From ac584a4c61259908bf5c047691137f51f71faa95 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Feb 25 2019 06:27:37 +0000
Subject: project: static linking: dlfake: initial commit.


---

diff --git a/project/extras.mk b/project/extras.mk
index 12fe21f..978dc74 100644
--- a/project/extras.mk
+++ b/project/extras.mk
@@ -23,6 +23,13 @@ LDFLAGS_CONFIG  += -Wl,-rpath -Wl,$(LIBDIR)
 ifeq ($(ALL_STATIC),yes)
 	CFLAGS_STATIC	+= -DPY_ALL_STATIC
 
+	CFLAGS_STATIC	+= -I$(PROJECT_DIR)/wrappers/dlfcn
+	CFLAGS_STATIC	+= --include=dlfake.h
+
+	DLFAKE_SRCS	+= $(PROJECT_DIR)/wrappers/dlfcn/dlfake.c
+	DLFAKE_OBJS	+= core/Objects/dlfake.o
+	STATIC_OBJS	+= $(DLFAKE_OBJS)
+
 	LDFLAGS_STATIC	+= $(PYEXT_STATIC)
 
 	LDFLAGS_STATIC	+= $(LDFLAGS_PYEXT_STATIC)
@@ -38,6 +45,10 @@ else
 	CFLAGS_CONFIG	+= -DHAVE_DYNAMIC_LOADING -DSOABI=\"$(PYTHON_SOABI)\"
 endif
 
+# dlfake
+core/Objects/dlfake.o: $(DLFAKE_SRCS) $(ALL_HEADERS) host.tag tree.tag config.tag
+		$(CC) -c -o $@ $< $(CFLAGS_STATIC)
+
 # extension objects
 pyext/obj/%.lo:	$(SOURCE_DIR)/Modules/%.c $(ALL_HEADERS) host.tag tree.tag config.tag
 		$(CC) -c -o $@ $< $(CFLAGS_SHARED)
diff --git a/project/headers.mk b/project/headers.mk
index a275e50..7078ecf 100644
--- a/project/headers.mk
+++ b/project/headers.mk
@@ -1,3 +1,5 @@
 ifneq ($(PYTHON_MAJOR),)
 include $(PROJECT_DIR)/project/variants/$(PYTHON_MAJOR).$(PYTHON_MINOR).$(PYTHON_MICRO)/headers.mk
 endif
+
+INTERNAL_HEADERS += $(PROJECT_DIR)/wrappers/dlfcn/dlfake.h
diff --git a/wrappers/dlfcn/dlfake.c b/wrappers/dlfcn/dlfake.c
new file mode 100644
index 0000000..d347bf0
--- /dev/null
+++ b/wrappers/dlfcn/dlfake.c
@@ -0,0 +1,42 @@
+#include "dlfake.h"
+#include "linkage/inittab.h"
+
+extern struct _inittab _PyImport_Inittab[];
+
+void * dlfake_dlopen(const char * name, int mode)
+{
+	struct _inittab * pyext;
+
+	if (!name)
+		return _PyImport_Inittab;
+
+	for (pyext=_PyImport_Inittab; pyext->name; pyext++)
+		if (!strcmp(name,pyext->name))
+			return _PyImport_Inittab;
+
+	return 0;
+}
+
+int dlfake_dlclose(void * handle)
+{
+	return -1;
+}
+
+void * dlfake_dlsym(void * handle, const char * sym)
+{
+	return 0;
+}
+
+static const char dlfake_errstr[] =
+	"dlfake_dlerror(): "
+	"not implemented";
+
+char * dlfake_dlerror(void)
+{
+	return (char *)dlfake_errstr;
+}
+
+int dlfake_dladdr(const void * addr, void * info)
+{
+	return 0;
+}
diff --git a/wrappers/dlfcn/dlfake.h b/wrappers/dlfcn/dlfake.h
new file mode 100644
index 0000000..87ccab7
--- /dev/null
+++ b/wrappers/dlfcn/dlfake.h
@@ -0,0 +1,30 @@
+#ifndef _CTYPES_DLFCN_H_
+#define _CTYPES_DLFCN_H_
+
+#ifndef PY_ALL_STATIC
+#error  something went wrong
+#endif
+
+#include <dlfcn.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void *  dlfake_dlopen(const char *, int);
+int     dlfake_dlclose(void *);
+void *  dlfake_dlsym(void *, const char *);
+char *  dlfake_dlerror(void);
+int     dlfake_dladdr(const void *, void *);
+
+#define ctypes_dlopen  dlfake_dlopen
+#define ctypes_dlclose dlfake_dlclose
+#define ctypes_dlsym   dlfake_dlsym
+#define ctypes_dladdr  dlfake_dladdr
+#define ctypes_dlerror dlfake_dlerror
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif