Vendor libmaxminddb

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "tests/data"]
 	path = tests/data
 	url = https://github.com/maxmind/MaxMind-DB
+[submodule "extension/libmaxminddb"]
+	path = extension/libmaxminddb
+	url = [email protected]:maxmind/libmaxminddb.git

extension/maxminddb.c

@@ -1,7 +1,7 @@
 #define PY_SSIZE_T_CLEAN
 #include <Python.h>
 #include <arpa/inet.h>
-#include <maxminddb.h>
+#include "libmaxminddb/include/maxminddb.h"
 #include <netinet/in.h>
 #include <structmember.h>
 #include <sys/socket.h>

pyproject.toml

@@ -42,9 +42,3 @@ Documentation = "https://maxminddb.readthedocs.org/"
 # src is showing up in our GitHub linting builds. It seems to
 # contain deps.
 extend-exclude = '^/src/'
-
-[tool.cibuildwheel.linux]
-before-all = "apt install libmaxminddb-dev"
-
-[tool.cibuildwheel.macos]
-before-all = "brew install libmaxminddb"

setup.py

@@ -21,13 +21,25 @@
 PYPY = hasattr(sys, "pypy_version_info")
 JYTHON = sys.platform.startswith("java")
 
-compile_args = ["-Wall", "-Wextra"]
+compile_args = ["-Wall", "-Wextra", "-Wno-unknown-pragmas"]
 
 ext_module = [
     Extension(
         "maxminddb.extension",
-        libraries=["maxminddb"],
-        sources=["extension/maxminddb.c"],
+        sources=[
+            "extension/maxminddb.c",
+            "extension/libmaxminddb/src/data-pool.c",
+            "extension/libmaxminddb/src/maxminddb.c",
+        ],
+        define_macros=[
+            # XXX - maybe we should get this from python somehow
+            ("MMDB_LITTLE_ENDIAN", 1),
+            ("PACKAGE_VERSION", '"maxminddb-python"'),
+        ],
+        include_dirs=[
+            "extension/libmaxminddb/include",
+            "extension/libmaxminddb/src",
+        ],
         extra_compile_args=compile_args,
     )
 ]
@@ -116,6 +128,8 @@ def run_setup(with_cext):
     try:
         run_setup(True)
     except BuildFailed as exc:
+        if os.environ['MAXMINDDB_REQUIRE_EXTENSION']:
+            raise exc
         status_msgs(
             exc.cause,
             "WARNING: The C extension could not be compiled, "