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configure.in @ 986

Last change on this file since 986 was 816, checked in by liveletlive, 17 years ago
Committing the newer version of PGAPack.
File size: 16.5 KB

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1	#!/bin/sh
2	# This file is configure.
3	#
4	# Make all changes to configure.in, if at all possible. After changing,
5	# run "autoconf". If autoconf is not installed, then make changes to
6	# configure.
7	#
8	# Documentation on the autoconf program exists in GNU info file format.
9	# To read this, run emacs and type C-h i. Then press the down arrow
10	# until you come to the line beginning "* Autoconf:". Pressing enter on
11	# this line will bring up the documentaition.
12	#
13	# Type "configure" (i.e., no arguments) or read below for usage information.
14	#
15	print_error() {
16	echo "$*" 2>&1 ;
17	}
18
19	print_usage()
20	{
21	cat <<.
22	Usage: configure -arch ARCH_TYPE [-cc CC] [-f77 FC] [-debug] [-help]
23	[-cflags CFLAGS] [-fflags FFLAGS]
24	[-mpiinc MPI_INC_DIR -mpilib MPI_LIB]
25	where
26	ARCH_TYPE = the type of machine that PGAPack is to be configured for
27	CC = the name of the ANSI C compiler
28	FC = the name of the FORTRAN 77 compiler
29	CFLAGS = C compiler flags
30	FFLAGS = FORTRAN compiler flags
31	MPI_INC_DIR = the MPI include directory
32	MPI_LIB = the full path to the MPI library
33
34
35	Known architectures are:
36
37	Workstations
38	sun4 (SUN OS 4.x)
39	hpux (HP UX)
40	irix (Silicon Graphics IRIX)
41	alpha (DEC Alpha)
42	rs6000 (AIX for IBM RS6000)
43	next (NeXT 680x0)
44	freebsd (PC clones running FreeBSD)
45	linux (PC clones running LINUX)
46	generic (Generic 32-bit UNIX-like machine)
47
48	MPP's
49	powerchallenge (Silicon Graphics PowerChallenge)
50	challenge (Silicon Graphics Challenge)
51	t3d (Cray-T3D)
52	sp2 (IBM SP2)
53	paragon (Intel Paragon)
54	exemplar (Convex Exemplar)
55
56
57	In the absence of the -f77 or -cc options, configure assumes the name of
58	a FORTRAN 77 or ANSI C compiler based on the architecture type.
59
60	If the -debug flag is set, then PGAPack will be built for debugging. This
61	enables the extensive debugging options and datatype checks.
62
63	If both -mpiinc and -mpilib are missing, PGAPack is built using a non-parallel
64	"stub" library for all MPI calls.
65
66	The -help flag causes this usage guide to be printed.
67
68	Example 1:
69	----------
70	Configure and build for parallel operation on the sun4 architectue. MPI is
71	in /usr/local/mpi; the MPI library is /usr/local/mpi/lib/sun4/ch_p4/libmpi.a.
72
73	configure -arch sun4 -mpilib /usr/local/mpi/lib/sun4/ch_p4/libmpi.a \
74	-mpiinc /usr/local/mpi/include
75	make install
76
77	Example 2:
78	----------
79	Configure and build a debug sequential library on the rs6000 architecture.
80
81	configure -arch rs6000 -debug
82	make install
83	.
84	}
85
86	###############################################################################
87	# This section initializes the variables that will be used throughout
88	# the script.
89	###############################################################################
90	AC_INIT(source/pga.c)
91	ARCH="" # architecture type
92	PARALLEL=0 # parallel libray, or use stub routines?
93	OPTIMIZE=1 # optimized?
94	CPPFLAGS="" # flags to send to the C preprocessor
95	LDFLAGS="" # link flags
96	CFLAGS="" # flags to send to the C compiler
97	FFLAGS="" # flags to send to the FORTRAN compiler
98	PGA_DIR="`pwd`" # the root of the pgapack tree
99	PGA_DIR=`echo $PGA_DIR \| sed "s=tmp_mnt/=="` # get rid of 'tmp_mnt/'
100	HEADERS="$PGA_DIR/include/pgapack.h" # headers upon which pgapack depends
101	INCLUDES="-I$PGA_DIR/include" # directories where to search for include files
102	LIB_DIRS="" # directories where to search for libraries
103	LIBS="" # libraries with which to link
104	MPI_INC_DIR=""
105	MPI_LIB=""
106	SHELL="/usr/bin/sh"
107	RM="/bin/rm -f" # command to force removal of files
108
109	OBJS='$(PGA_LIB_DIR)/binary.o \\\
110	$(PGA_LIB_DIR)/char.o \\\
111	$(PGA_LIB_DIR)/cmdline.o \\\
112	$(PGA_LIB_DIR)/create.o \\\
113	$(PGA_LIB_DIR)/cross.o \\\
114	$(PGA_LIB_DIR)/debug.o \\\
115	$(PGA_LIB_DIR)/duplcate.o \\\
116	$(PGA_LIB_DIR)/evaluate.o \\\
117	$(PGA_LIB_DIR)/fitness.o \\\
118	$(PGA_LIB_DIR)/hamming.o \\\
119	$(PGA_LIB_DIR)/heap.o \\\
120	$(PGA_LIB_DIR)/integer.o \\\
121	$(PGA_LIB_DIR)/mutation.o \\\
122	$(PGA_LIB_DIR)/parallel.o \\\
123	$(PGA_LIB_DIR)/pga.o \\\
124	$(PGA_LIB_DIR)/pop.o \\\
125	$(PGA_LIB_DIR)/random.o \\\
126	$(PGA_LIB_DIR)/real.o \\\
127	$(PGA_LIB_DIR)/report.o \\\
128	$(PGA_LIB_DIR)/restart.o \\\
129	$(PGA_LIB_DIR)/select.o \\\
130	$(PGA_LIB_DIR)/stop.o \\\
131	$(PGA_LIB_DIR)/system.o \\\
132	$(PGA_LIB_DIR)/user.o \\\
133	$(PGA_LIB_DIR)/utility.o' # these are pgapack's object files
134
135	###############################################################################
136	# This section parse the command line options. There a two types of options:
137	# those that take arguments and those that don't. Parsing the case where an
138	# option takes an argument is a little tricky. This is how it works. Suppose
139	# that the program comes upon "-cc". Then we know that the next argument
140	# will be the name of the C compiler. Hence, we set the flag next_cc to be
141	# equal to "yes". The next time through the loop, it will be the case that
142	# x$next_cc equal "xyes" because $next_cc expands to "yes". Thus, we know that
143	# this argument is the name of the compiler and we assign it to USR_CC. Then
144	# we set next_cc back to a null string. This way on the next time through
145	# the loop x$next_cc will equal just "x". Since the shell initializes
146	# variables to null strings, we do not have to initialize the "next_" family
147	# of variables by hand.
148	###############################################################################
149	for arg
150	do
151	if test x$next_arch = xyes
152	then
153	ARCH=$arg
154	next_arch=
155	elif test x$next_mpiinc = xyes
156	then
157	MPI_INC_DIR=$arg
158	next_mpiinc=
159	elif test x$next_mpilib = xyes
160	then
161	MPI_LIB=$arg
162	next_mpilib=
163	elif test x$next_f77 = xyes
164	then
165	USR_FC=$arg
166	next_f77=
167	elif test x$next_cc = xyes
168	then
169	USR_CC=$arg
170	next_cc=
171	elif test x$next_cflags = xyes
172	then
173	CFLAGS="$arg $CFLAGS"
174	next_cflags=
175	elif test x$next_fflags = xyes
176	then
177	FFLAGS="$arg $FFLAGS"
178	next_fflags=
179	else
180	case $arg in
181	-arch)
182	next_arch=yes
183	;;
184	-f77)
185	next_f77=yes
186	;;
187	-cc)
188	next_cc=yes
189	;;
190	-mpiinc)
191	next_mpiinc=yes
192	PARALLEL=1
193	;;
194	-mpilib)
195	next_mpilib=yes
196	PARALLEL=1
197	;;
198	-debug)
199	OPTIMIZE=0
200	;;
201	-cflags)
202	next_cflags=yes
203	;;
204	-fflags)
205	next_fflags=yes
206	;;
207	-help)
208	print_usage >& 2
209	exit 1
210	;;
211	*)
212	;;
213	esac
214	fi
215	done
216
217	if test "$MPI_LIB" -a "$MPI_INC_DIR" ; then
218	if test ! -d "$MPI_INC_DIR" ; then
219	print_error "MPI_INC_DIR == $MPI_INC_DIR is not a valid directory!"
220	exit 1
221	fi
222	if test ! -f "$MPI_INC_DIR/mpi.h" ; then
223	print_error "Couldn't find $MPI_INC_DIR/mpi.h!"
224	exit 1
225	fi
226
227	if test ! -f "$MPI_LIB" ; then
228	print_error "MPI_LIB == $MPI_LIB is not a file!"
229	exit 1
230	fi
231
232	PARALLEL=1
233	else
234	PARALLEL=0
235	CPPFLAGS="-DFAKE_MPI $CPPFLAGS"
236	fi
237
238	if test $OPTIMIZE -eq 1 ; then
239	CPPFLAGS="-DOPTIMIZE $CPPFLAGS"
240	CFLAGS="-O $CFLAGS"
241	FFLAGS="-O $FFLAGS"
242	PGA_LIB="pgaO"
243	else
244	CFLAGS="-g $CFLAGS"
245	FFLAGS="-g $FFLAGS"
246	PGA_LIB="pgag"
247	fi
248
249
250	###############################################################################
251	# This section sets the default values of certain variables based upon the
252	# architecture type specified. If no architecture was specified, the script
253	# issues an error and aborts.
254	###############################################################################
255	if test -z "$ARCH"
256	then
257	print_error "You must specify the architecture with -arch <value>"
258	print_error "Valid architectures are the following:"
259	print_error " Workstations MPP's"
260	print_error " sun4 powerchallenge"
261	print_error " next challenge"
262	print_error " rs6000 t3d"
263	print_error " freebsd sp2"
264	print_error " irix paragon"
265	print_error " linux exemplar"
266	print_error " hpux"
267	print_error " alpha"
268	print_error " generic"
269	print_error ""
270	print_error "For more information type configure -help."
271	exit 1
272	fi
273
274	case $ARCH in
275	sun4)
276	CC=cc
277	FC=f77
278	CPPFLAGS="-DWL=32 -DFORTRANUNDERSCORE $CPPFLAGS"
279	;;
280	next)
281	CC=cc
282	FC=
283	CPPFLAGS="-DWL=32 -DFORTRANUNDERSCORE $CPPFLAGS"
284	;;
285	rs6000)
286	CC=cc
287	FC=f77
288	CPPFLAGS="-DWL=32 $CPPFLAGS"
289	;;
290	freebsd)
291	CC=cc
292	FC=f77
293	FFLAGS="-w"
294	CPPFLAGS="-DWL=32 -DFORTRANUNDERSCORE $CPPFLAGS"
295	;;
296	irix)
297	CC=cc
298	FC=f77
299	CPPFLAGS="-DWL=32 -DFORTRANUNDERSCORE $CPPFLAGS"
300	;;
301	alpha)
302	CC=cc
303	FC=f77
304	CPPFLAGS="-DWL=64 -DFORTRANUNDERSCORE $CPPFLAGS"
305	;;
306	hpux)
307	CC=cc
308	FC=f77
309	CPPFLAGS="-DWL=32 $CPPFLAGS"
310	SHELL=/bin/sh
311	;;
312	linux)
313	SHELL="/bin/sh"
314	CC=cc
315	FC=f77
316	FFLAGS="-w"
317	LDFLAGS="-s $LDFLAGS"
318	CPPFLAGS="-DWL=32 -DFORTRANUNDERSCORE $CPPFLAGS"
319	;;
320	t3d)
321	CC=/mpp/bin/cc
322	FC=/mpp/bin/cf77
323	CFLAGS="-T cray-t3d"
324	FFLAGS="-C cray-t3d -dp"
325	CPPFLAGS="-DWL=64 -DFORTRANCAP $CPPFLAGS"
326	SHELL=/bin/sh
327	;;
328	powerchallenge)
329	CC=cc
330	FC=f77
331	CFLAGS="-mips4 -fullwarn -64"
332	CPPFLAGS="-DWL=64 -DFORTRANUNDERSCORE $CPPFLAGS"
333	;;
334	challenge)
335	CC=cc
336	FC=f77
337	CFLAGS="-mips2 -fullwarn -32"
338	CPPFLAGS="-DWL=32 -DFORTRANUNDERSCORE $CPPFLAGS"
339	;;
340	paragon)
341	CC=cc
342	FC=f77
343	CFLAGS="-nx $CFLAGS"
344	FFLAGS="-nx $FFLAGS"
345	CPPFLAGS="-DWL=32 -DFORTRANUNDERSCORE $CPPFLAGS"
346	;;
347	sp2)
348	CC=cc
349	FC=f77
350	CPPFLAGS="-DWL=32 $CPPFLAGS"
351	;;
352	exemplar)
353	CC=cc
354	FC=fort77
355	FFLAGS="-L/usr/lib -lU77 $FFLAGS"
356	CPPFLAGS="-DWL=32 $CPPFLAGS"
357	SHELL=/bin/sh
358	;;
359	*)
360	CC=cc
361	FC=f77
362	CPPFLAGS="-DWL=32 $CPPFLAGS"
363	print_error "WARNING: Configuring for untested architecture. Using"
364	print_error " word size of 32 bits, cc and f77 as compilers."
365	print_error " You might have trouble with Fortran programs"
366	print_error " not linking correctly. Check the manual on"
367	print_error " the FORTRANUNDERSCORE #define."
368	;;
369	esac
370
371	###############################################################################
372	# This section sets the variables that do not relate to parallel code.
373	###############################################################################
374	CPPFLAGS="-D$ARCH $CPPFLAGS"
375	PGA_LIB_DIR="../lib/$ARCH"
376	LIB_DIRS="-L$PGA_DIR/lib/$ARCH $LIB_DIRS"
377	LIBS="-l$PGA_LIB $LIBS"
378
379	# Set output variable `RANLIB' to `ranlib' if `ranlib' is found,
380	# otherwise to `:' (do nothing).
381	AC_PROG_RANLIB()
382
383	# "Determine a C compiler to use. If `CC' is not already set in the
384	# environment, check for `gcc', and use `cc' if it's not found. Set
385	# output variable `CC' to the name of the compiler found.
386	#
387	# "If using the GNU C compiler, set shell variable `GCC' to `yes',
388	# empty otherwise. If output variable `CFLAGS' was not already set,
389	# set it to `-g -O' for the GNU C compiler (`-O' on systems where
390	# GCC does not accept `-g'), or `-g' for other compilers."
391	if test -n "$USR_CC"
392	then
393	CC=$USR_CC
394	else
395	AC_PROG_CC()
396	fi
397
398	# Check for each program in the whitespace-separated list
399	# PROGS-TO-CHECK-FOR exists in `PATH'. If it is found, set VARIABLE
400	# to the name of that program. Otherwise, continue checking the
401	# next program in the list. If none of the programs in the list are
402	# found, set VARIABLE to VALUE-IF-NOT-FOUND; if VALUE-IF-NOT-FOUND
403	# is not specified, the value of VARIABLE is not changed.
404	if test -n "$USR_FC"
405	then
406	FC=$USR_FC
407	else
408	AC_PROGRAMS_CHECK(FC, f77 fortran xlf gf77 mpxlf if77)
409	fi
410
411	# Originally had
412	# OBJS="$OBJS $(PGA_LIB_DIR)/f2c.o"
413	# However, freebsd bourne shell equates $(var) and `var`. Hence, I had
414	# to break the assignment up into two parts. $FORTWRAP is a Makefile
415	# dependency line defining how to compile f2c.c
416	if test -n "$FC"
417	then
418	TEMP='$(PGA_LIB_DIR)/f2c.o'
419	OBJS="$OBJS $TEMP"
420	FORTWRAP='$(PGA_LIB_DIR)/f2c.o: f2c.c $(HEADERS)\
421	$(COMPILE.c) f2c.c'
422	fi
423
424	if test ! -d lib
425	then
426	mkdir lib
427	fi
428
429	if test ! -d lib/$ARCH
430	then
431	mkdir lib/$ARCH
432	fi
433
434	# Set up symlinks for pgapackf.h to any directories with Fortran source
435	rm -f ./examples/fortran/pgapackf.h ./examples/mgh/pgapackf.h ./test/pgapackf.h
436	ln -s ../../include/pgapackf.h ./examples/fortran/pgapackf.h
437	ln -s ../../include/pgapackf.h ./examples/mgh/pgapackf.h
438	ln -s ../include/pgapackf.h ./test/pgapackf.h
439
440	# Use the stub library.
441	if test $PARALLEL -eq 0
442	then
443	rm -f ./include/mpi.h ./include/mpif.h ./examples/fortran/mpif.h ./examples/mgh/mpif.h ./test/mpif.h
444	ln -s fakempi_h include/mpi.h
445	ln -s fakempif_h include/mpif.h
446	ln -s ../../include/mpif.h ./examples/fortran/mpif.h
447	ln -s ../../include/mpif.h ./examples/mgh/mpif.h
448	ln -s ../include/mpif.h ./test/mpif.h
449	TEMP='$(PGA_LIB_DIR)/mpi_stub.o'
450	OBJS="$OBJS $TEMP"
451	MPICOMP='$(PGA_LIB_DIR)/mpi_stub.o: mpi_stub.c $(HEADERS)\
452	$(COMPILE.c) mpi_stub.c'
453	# The tab above is IMPORTANT! Needed for make!
454	else
455	rm -f ./include/mpi.h ./include/mpif.h ./examples/fortran/mpif.h ./examples/mgh/mpif.h ./test/mpif.h
456	ln -s $MPI_INC_DIR/mpif.h ./examples/fortran/mpif.h
457	ln -s $MPI_INC_DIR/mpif.h ./examples/mgh/mpif.h
458	ln -s $MPI_INC_DIR/mpif.h ./test/mpif.h
459	LIBS="$LIBS $MPI_LIB"
460	INCLUDES="$INCLUDES -I$MPI_INC_DIR"
461	fi
462
463	LIBS="$LIBS -lm"
464	CPPFLAGS="$INCLUDES $CPPFLAGS"
465	LDFLAGS="$LDFLAGS $LIB_DIRS $LIBS"
466	###############################################################################
467	# This section exports the variables that have previously been set.
468	# Configure creates the Makefiles listed on the last line from the
469	# Makefile.in in each directory. It does this by substituting the value
470	# of $VAR for every occurent of @VAR@ in the Makefile.in. For
471	# example, if the characters @CC@ occur any place in a Makefile.in, they
472	# will be replaced with the value that $CC has when ac_subst(CC) is
473	# called.
474	###############################################################################
475	AC_SUBST(CC)
476	AC_SUBST(CFLAGS)
477	AC_SUBST(FFLAGS)
478	AC_SUBST(CPPFLAGS)
479	AC_SUBST(FC)
480	AC_SUBST(FORTWRAP)
481	AC_SUBST(HEADERS)
482	AC_SUBST(LDFLAGS)
483	AC_SUBST(PARALLEL)
484	AC_SUBST(PGA_LIB_DIR)
485	AC_SUBST(PGA_LIB)
486	AC_SUBST(OBJS)
487	AC_SUBST(MPICOMP)
488	AC_SUBST(RM)
489	AC_SUBST(RANLIB)
490	AC_SUBST(SHELL)
491	AC_OUTPUT(Makefile source/Makefile test/Makefile test/Makefile \
492	examples/Makefile examples/c/Makefile examples/fortran/Makefile \
493	examples/mgh/Makefile)
494
495	if test ! -f ".pgapack" ; then
496	if test $PARALLEL -eq 1 ; then
497	OPERATION="parallel"
498	ECHO_LIBS="$MPI_LIB"
499	else
500	OPERATION="sequential"
501	ECHO_LIBS="stub routines in mpi_stub.c"
502	fi
503	if test $OPTIMIZE -eq 1 ; then
504	OPERATION="optimized $OPERATION"
505	else
506	OPERATION="debug $OPERATION"
507	fi
508	echo " "
509	echo "PGAPack has been configured for $OPERATION operation on"
510	echo "the $ARCH architecture, using $ECHO_LIBS."
511	echo " "
512	echo "**********************************************************************"
513	echo "* Please register your copy of PGAPack by sending a mail message *"
514	echo "* to pgapack@mcs.anl.gov. This will allow us to notify you of bug *"
515	echo "* fixes, enhancements, and new releases. The PGAPack homepage is at *"
516	echo "* http://www.mcs.anl.gov/pgapack.html. *"
517	echo "**********************************************************************"
518	echo " "
519	echo "Type \"make install\" to install PGAPack."
520	echo " "
521	fi
522
523

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