# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

NO_VISIBILITY_FLAGS = True

# We allow warnings for third-party code that can be updated from upstream.
ALLOW_COMPILER_WARNINGS = True

GeckoSharedLibrary('sqlite', linkage=None, mozglue='library')
SHARED_LIBRARY_NAME = 'mozsqlite3'
SYMBOLS_FILE = 'sqlite.symbols'

EXPORTS += ['sqlite3.h']
SOURCES += ['sqlite3.c']

# -DSQLITE_SECURE_DELETE=1 will cause SQLITE to 0-fill delete data so we
# don't have to vacuum to make sure the data is not visible in the file.
# -DSQLITE_ENABLE_FTS3=1 enables the full-text index module.
# -DSQLITE_CORE=1 statically links that module into the SQLite library.
# -DSQLITE_DEFAULT_PAGE_SIZE=32768 and SQLITE_MAX_DEFAULT_PAGE_SIZE=32768
# increases the page size from 1k, see bug 416330.  It must be kept in sync with
# the value of PREF_TS_PAGESIZE_DEFAULT in mozStorageService.cpp.  The value can
# be overridden on a per-platform basis through the use of the PREF_TS_PAGESIZE
# hidden preference.  If that preference is missing or invalid then this value
# will be used.
# Note: Be sure to update the configure.in checks when these change!
for var in ('SQLITE_SECURE_DELETE',
            'SQLITE_THREADSAFE',
            'SQLITE_CORE',
            'SQLITE_ENABLE_FTS3',
            'SQLITE_ENABLE_UNLOCK_NOTIFY',
            'SQLITE_ENABLE_DBSTAT_VTAB'):
    DEFINES[var] = 1

DEFINES['SQLITE_DEFAULT_PAGE_SIZE'] = 32768
DEFINES['SQLITE_MAX_DEFAULT_PAGE_SIZE'] = 32768

# -DSQLITE_WIN32_GETVERSIONEX=0 avoids using deprecated functions.
# SQLite will just assume we are running on NT kinds of Windows. That's fine
# because we don't support Win9x.
# -DSQLITE_ALLOW_URI_AUTHORITY=1 enables uri authorities. See bug 879133.
if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'windows':
    DEFINES['SQLITE_WIN32_GETVERSIONEX'] = 0
    DEFINES['SQLITE_ALLOW_URI_AUTHORITY'] = 1

# sqlite defaults this to on on __APPLE_ but it breaks on newer iOS SDKs
if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'uikit':
    DEFINES['SQLITE_ENABLE_LOCKING_STYLE'] = 0

# Thunderbird needs the 2-argument version of fts3_tokenizer()
if CONFIG['MOZ_THUNDERBIRD'] or CONFIG['MOZ_SUITE']:
    DEFINES['SQLITE_ENABLE_FTS3_TOKENIZER'] = 1

# Turn on SQLite's assertions in debug builds.
if CONFIG['MOZ_DEBUG']:
    DEFINES['SQLITE_DEBUG'] = 1
    DEFINES['SQLITE_ENABLE_API_ARMOR'] = True

# Force using malloc_usable_size when building with jemalloc because _msize
# causes assertions on Win64. See bug 719579.
# This causes a known warning due to the way mozjemalloc is linked and the
# malloc_usable_size function not being available at compile time on MSVC
# so we suppress that particular warning (C4013)
if CONFIG['OS_ARCH'] == 'WINNT' and CONFIG['MOZ_MEMORY']:
    DEFINES['HAVE_MALLOC_USABLE_SIZE'] = True
    DEFINES['SQLITE_WITHOUT_MSIZE'] = True
    CFLAGS += ['-wd4013']

# Omit unused functions to save some library footprint.
DEFINES['SQLITE_OMIT_DEPRECATED'] = True
DEFINES['SQLITE_OMIT_BUILTIN_TEST'] = True
DEFINES['SQLITE_OMIT_DECLTYPE'] = True

# Try to use a MEMORY temp store when possible. That allows for better
# performance and doesn't suffer from a full separate tmp partition.
# Exclude 32bit platforms due to address space fragmentation issues.
# System Sqlite is managed through a PRAGMA instead.
if CONFIG['HAVE_64BIT_BUILD']:
    # On 64bit platforms default to a MEMORY temp store for performance.
    DEFINES['SQLITE_TEMP_STORE'] = 2

# Suppress warnings in third-party code.
if CONFIG['GNU_CC']:
    CFLAGS += [
        '-Wno-sign-compare',
        '-Wno-type-limits',
    ]