1 dnl Process this file with autoconf to produce a configure script.
2 AC_INIT(nlopt, 2.2.1, stevenj@alum.mit.edu)
3 AC_CONFIG_SRCDIR(api/nlopt.h)
4 SHARED_VERSION_INFO="5:1:5" # 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 -----------------------------------------------------------------------
99 if test "x$with_cxx" = xyes; then
100 test -r $srcdir/lbfgs/ap.cpp && test -r $srcdir/lbfgs/ap.h && test -r $srcdir/lbfgs/l-bfgs-b.cpp && test -r $srcdir/lbfgs/l-bfgs-b.h && have_lbfgs=yes
102 AM_CONDITIONAL(WITH_NOCEDAL, test -n "$have_lbfgs")
103 if test -n "$have_lbfgs"; then
104 AC_DEFINE(WITH_NOCEDAL, [1], [Define if we have the non-free Nocedal LBFGS code])
107 dnl -----------------------------------------------------------------------
111 [AC_HELP_STRING([--without-guile], [don't compile Guile plugin])],
112 with_guile=$withval,with_guile=yes)
114 [AC_HELP_STRING([--without-python], [don't compile Python plugin])],
115 with_python=$withval,with_python=yes)
117 if test "$enable_shared" = no; then
118 AC_MSG_WARN([Python and Guile wrappers require --enable-shared; disabling])
123 if test "x$with_guile" = xno; then
128 AC_ARG_VAR(GUILE_INSTALL_DIR, [where to install Guile plug-ins])
129 AC_CHECK_PROG(GUILE_CONFIG, guile-config, guile-config, unknown)
130 if test "x$GUILE_CONFIG" = "xunknown"; then
131 AC_MSG_WARN([can't find guile-config, disabling Guile wrapper])
133 save_CPPFLAGS=$CPPFLAGS
135 GUILE_CPPFLAGS=`$GUILE_CONFIG compile`
136 GUILE_LIBS=`$GUILE_CONFIG link`
137 CPPFLAGS="$CPPFLAGS $GUILE_CPPFLAGS"
138 LIBS="$GUILE_LIBS $LIBS"
139 AC_MSG_CHECKING([if linking to guile works])
140 AC_TRY_LINK_FUNC(scm_is_vector, [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)
141 AC_MSG_WARN(guile-config is broken, disabling Guile wrapper)
142 GUILE_CONFIG="unknown"])
143 CPPFLAGS=$save_CPPFLAGS
146 AC_CHECK_PROG(GUILE, guile, guile, unknown)
147 if test "x$GUILE" = xunknown; then
148 AC_MSG_WARN([can't find guile, disabling Guile wrapper])
150 elif test x"$GUILE_INSTALL_DIR" = "x"; then
151 AC_MSG_CHECKING([for Guile installation directory])
152 GUILE_INSTALL_DIR=`guile -c '(display (%site-dir))'`
153 AC_MSG_RESULT([$GUILE_INSTALL_DIR])
158 if test "x$with_python" = xno; then
163 AM_PATH_PYTHON([],[have_python=yes],[have_python=no])
164 if test $have_python = yes; then
165 AC_MSG_CHECKING([for Python include directory])
166 pinc=`echo "import distutils.sysconfig; print distutils.sysconfig.get_python_inc()" | $PYTHON - 2>/dev/null`
167 AC_MSG_RESULT([${pinc:-unknown}])
168 test -n "$pinc" && PYTHON_INCLUDES="-I$pinc"
169 save_CPPFLAGS=$CPPFLAGS
170 CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES"
171 AC_CHECK_HEADER([Python.h], [], [AC_MSG_WARN([disabling Python wrappers])
173 if test $have_python = yes; then
174 AC_MSG_CHECKING([for Numpy include directory])
175 pinc=`echo "import numpy; print numpy.get_include()" | $PYTHON - 2>/dev/null`
176 AC_MSG_RESULT([${pinc:-unknown}])
177 test -n "$pinc" && PYTHON_INCLUDES="$PYTHON_INCLUDES -I$pinc"
178 CPPFLAGS="$save_CPPFLAGS $PYTHON_INCLUDES"
179 AC_CHECK_HEADER([numpy/arrayobject.h],[],[
180 AC_MSG_WARN([disabling Python wrappers])
181 have_python=no],[#include <Python.h>])
183 CPPFLAGS=$save_CPPFLAGS
188 fi # if enable_shared
190 AC_SUBST(GUILE_INSTALL_DIR)
191 AC_SUBST(GUILE_CPPFLAGS)
193 AC_SUBST(PYTHON_INCLUDES)
194 AM_CONDITIONAL(WITH_GUILE, test x"$GUILE_CONFIG" != "xunknown")
195 AM_CONDITIONAL(WITH_PYTHON, test x"$have_python" = "xyes")
197 dnl -----------------------------------------------------------------------
198 dnl Compiling Octave plug-in
200 AC_ARG_VAR(OCT_INSTALL_DIR, [where to install GNU Octave .oct plug-ins])
201 AC_ARG_VAR(M_INSTALL_DIR, [where to install GNU Octave .m plug-ins])
202 AC_ARG_VAR(MKOCTFILE, [name of mkoctfile program to compile Octave plug-ins])
205 [AC_HELP_STRING([--without-octave], [don't compile Octave plugin])],
206 with_octave=$withval,with_octave=yes)
208 AC_CHECK_PROGS(MKOCTFILE, mkoctfile, echo)
210 if test x"$with_octave" = xno; then
212 elif test "$MKOCTFILE" = "echo"; then
213 AC_MSG_WARN([can't find mkoctfile: won't be able to compile GNU Octave plugin])
215 elif test x"$OCT_INSTALL_DIR" = "x"; then
216 # try to find installation directory
217 AC_CHECK_PROGS(OCTAVE, octave, echo)
218 AC_CHECK_PROGS(OCTAVE_CONFIG, octave-config, echo)
220 AC_MSG_CHECKING(where octave plugins go)
221 OCT_INSTALL_DIR=`octave-config --oct-site-dir 2> /dev/null | grep '/'`
222 if test -z "$OCT_INSTALL_DIR"; then
223 OCT_INSTALL_DIR=`octave-config --print OCTFILEDIR 2> /dev/null | grep '/'`
225 if test -z "$OCT_INSTALL_DIR"; then
226 OCT_INSTALL_DIR=`echo "path" | $OCTAVE -q 2> /dev/null | grep "/oct/" | head -1`
228 if test -z "$OCT_INSTALL_DIR"; then
229 OCT_INSTALL_DIR=`echo "DEFAULT_LOADPATH" | $OCTAVE -q 2> /dev/null | tr ':' '\n' | grep "site/oct" | head -1`
231 if test -n "$OCT_INSTALL_DIR"; then
232 AC_MSG_RESULT($OCT_INSTALL_DIR)
234 AC_MSG_RESULT(unknown)
235 AC_MSG_WARN([can't find where to install octave plugins: won't be able to compile octave plugin])
238 AC_MSG_CHECKING(where octave scripts go)
239 M_INSTALL_DIR=`octave-config --m-site-dir 2> /dev/null | grep '/'`
240 if test -z "$M_INSTALL_DIR"; then
241 M_INSTALL_DIR=`octave-config --print FCNFILEDIR 2> /dev/null | grep '/'`
243 if test -z "$M_INSTALL_DIR"; then
244 M_INSTALL_DIR=`echo "path" | $OCTAVE -q 2> /dev/null | grep "/m" | head -1`
246 if test -z "$M_INSTALL_DIR"; then
247 M_INSTALL_DIR=`echo "DEFAULT_LOADPATH" | $OCTAVE -q 2> /dev/null | tr ':' '\n' | grep "site/m" | head -1`
249 if test -n "$M_INSTALL_DIR"; then
250 AC_MSG_RESULT($M_INSTALL_DIR)
252 AC_MSG_RESULT(unknown)
253 AC_MSG_WARN([can't find where to install octave scripts: won't be able to install octave plugin])
256 elif test x"$M_INSTALL_DIR" = "x"; then # user-specified OCT_INSTALL_DIR
257 M_INSTALL_DIR=$OCT_INSTALL_DIR
260 if test x"$OCT_INSTALL_DIR" != "x"; then
261 if test "$enable_shared" = no; then
262 AC_MSG_CHECKING([whether mkoctfile can link with static objects])
264 echo 'void foo(void) {};' > conftestfoo.c
265 $CC -c conftestfoo.c >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
266 cat > conftest.cc <<EOF
267 #include <octave/oct.h>
268 extern "C" void foo(void);
269 DEFUN_DLD(foobar, args, nargout, "foo bar") { foo(); }
271 if $MKOCTFILE conftest.cc conftestfoo.o >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then
275 AC_MSG_WARN([mkoctfile requires --enable-shared; won't compile Octave plugin])
281 AM_CONDITIONAL(WITH_OCTAVE, test x"$OCT_INSTALL_DIR" != "x")
282 AC_SUBST(OCT_INSTALL_DIR)
283 AC_SUBST(M_INSTALL_DIR)
286 dnl -----------------------------------------------------------------------
287 dnl Compiling Matlab plug-in
290 [AC_HELP_STRING([--without-matlab], [don't compile Matlab plugin])],
291 with_matlab=$withval,with_matlab=yes)
293 AC_ARG_VAR(MEX_INSTALL_DIR, [where to install Matlab .mex plug-ins])
294 AC_ARG_VAR(MEX, [name of mex program to compile Matlab plug-ins])
295 AC_CHECK_PROGS(MEX, mex, echo)
296 if test x"$with_matlab" = xno; then
298 elif test "$MEX" = "echo"; then
299 AC_MSG_WARN([can't find mex: won't be able to compile Matlab plugin])
302 AC_MSG_CHECKING([for extension of compiled mex files])
304 cat > conftest.c <<EOF
306 void mexFunction(int nlhs, mxArray *plhs[[]],
307 int nrhs, const mxArray *prhs[[]]) { }
309 if $MEX conftest.c >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then
310 MEXSUFF=`ls conftest.m* | head -1 | cut -d'.' -f2`
311 AC_MSG_RESULT($MEXSUFF)
312 AC_CHECK_PROGS(MATLAB, matlab, echo)
314 AC_MSG_WARN([$MEX failed to compile a simple file; won't compile Matlab plugin])
319 if test x"$MATLAB" != xecho; then
320 if test "$enable_shared" = no; then
321 AC_MSG_CHECKING([whether mex can link with static objects])
323 echo 'void foo(void) {};' > conftestfoo.c
324 $CC -c conftestfoo.c >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
325 cat > conftest.c <<EOF
327 extern void foo(void);
328 void mexFunction(int nlhs, mxArray *plhs[[]],
329 int nrhs, const mxArray *prhs[[]]) { foo(); }
331 if $MEX conftest.c conftestfoo.o >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then
335 AC_MSG_WARN([mex requires --enable-shared; won't compile Matlab plugin])
342 if test x"$MATLAB" != xecho; then
343 # try to find installation directory
344 if test x"$MEX_INSTALL_DIR" = "x"; then
345 AC_MSG_CHECKING(for MATLAB mex installation dir)
346 MEX_INSTALL_DIR=`matlab -nodisplay -nodesktop -nojvm -r 'path;quit' | grep toolbox/local |sed 's,^[[^/]]*,,g' |sort |head -1`
347 AC_MSG_RESULT($MEX_INSTALL_DIR)
348 if test x`basename "$MEX_INSTALL_DIR"` != xlocal; then
351 if test x"$MEX_INSTALL_DIR" = "x"; then
352 AC_MSG_WARN([can't find reasonable Matlab installation directory; Matlab plugins will not be compiled unless you manually specify MEX_INSTALL_DIR])
359 AM_CONDITIONAL(WITH_MATLAB, test x"$MEX_INSTALL_DIR" != "x")
360 AC_SUBST(MEX_INSTALL_DIR)
364 dnl -----------------------------------------------------------------------
365 dnl Check for broken Solaris HUGE_VAL macro under gcc 3.4.x and similar
367 AC_MSG_CHECKING([for working HUGE_VAL])
368 AC_TRY_COMPILE([#include <math.h>], [double x = -HUGE_VAL;],
369 [AC_MSG_RESULT([ok])],
370 [AC_TRY_COMPILE([#include <math.h>
373 #define HUGE_VAL __builtin_huge_val()
374 #endif], [double x = -HUGE_VAL;],
375 [AC_MSG_RESULT([__builtin_huge_val()])
376 AC_DEFINE(REPLACEMENT_HUGE_VAL,[__builtin_huge_val()],
377 [replacement for broken HUGE_VAL macro, if needed])],
378 [AC_MSG_RESULT([unknown])
379 AC_MSG_ERROR([broken HUGE_VAL macro with this compiler, unknown workaround])])])
381 dnl -----------------------------------------------------------------------
384 AC_ARG_ENABLE(debug, [AC_HELP_STRING([--enable-debug],[compile with extra runtime checks for debugging])], ok=$enableval, ok=no)
385 if test "$ok" = "yes"; then
386 AC_DEFINE(DEBUG,1,[Define to enable extra debugging code.])
389 dnl override CFLAGS selection when debugging
390 if test "${enable_debug}" = "yes"; then
396 dnl add gcc warnings, in debug/maintainer mode only
397 if test "$enable_debug" = yes || test "$USE_MAINTAINER_MODE" = yes; then
398 if test $ac_cv_prog_gcc = yes; then
399 if test "$ac_test_CFLAGS" != "set"; then
400 CFLAGS="$CFLAGS -Wall -W -Wcast-qual -Wpointer-arith -Wcast-align -pedantic -Wshadow -Wbad-function-cast -Wwrite-strings -Wstrict-prototypes -Wredundant-decls -Wnested-externs -Wundef -Wconversion -Wmissing-prototypes -Wmissing-declarations"
402 if test "$ac_test_CXXFLAGS" != "set"; then
403 CXXFLAGS="$CXXFLAGS -Wall -W -Wcast-qual -Wpointer-arith -Wcast-align -pedantic -Wshadow -Wwrite-strings -Wredundant-decls -Wundef -Wconversion"
405 if test "x$with_cxx" = xyes; then
411 vers=`echo ${VERSION}.0.0 | cut -d. -f1`
412 AC_DEFINE_UNQUOTED(MAJOR_VERSION, $vers, [Major version number.])
413 vers=`echo ${VERSION}.0.0 | cut -d. -f2`
414 AC_DEFINE_UNQUOTED(MINOR_VERSION, $vers, [Minor version number.])
415 vers=`echo ${VERSION}.0.0 | cut -d. -f3`
416 AC_DEFINE_UNQUOTED(BUGFIX_VERSION, $vers, [Bugfix version number.])
418 dnl -----------------------------------------------------------------------