| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // This is a shim that injects Chrome-specific defitions into sqlite3.c |
| // BUILD.gn uses this instead of building the sqlite3 amalgamation directly. |
| |
| // We prefix chrome_ to SQLite's exported symbols, so that we don't clash with |
| // other SQLite libraries loaded by the system libraries. This only matters when |
| // using the component build, where our SQLite's symbols are visible to the |
| // dynamic library loader. |
| #include "third_party/sqlite/amalgamation/rename_exports.h" |
| |
| #if defined(SQLITE_OMIT_COMPILEOPTION_DIAGS) |
| // When SQLITE_OMIT_COMPILEOPTION_DIAGS is defined, sqlite3.h emits macros |
| // instead of declarations for sqlite3_compileoption_{get,used}(). |
| // |
| // In order to avoid a macro redefinition warning, we must undo the #define in |
| // rename_exports.h. |
| #if defined(sqlite3_compileoption_get) |
| #undef sqlite3_compileoption_get |
| #else |
| #error "This workaround is no longer needed." |
| #endif // !defined(sqlite3_compileoption_get) |
| #if defined(sqlite3_compileoption_used) |
| #undef sqlite3_compileoption_used |
| #else |
| #error "This workaround is no longer needed." |
| #endif // !defined(sqlite3_compileoption_used) |
| #endif // defined(SQLITE_OMIT_COMPILEOPTION_DIAGS) |
| |
| // Linux-specific configuration fixups. |
| #if defined(__linux__) |
| |
| // features.h, included below, indirectly includes sys/mman.h. The latter header |
| // only defines mremap if _GNU_SOURCE is defined. Depending on the order of the |
| // files in the amalgamation, removing the define below may result in a build |
| // error on Linux. |
| #if defined(__GNUC__) && !defined(_GNU_SOURCE) |
| #define _GNU_SOURCE |
| #endif |
| #include <features.h> |
| |
| // SQLite wants to track malloc sizes. On OSX it uses malloc_size(), on Windows |
| // _msize(), elsewhere it handles it manually by enlarging the malloc and |
| // injecting a field. Enable malloc_usable_size() for Linux. |
| // |
| // malloc_usable_size() is not exported by the Android NDK. It is not |
| // implemented by uclibc. |
| #if !defined(__UCLIBC__) && !defined(__ANDROID__) |
| #define HAVE_MALLOC_H 1 |
| #define HAVE_MALLOC_USABLE_SIZE 1 |
| #endif |
| |
| #endif // defined(__linux__) |
| |
| // For unfortunately complex reasons, Chrome has release builds where |
| // DCHECK_IS_ON() (so we want SQLITE_DEBUG to be on) but NDEBUG is also defined. |
| // This causes declarations for mutex-checking functions used by SQLITE_DEBUG |
| // code (sqlite3_mutex_held, sqlite3_mutex_notheld) to be omitted, resulting in |
| // warnings. |
| // |
| // The easiest solution for now is to undefine NDEBUG when SQLITE_DEBUG is |
| // defined. The #undef only takes effect for the SQLite implementation (included |
| // below), and does not impact any dependency. |
| #if defined(SQLITE_DEBUG) && defined(NDEBUG) |
| #undef NDEBUG |
| #endif // defined(SQLITE_DEBUG) && defined(NDEBUG) |
| |
| #include "third_party/sqlite/amalgamation/sqlite3.c" |