shenleiandClaude Opus 5
5fad769ee8
The embedded 40250 script layer needs its own interpreter on five platforms. 2.7 is end-of-life, so nothing can be fetched from the target SDKs and the source is vendored (official 2.7.18 tarball, trimmed to 25MB; Lib/ stays for step 3's python27.zip). cpython-2.7.18/CMakeLists.txt builds one `mtpython` static library from exactly the 133 objects the reference libpython2.7.a contains, off by default behind -DMTGODOT_EMBED_PYTHON=ON. The source list and the built-in module table (config/config.c, 39 entries) are shared; pyconfig.h is a probe result and is not, so each platform keeps its own under config/<platform>/, regenerated by tools/py_embed/gen_pyconfig.sh and checked against the shared table. Three vendor patches, documented in docs/THIRD-PARTY.md: configure/configure.ac learn arm64 on macOS, and posixmodule.c undefines the process-control calls it hard-defines past pyconfig.h when building for iOS. macOS (ctest python.embed: every builtin imports, codecs and pickle work off the vendored Lib/), Android arm64 and iOS arm64 build. Linux needs a Linux host and Windows needs a MinGW-vs-MSVC decision; both are noted for step 4. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
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/* Support for dynamic loading of extension modules */
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#define INCL_DOSERRORS
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#define INCL_DOSMODULEMGR
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#include <os2.h>
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#include "Python.h"
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#include "importdl.h"
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const struct filedescr _PyImport_DynLoadFiletab[] = {
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{".pyd", "rb", C_EXTENSION},
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{".dll", "rb", C_EXTENSION},
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{0, 0}
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};
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dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
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const char *pathname, FILE *fp)
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{
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dl_funcptr p;
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APIRET rc;
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HMODULE hDLL;
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char failreason[256];
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char funcname[258];
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rc = DosLoadModule(failreason,
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sizeof(failreason),
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pathname,
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&hDLL);
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if (rc != NO_ERROR) {
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char errBuf[256];
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PyOS_snprintf(errBuf, sizeof(errBuf),
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"DLL load failed, rc = %d: %.200s",
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rc, failreason);
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PyErr_SetString(PyExc_ImportError, errBuf);
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return NULL;
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}
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PyOS_snprintf(funcname, sizeof(funcname), "init%.200s", shortname);
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rc = DosQueryProcAddr(hDLL, 0L, funcname, &p);
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if (rc != NO_ERROR)
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p = NULL; /* Signify Failure to Acquire Entrypoint */
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return p;
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}
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