generic/utilities/config.h.in

/*
	This file will be processed by SCons and output as config.h.
	Don't edit this file unless it's named 'config.h.in' unless
	it doesn't bother you that your changes will be IGNORED!

	DUAL SUPPORT FOR BOTH AUTOTOOLS AND SCONS

	When I add a new flag to SCons, I will use the form (replace \ by /):

		\* #define FLAGNAME @FLAGNAME@ *\

	Using SCons, I can uncomment these lines using text-substitution.
	If you want to add support for these flags in your autotools build
	you just need to uncomment these lines; no changes to the SCons build
	will be necessary (as it will also hunt for @FLAGNAME@ in its
	text-subst.

	@NOTE
	This file should NEVER contain any #include statements! It is important
	that the configuration can be determined without any other headers being
	loaded and muddying the waters.
	@ENDNOTE
*/
#ifndef ASC_CONFIG_H
#define ASC_CONFIG_H

/**
	Turn off the use of signals completely if you want. Signals are used to
	interrupt solvers, catch floating point errors (but check that you have the
	C99 FPE behaviour working correctly if this applied) and also to catch
	segmentation faults (no sure how well that's implemented.

	Concerns over strange behaviour in mixed-language environments such as
	Python and/or Tcl make avoiding use of traps often quite a good idea.
*/
#ifndef ASC_SIGNAL_TRAPS
/* #define ASC_SIGNAL_TRAPS @ASC_SIGNAL_TRAPS@ */
#endif

/**
	If signal handlers (<signal.h>) on this platform need to be reset after
	each 'catch', the ASC_RESETNEEDED macro should be set true.
*/
#ifndef ASC_RESETNEEDED
/* #define ASC_RESETNEEDED @ASC_RESETNEEDED@ */
#endif

/**
	If we have C99 FPE (floating point error) routines available on this
	platform/compiler.
*/
#ifndef HAVE_C99FPE
/* #define HAVE_C99FPE @HAVE_C99FPE@ */
#endif

/**
	If we have IEEE math library include 'isnan' etc.
*/
#ifndef HAVE_IEEE
/* #define HAVE_IEEE @HAVE_IEEE@ */
#endif

/**
	Prefix for 'external libraries' loaded using the 'extlib' importhandler
*/
#define ASC_EXTLIBPREFIX "@EXTLIB_PREFIX@"

/**
	Suffix for shared libraries
*/
#define ASC_EXTLIBSUFFIX "@EXTLIB_SUFFIX@"

/**
	Prefix and suffix for standard system libraries on this platform
*/
#define ASC_SHLIBPREFIX "@SHLIBPREFIX@"
#define ASC_SHLIBSUFFIX "@SHLIBSUFFIX@"

/*
	This variable determines how ASCEND goes about finding all its stuff at runtime,
	assuming the ASCENDDIST environment variable is *not* present.

	ASCENDDIST is where Python, Tcl/Tk and model scripts, as well as graphics etc are
	kept in the filesystem. Normally it is expected that ASCEND should be able to
	know or work out this location itself.

	If ASC_ABSOLUTE_PATHS is defined, ASCEND will used a fixed absolute path to locate
	its data files. This is the standard Red Hat and Debian system, in which
	binaries are typically located in /usr/bin but related non-exe files are located
	in /usr/share/appname/. See ASC_DATADIR in this case.

	If not defined, ASCEND will locate its data files using a relative path based on
	the location of the running executable. See ASC_DISTDIR_REL_BIN. This is the
	'application folder' style made popular on early Macs, and also favoured by CMU.

	For a discussion of this, see
	http://linux.slashdot.org/article.pl?sid=04/04/03/174249

	At present, the only place this has any effect is in the Tcl/Tk
	interface, in Driver.c's choices for default values of non-specified
	environment variables. @TODO migrate this to Python as well.

	SCons will uncomment the #define line if required.
	Doing it this (hacky) way so as not to mess up autoconf.

	Note: do not use ASC_ABSOLUTE_PATHS on Windows. Absolute paths mess up the
	ability of the installer to relocate files at install-time.
*/
#ifndef ASC_ABSOLUTE_PATHS
/* #define ASC_ABSOLUTE_PATHS @ASC_ABSOLUTE_PATHS@ */
#endif

/*
	See ASC_ABSOLUTE_PATHS above. ASC_DATADIR is the default value of ASCCENDDIST
	in the case of ASC_ABSOLUTE_PATHS.
*/
#define ASC_DATADIR "@INSTALL_ASCDATA@"

/*
  See ASC_ABSOLUTE_PATHS above. In the case of relative paths, ASCENDDIST is
  derived from ASC_DISTDIR_REL_BIN: this path is suffixed to the name of
  the directory in which the currently-running executable is located. Depending
  on how you are installing ASCEND, sensible values are likely to be
  either '..' or '../share/ascend'.

  Only applies when ASC_ABSOLUTE_PATHS is *not* defined.
*/
#define ASC_DISTDIR_REL_BIN "@ASC_DISTDIR_REL_BIN@"

/*
	This is the default location of the tcl/tk scripts. Environment
	variables (dollar sign followed by uppercase letters)
	will be expanded at runtime, so a good value for example is

	$ASCENDDIST/TK
*/
#define ASC_ENV_TK_DEFAULT "@ASC_ENV_TK_DEFAULT@"


/*
	Whether to use xterm colours when writing 'error.h' output, eg
	'ERROR' in red, etc. If not defined, colour will never be used.
	If defined, colour will be used any time the the TERM environment
	variable is set to 'xterm' or 'msys'. MSYS uses the 'rxvt' console,
	which knows about xterm colour codes.

	SCons will uncomment the #define line if required.
	Doing it this (hacky) way so as not to mess up autoconf.
*/
#ifndef ASC_XTERM_COLORS
/* #define ASC_XTERM_COLORS @ASC_XTERM_COLORS@ */
#endif

/*
	Whether to do use testing malloc. Required for some of the CUnit
	tests to work fully.

	SCons will uncomment the #define line if required.
	Doing it this (hacky) way so as not to mess up autoconf.
*/
#ifndef MALLOC_DEBUG
/* #define MALLOC_DEBUG @MALLOC_DEBUG@ */
#endif

/*
	Whether the dmalloc library was detected. Should permit much reduced
	complexity in ascMalloc.c, hopefully.

	SCons will uncomment the #define line if required.
	Doing it this (hacky) way so as not to mess up autoconf.
*/
#ifndef ASC_WITH_DMALLOC
/* #define ASC_WITH_DMALLOC @ASC_WITH_DMALLOC@ */
#endif

/*-----------------------------------------------------------------------
  IDA
*/

/*
	Whether to compile with support for the IDA DAE solver.

	Note that this option is automatically configured based on the value of
	WITH_SOLVERS in the SCons options.

	SCons will uncomment the #define line if required.
	Doing it this (hacky) way so as not to mess up autoconf.
*/
#ifndef ASC_WITH_IDA
/* #define ASC_WITH_IDA @ASC_WITH_IDA@ */
#endif

/*-----------------------------------------------------------------------
  CONOPT
*/

/*
	Whether to compile with support for the CONOPT solver.

	Note that this option is automatically configured based on the value of
	WITH_SOLVERS in the SCons options.

	SCons will uncomment the #define line if required.
	Doing it this (hacky) way so as not to mess up autoconf.
*/
#ifndef ASC_WITH_CONOPT
/* #define ASC_WITH_CONOPT @ASC_WITH_CONOPT@ */
#endif

/*
	Whether to dynamically link to CONOPT. If we don't dynamically link to
	conopt, it is assumed that we are dlopening CONOPT, which means
	that we don't need it to be present at buildtime.

	SCons will uncomment the #define line if required.
	Doing it this (hacky) way so as not to mess up autoconf.
*/
#ifndef ASC_LINKED_CONOPT
/* #define ASC_LINKED_CONOPT @ASC_LINKED_CONOPT@ */
#endif

/*
	This is the name of the CONOPT .so or DLL. On Windows
	it's called 'copopt3' but on linux it seems to be called
	'consub3.so'.
*/
#define ASC_CONOPT_LIB "@ASC_CONOPT_LIB@"

/*
	This is the name of the optional environment variable which will
	be used for the value of the searchpath for the CONOPT DLL/SO.
*/
#define ASC_CONOPT_ENVVAR "@ASC_CONOPT_ENVVAR@"

/*
	This is the default *fallback* searchpath that will be used when hunting
	for CONOPT at runtime

	Searchpath for CONOPT DLL/SO. This is in platform-specific
	form (paths with ';' separator in Windows, ':' separator on Linux).
*/
#define ASC_CONOPT_DLPATH "@ASC_CONOPT_DLPATH@"

/*-----------------------------------------------------------------------
  TRON
*/

/*
	This is the name of the TRON .so or DLL. On Windows
	it's called 'copopt3' but on linux it seems to be called
	'consub3.so'.
*/
#define ASC_TRON_LIB "@ASC_TRON_LIB@"

/*
	This is the name of the optional environment variable which will
	be used for the value of the searchpath for the TRON DLL/SO.
*/
#define ASC_TRON_ENVVAR "@ASC_TRON_ENVVAR@"

/*
	This is the default *fallback* searchpath that will be used when hunting
	for TRON at runtime

	Searchpath for TRON DLL/SO. This is in platform-specific
	form (paths with ';' separator in Windows, ':' separator on Linux).
*/
#define ASC_TRON_DLPATH "@ASC_TRON_DLPATH@"

/*-------------------------------------------------------------------------
  LSODE
*/

/*
	Whether to compile with support for the LSODE integration engine.
	Note that you will usually need to manually specify the location of your
	'libg2c.a' in the link step, see F2C_* Scons options.

	Note that this option is automatically configured based on the value of
	WITH_SOLVERS in the SCons options.

	SCons will uncomment the #define line if required.
	Doing it this (hacky) way so as not to mess up autoconf.
*/
#ifndef ASC_WITH_LSODE
/* #define ASC_WITH_LSODE @ASC_WITH_LSODE@ */
#endif

/*--------------------------------------------------------------------------
  MATRIX MARKET EXPORT
*/

/*
	Whether to provide export functions using the Matrix Market format
	(from Integrator, perhaps elsewhere)
*/
#ifndef ASC_WITH_MMIO
/* #define ASC_WITH_MMIO @ASC_WITH_MMIO@ */
#endif

/*--------------------------------------------------------------------------
  UFSPARSE sparse matrix library
*/

/*
	Whether to provide additional matrix functionality from the UFSPARSE
	library (CXSparse in particular)
*/
#ifndef ASC_WITH_UFSPARSE
/* #define ASC_WITH_UFSPARSE @ASC_WITH_UFSPARSE@ */
#endif

/*--------------------------------------------------------------------------
  ENV VAR
*/

/*
	The following are the environment variables ASCEND requires.
	If the user does not have the ASC_ENV_DIST set in his or her
	environment, a default value is set based on the directory where the
	ascend binary lives.  The other environment variables will be set
	to default values keyed off of ASC_ENV_DIST.  See the function
	CheckEnvironmentVars later in this file for the details.
 */
#define ASC_ENV_DIST    "ASCENDDIST"
#define ASC_ENV_TK      "ASCENDTK"
#define ASC_ENV_BITMAPS "ASCENDBITMAPS"
#define ASC_ENV_LIBRARY "ASCENDLIBRARY"

/**
	The name of the environment variable containing a list' of paths
	to search when trying to open a module.  The list is in the style
	of the native OS: colon-separated on UNIX and semicolon separated
	under Windows.
*/
#define ASC_ENV_SOLVERS "ASCENDSOLVERS"

/*
	default values of the ASCENDLIBRARY and ASCENDSOLVERS variables
	that are used if the vars aren't present in the environment.
*/
#define ASC_DEFAULT_ASCENDLIBRARY "@DEFAULT_ASCENDLIBRARY@"
#define ASC_DEFAULT_ASCENDSOLVERS "@DEFAULT_ASCENDSOLVERS@"


#endif
1	/*
2	This file will be processed by SCons and output as config.h.
3	Don't edit this file unless it's named 'config.h.in' unless
4	it doesn't bother you that your changes will be IGNORED!
5
6	DUAL SUPPORT FOR BOTH AUTOTOOLS AND SCONS
7
8	When I add a new flag to SCons, I will use the form (replace \ by /):
9
10	\* #define FLAGNAME @FLAGNAME@ *\
11
12	Using SCons, I can uncomment these lines using text-substitution.
13	If you want to add support for these flags in your autotools build
14	you just need to uncomment these lines; no changes to the SCons build
15	will be necessary (as it will also hunt for @FLAGNAME@ in its
16	text-subst.
17
18	@NOTE
19	This file should NEVER contain any #include statements! It is important
20	that the configuration can be determined without any other headers being
21	loaded and muddying the waters.
22	@ENDNOTE
23	*/
24	#ifndef ASC_CONFIG_H
25	#define ASC_CONFIG_H
26
27	/**
28	Turn off the use of signals completely if you want. Signals are used to
29	interrupt solvers, catch floating point errors (but check that you have the
30	C99 FPE behaviour working correctly if this applied) and also to catch
31	segmentation faults (no sure how well that's implemented.
32
33	Concerns over strange behaviour in mixed-language environments such as
34	Python and/or Tcl make avoiding use of traps often quite a good idea.
35	*/
36	#ifndef ASC_SIGNAL_TRAPS
37	/* #define ASC_SIGNAL_TRAPS @ASC_SIGNAL_TRAPS@ */
38	#endif
39
40	/**
41	If signal handlers (<signal.h>) on this platform need to be reset after
42	each 'catch', the ASC_RESETNEEDED macro should be set true.
43	*/
44	#ifndef ASC_RESETNEEDED
45	/* #define ASC_RESETNEEDED @ASC_RESETNEEDED@ */
46	#endif
47
48	/**
49	If we have C99 FPE (floating point error) routines available on this
50	platform/compiler.
51	*/
52	#ifndef HAVE_C99FPE
53	/* #define HAVE_C99FPE @HAVE_C99FPE@ */
54	#endif
55
56	/**
57	If we have IEEE math library include 'isnan' etc.
58	*/
59	#ifndef HAVE_IEEE
60	/* #define HAVE_IEEE @HAVE_IEEE@ */
61	#endif
62
63	/**
64	Prefix for 'external libraries' loaded using the 'extlib' importhandler
65	*/
66	#define ASC_EXTLIBPREFIX "@EXTLIB_PREFIX@"
67
68	/**
69	Suffix for shared libraries
70	*/
71	#define ASC_EXTLIBSUFFIX "@EXTLIB_SUFFIX@"
72
73	/**
74	Prefix and suffix for standard system libraries on this platform
75	*/
76	#define ASC_SHLIBPREFIX "@SHLIBPREFIX@"
77	#define ASC_SHLIBSUFFIX "@SHLIBSUFFIX@"
78
79	/*
80	This variable determines how ASCEND goes about finding all its stuff at runtime,
81	assuming the ASCENDDIST environment variable is not present.
82
83	ASCENDDIST is where Python, Tcl/Tk and model scripts, as well as graphics etc are
84	kept in the filesystem. Normally it is expected that ASCEND should be able to
85	know or work out this location itself.
86
87	If ASC_ABSOLUTE_PATHS is defined, ASCEND will used a fixed absolute path to locate
88	its data files. This is the standard Red Hat and Debian system, in which
89	binaries are typically located in /usr/bin but related non-exe files are located
90	in /usr/share/appname/. See ASC_DATADIR in this case.
91
92	If not defined, ASCEND will locate its data files using a relative path based on
93	the location of the running executable. See ASC_DISTDIR_REL_BIN. This is the
94	'application folder' style made popular on early Macs, and also favoured by CMU.
95
96	For a discussion of this, see
97	http://linux.slashdot.org/article.pl?sid=04/04/03/174249
98
99	At present, the only place this has any effect is in the Tcl/Tk
100	interface, in Driver.c's choices for default values of non-specified
101	environment variables. @TODO migrate this to Python as well.
102
103	SCons will uncomment the #define line if required.
104	Doing it this (hacky) way so as not to mess up autoconf.
105
106	Note: do not use ASC_ABSOLUTE_PATHS on Windows. Absolute paths mess up the
107	ability of the installer to relocate files at install-time.
108	*/
109	#ifndef ASC_ABSOLUTE_PATHS
110	/* #define ASC_ABSOLUTE_PATHS @ASC_ABSOLUTE_PATHS@ */
111	#endif
112
113	/*
114	See ASC_ABSOLUTE_PATHS above. ASC_DATADIR is the default value of ASCCENDDIST
115	in the case of ASC_ABSOLUTE_PATHS.
116	*/
117	#define ASC_DATADIR "@INSTALL_ASCDATA@"
118
119	/*
120	See ASC_ABSOLUTE_PATHS above. In the case of relative paths, ASCENDDIST is
121	derived from ASC_DISTDIR_REL_BIN: this path is suffixed to the name of
122	the directory in which the currently-running executable is located. Depending
123	on how you are installing ASCEND, sensible values are likely to be
124	either '..' or '../share/ascend'.
125
126	Only applies when ASC_ABSOLUTE_PATHS is not defined.
127	*/
128	#define ASC_DISTDIR_REL_BIN "@ASC_DISTDIR_REL_BIN@"
129
130	/*
131	This is the default location of the tcl/tk scripts. Environment
132	variables (dollar sign followed by uppercase letters)
133	will be expanded at runtime, so a good value for example is
134
135	$ASCENDDIST/TK
136	*/
137	#define ASC_ENV_TK_DEFAULT "@ASC_ENV_TK_DEFAULT@"
138
139
140	/*
141	Whether to use xterm colours when writing 'error.h' output, eg
142	'ERROR' in red, etc. If not defined, colour will never be used.
143	If defined, colour will be used any time the the TERM environment
144	variable is set to 'xterm' or 'msys'. MSYS uses the 'rxvt' console,
145	which knows about xterm colour codes.
146
147	SCons will uncomment the #define line if required.
148	Doing it this (hacky) way so as not to mess up autoconf.
149	*/
150	#ifndef ASC_XTERM_COLORS
151	/* #define ASC_XTERM_COLORS @ASC_XTERM_COLORS@ */
152	#endif
153
154	/*
155	Whether to do use testing malloc. Required for some of the CUnit
156	tests to work fully.
157
158	SCons will uncomment the #define line if required.
159	Doing it this (hacky) way so as not to mess up autoconf.
160	*/
161	#ifndef MALLOC_DEBUG
162	/* #define MALLOC_DEBUG @MALLOC_DEBUG@ */
163	#endif
164
165	/*
166	Whether the dmalloc library was detected. Should permit much reduced
167	complexity in ascMalloc.c, hopefully.
168
169	SCons will uncomment the #define line if required.
170	Doing it this (hacky) way so as not to mess up autoconf.
171	*/
172	#ifndef ASC_WITH_DMALLOC
173	/* #define ASC_WITH_DMALLOC @ASC_WITH_DMALLOC@ */
174	#endif
175
176	/*-----------------------------------------------------------------------
177	IDA
178	*/
179
180	/*
181	Whether to compile with support for the IDA DAE solver.
182
183	Note that this option is automatically configured based on the value of
184	WITH_SOLVERS in the SCons options.
185
186	SCons will uncomment the #define line if required.
187	Doing it this (hacky) way so as not to mess up autoconf.
188	*/
189	#ifndef ASC_WITH_IDA
190	/* #define ASC_WITH_IDA @ASC_WITH_IDA@ */
191	#endif
192
193	/*-----------------------------------------------------------------------
194	CONOPT
195	*/
196
197	/*
198	Whether to compile with support for the CONOPT solver.
199
200	Note that this option is automatically configured based on the value of
201	WITH_SOLVERS in the SCons options.
202
203	SCons will uncomment the #define line if required.
204	Doing it this (hacky) way so as not to mess up autoconf.
205	*/
206	#ifndef ASC_WITH_CONOPT
207	/* #define ASC_WITH_CONOPT @ASC_WITH_CONOPT@ */
208	#endif
209
210	/*
211	Whether to dynamically link to CONOPT. If we don't dynamically link to
212	conopt, it is assumed that we are dlopening CONOPT, which means
213	that we don't need it to be present at buildtime.
214
215	SCons will uncomment the #define line if required.
216	Doing it this (hacky) way so as not to mess up autoconf.
217	*/
218	#ifndef ASC_LINKED_CONOPT
219	/* #define ASC_LINKED_CONOPT @ASC_LINKED_CONOPT@ */
220	#endif
221
222	/*
223	This is the name of the CONOPT .so or DLL. On Windows
224	it's called 'copopt3' but on linux it seems to be called
225	'consub3.so'.
226	*/
227	#define ASC_CONOPT_LIB "@ASC_CONOPT_LIB@"
228
229	/*
230	This is the name of the optional environment variable which will
231	be used for the value of the searchpath for the CONOPT DLL/SO.
232	*/
233	#define ASC_CONOPT_ENVVAR "@ASC_CONOPT_ENVVAR@"
234
235	/*
236	This is the default fallback searchpath that will be used when hunting
237	for CONOPT at runtime
238
239	Searchpath for CONOPT DLL/SO. This is in platform-specific
240	form (paths with ';' separator in Windows, ':' separator on Linux).
241	*/
242	#define ASC_CONOPT_DLPATH "@ASC_CONOPT_DLPATH@"
243
244	/*-----------------------------------------------------------------------
245	TRON
246	*/
247
248	/*
249	This is the name of the TRON .so or DLL. On Windows
250	it's called 'copopt3' but on linux it seems to be called
251	'consub3.so'.
252	*/
253	#define ASC_TRON_LIB "@ASC_TRON_LIB@"
254
255	/*
256	This is the name of the optional environment variable which will
257	be used for the value of the searchpath for the TRON DLL/SO.
258	*/
259	#define ASC_TRON_ENVVAR "@ASC_TRON_ENVVAR@"
260
261	/*
262	This is the default fallback searchpath that will be used when hunting
263	for TRON at runtime
264
265	Searchpath for TRON DLL/SO. This is in platform-specific
266	form (paths with ';' separator in Windows, ':' separator on Linux).
267	*/
268	#define ASC_TRON_DLPATH "@ASC_TRON_DLPATH@"
269
270	/*-------------------------------------------------------------------------
271	LSODE
272	*/
273
274	/*
275	Whether to compile with support for the LSODE integration engine.
276	Note that you will usually need to manually specify the location of your
277	'libg2c.a' in the link step, see F2C_* Scons options.
278
279	Note that this option is automatically configured based on the value of
280	WITH_SOLVERS in the SCons options.
281
282	SCons will uncomment the #define line if required.
283	Doing it this (hacky) way so as not to mess up autoconf.
284	*/
285	#ifndef ASC_WITH_LSODE
286	/* #define ASC_WITH_LSODE @ASC_WITH_LSODE@ */
287	#endif
288
289	/*--------------------------------------------------------------------------
290	MATRIX MARKET EXPORT
291	*/
292
293	/*
294	Whether to provide export functions using the Matrix Market format
295	(from Integrator, perhaps elsewhere)
296	*/
297	#ifndef ASC_WITH_MMIO
298	/* #define ASC_WITH_MMIO @ASC_WITH_MMIO@ */
299	#endif
300
301	/*--------------------------------------------------------------------------
302	UFSPARSE sparse matrix library
303	*/
304
305	/*
306	Whether to provide additional matrix functionality from the UFSPARSE
307	library (CXSparse in particular)
308	*/
309	#ifndef ASC_WITH_UFSPARSE
310	/* #define ASC_WITH_UFSPARSE @ASC_WITH_UFSPARSE@ */
311	#endif
312
313	/*--------------------------------------------------------------------------
314	ENV VAR
315	*/
316
317	/*
318	The following are the environment variables ASCEND requires.
319	If the user does not have the ASC_ENV_DIST set in his or her
320	environment, a default value is set based on the directory where the
321	ascend binary lives. The other environment variables will be set
322	to default values keyed off of ASC_ENV_DIST. See the function
323	CheckEnvironmentVars later in this file for the details.
324	*/
325	#define ASC_ENV_DIST "ASCENDDIST"
326	#define ASC_ENV_TK "ASCENDTK"
327	#define ASC_ENV_BITMAPS "ASCENDBITMAPS"
328	#define ASC_ENV_LIBRARY "ASCENDLIBRARY"
329
330	/**
331	The name of the environment variable containing a list' of paths
332	to search when trying to open a module. The list is in the style
333	of the native OS: colon-separated on UNIX and semicolon separated
334	under Windows.
335	*/
336	#define ASC_ENV_SOLVERS "ASCENDSOLVERS"
337
338	/*
339	default values of the ASCENDLIBRARY and ASCENDSOLVERS variables
340	that are used if the vars aren't present in the environment.
341	*/
342	#define ASC_DEFAULT_ASCENDLIBRARY "@DEFAULT_ASCENDLIBRARY@"
343	#define ASC_DEFAULT_ASCENDSOLVERS "@DEFAULT_ASCENDSOLVERS@"
344
345
346	#endif