Blame project/pyexts.c

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/*******************************************************************/
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/*  bpython2: external configurable build project for Python-2.7.  */
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/*  Copyright (C) 2018  Z. Gilboa                                  */
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/*  Released under the Standard MIT License; see COPYING.BPYTHON2. */
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/*******************************************************************/
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/*******************************************************************/
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/* pyexts.c: a simple development-time utility for generating      */
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/* make rules for python's extension modules. The utility is       */
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/* included with the bpython2 project for reference only.          */
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/*                                                                 */
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/* cc -std=c99 -D_XOPEN_SOURCE=700 pyexts.c                        */
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/*******************************************************************/
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#include <stdio.h>
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#include <string.h>
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#define PYEXT_LIST(...)                   (const char *[]){__VA_ARGS__,0}
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#define PYEXT_SIMPLE(name,...)            {name,PYEXT_LIST(__VA_ARGS__),0,0,0,0}
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#define PYEXT_COMMON(name,hvar,lvar,...)  {name,PYEXT_LIST(__VA_ARGS__), \
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                                           PYEXT_LIST(hvar),0,           \
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                                           PYEXT_LIST(lvar),0}
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#define PYEXT_ALTSTD(name,cstd,...)       {name,PYEXT_LIST(__VA_ARGS__), \
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                                           0,PYEXT_LIST(cstd),0,0}
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struct pyext_meta {
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	const char *	name;
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	const char **	srcs;
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	const char **	hdrs;
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	const char **	cstd;
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	const char **	vars;
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	const char **	deps;
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};
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static const struct pyext_meta pyexts[] = {
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	PYEXT_SIMPLE("_multibytecodec","cjkcodecs/multibytecodec"),
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	PYEXT_SIMPLE("_codecs_cn",     "cjkcodecs/_codecs_cn"),
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	PYEXT_SIMPLE("_codecs_hk",     "cjkcodecs/_codecs_hk"),
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	PYEXT_SIMPLE("_codecs_jp",     "cjkcodecs/_codecs_jp"),
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	PYEXT_SIMPLE("_codecs_kr",     "cjkcodecs/_codecs_kr"),
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	PYEXT_SIMPLE("_codecs_tw",     "cjkcodecs/_codecs_tw"),
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	PYEXT_SIMPLE("_codecs_iso2022","cjkcodecs/_codecs_iso2022"),
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	PYEXT_SIMPLE("_bisect",        "_bisectmodule"),
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	PYEXT_SIMPLE("_collections",   "_collectionsmodule"),
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	PYEXT_SIMPLE("_csv",           "_csv"),
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	PYEXT_SIMPLE("_ctypes_test",   "_ctypes/_ctypes_test"),
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	PYEXT_SIMPLE("_functools",     "_functoolsmodule"),
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	PYEXT_SIMPLE("_heapq",         "_heapqmodule"),
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	PYEXT_SIMPLE("_hotshot",       "_hotshot"),
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	PYEXT_SIMPLE("_json",          "_json"),
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	PYEXT_SIMPLE("_locale",        "_localemodule"),
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	PYEXT_SIMPLE("_lsprof",        "_lsprof","rotatingtree"),
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	PYEXT_SIMPLE("_random",        "_randommodule"),
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	PYEXT_SIMPLE("_socket",        "socketmodule","timemodule"),
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	PYEXT_SIMPLE("_struct",        "_struct"),
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	PYEXT_SIMPLE("_testcapi",      "_testcapimodule"),
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	PYEXT_SIMPLE("array",          "arraymodule"),
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	PYEXT_SIMPLE("audioop",        "audioop"),
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	PYEXT_SIMPLE("binascii",       "binascii"),
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	PYEXT_SIMPLE("cPickle",        "cPickle"),
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	PYEXT_SIMPLE("cStringIO",      "cStringIO"),
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	PYEXT_SIMPLE("cmath",          "cmathmodule","_math"),
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	PYEXT_SIMPLE("crypt",          "cryptmodule"),
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	PYEXT_SIMPLE("datetime",       "datetimemodule","timemodule"),
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	PYEXT_SIMPLE("fcntl",          "fcntlmodule"),
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	PYEXT_SIMPLE("future_builtins","future_builtins"),
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	PYEXT_SIMPLE("grp",            "grpmodule"),
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	PYEXT_SIMPLE("itertools",      "itertoolsmodule"),
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	PYEXT_SIMPLE("math",           "mathmodule","_math"),
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	PYEXT_SIMPLE("mmap",           "mmapmodule"),
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	PYEXT_SIMPLE("operator",       "operator"),
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	PYEXT_SIMPLE("ossaudiodev",    "ossaudiodev"),
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	PYEXT_SIMPLE("parser",         "parsermodule"),
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	PYEXT_SIMPLE("resource",       "resource"),
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	PYEXT_SIMPLE("select",         "selectmodule"),
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	PYEXT_SIMPLE("spwd",           "spwdmodule"),
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	PYEXT_SIMPLE("strop",          "stropmodule"),
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	PYEXT_SIMPLE("syslog",         "syslogmodule"),
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	PYEXT_SIMPLE("termios",        "termios"),
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	PYEXT_SIMPLE("time",           "timemodule"),
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	PYEXT_SIMPLE("unicodedata",    "unicodedata"),
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	PYEXT_COMMON("_curses",        "$(CFLAGS_NCURSES)", "$(LDFLAGS_NCURSES)",  "_cursesmodule"),
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	PYEXT_COMMON("_curses_panel",  "$(CFLAGS_NCURSES)", "$(LDFLAGS_NCURSES)",  "_curses_panel"),
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	PYEXT_COMMON("_elementtree",   "-UVERSION",         "-lexpat",             "_elementtree"),
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	PYEXT_COMMON("_hashlib",       0,                   "-lssl -lcrypto",      "_hashopenssl"),
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	PYEXT_COMMON("_ssl",           0,                   "-lssl -lcrypto",      "_ssl"),
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	PYEXT_COMMON("bz2",            0,                   "-lbz2",               "bz2module"),
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	PYEXT_COMMON("gdbm",           0,                   "-lgdbm",              "gdbmmodule"),
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	PYEXT_COMMON("readline",       0,                   "-lreadline",          "readline"),
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	PYEXT_COMMON("pyexpat",        0,                   "-lexpat",             "pyexpat"),
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	PYEXT_COMMON("zlib",           0,                   "-lz",                 "zlibmodule"),
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	PYEXT_COMMON("_ctypes",0,"-lffi",
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	             "_ctypes/_ctypes",
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	             "_ctypes/callbacks",
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	             "_ctypes/callproc",
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	             "_ctypes/stgdict",
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	             "_ctypes/cfield"),
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	PYEXT_COMMON("_io",0,0,
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	             "_io/bufferedio",
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	             "_io/bytesio",
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	             "_io/fileio",
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	             "_io/iobase",
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	             "_io/_iomodule",
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	             "_io/stringio",
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	             "_io/textio"),
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	PYEXT_COMMON("_multiprocessing",0,0,
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	             "_multiprocessing/multiprocessing",
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	             "_multiprocessing/socket_connection",
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	             "_multiprocessing/semaphore"),
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	PYEXT_COMMON("_sqlite3",
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	             "$(CFLAGS_SQLITE)",
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	             "$(LDFLAGS_SQLITE)",
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	             "_sqlite/cache",
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	             "_sqlite/connection",
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	             "_sqlite/cursor",
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	             "_sqlite/microprotocols",
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	             "_sqlite/module",
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	             "_sqlite/prepare_protocol",
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	             "_sqlite/row",
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	             "_sqlite/statement",
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	             "_sqlite/util"),
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	PYEXT_COMMON("dbm",
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	             "$(CFLAGS_DBM)",
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	             "$(LDFLAGS_DBM)",
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	             "dbmmodule"),
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	PYEXT_ALTSTD("linuxaudiodev",
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	             "-std=gnu99",
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	             "linuxaudiodev"),
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	{0,0,0,0,0,0},
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};
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static void pyext_uppercase(char * buf, const char * name)
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{
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	const char *	src;
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	char *		dst;
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	src = name;
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	dst = buf;
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	for (; *src; )
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		*dst++ = ((*src >= 'a') && (*src <= 'z'))
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			? 'A' - 'a' + *src++ : *src++;
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	*dst = 0;
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}
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int main(void)
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{
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	const struct pyext_meta *	p;
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	size_t				nlen;
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	const char **			parg;
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	const char *			dtab;
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	const char *			otab;
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	const char *			htab;
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	const char *			stab;
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	const char *			ltab;
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	const char *			rtab;
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	const char *			vtab;
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	const char *			name;
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	char				uname[64];
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	for (p=pyexts; p->name; p++) {
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		/* init */
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		name = (p->name[0] == '_') ? &p->name[1] : p->name;
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		nlen = strlen(name);
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		pyext_uppercase(uname,name);
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		/* pretty */
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		dtab = (nlen <= 4)
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			? "\t\t\t"
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			: (nlen <= 12)
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				? "\t\t" : "\t";
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		otab = (nlen <= 3)
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			? "\t\t\t"
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			: (nlen <= 11)
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				? "\t\t" : "\t";
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		ltab = (nlen <= 2)
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			? "\t\t\t"
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			: (nlen <= 10)
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				? "\t\t" : "\t";
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		rtab = (nlen <= 1)
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			? "\t\t\t"
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			: (nlen <= 9)
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				? "\t\t" : "\t";
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		vtab = (nlen <= 6)
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			? "\t\t"
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			: (nlen <= 14)
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				? "\t" : "";
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		htab = (nlen <= 8)
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			? "\t\t" : "\t";
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		stab = (nlen <= 9)
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			? "\t\t" : "\t";
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		/* output */
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		printf("# %s\n",p->name);
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		for (parg=p->srcs; *parg; parg++)
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			printf("PYEXT_%s_SRCS%s+= "
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				"Modules/%s.c\n",
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				uname,dtab,*parg);
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		printf("\n");
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		printf("PYEXT_%s_LOBJS%s= $(PYEXT_%s_SRCS:.c=.lo)\n",uname,otab,uname);
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		printf("PYEXT_%s_OBJS%s= $(PYEXT_%s_SRCS:.c=.o)\n",uname,dtab,uname);
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		printf("\n");
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		for (parg=p->hdrs; parg && *parg; parg++)
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			printf("$(PYEXT_%s_LOBJS):%s"
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				"CFLAGS_CONFIG += %s\n",
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				uname,htab,*parg);
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		for (parg=p->hdrs; parg && *parg; parg++)
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			printf("$(PYEXT_%s_OBJS):%s"
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				"CFLAGS_CONFIG += %s\n",
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				uname,stab,*parg);
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		for (parg=p->cstd; parg && *parg; parg++)
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				printf("$(PYEXT_%s_LOBJS):%s"
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					"CFLAGS_LAST += %s\n",
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					uname,otab,*parg);
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		for (parg=p->cstd; parg && *parg; parg++)
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			printf("$(PYEXT_%s_OBJS):%s"
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				"CFLAGS_LAST += %s\n",
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				uname,dtab,*parg);
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		if (p->hdrs || p->cstd)
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			printf("\n");
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		printf("PYEXT_%s_SHARED%s= pyext/%s$(OS_LIB_SUFFIX)\n",uname,ltab,p->name);
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		printf("PYEXT_%s_STATIC%s= pyext/%s$(OS_ARCHIVE_EXT)\n",uname,ltab,p->name);
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		printf("\n");
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		for (parg=p->vars; parg && *parg; parg++)
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			printf("$(PYEXT_%s_SHARED):%s"
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				"LDFLAGS_DYNEXT += %s\n",
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				uname,vtab,*parg);
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		for (parg=p->deps; parg && *parg; parg++)
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			printf("$(PYEXT_%s_SHARED):%s%s\n",uname,vtab,*parg);
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		printf("$(PYEXT_%s_SHARED):%s$(PYEXT_%s_LOBJS)\n",uname,vtab,uname);
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		printf("$(PYEXT_%s_STATIC):%s$(PYEXT_%s_OBJS)\n",uname,vtab,uname);
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		printf("\n");
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		printf("pyext-%s-shared:%s$(PYEXT_%s_SHARED)\n",name,rtab,uname);
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		printf("pyext-%s-static:%s$(PYEXT_%s_STATIC)\n",name,rtab,uname);
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		printf("\n");
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		printf("pyext-%s-clean:\n",name);
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		printf("\trm -f $(PYEXT_%s_LOBJS)\n",uname);
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		printf("\trm -f $(PYEXT_%s_OBJS)\n",uname);
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		printf("\trm -f $(PYEXT_%s_SHARED)\n",uname);
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		printf("\trm -f $(PYEXT_%s_STATIC)\n",uname);
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		printf("\n");
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		printf("clean:\tpyext-%s-clean\n",name);
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		printf("\n");
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		printf(".PHONY:\tpyext-%s-shared\n",name);
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		printf(".PHONY:\tpyext-%s-static\n",name);
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		printf(".PHONY:\tpyext-%s-clean\n",name);
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		printf("\n\n");
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	}
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	return 0;
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}