source: tags/release-1.1.7/configure.ac

Last change on this file was 529, checked in by MatthewWhiting, 15 years ago

Preparing for the next version: 1.1.7

File size: 12.4 KB
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1# -*- Autoconf -*-
2# Process this file with autoconf to produce a configure script.
3
4AC_PREREQ(2.57)
5AC_INIT([Duchamp], [1.1.7], [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 $LIBS])
131 
132  # Search for X11 includes and libraries.
133  AC_PATH_XTRA
134  # returns C compiler flags needed for X to X_CFLAGS and the X linker flags to X_LIBS
135  if test "x$X_LIBS" != x; then
136    LDFLAGS="$LDFLAGS $X_LIBS"
137    EXTRAPGLIB="$X_LIBS -lX11 $EXTRAPGLIB"
138  fi
139
140#  # Add pgplot libraries, if they exist to the lib path
141#  for LIBDIR in $PGPLOTLIBDIRS ; do
142#    AC_CHECK_FILE([$LIBDIR/libcpgplot.a], [PGPLOTLIB="-L$LIBDIR $PGPLOTLIB"; break])
143#  done
144 
145  # It is possible that other libraries may be required depending on what
146  # graphics drivers were installed with PGPLOT.
147  AC_CHECK_LIB([z],       [deflate],   [EXTRAPGLIB="$EXTRAPGLIB -lz"],
148               [], [$EXTRAPGLIB $LIBS])
149  AC_CHECK_LIB([png],     [png_error], [EXTRAPGLIB="$EXTRAPGLIB -lpng"],
150             [], [$EXTRAPGLIB $LIBS])
151
152  AC_LANG(Fortran 77)
153  AC_CHECK_LIB([pgplot],  [pgopen],    [PGPLOTLIB="-lpgplot"],
154               [], [$PGPLOTLIB $EXTRAPGLIB])
155  AC_LANG(C)
156  # Checks for extra libraries needed by PGPLOT -- will add -lg2c -lstdc++ to $LIBS
157  AC_CHECK_LIB([g2c], [gerror_])
158  AC_CHECK_LIB([stdc++], [main])
159  if test "x$F77" = xgfortran; then
160    PGPLOTLIB="-lcpgplot $PGPLOTLIB"
161    AC_MSG_NOTICE([ Using gfortran, so manually adding -lcpgplot to PGPLOTLIB string.])
162  else
163    AC_CHECK_LIB([cpgplot], [cpgopen],   [PGPLOTLIB="-lcpgplot $PGPLOTLIB"],
164                 [], [$PGPLOTLIB $LIBS $EXTRAPGLIB])
165  fi
166 
167  # If PGPLOT is not present, we give a warning message but still continue.
168  # The compilation is able to work without the PGPLOT-dependent files.
169  if test "x$PGPLOTLIB" = x; then
170    AC_MSG_NOTICE([
171      -------------------------------------------------------
172      WARNING! PGPLOT could not be found.
173      Compiling Duchamp without graphics capabilities.               
174      -------------------------------------------------------])
175    #We have no pgplot, so we just link with g++ (or equivalent)
176    LINKER=$CXX
177  else
178    #We are using pgplot, so link with the fortran compiler.
179    LINKER=$F77
180    PGPLOTLIB="$PGPLOTLIB $EXTRAPGLIB $LIBS"
181    AC_MSG_NOTICE([PGPLOT appears to be available.])
182    AC_DEFINE([HAVE_PGPLOT], [1], [Define to 1 if PGPLOT is available.])
183    for LIBDIR in $PGPLOTLIBDIRS ; do
184     AC_CHECK_FILE([$LIBDIR/libcpgplot.a], [PGPLOTLIB="-L$LIBDIR $PGPLOTLIB"; break])
185    done
186    if test "x$F77" = xgfortran; then
187      PGPLOTLIB="$PGPLOTLIB -bind_at_load"
188    fi
189  fi
190
191fi
192
193AC_SUBST([LINKER])
194AC_SUBST([PGPLOTINC])
195AC_SUBST([PGPLOTLIB])
196##########################################################################
197
198##########################################################################
199# Search for CFITSIO.
200# use --with-cfitsio=directory to specify a particular CFITSIO directory.
201# else do the normal searching for libraries.
202
203AC_MSG_NOTICE([  -- CFITSIO -- ])
204AC_ARG_WITH(cfitsio,
205        AC_HELP_STRING([--with-cfitsio=<dir>],
206                       [The CFITSIO library and include files are in directory <dir>.]),
207[ #if we specify a directory...
208if test "x$withval" = xno; then
209  AC_MSG_NOTICE([
210    The CFITSIO library is required.
211    Ignoring the "--with-cfitsio=no" and searching for the library.], [1])
212  CFITSIOINCDIRS=$INCDIRS
213  CFITSIOLIBDIRS=$LIBDIRS
214else
215  AC_MSG_NOTICE([Using directory "$withval"])
216  CFITSIOINCDIRS="$withval \
217              $withval/include"
218  CFITSIOLIBDIRS="$withval \
219              $withval/lib"
220  for LIBDIR in $CFITSIOLIBDIRS ; do
221    AC_CHECK_FILE([$LIBDIR], [LDFLAGS="$LDFLAGS -L$LIBDIR"], [continue])
222  done
223  for INCDIR in $CFITSIOINCDIRS ; do
224    AC_CHECK_FILE([$INCDIR], [CPPFLAGS="$CPPFLAGS -I$INCDIR"], [continue])
225  done
226fi
227],
228[ # if directory not specified, go searching.
229CFITSIOINCDIRS=$INCDIRS
230CFITSIOLIBDIRS=$LIBDIRS
231])
232
233for INCDIR in $CFITSIOINCDIRS ; do
234  AC_CHECK_FILE([$INCDIR/fitsio.h], [CFITSIOINC=-I$INCDIR; break])
235  INCDIR=$INCDIR/cfitsio
236  AC_CHECK_FILE([$INCDIR/fitsio.h], [CFITSIOINC=-I$INCDIR; break])
237done
238
239AC_CHECK_LIB([socket],  [recv],   [CFITSIOLIB="$CFITSIOLIB -lsocket"], [], [$LIBS])
240AC_CHECK_LIB([cfitsio], [ffopen], [CFITSIOLIB="$CFITSIOLIB -lcfitsio"], [],
241             [$CFITSIOLIB $LIBS])
242
243# CFITSIO is essential for Duchamp, so exit with error message if it
244#   is not present.
245if test "x$CFITSIOINC" = x -o "x$CFITSIOLIB" = x; then
246  AC_MSG_ERROR([
247    -------------------------------------------------------
248    Could not find the CFITSIO library.
249
250    ERROR: Duchamp configuration failure.
251    -------------------------------------------------------], [1])
252else
253  AC_MSG_NOTICE([CFITSIO appears to be available.])
254  AC_DEFINE([HAVE_CFITSIO], [1], [Define to 1 if CFITSIO is available.])
255for LIBDIR in $CFITSIOLIBDIRS ; do
256  AC_CHECK_FILE([$LIBDIR/libcfitsio.a], [CFITSIOLIB="-L$LIBDIR $CFITSIOLIB"; break])
257  LIBDIR=$LIBDIR/cfitsio
258  AC_CHECK_FILE([$LIBDIR/libcfitsio.a], [CFITSIOLIB="-L$LIBDIR $CFITSIOLIB"; break])
259done
260
261fi
262
263AC_SUBST([CFITSIOINC])
264AC_SUBST([CFITSIOLIB])
265##########################################################################
266
267##########################################################################
268# Search for WCSLIB.
269# use --with-wcslib=directory to specify a particular WCSLIB directory.
270# else do the normal searching for libraries.
271
272AC_MSG_NOTICE([  -- WCSLIB -- ])
273WCSINCDIR=""
274AC_ARG_WITH(wcslib,
275        AC_HELP_STRING([--with-wcslib=<dir>],
276                       [The WCSLIB library and include files are in directory <dir>.]),
277[ #if we specify a directory...
278if test "x$withval" = xno; then
279  AC_MSG_NOTICE([
280    The WCSLIB library is required.
281    Ignoring the "--with-wcslib=no" and searching for the library.], [1])
282  WCSINCDIRS=$INCDIRS
283  WCSLIBDIRS=$LIBDIRS
284else
285  AC_MSG_NOTICE([Using directory "$withval"])
286  WCSINCDIRS="$withval \
287              $withval/include"
288  WCSLIBDIRS="$withval \
289              $withval/lib"
290  for LIBDIR in $WCSLIBDIRS ; do
291    AC_CHECK_FILE([$LIBDIR], [LDFLAGS="$LDFLAGS -L$LIBDIR"], [continue])
292  done
293  for INCDIR in $WCSINCDIRS ; do
294    AC_CHECK_FILE([$INCDIR/wcslib],
295                  [CPPFLAGS="$CPPFLAGS -I$INCDIR"; WCSINCDIR=$INCDIR; break],
296                  [continue])
297  done
298fi
299],
300[ # if directory not specified, go searching.
301WCSINCDIRS=$INCDIRS
302WCSLIBDIRS=$LIBDIRS
303])
304
305
306if test "x$WCSINCDIR" = x; then
307  for INCBASE in $WCSINCDIRS ; do
308    AC_CHECK_FILE([$INCBASE/wcslib/wcs.h], [WCSINC="-I$INCBASE -I$INCBASE/wcslib $WCSINC"; break])
309  done
310else
311  AC_CHECK_FILE([$WCSINCDIR/wcslib/wcs.h], [WCSINC="-I$WCSINCDIR -I$WCSINCDIR/wcslib $WCSINC"])
312fi
313
314
315# Look for libwcs.a, and libpgsbox.a
316AC_CHECK_LIB([wcs], [wcss2p], [WCSLIB="$WCSLIB -lwcs"], [],
317             [$WCSLIB $LIBS $CFITSIOLIB $PGPLOTLIB])
318if test "x$F77" = xgfortran; then
319  WCSLIB="$WCSLIB -lpgsbox"
320  AC_MSG_NOTICE([ Using gfortran, so manually adding -lpgsbox to WCSLIB string.])
321else
322  AC_CHECK_LIB([pgsbox], [cpgsbox], [WCSLIB="$WCSLIB -lpgsbox"], [],
323               [$WCSLIB $LIBS $CFITSIOLIB $PGPLOTLIB])
324fi
325
326# WCSLIB is essential for Duchamp, so exit with error message if it
327#   is not present. Need at least libwcs to be available -- libpgsbox will
328#   depend on PGPLOT being available, but is not critical.
329if test "x$WCSINC" = x -o "x$WCSLIB" = x; then
330  AC_MSG_ERROR([
331    -------------------------------------------------------
332    Could not find the WCSLIB library.
333
334    ERROR: Duchamp configuration failure.
335    -------------------------------------------------------], [1])
336else
337  AC_MSG_NOTICE([WCSLIB appears to be available.])
338  AC_DEFINE([HAVE_WCSLIB], [1], [Define to 1 if WCSLIB is available.])
339# Now add the -L statements to start of WCSLIB.
340# Search for libwcs.a, and, if we find it, search for libpgsbox in same directory and
341#   then in other directories, keeping the appropriate order of -L calls.
342
343  DIRLIST=". \
344           wcs \
345           wcslib"
346
347  for LIBBASE in $WCSLIBDIRS ; do
348    for DIR in $DIRLIST; do
349      if test "x$DIR" = x.; then
350       LIBDIR=$LIBBASE
351      else
352       LIBDIR="$LIBBASE/$DIR"
353      fi
354      AC_CHECK_FILE([$LIBDIR/libwcs.a],
355             [WCSLIBFRONT="-L$LIBDIR";
356             AC_CHECK_FILE([$LIBDIR/libpgsbox.a], [], [
357               for LIBBASE2 in $WCSLIBDIRS ; do
358                for DIR2 in $DIRLIST; do
359                 if test "x$DIR" = x.; then
360                  LIBDIR=$LIBBASE
361                 else
362                  LIBDIR="$LIBBASE/$DIR"
363                 fi
364                 AC_CHECK_FILE([$LIBDIR2/libpgsbox.a],
365                               [WCSLIBFRONT="$WCSLIB -L$LIBDIR2"; break])
366                done
367               done])
368              break])
369    done
370  done
371  WCSLIB="$WCSLIBFRONT $WCSLIB"
372fi
373
374AC_SUBST([WCSINC])
375AC_SUBST([WCSLIB])
376##########################################################################
377
378AC_SUBST([LDFLAGS])
379
380AC_CONFIG_FILES([Makefile])
381AC_OUTPUT
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