FLAGS> <OBJECTS>")
@@ -66,10 +67,10 @@ macro(mbgl_filesource)
     # Modify platform/android/filesource-files.txt to change the source files for this target.
     target_sources_from_file(mbgl-filesource PRIVATE platform/android/filesource-files.txt)
 
-    target_add_mason_package(mbgl-filesource PUBLIC sqlite)
     target_add_mason_package(mbgl-filesource PUBLIC jni.hpp)
 
     target_link_libraries(mbgl-filesource
+        PUBLIC sqlite
         PUBLIC -llog
         PUBLIC -landroid
         PUBLIC -lstdc++

platform/linux/config.cmake

@@ -1,4 +1,5 @@
 include(cmake/nunicode.cmake)
+include(cmake/sqlite.cmake)
 
 add_library(mbgl-loop-uv STATIC
     platform/default/async_task.cpp
@@ -107,11 +108,10 @@ macro(mbgl_filesource)
         PRIVATE platform/default/sqlite3.cpp
     )
 
-    target_add_mason_package(mbgl-filesource PUBLIC sqlite)
-
     # We're not referencing any cURL symbols since we're dynamically loading it. However, we want to
     # link the library anyway since we're definitely going to load it on startup anyway.
     target_link_libraries(mbgl-filesource
+        PUBLIC sqlite
         PUBLIC -Wl,--no-as-needed -lcurl -Wl,--as-needed
     )
 endmacro()

scripts/vendor/sqlite.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+source "$(dirname "${BASH_SOURCE[0]}")/common.sh"
+
+NAME=sqlite
+VERSION=3.24.0
+ROOT=sqlite-amalgamation-3240000
+
+download "https://www.sqlite.org/2018/$ROOT.zip"
+init
+extract_zip "$ROOT/sqlite3.*"
+mkdir -p include src
+mv sqlite3.h include
+mv sqlite3.c src
+file_list include src -name "*.h" -o -name "*.c"

vendor/sqlite/files.txt

@@ -0,0 +1,2 @@
+include/sqlite3.h
+src/sqlite3.c

vendor/sqlite/version.txt

@@ -0,0 +1 @@
+3.24.0