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 "$ok" = "yes"; then
85 AC_DEFINE(HAVE_ISINF,1,[Define if the isinf() function/macro is available.])
89 AC_MSG_CHECKING([for fpclassify])
90 AC_TRY_LINK([#include <math.h>
91 ], [if (!fpclassify(3.14159)) fpclassify(2.7183);], ok=yes, ok=no)
92 if test "$ok" = "yes"; then
93 AC_DEFINE(HAVE_FPCLASSIFY,1,[Define if the fpclassify() function/macro is available.])
97 AC_MSG_CHECKING([for copysign])
98 AC_TRY_LINK([#include <math.h>
99 ], [double x = copysign(3.14159, -2.7183);], ok=yes, ok=no)
100 if test "$ok" = "yes"; then
101 AC_DEFINE(HAVE_COPYSIGN,1,[Define if the copysign function/macro is available.])
105 dnl -----------------------------------------------------------------------
109 [AC_HELP_STRING([--without-guile], [don't compile Guile plugin])],
110 with_guile=$withval,with_guile=yes)
112 [AC_HELP_STRING([--without-python], [don't compile Python plugin])],
113 with_python=$withval,with_python=yes)
115 if test "$enable_shared" = no; then
116 AC_MSG_WARN([Python and Guile wrappers require --enable-shared; disabling])
121 if test "x$with_guile" = xno; then
126 AC_ARG_VAR(GUILE_INSTALL_DIR, [where to install Guile plug-ins])
127 AC_CHECK_PROG(GUILE_CONFIG, guile-config, guile-config, unknown)
128 if test "x$GUILE_CONFIG" = "xunknown"; then
129 AC_MSG_WARN([can't find guile-config, disabling Guile wrapper])
131 save_CPPFLAGS=$CPPFLAGS
133 GUILE_CPPFLAGS=`$GUILE_CONFIG compile`
134 GUILE_LIBS=`$GUILE_CONFIG link`
135 CPPFLAGS="$CPPFLAGS $GUILE_CPPFLAGS"
136 LIBS="$GUILE_LIBS $LIBS"
137 AC_MSG_CHECKING([if linking to guile works])
138 AC_TRY_LINK_FUNC(scm_is_vector, [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)
139 AC_MSG_WARN(guile-config is broken, disabling Guile wrapper)
140 GUILE_CONFIG="unknown"])
141 CPPFLAGS=$save_CPPFLAGS
144 AC_CHECK_PROG(GUILE, guile, guile, unknown)
145 if test "x$GUILE" = xunknown; then
146 AC_MSG_WARN([can't find guile, disabling Guile wrapper])
148 elif test x"$GUILE_INSTALL_DIR" = "x"; then
149 AC_CHECK_PROGS(GUILE_CONFIG, guile-config, echo)
150 AC_MSG_CHECKING(guile prefix)
151 GUILE_PREFIX=`$GUILE_CONFIG info prefix`
152 AC_MSG_RESULT($GUILE_PREFIX)
153 AC_MSG_CHECKING([for Guile installation directory])
154 GUILE_INSTALL_DIR=`guile -c '(display (%site-dir))'`
155 if test "$prefix" != "NONE"; then
156 # strip guile install path to honor prefix
157 GUILE_INSTALL_DIR=`echo "$GUILE_INSTALL_DIR" | sed "s|$GUILE_PREFIX|$prefix|g"`
160 AC_MSG_RESULT([$GUILE_INSTALL_DIR])
165 if test "x$with_python" = xno; then
170 AM_PATH_PYTHON([],[have_python=yes],[have_python=no])
171 if test $have_python = yes; then
172 AC_ARG_VAR([PYTHON_CONFIG], [python-config program])
173 AC_PATH_PROGS([PYTHON_CONFIG], [python$PYTHON_VERSION-config python-config],
174 [unknown], [`dirname $PYTHON`:$PATH])
175 AC_MSG_CHECKING([for Python include flags])
176 if test "x$PYTHON_CONFIG" = "xunknown"; then
177 pinc=-I`echo "import distutils.sysconfig; print (distutils.sysconfig.get_python_inc())" | $PYTHON - 2>/dev/null`
178 test "x$pinc" = "x-I" && pinc=""
180 pinc=`$PYTHON_CONFIG --includes 2>/dev/null`
182 AC_MSG_RESULT([${pinc:-unknown}])
183 PYTHON_INCLUDES="$pinc"
184 save_CPPFLAGS=$CPPFLAGS
185 CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES"
186 AC_CHECK_HEADER([Python.h], [], [AC_MSG_WARN([disabling Python wrappers])
188 if test $have_python = yes; then
189 AC_MSG_CHECKING([for Numpy include directory])
190 pinc=`echo "import numpy; print (numpy.get_include())" | $PYTHON - 2>/dev/null`
191 AC_MSG_RESULT([${pinc:-unknown}])
192 test -n "$pinc" && PYTHON_INCLUDES="$PYTHON_INCLUDES -I$pinc"
193 CPPFLAGS="$save_CPPFLAGS $PYTHON_INCLUDES"
194 AC_CHECK_HEADER([numpy/arrayobject.h],[],[
195 AC_MSG_WARN([disabling Python wrappers])
196 have_python=no],[#include <Python.h>])
198 CPPFLAGS=$save_CPPFLAGS
203 fi # if enable_shared
205 AC_SUBST(GUILE_INSTALL_DIR)
206 AC_SUBST(GUILE_CPPFLAGS)
208 AC_SUBST(PYTHON_INCLUDES)
209 AM_CONDITIONAL(WITH_GUILE, test x"$GUILE_CONFIG" != "xunknown")
210 AM_CONDITIONAL(WITH_PYTHON, test x"$have_python" = "xyes")
212 dnl -----------------------------------------------------------------------
213 dnl Compiling Octave plug-in
215 AC_ARG_VAR(OCT_INSTALL_DIR, [where to install GNU Octave .oct plug-ins])
216 AC_ARG_VAR(M_INSTALL_DIR, [where to install GNU Octave .m plug-ins])
217 AC_ARG_VAR(MKOCTFILE, [name of mkoctfile program to compile Octave plug-ins])
220 [AC_HELP_STRING([--without-octave], [don't compile Octave plugin])],
221 with_octave=$withval,with_octave=yes)
223 AC_CHECK_PROGS(MKOCTFILE, mkoctfile, echo)
225 if test x"$with_octave" = xno; then
227 elif test "$MKOCTFILE" = "echo"; then
228 AC_MSG_WARN([can't find mkoctfile: won't be able to compile GNU Octave plugin])
230 elif test x"$OCT_INSTALL_DIR" = "x"; then
231 # try to find installation directory
232 AC_CHECK_PROGS(OCTAVE, octave, echo)
233 AC_CHECK_PROGS(OCTAVE_CONFIG, octave-config, echo)
235 AC_MSG_CHECKING(octave prefix)
236 OCTAVE_PREFIX=`$OCTAVE_CONFIG --print PREFIX 2> /dev/null`
237 AC_MSG_RESULT($OCTAVE_PREFIX)
239 AC_MSG_CHECKING(where octave plugins go)
240 OCT_INSTALL_DIR=`$OCTAVE_CONFIG --oct-site-dir 2> /dev/null | grep '/'`
241 if test -z "$OCT_INSTALL_DIR"; then
242 OCT_INSTALL_DIR=`$OCTAVE_CONFIG --print OCTFILEDIR 2> /dev/null | grep '/'`
244 if test -z "$OCT_INSTALL_DIR"; then
245 OCT_INSTALL_DIR=`echo "path" | $OCTAVE -q 2> /dev/null | grep "/oct/" | head -1`
247 if test -z "$OCT_INSTALL_DIR"; then
248 OCT_INSTALL_DIR=`echo "DEFAULT_LOADPATH" | $OCTAVE -q 2> /dev/null | tr ':' '\n' | grep "site/oct" | head -1`
250 if test -n "$OCT_INSTALL_DIR"; then
251 if test "$prefix" != "NONE"; then
252 # strip octave install path to honor prefix
253 OCT_INSTALL_DIR=`echo "$OCT_INSTALL_DIR" | sed "s|$OCTAVE_PREFIX|$prefix|g"`
255 AC_MSG_RESULT($OCT_INSTALL_DIR)
257 AC_MSG_RESULT(unknown)
258 AC_MSG_WARN([can't find where to install octave plugins: won't be able to compile octave plugin])
261 AC_MSG_CHECKING(where octave scripts go)
262 M_INSTALL_DIR=`$OCTAVE_CONFIG --m-site-dir 2> /dev/null | grep '/'`
263 if test -z "$M_INSTALL_DIR"; then
264 M_INSTALL_DIR=`$OCTAVE_CONFIG --print FCNFILEDIR 2> /dev/null | grep '/'`
266 if test -z "$M_INSTALL_DIR"; then
267 M_INSTALL_DIR=`echo "path" | $OCTAVE -q 2> /dev/null | grep "/m" | head -1`
269 if test -z "$M_INSTALL_DIR"; then
270 M_INSTALL_DIR=`echo "DEFAULT_LOADPATH" | $OCTAVE -q 2> /dev/null | tr ':' '\n' | grep "site/m" | head -1`
272 if test -n "$M_INSTALL_DIR"; then
273 if test "$prefix" != "NONE"; then
274 # strip octave install path to honor prefix
275 M_INSTALL_DIR=`echo "$M_INSTALL_DIR" | sed "s|$OCTAVE_PREFIX|$prefix|g"`
277 AC_MSG_RESULT($M_INSTALL_DIR)
279 AC_MSG_RESULT(unknown)
280 AC_MSG_WARN([can't find where to install octave scripts: won't be able to install octave plugin])
283 elif test x"$M_INSTALL_DIR" = "x"; then # user-specified OCT_INSTALL_DIR
284 M_INSTALL_DIR=$OCT_INSTALL_DIR
287 if test x"$OCT_INSTALL_DIR" != "x"; then
288 if test "$enable_shared" = no; then
289 AC_MSG_WARN([mkoctfile requires --enable-shared; won't compile Octave plugin])
294 AM_CONDITIONAL(WITH_OCTAVE, test x"$OCT_INSTALL_DIR" != "x")
295 AC_SUBST(OCT_INSTALL_DIR)
296 AC_SUBST(M_INSTALL_DIR)
299 dnl -----------------------------------------------------------------------
300 dnl Compiling Matlab plug-in
303 [AC_HELP_STRING([--without-matlab], [don't compile Matlab plugin])],
304 with_matlab=$withval,with_matlab=yes)
306 AC_ARG_VAR(MEX_INSTALL_DIR, [where to install Matlab .mex plug-ins])
307 AC_ARG_VAR(MEX, [name of mex program to compile Matlab plug-ins])
308 AC_CHECK_PROGS(MEX, mex, echo)
309 if test x"$with_matlab" = xno; then
311 elif test "$MEX" = "echo"; then
312 AC_MSG_WARN([can't find mex: won't be able to compile Matlab plugin])
315 AC_MSG_CHECKING([for extension of compiled mex files])
317 cat > conftest.c <<EOF
319 void mexFunction(int nlhs, mxArray *plhs[[]],
320 int nrhs, const mxArray *prhs[[]]) { }
322 if $MEX conftest.c >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then
323 MEXSUFF=`ls conftest.m* | head -1 | cut -d'.' -f2`
324 AC_MSG_RESULT($MEXSUFF)
325 AC_CHECK_PROGS(MATLAB, matlab, echo)
327 AC_MSG_WARN([$MEX failed to compile a simple file; won't compile Matlab plugin])
332 if test x"$MATLAB" != xecho; then
333 if test "$enable_shared" = no; then
335 AC_MSG_WARN([mex requires --enable-shared; won't compile Matlab plugin])
341 if test x"$MATLAB" != xecho; then
342 # try to find installation directory
343 if test x"$MEX_INSTALL_DIR" = "x"; then
344 AC_MSG_CHECKING(for MATLAB mex installation dir)
345 MEX_INSTALL_DIR=`matlab -nodisplay -nodesktop -nojvm -r 'path;quit' | grep toolbox/local |sed 's,^[[^/]]*,,g' |sort |head -1`
346 AC_MSG_RESULT($MEX_INSTALL_DIR)
347 if test x`basename "$MEX_INSTALL_DIR"` != xlocal; then
350 if test x"$MEX_INSTALL_DIR" = "x"; then
351 AC_MSG_WARN([can't find reasonable Matlab installation directory; Matlab plugins will not be compiled unless you manually specify MEX_INSTALL_DIR])
358 AM_CONDITIONAL(WITH_MATLAB, test x"$MEX_INSTALL_DIR" != "x")
359 AC_SUBST(MEX_INSTALL_DIR)
363 dnl -----------------------------------------------------------------------
364 dnl Check for broken Solaris HUGE_VAL macro under gcc 3.4.x and similar
366 AC_MSG_CHECKING([for working HUGE_VAL])
367 AC_TRY_COMPILE([#include <math.h>], [double x = -HUGE_VAL;],
368 [AC_MSG_RESULT([ok])],
369 [AC_TRY_COMPILE([#include <math.h>
372 #define HUGE_VAL __builtin_huge_val()
373 #endif], [double x = -HUGE_VAL;],
374 [AC_MSG_RESULT([__builtin_huge_val()])
375 AC_DEFINE(REPLACEMENT_HUGE_VAL,[__builtin_huge_val()],
376 [replacement for broken HUGE_VAL macro, if needed])],
377 [AC_MSG_RESULT([unknown])
378 AC_MSG_ERROR([broken HUGE_VAL macro with this compiler, unknown workaround])])])
380 dnl -----------------------------------------------------------------------
383 AC_ARG_ENABLE(debug, [AC_HELP_STRING([--enable-debug],[compile with extra runtime checks for debugging])], ok=$enableval, ok=no)
384 if test "$ok" = "yes"; then
385 AC_DEFINE(DEBUG,1,[Define to enable extra debugging code.])
388 dnl override CFLAGS selection when debugging
389 if test "${enable_debug}" = "yes"; then
395 dnl add gcc warnings, in debug/maintainer mode only
396 if test "$enable_debug" = yes || test "$USE_MAINTAINER_MODE" = yes; then
397 if test $ac_cv_prog_gcc = yes; then
398 if test "$ac_test_CFLAGS" != "set"; then
399 CFLAGS="$CFLAGS -Wall -W -Wcast-qual -Wpointer-arith -Wcast-align -Wno-long-long -pedantic -Wshadow -Wbad-function-cast -Wwrite-strings -Wstrict-prototypes -Wredundant-decls -Wnested-externs -Wundef -Wconversion -Wmissing-prototypes -Wmissing-declarations"
401 if test "$ac_test_CXXFLAGS" != "set"; then
402 CXXFLAGS="$CXXFLAGS -Wall -W -Wcast-qual -Wpointer-arith -Wcast-align -Wno-long-long -pedantic -Wshadow -Wwrite-strings -Wredundant-decls -Wundef -Wconversion"
404 if test "x$with_cxx" = xyes; then
410 vers=`echo ${VERSION}.0.0 | cut -d. -f1`
411 AC_DEFINE_UNQUOTED(MAJOR_VERSION, $vers, [Major version number.])
412 vers=`echo ${VERSION}.0.0 | cut -d. -f2`
413 AC_DEFINE_UNQUOTED(MINOR_VERSION, $vers, [Minor version number.])
414 vers=`echo ${VERSION}.0.0 | cut -d. -f3`
415 AC_DEFINE_UNQUOTED(BUGFIX_VERSION, $vers, [Bugfix version number.])
417 dnl -----------------------------------------------------------------------