bpo-45774: Autoconfiscate SQLite detection (GH-29507)

Co-authored-by: Christian Heimes <christian@python.org>

1 files changed, 11 insertions, 102 deletions

diff --git a/setup.py b/setup.py
index a09cf18213..040f90af60 100644
--- a/setup.py
+++ b/setup.py
@@ -1371,108 +1371,17 @@ class PyBuildExt(build_ext):
             self.missing.append('_gdbm')
 
     def detect_sqlite(self):
-        # The sqlite interface
-        sqlite_setup_debug = False   # verbose debug prints from this script?
-
-        # We hunt for #define SQLITE_VERSION "n.n.n"
-        sqlite_incdir = sqlite_libdir = None
-        sqlite_inc_paths = [ '/usr/include',
-                             '/usr/include/sqlite',
-                             '/usr/include/sqlite3',
-                             '/usr/local/include',
-                             '/usr/local/include/sqlite',
-                             '/usr/local/include/sqlite3',
-                             ]
-        if CROSS_COMPILING:
-            sqlite_inc_paths = []
-        MIN_SQLITE_VERSION_NUMBER = (3, 7, 15)  # Issue 40810
-        MIN_SQLITE_VERSION = ".".join([str(x)
-                                    for x in MIN_SQLITE_VERSION_NUMBER])
-
-        # Scan the default include directories before the SQLite specific
-        # ones. This allows one to override the copy of sqlite on OSX,
-        # where /usr/include contains an old version of sqlite.
-        if MACOS:
-            sysroot = macosx_sdk_root()
-
-        for d_ in self.inc_dirs + sqlite_inc_paths:
-            d = d_
-            if MACOS and is_macosx_sdk_path(d):
-                d = os.path.join(sysroot, d[1:])
-
-            f = os.path.join(d, "sqlite3.h")
-            if os.path.exists(f):
-                if sqlite_setup_debug: print("sqlite: found %s"%f)
-                with open(f) as file:
-                    incf = file.read()
-                m = re.search(
-                    r'\s*.*#\s*.*define\s.*SQLITE_VERSION\W*"([\d\.]*)"', incf)
-                if m:
-                    sqlite_version = m.group(1)
-                    sqlite_version_tuple = tuple([int(x)
-                                        for x in sqlite_version.split(".")])
-                    if sqlite_version_tuple >= MIN_SQLITE_VERSION_NUMBER:
-                        # we win!
-                        if sqlite_setup_debug:
-                            print("%s/sqlite3.h: version %s"%(d, sqlite_version))
-                        sqlite_incdir = d
-                        break
-                    else:
-                        if sqlite_setup_debug:
-                            print("%s: version %s is too old, need >= %s"%(d,
-                                        sqlite_version, MIN_SQLITE_VERSION))
-                elif sqlite_setup_debug:
-                    print("sqlite: %s had no SQLITE_VERSION"%(f,))
-
-        if sqlite_incdir:
-            sqlite_dirs_to_check = [
-                os.path.join(sqlite_incdir, '..', 'lib64'),
-                os.path.join(sqlite_incdir, '..', 'lib'),
-                os.path.join(sqlite_incdir, '..', '..', 'lib64'),
-                os.path.join(sqlite_incdir, '..', '..', 'lib'),
-            ]
-            sqlite_libfile = self.compiler.find_library_file(
-                                sqlite_dirs_to_check + self.lib_dirs, 'sqlite3')
-            if sqlite_libfile:
-                sqlite_libdir = [os.path.abspath(os.path.dirname(sqlite_libfile))]
-
-        if sqlite_incdir and sqlite_libdir:
-            sqlite_srcs = [
-                '_sqlite/connection.c',
-                '_sqlite/cursor.c',
-                '_sqlite/microprotocols.c',
-                '_sqlite/module.c',
-                '_sqlite/prepare_protocol.c',
-                '_sqlite/row.c',
-                '_sqlite/statement.c',
-                '_sqlite/util.c', ]
-            sqlite_defines = []
-
-            # Enable support for loadable extensions in the sqlite3 module
-            # if --enable-loadable-sqlite-extensions configure option is used.
-            if (
-                MACOS and
-                sqlite_incdir == os.path.join(MACOS_SDK_ROOT, "usr/include") and
-                sysconfig.get_config_var("PY_SQLITE_ENABLE_LOAD_EXTENSION")
-            ):
-                raise DistutilsError("System version of SQLite does not support loadable extensions")
-
-            include_dirs = ["Modules/_sqlite"]
-            # Only include the directory where sqlite was found if it does
-            # not already exist in set include directories, otherwise you
-            # can end up with a bad search path order.
-            if sqlite_incdir not in self.compiler.include_dirs:
-                include_dirs.append(sqlite_incdir)
-            # avoid a runtime library path for a system library dir
-            if sqlite_libdir and sqlite_libdir[0] in self.lib_dirs:
-                sqlite_libdir = None
-            self.add(Extension('_sqlite3', sqlite_srcs,
-                               define_macros=sqlite_defines,
-                               include_dirs=include_dirs,
-                               library_dirs=sqlite_libdir,
-                               libraries=["sqlite3",]))
-        else:
-            self.missing.append('_sqlite3')
+        sources = [
+            "_sqlite/connection.c",
+            "_sqlite/cursor.c",
+            "_sqlite/microprotocols.c",
+            "_sqlite/module.c",
+            "_sqlite/prepare_protocol.c",
+            "_sqlite/row.c",
+            "_sqlite/statement.c",
+            "_sqlite/util.c",
+        ]
+        self.addext(Extension("_sqlite3", sources=sources))
 
     def detect_platform_specific_exts(self):
         # Unix-only modules