Create and populate OS/2 EMX port build directory:

  PC/os2emx/
    Makefile
    README.os2emx
    config.c
    dlfcn.c            // libdl emulation code for loadable extensions
    dlfcn.h
    dllentry.c         // DLL initialisation routine for Python DLL
    getpath.c
    pyconfig.h
    python23.def       // Python DLL symbol export definitions
    pythonpm.c         // console-less PM interpreter wrapper

1 files changed, 54 insertions, 0 deletions

diff --git a/PC/os2emx/dllentry.c b/PC/os2emx/dllentry.c
new file mode 100644
index 0000000000..511c3d9679
--- /dev/null
+++ b/PC/os2emx/dllentry.c
@@ -0,0 +1,54 @@
+/*
+    This is the entry point for Python DLL(s).
+    It also provides an getenv() function that works from within DLLs.
+*/
+
+#define NULL 0
+
+/* Make references to imported symbols to pull them from static library */
+#define REF(s)	extern void s (); void *____ref_##s = &s;
+
+REF (Py_Main);
+
+#if defined (__EMX__)
+
+#include <signal.h>
+
+extern int _CRT_init (void);
+extern void _CRT_term (void);
+extern void __ctordtorInit (void);
+extern void __ctordtorTerm (void);
+
+unsigned long _DLL_InitTerm (unsigned long mod_handle, unsigned long flag)
+{
+  switch (flag)
+  {
+    case 0:
+      if (_CRT_init ()) return 0;
+      __ctordtorInit ();
+      /* Ignore fatal signals */
+      signal (SIGSEGV, SIG_IGN);
+      signal (SIGFPE, SIG_IGN);
+      return 1;
+    case 1:
+      __ctordtorTerm ();
+      _CRT_term ();
+      return 1;
+    default:
+      return 0;
+  }
+}
+
+#endif
+
+/* A version of getenv() that works from DLLs */
+extern int DosScanEnv (const char *pszName, char **ppszValue);
+
+char *getenv (const char *name)
+{
+  char *value;
+  if (DosScanEnv (name, &value))
+    return NULL;
+  else
+    return value;
+}