source: tags/release-1.1.2/configure.ac

Last change on this file was 384, checked in by MatthewWhiting, 17 years ago

Made the linking command flexible according to presence of pgplot

File size: 12.8 KB
Line 
1# -*- Autoconf -*-
2# Process this file with autoconf to produce a configure script.
3
4AC_PREREQ(2.57)
5AC_INIT([Duchamp], [1.1.2], [Matthew.Whiting@csiro.au])
6AC_CONFIG_SRCDIR([src/duchamp.hh])
7AC_CONFIG_HEADER([src/config.h])
8AC_PREFIX_DEFAULT(/usr/local)
9
10# Checks for programs.
11AC_PROG_CXX
12AC_PROG_CC
13AC_PROG_CPP
14AC_PROG_F77
15AC_PROG_LN_S
16AC_CHECK_PROGS(INSTALL, install)
17
18# Check for maths library -- will add -lm to $LIBS
19AC_CHECK_LIB([m], [log])
20
21# Checks for header files.
22AC_HEADER_STDC
23AC_CHECK_HEADERS([unistd.h time.h math.h iostream fstream sstream iomanip vector string algorithm functional])
24if test "x$ac_cv_header_stdc" = xno; then
25  AC_MSG_ERROR([
26    -------------------------------------------------------------------
27    An ANSI standard C library is required to build Duchamp. 
28    One of the ANSI C header files it requires is missing or unusable.
29
30    ERROR: Duchamp configuration failure.
31    -------------------------------------------------------------------], [1])
32fi
33
34# Checks for typedefs, structures, and compiler characteristics.
35AC_HEADER_STDBOOL
36AC_C_CONST
37AC_C_INLINE
38
39# Utilities.
40AC_PROG_RANLIB
41
42# Checks for library functions.
43AC_FUNC_STRTOD
44AC_CHECK_FUNCS([floor pow sqrt strtol log atan fabs])
45
46# Extra places to look for third-party include files and libraries.
47INCDIRS="$INCDIRS           \
48         /usr/include       \
49         /usr/local/include \
50         /usr/local/pgplot  \
51         /usr/local/cfitsio \
52         /usr/local/wcslib  \
53         /local/pgplot      \
54         /local/cfitsio     \
55         /opt/local/include"
56
57LIBDIRS="$LIBDIRS           \
58         /usr/lib           \
59         /usr/local/lib     \
60         /usr/local/pgplot  \
61         /usr/local/cfitsio \
62         /usr/local/wcslib  \
63         /local/lib         \
64         /local/pgplot      \
65         /local/cfitsio     \
66         /opt/SUNWspro/lib  \
67         /opt/local/lib"
68
69AC_MSG_NOTICE(LIBDIRS)
70
71for LIBDIR in $LIBDIRS ; do
72  AC_CHECK_FILE([$LIBDIR], [LDFLAGS="$LDFLAGS -L$LIBDIR"], [continue])
73done
74
75##########################################################################
76# Search for PGPLOT
77# use --with-cfitsio=directory to specify a particular PGPLOT directory.
78# or  --without-pgplot or --with-pgplot=no to do without it
79# else do the normal searching for libraries.
80
81AC_MSG_NOTICE([  -- PGPLOT -- ])
82AC_ARG_WITH(pgplot,
83[
84AC_HELP_STRING([--with-pgplot=no],
85               [Compile without PGPLOT graphics capabilities.])
86AC_HELP_STRING([--without-pgplot],
87               [Compile without PGPLOT graphics capabilities.])
88AC_HELP_STRING([--with-pgplot=<dir>],
89               [Compile with PGPLOT graphics capabilities, using the directory <dir> to specify the PGPLOT library.]),
90],
91[
92if test "x$withval" != xno; then
93AC_MSG_NOTICE([Using directory "$withval"])
94PGPLOTINCDIRS=$withval
95PGPLOTLIBDIRS=$withval
96LDFLAGS="$LDFLAGS -L$withval"
97fi
98],
99[
100PGPLOTINCDIRS=$INCDIRS
101PGPLOTLIBDIRS=$LIBDIRS
102])
103
104if test "x$PGPLOTLIBDIRS" = x; then
105  #the argument to --with-pgplot was no, so we don't look for it.
106  AC_MSG_NOTICE([Not enabling PGPLOT use.])
107  #This is the command to do the linking stage of the compilation
108  #If no pgplot, we can just link with g++ (or equivalent)
109  LINKER=$CXX
110#  AC_CHECK_LIB([stdc++], [main], [PGPLOTLIB="-lstdc++"])
111#  if test "x$F77" = xgfortran; then
112#    PGPLOTLIB="$PGPLOTLIB -bind_at_load"
113#  fi
114else
115
116  #Set up the PGPLOT-related libraries and includes.
117
118  for INCDIR in $PGPLOTINCDIRS ; do
119    AC_CHECK_FILE([$INCDIR/cpgplot.h], [PGPLOTINC=-I$INCDIR; break])
120    INCDIR=$INCDIR/pgplot
121    AC_CHECK_FILE([$INCDIR/cpgplot.h], [PGPLOTINC=-I$INCDIR; break])
122  done
123 
124  # PGPLOT compiled with a SUN compiler but linked with something else.
125  AC_CHECK_LIB([sunmath], [cosd],      [EXTRAPGLIB="-lsunmath $EXTRAPGLIB"],
126               [], [$EXTRAPGLIB $LIBS])
127  AC_CHECK_LIB([M77],     [iand_],     [EXTRAPGLIB="-lM77 $EXTRAPGLIB"],
128               [], [$EXTRAPGLIB $LIBS])
129  AC_CHECK_LIB([F77],     [f77_init],  [EXTRAPGLIB="-lF77 $EXTRAPGLIB"],
130               [], [$EXTRAPGLIB $LIBS])
131 
132  # Search for X11 includes and libraries.
133  AC_PATH_X
134  if test "x$ac_x_libraries" != x; then
135    LDFLAGS="$LDFLAGS -L$ac_x_libraries"
136    EXTRAPGLIB="-L$ac_x_libraries -lX11 $EXTRAPGLIB"
137  fi
138
139#  # Add pgplot libraries, if they exist to the lib path
140#  for LIBDIR in $PGPLOTLIBDIRS ; do
141#    AC_CHECK_FILE([$LIBDIR/libcpgplot.a], [PGPLOTLIB="-L$LIBDIR $PGPLOTLIB"; break])
142#  done
143 
144  # It is possible that other libraries may be required depending on what
145  # graphics drivers were installed with PGPLOT.
146  AC_CHECK_LIB([z],       [deflate],   [EXTRAPGLIB="$EXTRAPGLIB -lz"],
147               [], [$EXTRAPGLIB $LIBS])
148  AC_CHECK_LIB([png],     [png_error], [EXTRAPGLIB="$EXTRAPGLIB -lpng"],
149             [], [$EXTRAPGLIB $LIBS])
150
151  AC_LANG(Fortran 77)
152  AC_CHECK_LIB([pgplot],  [pgopen],    [PGPLOTLIB="-lpgplot"],
153               [], [$PGPLOTLIB $EXTRAPGLIB])
154  AC_LANG(C)
155  # Checks for extra libraries needed by PGPLOT -- will add -lg2c -lstdc++ to $LIBS
156  AC_CHECK_LIB([g2c], [gerror_])
157  AC_CHECK_LIB([stdc++], [main])
158  if test "x$F77" = xgfortran; then
159    PGPLOTLIB="-lcpgplot $PGPLOTLIB"
160    AC_MSG_NOTICE([ Using gfortran, so manually adding -lcpgplot to PGPLOTLIB string.])
161  else
162    AC_CHECK_LIB([cpgplot], [cpgopen],   [PGPLOTLIB="-lcpgplot $PGPLOTLIB"],
163                 [], [$PGPLOTLIB $LIBS $EXTRAPGLIB])
164  fi
165 
166  # If PGPLOT is not present, we give a warning message but still continue.
167  # The compilation is able to work without the PGPLOT-dependent files.
168  if test "x$PGPLOTLIB" = x; then
169    AC_MSG_NOTICE([
170      -------------------------------------------------------
171      WARNING! PGPLOT could not be found.
172      Compiling Duchamp without graphics capabilities.               
173      -------------------------------------------------------])
174    #We have no pgplot, so we just link with g++ (or equivalent)
175    LINKER=$CXX
176  else
177    #We are using pgplot, so link with the fortran compiler.
178    LINKER=$F77
179    PGPLOTLIB="$PGPLOTLIB $EXTRAPGLIB $LIBS"
180    AC_MSG_NOTICE([PGPLOT appears to be available.])
181    AC_DEFINE([HAVE_PGPLOT], [1], [Define to 1 if PGPLOT is available.])
182    for LIBDIR in $PGPLOTLIBDIRS ; do
183     AC_CHECK_FILE([$LIBDIR/libcpgplot.a], [PGPLOTLIB="-L$LIBDIR $PGPLOTLIB"; break])
184    done
185    if test "x$F77" = xgfortran; then
186      PGPLOTLIB="$PGPLOTLIB -bind_at_load"
187    fi
188  fi
189
190fi
191
192AC_SUBST([LINKER])
193AC_SUBST([PGPLOTINC])
194AC_SUBST([PGPLOTLIB])
195##########################################################################
196
197##########################################################################
198# Search for CFITSIO.
199# use --with-cfitsio=directory to specify a particular CFITSIO directory.
200# else do the normal searching for libraries.
201
202AC_MSG_NOTICE([  -- CFITSIO -- ])
203AC_ARG_WITH(cfitsio,
204        AC_HELP_STRING([--with-cfitsio=<dir>],
205                       [The CFITSIO library and include files are in directory <dir>.]),
206[ #if we specify a directory...
207if test "x$withval" = xno; then
208  AC_MSG_NOTICE([
209    The CFITSIO library is required.
210    Ignoring the "--with-cfitsio=no" and searching for the library.], [1])
211  CFITSIOINCDIRS=$INCDIRS
212  CFITSIOLIBDIRS=$LIBDIRS
213else
214  AC_MSG_NOTICE([Using directory "$withval"])
215  CFITSIOINCDIRS="$withval \
216              $withval/include"
217  CFITSIOLIBDIRS="$withval \
218              $withval/lib"
219  for LIBDIR in $CFITSIOLIBDIRS ; do
220    AC_CHECK_FILE([$LIBDIR], [LDFLAGS="$LDFLAGS -L$LIBDIR"], [continue])
221  done
222  for INCDIR in $CFITSIOINCDIRS ; do
223    AC_CHECK_FILE([$INCDIR], [CPPFLAGS="$CPPFLAGS -I$INCDIR"], [continue])
224  done
225fi
226],
227[ # if directory not specified, go searching.
228CFITSIOINCDIRS=$INCDIRS
229CFITSIOLIBDIRS=$LIBDIRS
230])
231
232for INCDIR in $CFITSIOINCDIRS ; do
233  AC_CHECK_FILE([$INCDIR/fitsio.h], [CFITSIOINC=-I$INCDIR; break])
234  INCDIR=$INCDIR/cfitsio
235  AC_CHECK_FILE([$INCDIR/fitsio.h], [CFITSIOINC=-I$INCDIR; break])
236done
237
238AC_CHECK_LIB([socket],  [recv],   [CFITSIOLIB="$CFITSIOLIB -lsocket"], [], [$LIBS])
239AC_CHECK_LIB([cfitsio], [ffopen], [CFITSIOLIB="$CFITSIOLIB -lcfitsio"], [],
240             [$CFITSIOLIB $LIBS])
241
242# CFITSIO is essential for Duchamp, so exit with error message if it
243#   is not present.
244if test "x$CFITSIOINC" = x -o "x$CFITSIOLIB" = x; then
245  AC_MSG_ERROR([
246    -------------------------------------------------------
247    Could not find the CFITSIO library.
248
249    ERROR: Duchamp configuration failure.
250    -------------------------------------------------------], [1])
251else
252  AC_MSG_NOTICE([CFITSIO appears to be available.])
253  AC_DEFINE([HAVE_CFITSIO], [1], [Define to 1 if CFITSIO is available.])
254for LIBDIR in $CFITSIOLIBDIRS ; do
255  AC_CHECK_FILE([$LIBDIR/libcfitsio.a], [CFITSIOLIB="-L$LIBDIR $CFITSIOLIB"; break])
256  LIBDIR=$LIBDIR/cfitsio
257  AC_CHECK_FILE([$LIBDIR/libcfitsio.a], [CFITSIOLIB="-L$LIBDIR $CFITSIOLIB"; break])
258done
259
260fi
261
262AC_SUBST([CFITSIOINC])
263AC_SUBST([CFITSIOLIB])
264##########################################################################
265
266##########################################################################
267# Search for WCSLIB.
268# use --with-wcslib=directory to specify a particular WCSLIB directory.
269# else do the normal searching for libraries.
270
271AC_MSG_NOTICE([  -- WCSLIB -- ])
272AC_ARG_WITH(wcslib,
273        AC_HELP_STRING([--with-wcslib=<dir>],
274                       [The WCSLIB library and include files are in directory <dir>.]),
275[ #if we specify a directory...
276if test "x$withval" = xno; then
277  AC_MSG_NOTICE([
278    The WCSLIB library is required.
279    Ignoring the "--with-wcslib=no" and searching for the library.], [1])
280  WCSINCDIRS=$INCDIRS
281  WCSLIBDIRS=$LIBDIRS
282else
283  AC_MSG_NOTICE([Using directory "$withval"])
284  WCSINCDIRS="$withval \
285              $withval/include"
286  WCSLIBDIRS="$withval \
287              $withval/lib"
288  for LIBDIR in $WCSLIBDIRS ; do
289    AC_CHECK_FILE([$LIBDIR], [LDFLAGS="$LDFLAGS -L$LIBDIR"], [continue])
290  done
291  for INCDIR in $WCSINCDIRS ; do
292    AC_CHECK_FILE([$INCDIR], [CPPFLAGS="$CPPFLAGS -I$INCDIR"], [continue])
293  done
294fi
295],
296[ # if directory not specified, go searching.
297WCSINCDIRS=$INCDIRS
298WCSLIBDIRS=$LIBDIRS
299])
300
301DIRLIST=". \
302         wcs \
303         wcslib"
304
305for INCBASE in $WCSINCDIRS ; do
306  for DIR in $DIRLIST; do
307    if test "x$DIR" = x.; then
308     INCDIR=$INCBASE
309    else
310     INCDIR="$INCBASE/$DIR"
311    fi
312    AC_CHECK_FILE([$INCDIR/wcs.h],
313                  [WCSINC="-I$INCDIR $WCSINC";
314                  AC_CHECK_FILE([$INCDIR/cpgsbox.h], [], [
315                    for INCBASE2 in $WCSINCDIRS ; do
316                     for DIR2 in $DIRLIST; do
317                      if test "x$DIR" = x.; then
318                       INCDIR=$INCBASE
319                      else
320                       INCDIR="$INCBASE/$DIR"
321                      fi
322                      AC_CHECK_FILE([$INCDIR2/cpgsbox.h],
323                                    [WCSINC="-I$INCDIR $WCSINC"; break])
324                     done
325                    done])
326                  break])
327  done
328done
329
330# Look for libwcs.a, and libpgsbox.a
331AC_CHECK_LIB([wcs], [wcss2p], [WCSLIB="$WCSLIB -lwcs"], [],
332             [$WCSLIB $LIBS $CFITSIOLIB $PGPLOTLIB])
333if test "x$F77" = xgfortran; then
334  WCSLIB="$WCSLIB -lpgsbox"
335  AC_MSG_NOTICE([ Using gfortran, so manually adding -lpgsbox to WCSLIB string.])
336else
337  AC_CHECK_LIB([pgsbox], [cpgsbox], [WCSLIB="$WCSLIB -lpgsbox"], [],
338               [$WCSLIB $LIBS $CFITSIOLIB $PGPLOTLIB])
339fi
340
341# WCSLIB is essential for Duchamp, so exit with error message if it
342#   is not present. Need at least libwcs to be available -- libpgsbox will
343#   depend on PGPLOT being available, but is not critical.
344if test "x$WCSINC" = x -o "x$WCSLIB" = x; then
345  AC_MSG_ERROR([
346    -------------------------------------------------------
347    Could not find the WCSLIB library.
348
349    ERROR: Duchamp configuration failure.
350    -------------------------------------------------------], [1])
351else
352  AC_MSG_NOTICE([WCSLIB appears to be available.])
353  AC_DEFINE([HAVE_WCSLIB], [1], [Define to 1 if WCSLIB is available.])
354# Now add the -L statements to start of WCSLIB.
355# Search for libwcs.a, and, if we find it, search for libpgsbox in same directory and
356#   then in other directories, keeping the appropriate order of -L calls.
357
358  for LIBBASE in $WCSLIBDIRS ; do
359    for DIR in $DIRLIST; do
360      if test "x$DIR" = x.; then
361       LIBDIR=$LIBBASE
362      else
363       LIBDIR="$LIBBASE/$DIR"
364      fi
365      AC_CHECK_FILE([$LIBDIR/libwcs.a],
366             [WCSLIBFRONT="-L$LIBDIR";
367             AC_CHECK_FILE([$LIBDIR/libpgsbox.a], [], [
368               for LIBBASE2 in $WCSLIBDIRS ; do
369                for DIR2 in $DIRLIST; do
370                 if test "x$DIR" = x.; then
371                  LIBDIR=$LIBBASE
372                 else
373                  LIBDIR="$LIBBASE/$DIR"
374                 fi
375                 AC_CHECK_FILE([$LIBDIR2/libpgsbox.a],
376                               [WCSLIBFRONT="$WCSLIB -L$LIBDIR2"; break])
377                done
378               done])
379              break])
380    done
381  done
382  WCSLIB="$WCSLIBFRONT $WCSLIB"
383fi
384
385AC_SUBST([WCSINC])
386AC_SUBST([WCSLIB])
387##########################################################################
388
389AC_SUBST([LDFLAGS])
390
391AC_CONFIG_FILES([Makefile])
392AC_OUTPUT
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