configure.ac 7.79 KB
Newer Older
Pedro Gonnet's avatar
Pedro Gonnet committed
1

2
# This file is part of SWIFT.
3
# Copyright (C) 2012 pedro.gonnet@durham.ac.uk.
4
#
Pedro Gonnet's avatar
Pedro Gonnet committed
5
6
7
8
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
9
#
Pedro Gonnet's avatar
Pedro Gonnet committed
10
11
12
13
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
14
#
Pedro Gonnet's avatar
Pedro Gonnet committed
15
16
17
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

18
# Init the project.
19
20
AC_INIT([SWIFT],[0.1.0])
AC_CONFIG_SRCDIR([src/space.c])
21
AC_CONFIG_AUX_DIR([.])
22
AM_INIT_AUTOMAKE
Pedro Gonnet's avatar
Pedro Gonnet committed
23

24
# Add local macro collection.
Pedro Gonnet's avatar
Pedro Gonnet committed
25
26
AC_CONFIG_MACRO_DIR([m4])

27
28
29
30
# Stop default CFLAGS from anyone except the environment.
: ${CFLAGS=""}

# Generate header file.
Pedro Gonnet's avatar
Pedro Gonnet committed
31
32
AM_CONFIG_HEADER(config.h)

33
34
# Find and test the compiler.
AX_CHECK_ENABLE_DEBUG
Peter W. Draper's avatar
Peter W. Draper committed
35
AC_PROG_CC
36
37
AM_PROG_CC_C_O

38
39
40
41
42
43
# Enable POSIX and platform extension preprocessor macros.
AC_USE_SYSTEM_EXTENSIONS

# Add libtool support.
LT_INIT

44
45
46
47
# Check for compiler version and vendor.
AX_COMPILER_VENDOR
AX_COMPILER_VERSION

48
49
# Check for MPI. Need to do this before characterising the compiler (C99 mode),
# as this changes the compiler.
50
51
52
53
# We should consider using AX_PROG_CC_MPI to replace AC_PROG_CC when compiling
# whole applications. There are issues with mixing compilers when using this
# macro. See
# http://lists.gnu.org/archive/html/autoconf-archive-maintainers/2011-05/msg00004.html.
54
AC_ARG_ENABLE([mpi],
55
    [AS_HELP_STRING([--enable-mpi],
56
      [Compile with functionality for distributed-memory parallelism using MPI @<:@default=yes@:>@]
57
58
59
60
61
62
    )],
    [enable_mpi="$enableval"],
    [enable_mpi="yes"]
)
if test "$enable_mpi" = "yes"; then
    AX_MPI([CC="$MPICC" AC_DEFINE(HAVE_MPI, 1, [Define if you have the MPI library.]) ])
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97

    # Various MPI implementations require additional libraries when also using
    # threads. Use mpirun (on PATH) as that seems to be only command with
    # version flag.
    AC_PATH_PROG([MPIRUN],[mpirun],[notfound])
    if test "$MPIRUN" = "notfound"; then
       AC_MSG_WARN([Cannot find mpirun command on PATH, thread support may not be correct])
    else
       # Special options we know about.
       # Intel: -mt_mpi
       # PLATFORM: -lmtmpi
       # OpenMPI: nothing, but library should be built correctly.
       # Set MPI_THREAD_LIBS and add to linker commands as necessary.
       AC_MSG_CHECKING([MPI threads options])
       version=`$MPIRUN -version 2>&1`
       case "$version" in
         *Intel*MPI*)
            MPI_THREAD_LIBS="-mt_mpi"
            AC_MSG_RESULT([Intel MPI])
         ;;
         *Platform*)
            MPI_THREAD_LIBS="-lmtmpi"
            AC_MSG_RESULT([PLATFORM MPI])
         ;;
         *"Open MPI"*)
            MPI_THREAD_LIBS=""
            AC_MSG_RESULT([Open MPI])
         ;;
         *)
            MPI_THREAD_LIBS=""
            AC_MSG_RESULT([unknown])
         ;;
       esac
       AC_SUBST([MPI_THREAD_LIBS])
    fi
98
fi
99
100
AM_CONDITIONAL([HAVEMPI],[test -n "$MPICC"])

101
# Need C99 and inline support.
Pedro Gonnet's avatar
Pedro Gonnet committed
102
AC_PROG_CC_C99
Peter W. Draper's avatar
Peter W. Draper committed
103
104
AC_C_INLINE

105
# Define HAVE_POSIX_MEMALIGN if it works.
Pedro Gonnet's avatar
Pedro Gonnet committed
106
107
AX_FUNC_POSIX_MEMALIGN

108
109
# Only optimize if allowed, otherwise assume user will set CFLAGS as
# appropriate.
110
AC_ARG_ENABLE([optimization],
111
112
113
114
115
   [AS_HELP_STRING([--enable-optimization],
     [Enable compile time optimization flags for host @<:@default=yes@:>@]
   )],
   [enable_opt="$enableval"],
   [enable_opt="yes"]
116
117
)

118
if test "$enable_opt" = "yes" ; then
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133

   # Add code optimisation flags and tuning to host. This is a funny macro
   # that does not like CFLAGS being already set. Work around that as we have
   # at least set it to "", so it is set.
   ac_test_CFLAGS="no"
   old_CFLAGS="$CFLAGS"
   AX_CC_MAXOPT
   ac_test_CFLAGS="yes"
   CFLAGS="$old_CFLAGS $CFLAGS"

   # Check SSE & AVX support (some overlap with AX_CC_MAXOPT).
   AX_EXT
   if test "$SIMD_FLAGS" != ""; then
       CFLAGS="$CFLAGS $SIMD_FLAGS"
   fi
134
fi
Peter W. Draper's avatar
Peter W. Draper committed
135

136
137
138
# Add address sanitizer options to flags, if requested. Only useful for GCC
# version 4.8 and later.
AC_ARG_ENABLE([sanitizer],
139
140
141
142
143
   [AS_HELP_STRING([--enable-sanitizer],
     [Enable memory error detection using address sanitizer @<:@default=no@:>@]
   )],
   [enable_san="$enableval"],
   [enable_san="no"]
144
145
)

146
147
148
149
150
151
152
153
154
if test "$enable_san" = "yes"; then
   if test "$ax_cv_c_compiler_vendor" = "gnu"; then
      AX_COMPARE_VERSION( $ax_cv_c_compiler_version, [ge], [4.8.0],
                          [enable_san="yes"], [enable_san="no"] )
      if test "$enable_san" = "yes"; then
         CFLAGS="$CFLAGS -fsanitize=address -fno-omit-frame-pointer"
      fi
   else
      AC_MSG_WARN([Compiler does not support address sanitizer option])
155
156
157
   fi
fi

158
# Autoconf stuff.
Pedro Gonnet's avatar
Pedro Gonnet committed
159
160
161
162
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_HEADER_STDC

163
# Check for the libraries we will need.
Pedro Gonnet's avatar
Pedro Gonnet committed
164
165
AC_CHECK_LIB(m,sqrt,,AC_MSG_ERROR(something is wrong with the math library!))

166
# Check for pthreads.
167
AX_PTHREAD([LIBS="$PTHREAD_LIBS $LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
Pedro Gonnet's avatar
Pedro Gonnet committed
168
169
170
171
172
    CC="$PTHREAD_CC" LDFLAGS="$PTHREAD_LIBS $LIBS"],
    AC_MSG_ERROR([Could not find a working version of
    the pthread library. Make sure you have the library and header files installed
    or use CPPFLAGS and LDFLAGS if the library is installed in a
    non-standard location.]))
173

174
# Check for OpenMP.
175
176
AC_OPENMP
AC_SUBST(OPENMP_CFLAGS)
177
enable_openmp="no"
178
if test -z "$OPENMP_CFLAGS"; then
179
180
181
182
   echo $OPENMP_CFLAGS
   AC_MSG_ERROR(Compiler does not support OpenMP, 1)
else
   CFLAGS="$CFLAGS $OPENMP_CFLAGS"
183
   enable_openmp="yes"
184
185
fi

186
187
188
# Check for metis. Note AX_LIB_METIS exists, but cannot be configured
# to be default off (i.e. given no option it tries to locate METIS), so we
# don't use that.
189
AC_ARG_WITH([metis],
190
191
192
193
194
195
196
197
    [AS_HELP_STRING([--with-metis=PATH],
       [prefix where the metis library is installed @<:@default=yes@:>@]
    )],
    [],
    [with_metis="no"]
)
if test "x$with_metis" != "xno"; then
   if test "x$with_metis" != "xyes" -a "x$with_metis" != "x"; then
198
      METIS_LIBS="-L$with_metis -lmetis"
199
   else
200
      METIS_LIBS="-lmetis"
201
202
203
   fi
   AC_CHECK_LIB([metis],[METIS_PartGraphKway],
      AC_DEFINE([HAVE_METIS],1,[The metis library appears to be present.]),
204
      AC_MSG_ERROR(something is wrong with the metis library!),$METIS_LIBS)
205
fi
206
207
AC_SUBST([METIS_LIBS])
AM_CONDITIONAL([HAVEMETIS],[test -n "$METIS_LIBS"])
208

209
# Check for zlib.
210
AC_CHECK_LIB([z],[gzopen],[
211
212
213
    AC_DEFINE([HAVE_LIBZ],[1],[Set to 1 if zlib is installed.])
    LDFLAGS="$LDFLAGS -lz"
    ],[])
Pedro Gonnet's avatar
Pedro Gonnet committed
214
215


216
217
# Check for HDF5.
AX_LIB_HDF5
218

219
# Check for setaffinity.
Pedro Gonnet's avatar
Pedro Gonnet committed
220
221
AC_CHECK_FUNC( pthread_setaffinity_np , AC_DEFINE([HAVE_SETAFFINITY],[true],
    [Defined if pthread_setaffinity_np exists.]) )
222

223
# Check for timing functions needed by cycle.h.
Pedro Gonnet's avatar
Pedro Gonnet committed
224
225
AC_HEADER_TIME
AC_CHECK_HEADERS([sys/time.h c_asm.h intrinsics.h mach/mach_time.h])
226
227
228
AC_CHECK_TYPE([hrtime_t],[AC_DEFINE(HAVE_HRTIME_T, 1, [Define to 1 if hrtime_t
is defined in <sys/time.h>])],,
[#if HAVE_SYS_TIME_H
Pedro Gonnet's avatar
Pedro Gonnet committed
229
230
231
232
233
#include <sys/time.h>
#endif])
AC_CHECK_FUNCS([gethrtime read_real_time time_base_to_time clock_gettime mach_absolute_time])
AC_MSG_CHECKING([for _rtc intrinsic])
rtc_ok=yes
234
235
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[#ifdef HAVE_INTRINSICS_H
Pedro Gonnet's avatar
Pedro Gonnet committed
236
#include <intrinsics.h>
237
#endif]],
238
239
[[_rtc()]])],
[AC_DEFINE(HAVE__RTC,1,[Define if you have the UNICOS _rtc() intrinsic.])],[rtc_ok=no])
Pedro Gonnet's avatar
Pedro Gonnet committed
240
241
AC_MSG_RESULT($rtc_ok)

242
# Make the documentation.
243
DX_INIT_DOXYGEN(libswift,doc/Doxyfile,doc/)
Pedro Gonnet's avatar
Pedro Gonnet committed
244

245
# Handle .in files.
246
AC_CONFIG_FILES([Makefile src/Makefile examples/Makefile doc/Makefile doc/Doxyfile])
Pedro Gonnet's avatar
Pedro Gonnet committed
247

248
249
250
251
252
253
254
255
256
257
258
# Report general configuration.
AC_MSG_RESULT([
   Compiler: $CC
     vendor: $ax_cv_c_compiler_vendor
    version: $ax_cv_c_compiler_version
      flags: $CFLAGS
   MPI enabled: $enable_mpi
   HDF5 enabled: $with_hdf5
   OpenMP enabled: $enable_openmp
])

259
# Generate output.
260
AC_OUTPUT