1 dnl Process this file with autoconf to produce a configure script.
2 AC_INIT(nlopt, 2.5, stevenj@alum.mit.edu)
3 AC_CONFIG_SRCDIR(api/nlopt.h)
4 SHARED_VERSION_INFO="9:0:9" # CURRENT:REVISION:AGE
7 AM_CONFIG_HEADER(config.h)
8 AC_CONFIG_MACRO_DIR([m4])
10 AC_SUBST(SHARED_VERSION_INFO)
11 AC_DISABLE_SHARED dnl shared libraries are a PITA, disable by default
13 dnl Checks for programs.
24 [AC_HELP_STRING([--with-cxx], [include C++-based routines])],
25 with_cxx=$withval,with_cxx=no)
26 AM_CONDITIONAL(WITH_CXX, test "x$with_cxx" = xyes)
28 if test "x$with_cxx" = xyes; then
29 AC_DEFINE([WITH_CXX], 1, [Define if compiled including C++-based routines])
34 AC_SUBST(NLOPT_SUFFIX)
37 [AC_HELP_STRING([--with-mthreads], [use -mthreads compiler flag])],
38 with_mthrads=$withval,with_mthreads=no)
39 if test "x$with_mthreads" = xyes; then
40 CFLAGS="$CFLAGS -mthreads"
41 CXXFLAGS="$CXXFLAGS -mthreads"
44 dnl Checks for typedefs, structures, and compiler characteristics.
47 AC_CHECK_HEADERS([unistd.h getopt.h stdint.h])
52 dnl find 32-bit unsigned integer type for random-number generator
53 AC_CHECK_SIZEOF(unsigned int)
54 AC_CHECK_SIZEOF(unsigned long)
55 AC_CHECK_TYPES(uint32_t, [], [], [$ac_includes_default
60 dnl Checks for libraries and functions
62 AC_CHECK_FUNCS([BSDgettimeofday gettimeofday time qsort_r getpid])
64 AC_MSG_CHECKING([for gettid syscall])
65 AC_TRY_LINK([#include <unistd.h>
66 #include <sys/syscall.h>
67 ], [syscall(SYS_gettid);], [ok=yes], [ok=no])
68 if test "$ok" = "yes"; then
69 AC_DEFINE(HAVE_GETTID_SYSCALL,1,[Define if syscall(SYS_gettid) available.])
73 AC_MSG_CHECKING([for isnan])
74 AC_TRY_LINK([#include <math.h>
75 ], [if (!isnan(3.14159)) isnan(2.7183);], ok=yes, ok=no)
76 if test "$ok" = "yes"; then
77 AC_DEFINE(HAVE_ISNAN,1,[Define if the isnan() function/macro is available.])
81 AC_MSG_CHECKING([for isinf])
82 AC_TRY_LINK([#include <math.h>
83 ], [if (!isinf(3.14159)) isinf(2.7183);], ok=yes, ok=no)
84 if test "$ok" = "yes"; then
85 AC_DEFINE(HAVE_ISINF,1,[Define if the isinf() function/macro is available.])
89 AC_MSG_CHECKING([for copysign])
90 AC_TRY_LINK([#include <math.h>
91 ], [double x = copysign(3.14159, -2.7183);], ok=yes, ok=no)
92 if test "$ok" = "yes"; then
93 AC_DEFINE(HAVE_COPYSIGN,1,[Define if the copysign function/macro is available.])
97 dnl -----------------------------------------------------------------------
101 [AC_HELP_STRING([--without-guile], [don't compile Guile plugin])],
102 with_guile=$withval,with_guile=yes)
104 [AC_HELP_STRING([--without-python], [don't compile Python plugin])],
105 with_python=$withval,with_python=yes)
107 if test "$enable_shared" = no; then
108 AC_MSG_WARN([Python and Guile wrappers require --enable-shared; disabling])
113 if test "x$with_guile" = xno; then
118 AC_ARG_VAR(GUILE_INSTALL_DIR, [where to install Guile plug-ins])
119 AC_CHECK_PROG(GUILE_CONFIG, guile-config, guile-config, unknown)
120 if test "x$GUILE_CONFIG" = "xunknown"; then
121 AC_MSG_WARN([can't find guile-config, disabling Guile wrapper])
123 save_CPPFLAGS=$CPPFLAGS
125 GUILE_CPPFLAGS=`$GUILE_CONFIG compile`
126 GUILE_LIBS=`$GUILE_CONFIG link`
127 CPPFLAGS="$CPPFLAGS $GUILE_CPPFLAGS"
128 LIBS="$GUILE_LIBS $LIBS"
129 AC_MSG_CHECKING([if linking to guile works])
130 AC_TRY_LINK_FUNC(scm_is_vector, [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)
131 AC_MSG_WARN(guile-config is broken, disabling Guile wrapper)
132 GUILE_CONFIG="unknown"])
133 CPPFLAGS=$save_CPPFLAGS
136 AC_CHECK_PROG(GUILE, guile, guile, unknown)
137 if test "x$GUILE" = xunknown; then
138 AC_MSG_WARN([can't find guile, disabling Guile wrapper])
140 elif test x"$GUILE_INSTALL_DIR" = "x"; then
141 AC_CHECK_PROGS(GUILE_CONFIG, guile-config, echo)
142 AC_MSG_CHECKING(guile prefix)
143 GUILE_PREFIX=`$GUILE_CONFIG info prefix`
144 AC_MSG_RESULT($GUILE_PREFIX)
145 AC_MSG_CHECKING([for Guile installation directory])
146 GUILE_INSTALL_DIR=`guile -c '(display (%site-dir))'`
147 if test "$prefix" != "NONE"; then
148 # strip guile install path to honor prefix
149 GUILE_INSTALL_DIR=`echo "$GUILE_INSTALL_DIR" | sed "s|$GUILE_PREFIX|$prefix|g"`
152 AC_MSG_RESULT([$GUILE_INSTALL_DIR])
157 if test "x$with_python" = xno; then
162 AM_PATH_PYTHON([],[have_python=yes],[have_python=no])
163 if test $have_python = yes; then
164 AC_ARG_VAR([PYTHON_CONFIG], [python-config program])
165 AC_PATH_PROGS([PYTHON_CONFIG], [python$PYTHON_VERSION-config python-config],
166 [unknown], [`dirname $PYTHON`:$PATH])
167 AC_MSG_CHECKING([for Python include flags])
168 if test "x$PYTHON_CONFIG" = "xunknown"; then
169 pinc=-I`echo "import distutils.sysconfig; print (distutils.sysconfig.get_python_inc())" | $PYTHON - 2>/dev/null`
170 test "x$pinc" = "x-I" && pinc=""
172 pinc=`$PYTHON_CONFIG --includes 2>/dev/null`
174 AC_MSG_RESULT([${pinc:-unknown}])
175 PYTHON_INCLUDES="$pinc"
176 save_CPPFLAGS=$CPPFLAGS
177 CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES"
178 AC_CHECK_HEADER([Python.h], [], [AC_MSG_WARN([disabling Python wrappers])
180 if test $have_python = yes; then
181 AC_MSG_CHECKING([for Numpy include directory])
182 pinc=`echo "import numpy; print (numpy.get_include())" | $PYTHON - 2>/dev/null`
183 AC_MSG_RESULT([${pinc:-unknown}])
184 test -n "$pinc" && PYTHON_INCLUDES="$PYTHON_INCLUDES -I$pinc"
185 CPPFLAGS="$save_CPPFLAGS $PYTHON_INCLUDES"
186 AC_CHECK_HEADER([numpy/arrayobject.h],[],[
187 AC_MSG_WARN([disabling Python wrappers])
188 have_python=no],[#include <Python.h>])
190 CPPFLAGS=$save_CPPFLAGS
195 fi # if enable_shared
197 AC_SUBST(GUILE_INSTALL_DIR)
198 AC_SUBST(GUILE_CPPFLAGS)
200 AC_SUBST(PYTHON_INCLUDES)
201 AM_CONDITIONAL(WITH_GUILE, test x"$GUILE_CONFIG" != "xunknown")
202 AM_CONDITIONAL(WITH_PYTHON, test x"$have_python" = "xyes")
204 dnl -----------------------------------------------------------------------
205 dnl Compiling Octave plug-in
207 AC_ARG_VAR(OCT_INSTALL_DIR, [where to install GNU Octave .oct plug-ins])
208 AC_ARG_VAR(M_INSTALL_DIR, [where to install GNU Octave .m plug-ins])
209 AC_ARG_VAR(MKOCTFILE, [name of mkoctfile program to compile Octave plug-ins])
212 [AC_HELP_STRING([--without-octave], [don't compile Octave plugin])],
213 with_octave=$withval,with_octave=yes)
215 AC_CHECK_PROGS(MKOCTFILE, mkoctfile, echo)
217 if test x"$with_octave" = xno; then
219 elif test "$MKOCTFILE" = "echo"; then
220 AC_MSG_WARN([can't find mkoctfile: won't be able to compile GNU Octave plugin])
222 elif test x"$OCT_INSTALL_DIR" = "x"; then
223 # try to find installation directory
224 AC_CHECK_PROGS(OCTAVE, octave, echo)
225 AC_CHECK_PROGS(OCTAVE_CONFIG, octave-config, echo)
227 AC_MSG_CHECKING(octave prefix)
228 OCTAVE_PREFIX=`$OCTAVE_CONFIG --print PREFIX 2> /dev/null`
229 AC_MSG_RESULT($OCTAVE_PREFIX)
231 AC_MSG_CHECKING(where octave plugins go)
232 OCT_INSTALL_DIR=`$OCTAVE_CONFIG --oct-site-dir 2> /dev/null | grep '/'`
233 if test -z "$OCT_INSTALL_DIR"; then
234 OCT_INSTALL_DIR=`$OCTAVE_CONFIG --print OCTFILEDIR 2> /dev/null | grep '/'`
236 if test -z "$OCT_INSTALL_DIR"; then
237 OCT_INSTALL_DIR=`echo "path" | $OCTAVE -q 2> /dev/null | grep "/oct/" | head -1`
239 if test -z "$OCT_INSTALL_DIR"; then
240 OCT_INSTALL_DIR=`echo "DEFAULT_LOADPATH" | $OCTAVE -q 2> /dev/null | tr ':' '\n' | grep "site/oct" | head -1`
242 if test -n "$OCT_INSTALL_DIR"; then
243 if test "$prefix" != "NONE"; then
244 # strip octave install path to honor prefix
245 OCT_INSTALL_DIR=`echo "$OCT_INSTALL_DIR" | sed "s|$OCTAVE_PREFIX|$prefix|g"`
247 AC_MSG_RESULT($OCT_INSTALL_DIR)
249 AC_MSG_RESULT(unknown)
250 AC_MSG_WARN([can't find where to install octave plugins: won't be able to compile octave plugin])
253 AC_MSG_CHECKING(where octave scripts go)
254 M_INSTALL_DIR=`$OCTAVE_CONFIG --m-site-dir 2> /dev/null | grep '/'`
255 if test -z "$M_INSTALL_DIR"; then
256 M_INSTALL_DIR=`$OCTAVE_CONFIG --print FCNFILEDIR 2> /dev/null | grep '/'`
258 if test -z "$M_INSTALL_DIR"; then
259 M_INSTALL_DIR=`echo "path" | $OCTAVE -q 2> /dev/null | grep "/m" | head -1`
261 if test -z "$M_INSTALL_DIR"; then
262 M_INSTALL_DIR=`echo "DEFAULT_LOADPATH" | $OCTAVE -q 2> /dev/null | tr ':' '\n' | grep "site/m" | head -1`
264 if test -n "$M_INSTALL_DIR"; then
265 if test "$prefix" != "NONE"; then
266 # strip octave install path to honor prefix
267 M_INSTALL_DIR=`echo "$M_INSTALL_DIR" | sed "s|$OCTAVE_PREFIX|$prefix|g"`
269 AC_MSG_RESULT($M_INSTALL_DIR)
271 AC_MSG_RESULT(unknown)
272 AC_MSG_WARN([can't find where to install octave scripts: won't be able to install octave plugin])
275 elif test x"$M_INSTALL_DIR" = "x"; then # user-specified OCT_INSTALL_DIR
276 M_INSTALL_DIR=$OCT_INSTALL_DIR
279 if test x"$OCT_INSTALL_DIR" != "x"; then
280 if test "$enable_shared" = no; then
281 AC_MSG_WARN([mkoctfile requires --enable-shared; won't compile Octave plugin])
286 AM_CONDITIONAL(WITH_OCTAVE, test x"$OCT_INSTALL_DIR" != "x")
287 AC_SUBST(OCT_INSTALL_DIR)
288 AC_SUBST(M_INSTALL_DIR)
291 dnl -----------------------------------------------------------------------
292 dnl Compiling Matlab plug-in
295 [AC_HELP_STRING([--without-matlab], [don't compile Matlab plugin])],
296 with_matlab=$withval,with_matlab=yes)
298 AC_ARG_VAR(MEX_INSTALL_DIR, [where to install Matlab .mex plug-ins])
299 AC_ARG_VAR(MEX, [name of mex program to compile Matlab plug-ins])
300 AC_CHECK_PROGS(MEX, mex, echo)
301 if test x"$with_matlab" = xno; then
303 elif test "$MEX" = "echo"; then
304 AC_MSG_WARN([can't find mex: won't be able to compile Matlab plugin])
307 AC_MSG_CHECKING([for extension of compiled mex files])
309 cat > conftest.c <<EOF
311 void mexFunction(int nlhs, mxArray *plhs[[]],
312 int nrhs, const mxArray *prhs[[]]) { }
314 if $MEX conftest.c >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then
315 MEXSUFF=`ls conftest.m* | head -1 | cut -d'.' -f2`
316 AC_MSG_RESULT($MEXSUFF)
317 AC_CHECK_PROGS(MATLAB, matlab, echo)
319 AC_MSG_WARN([$MEX failed to compile a simple file; won't compile Matlab plugin])
324 if test x"$MATLAB" != xecho; then
325 if test "$enable_shared" = no; then
327 AC_MSG_WARN([mex requires --enable-shared; won't compile Matlab plugin])
333 if test x"$MATLAB" != xecho; then
334 # try to find installation directory
335 if test x"$MEX_INSTALL_DIR" = "x"; then
336 AC_MSG_CHECKING(for MATLAB mex installation dir)
337 MEX_INSTALL_DIR=`matlab -nodisplay -nodesktop -nojvm -r 'path;quit' | grep toolbox/local |sed 's,^[[^/]]*,,g' |sort |head -1`
338 AC_MSG_RESULT($MEX_INSTALL_DIR)
339 if test x`basename "$MEX_INSTALL_DIR"` != xlocal; then
342 if test x"$MEX_INSTALL_DIR" = "x"; then
343 AC_MSG_WARN([can't find reasonable Matlab installation directory; Matlab plugins will not be compiled unless you manually specify MEX_INSTALL_DIR])
350 AM_CONDITIONAL(WITH_MATLAB, test x"$MEX_INSTALL_DIR" != "x")
351 AC_SUBST(MEX_INSTALL_DIR)
355 dnl -----------------------------------------------------------------------
356 dnl Check for broken Solaris HUGE_VAL macro under gcc 3.4.x and similar
358 AC_MSG_CHECKING([for working HUGE_VAL])
359 AC_TRY_COMPILE([#include <math.h>], [double x = -HUGE_VAL;],
360 [AC_MSG_RESULT([ok])],
361 [AC_TRY_COMPILE([#include <math.h>
364 #define HUGE_VAL __builtin_huge_val()
365 #endif], [double x = -HUGE_VAL;],
366 [AC_MSG_RESULT([__builtin_huge_val()])
367 AC_DEFINE(REPLACEMENT_HUGE_VAL,[__builtin_huge_val()],
368 [replacement for broken HUGE_VAL macro, if needed])],
369 [AC_MSG_RESULT([unknown])
370 AC_MSG_ERROR([broken HUGE_VAL macro with this compiler, unknown workaround])])])
372 dnl -----------------------------------------------------------------------
375 AC_ARG_ENABLE(debug, [AC_HELP_STRING([--enable-debug],[compile with extra runtime checks for debugging])], ok=$enableval, ok=no)
376 if test "$ok" = "yes"; then
377 AC_DEFINE(DEBUG,1,[Define to enable extra debugging code.])
380 dnl override CFLAGS selection when debugging
381 if test "${enable_debug}" = "yes"; then
387 dnl add gcc warnings, in debug/maintainer mode only
388 if test "$enable_debug" = yes || test "$USE_MAINTAINER_MODE" = yes; then
389 if test $ac_cv_prog_gcc = yes; then
390 if test "$ac_test_CFLAGS" != "set"; then
391 CFLAGS="$CFLAGS -Wall -W -Wcast-qual -Wpointer-arith -Wcast-align -Wno-long-long -pedantic -Wshadow -Wbad-function-cast -Wwrite-strings -Wstrict-prototypes -Wredundant-decls -Wnested-externs -Wundef -Wconversion -Wmissing-prototypes -Wmissing-declarations"
393 if test "$ac_test_CXXFLAGS" != "set"; then
394 CXXFLAGS="$CXXFLAGS -Wall -W -Wcast-qual -Wpointer-arith -Wcast-align -Wno-long-long -pedantic -Wshadow -Wwrite-strings -Wredundant-decls -Wundef -Wconversion"
396 if test "x$with_cxx" = xyes; then
402 vers=`echo ${VERSION}.0.0 | cut -d. -f1`
403 AC_DEFINE_UNQUOTED(MAJOR_VERSION, $vers, [Major version number.])
404 vers=`echo ${VERSION}.0.0 | cut -d. -f2`
405 AC_DEFINE_UNQUOTED(MINOR_VERSION, $vers, [Minor version number.])
406 vers=`echo ${VERSION}.0.0 | cut -d. -f3`
407 AC_DEFINE_UNQUOTED(BUGFIX_VERSION, $vers, [Bugfix version number.])
409 dnl -----------------------------------------------------------------------