1 dnl RRDtool AutoConf script ...
2 dnl ---------------------------
3 dnl
4 dnl Created by Jeff Allen, Tobi Oetiker, Blair Zajac
5 dnl
6 dnl
8 dnl tell automake the this script is for rrdtool
9 AC_INIT([rrdtool],[1.1.0])
10 AM_INIT_AUTOMAKE
11 AC_CANONICAL_TARGET
12 AM_CONFIG_HEADER(config.h)
13 # AC_CONFIG_AUX_DIR(config)
15 dnl all our local stuff like install scripts and include files
16 dnl is in there
19 dnl determine the type of system we are running on
22 AC_SUBST(VERSION)
24 dnl where we install our stuff ...
25 AC_PREFIX_DEFAULT( /usr/local/rrdtool-1.1.0 )
27 dnl Minimum Autoconf version required.
28 AC_PREREQ(2.58)
30 dnl At the TOP of the HEADER
32 AH_TOP([
34 #ifndef CONFIG_H
35 #define CONFIG_H
36 /* IEEE can be prevented from raising signals with fpsetmask(0) */
37 #undef MUST_DISABLE_FPMASK
39 /* IEEE math only works if SIGFPE gets actively set to IGNORE */
41 #undef MUST_DISABLE_SIGFPE
43 /* realloc does not support NULL as argument */
44 #undef NO_NULL_REALLOC
45 ])
47 AH_BOTTOM([
49 /* define strrchr, strchr and memcpy, memmove in terms of bsd funcs
50 make sure you are NOT using bcopy, index or rindex in the code */
52 #if STDC_HEADERS
53 # include <string.h>
54 #else
55 # ifndef HAVE_STRCHR
56 # define strchr index
57 # define strrchr rindex
58 # endif
59 char *strchr (), *strrchr ();
60 # ifndef HAVE_MEMMOVE
61 # define memcpy(d, s, n) bcopy ((s), (d), (n))
62 # define memmove(d, s, n) bcopy ((s), (d), (n))
63 # endif
64 #endif
67 #if NO_NULL_REALLOC
68 # define rrd_realloc(a,b) ( (a) == NULL ? malloc( (b) ) : realloc( (a) , (b) ))
69 #else
70 # define rrd_realloc(a,b) realloc((a), (b))
71 #endif
73 #if HAVE_MATH_H
74 # include <math.h>
75 #endif
77 #if HAVE_FLOAT_H
78 # include <float.h>
79 #endif
81 #if HAVE_IEEEFP_H
82 # include <ieeefp.h>
83 #endif
85 #if HAVE_FP_CLASS_H
86 # include <fp_class.h>
87 #endif
89 /* for Solaris */
90 #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASS))
91 # define HAVE_ISINF 1
92 # define isinf(a) (fpclass(a) == FP_NINF || fpclass(a) == FP_PINF)
93 #endif
95 /* for OSF1 Digital Unix */
96 #if (! defined(HAVE_ISINF) && defined(HAVE_FP_CLASS) && defined(HAVE_FP_CLASS_H))
97 # define HAVE_ISINF 1
98 # define isinf(a) (fp_class(a) == FP_NEG_INF || fp_class(a) == FP_POS_INF)
99 #endif
101 #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_PLUS_INF) && defined(FP_MINUS_INF))
102 # define HAVE_ISINF 1
103 # define isinf(a) (fpclassify(a) == FP_MINUS_INF || fpclassify(a) == FP_PLUS_INF)
104 #endif
106 #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_INFINITE))
107 # define HAVE_ISINF 1
108 # define isinf(a) (fpclassify(a) == FP_INFINITE)
109 #endif
111 /* for AIX */
112 #if (! defined(HAVE_ISINF) && defined(HAVE_CLASS))
113 # define HAVE_ISINF 1
114 # define isinf(a) (class(a) == FP_MINUS_INF || class(a) == FP_PLUS_INF)
115 #endif
117 #if (! defined (HAVE_FINITE) && defined (HAVE_ISFINITE))
118 # define HAVE_FINITE 1
119 # define finite(a) isfinite(a)
120 #endif
122 #if (! defined(HAVE_FINITE) && defined(HAVE_ISNAN) && defined(HAVE_ISINF))
123 # define HAVE_FINITE 1
124 # define finite(a) (! isnan(a) && ! isinf(a))
125 #endif
127 #ifndef HAVE_FINITE
128 #error "Can't compile without finite function"
129 #endif
131 #ifndef HAVE_ISINF
132 #error "Can't compile without isinf function"
133 #endif
135 #endif /* CONFIG_H */
136 ])
140 dnl Check for the compiler and static/shared library creation.
141 AC_PROG_CC
142 AC_PROG_CPP
143 AC_PROG_LIBTOOL
145 dnl Checks for header files.
146 AC_HEADER_STDC
147 AC_HEADER_DIRENT
148 AC_CHECK_HEADERS(sys/stat.h sys/types.h fcntl.h time.h locale.h fp_class.h malloc.h unistd.h ieeefp.h math.h sys/time.h sys/times.h sys/param.h sys/resource.h float.h)
150 dnl Checks for typedefs, structures, and compiler characteristics.
151 AC_C_CONST
152 AC_HEADER_TIME
153 AC_STRUCT_TM
155 dnl substitute them in all the files listed in AC_OUTPUT
156 AC_SUBST(PERLFLAGS)
158 dnl Checks for libraries.
159 AC_CHECK_FUNC(acos, , AC_CHECK_LIB(m, acos))
161 AC_DEFUN([EX_CHECK_ALL],
162 [ AC_CHECK_LIB($1,$2,
163 [ AC_CHECK_HEADER($3,[LIBS="-l$1 ${LIBS}"],[
164 [ $echo "#include <$3>" | $CC -E - > /dev/null ]
165 AC_MSG_ERROR([Adjust CPPFLAGS so that the $4 header $3 AND its dependencies gets found])
166 ] ) ],
167 [ AC_MSG_ERROR([
168 ############################################################################
169 I could not find a working copy of $4. Check config.log for hints on why
170 this is the case. Maybe you need to set LDFLAGS appropriately so that the
171 linker can find lib$1. If you have not installed $4, you can get it
172 either from its original home on
174 $6
176 Or you can find an archive copy on
178 http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/pub/libs
180 The last tested version of $4 is $5.
181 ############################################################################
182 ])] )
183 ]
184 )
186 EX_CHECK_ALL(cgi, cgiInit, cgi.h, cgilib, 0.5, http://www.infodrom.org/projects/cgilib)
187 EX_CHECK_ALL(art_lgpl_2, art_vpath_add_point, libart_lgpl/libart.h, libart_lgpl, 2.3.16, ftp://ftp.gnome.org/pub/GNOME/sources/libart_lgpl/2.3/)
188 EX_CHECK_ALL(z, zlibVersion, zlib.h, zlib, 1.2.1, http://www.gzip.org/zlib/)
189 EX_CHECK_ALL(png, png_access_version_number, png.h, libpng, 1.2.5, http://prdownloads.sourceforge.net/libpng/)
190 EX_CHECK_ALL(freetype, FT_Init_FreeType, ft2build.h, freetype, 2.1.5, http://prdownloads.sourceforge.net/freetype/)
192 dnl How the vertical axis label is printed
193 AC_ARG_VAR(RRDGRAPH_YLEGEND_ANGLE,
194 [Vertical label angle: 90.0 (default) or 270.0])
195 AC_DEFINE_UNQUOTED(RRDGRAPH_YLEGEND_ANGLE,${RRDGRAPH_YLEGEND_ANGLE:-90.0},
196 [Vertical label angle: 90.0 (default) or 270.0])
199 dnl Check for Perl.
200 AC_PATH_PROG(PERL, perl, no)
201 if test "x$PERL" = "xno"; then
202 COMP_PERL=
203 else
204 COMP_PERL="perl_piped perl_shared"
205 AC_MSG_CHECKING(for shared library extension)
206 SO_EXT=`$PERL -e 'use Config; if (defined $Config{so} and $Config{so} ne 'a') {print "$Config{so}\n"} else {print "so\n"};'`
207 AC_MSG_RESULT($SO_EXT)
208 AC_MSG_CHECKING(for the C compiler perl wants to use to build its modules)
209 PROBLEMCC=`$PERL -e 'use Config; ($cc = $Config{cc}) =~ s/\s.*//; exit 0 if -x $cc; map {if (-x "$_/$cc"){exit 0}} split /:/, $ENV{PATH};print $Config{cc}'`
210 if test x$PROBLEMCC != x; then
211 AC_MSG_RESULT(no)
212 echo Could not find the Compiler: '"'$PROBLEMCC'"'
213 echo which has been used to build perl. You may have to compile
214 echo your own copy of perl to make this work. Binary perls often
215 echo exhibit this problem
216 exit 1
217 else
218 AC_MSG_RESULT(found)
219 fi
220 fi
221 AC_SUBST(COMP_PERL)
222 AC_SUBST(SO_EXT)
224 dnl Check for Tcl.
225 withval=""
226 AC_ARG_WITH(tcllib,[ --with-tcllib=DIR location of the tclConfig.sh])
227 found=0
228 AC_MSG_CHECKING(for tclConfig.sh in $withval)
229 if test -f "$withval/tclConfig.sh" ; then
230 tcl_config=$withval/tclConfig.sh
231 found=1
232 AC_MSG_RESULT(yes)
233 break
234 else
235 AC_MSG_RESULT(no)
236 fi
238 if test $found -eq 0 ; then
239 AC_MSG_WARN([tclConfig.sh not found - Tcl interface won't be built])
240 else
241 . $tcl_config
242 fi
244 dnl Pass additional perl options when generating Makefile from Makefile.PL
245 # Options to pass when configuring perl module
246 AC_ARG_WITH(perl-options,
247 [ --with-perl-options=[OPTIONS] options to pass on command-line when
248 generating Makefile from Makefile.PL],
249 [PERL_MAKE_OPTIONS=$withval])
250 AC_SUBST(PERL_MAKE_OPTIONS)
252 AM_CONDITIONAL(COMP_TCL, test x$found = x1 )
254 AC_SUBST(TCL_PREFIX)
255 AC_SUBST(TCL_SHLIB_CFLAGS)
256 AC_SUBST(TCL_SHLIB_LD)
257 AC_SUBST(TCL_SHLIB_SUFFIX)
258 AC_SUBST(TCL_PACKAGE_PATH)
259 AC_SUBST(TCL_LD_SEARCH_FLAGS)
263 dnl Check for nroff
264 AC_PATH_PROGS(NROFF, gnroff nroff)
265 AC_PATH_PROGS(TROFF, groff troff)
267 dnl Does the compiler like -Wall and -pedantic?
268 if test "x$GCC" = "xyes"; then
269 oCFLAGS=$CFLAGS
270 CFLAGS="$CFLAGS -Wall -pedantic -Wshadow -Wpointer-arith -Wcast-align -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline -W"
271 AC_CACHE_CHECK(if we can use GCC-specific compiler options, rd_cv_gcc_opt,
272 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[return 0 ]])],[rd_cv_gcc_opt=yes],[rd_cv_gcc_opt=no ])
273 ]
274 )
275 if test $rd_cv_gcc_opt = no; then
276 CFLAGS=$oCFLAGS
277 fi
278 fi
280 dnl add pic flag in any case this makes sure all our code is relocatable
281 CFLAGS="$CFLAGS "`grep pic_flag= libtool | head -1|sed -e 's/.*pic_flag=//' -e 's/"//g'`
283 ZLIB_CFLAGS=$CFLAGS
284 dnl it seems that hpux chockes on -fPIC for some reason
285 case $target_os in
286 *hpux*)
287 ZLIB_CFLAGS=`echo $CFLAGS|sed -e 's/-fPIC/-fpic/g'`
288 ;;
289 esac
290 AC_SUBST(ZLIB_CFLAGS)
292 dnl Checks for library functions.
293 AC_FUNC_STRFTIME
294 AC_FUNC_VPRINTF
296 dnl for each function found we get a definition in config.h
297 dnl of the form HAVE_FUNCTION
299 AC_CHECK_FUNCS(tzset opendir readdir chdir chroot getuid setlocale strerror strerror_r snprintf vsnprintf fpclass class fp_class isnan memmove strchr mktime getrusage gettimeofday)
301 dnl HP-UX 11.00 does not have finite but does have isfinite as a macro
302 AC_CHECK_FUNCS(fpclassify, ,
303 [AC_MSG_CHECKING(for fpclassify with <math.h>)
304 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; fpclassify(f)]])],[AC_MSG_RESULT(yes)
305 AC_DEFINE(HAVE_FPCLASSIFY)],[AC_MSG_RESULT(no)])])
306 AC_CHECK_FUNCS(finite, ,
307 [AC_CHECK_FUNCS(isfinite, ,
308 [AC_MSG_CHECKING(for isfinite with <math.h>)
309 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; isfinite(f)]])],[AC_MSG_RESULT(yes)
310 AC_DEFINE(HAVE_ISFINITE)],[AC_MSG_RESULT(no)])])])
311 AC_CHECK_FUNCS(isinf, ,
312 [AC_MSG_CHECKING(for isinf with <math.h>)
313 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; isinf(f)]])],[AC_MSG_RESULT(yes)
314 AC_DEFINE(HAVE_ISINF)],[AC_MSG_RESULT(no)])])
316 dnl what does realloc do if it gets called with a NULL pointer
318 AC_CACHE_CHECK([if realloc can deal with NULL], rd_cv_null_realloc,
319 [AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
320 int main(void){
321 char *x = NULL;
322 x = realloc (x,10);
323 if (x==NULL) return 1;
324 return 0;
325 }]])],[rd_cv_null_realloc=yes],[rd_cv_null_realloc=nope],[:])])
327 if test x"$rd_cv_null_realloc" = xnope; then
328 AC_DEFINE(NO_NULL_REALLOC)
329 fi
331 dnl determine how to get IEEE math working
332 dnl AC_IEEE(MESSAGE, set rd_cv_ieee_[var] variable, INCLUDES,
333 dnl FUNCTION-BODY, [ACTION-IF-FOUND [,ACTION-IF-NOT-FOUND]])
335 AC_C_BIGENDIAN
337 AC_DEFUN([AC_IEEE],
338 AC_MSG_CHECKING([if IEEE math works $1])
339 AC_CACHE_VAL([rd_cv_ieee_$2],
340 [AC_RUN_IFELSE([AC_LANG_SOURCE([[$3
342 #if HAVE_MATH_H
343 # include <math.h>
344 #endif
346 #if HAVE_FLOAT_H
347 # include <float.h>
348 #endif
350 #if HAVE_IEEEFP_H
351 # include <ieeefp.h>
352 #endif
354 #if HAVE_FP_CLASS_H
355 # include <fp_class.h>
356 #endif
358 /* Solaris */
359 #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASS))
360 # define HAVE_ISINF 1
361 # define isinf(a) (fpclass(a) == FP_NINF || fpclass(a) == FP_PINF)
362 #endif
364 /* Digital UNIX */
365 #if (! defined(HAVE_ISINF) && defined(HAVE_FP_CLASS) && defined(HAVE_FP_CLASS_H))
366 # define HAVE_ISINF 1
367 # define isinf(a) (fp_class(a) == FP_NEG_INF || fp_class(a) == FP_POS_INF)
368 #endif
370 /* AIX */
371 #if (! defined(HAVE_ISINF) && defined(HAVE_CLASS))
372 # define HAVE_ISINF 1
373 # define isinf(a) (class(a) == FP_MINUS_INF || class(a) == FP_PLUS_INF)
374 #endif
376 #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_PLUS_INF) && defined(FP_MINUS_INF))
377 # define HAVE_ISINF 1
378 # define isinf(a) (fpclassify(a) == FP_MINUS_INF || fpclassify(a) == FP_PLUS_INF)
379 #endif
381 #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_INFINITE))
382 # define HAVE_ISINF 1
383 # define isinf(a) (fpclassify(a) == FP_INFINITE)
384 #endif
386 #include <stdio.h>
387 int main(void){
388 double nan,inf,c,zero;
389 $4;
390 /* some math to see if we get a floating point exception */
391 zero=sin(0.0); /* don't let the compiler optimize us away */
392 nan=0.0/zero; /* especially here */
393 inf=1.0/zero; /* and here. I want to know if it can do the magic */
394 /* at run time without sig fpe */
395 c = inf + nan;
396 c = inf / nan;
397 if (! isnan(nan)) {printf ("not isnan(NaN) ... "); return 1;}
398 if (nan == nan) {printf ("nan == nan ... "); return 1;}
399 if (! isinf(inf)) {printf ("not isinf(oo) ... "); return 1;}
400 if (! isinf(-inf)) {printf ("not isinf(-oo) ... "); return 1;}
401 if (! inf > 0) {printf ("not inf > 0 ... "); return 1;}
402 if (! -inf < 0) {printf ("not -inf < 0 ... "); return 1;}
403 return 0;
404 }]])],[rd_cv_ieee_$2=yes],[rd_cv_ieee_$2=no],[:])])
405 dnl these we run regardles is cached or not
406 if test x${rd_cv_ieee_$2} = "xyes"; then
407 AC_MSG_RESULT(yes)
408 $5
409 else
410 AC_MSG_RESULT(no)
411 $6
412 fi
414 )
416 _cflags=${CFLAGS}
417 AC_IEEE([out of the box], works, , , ,
418 [CFLAGS="$_cflags -ieee"
419 AC_IEEE([with the -ieee switch], switch, , , ,
420 [CFLAGS="$_cflags -qfloat=nofold"
421 AC_IEEE([with the -qfloat=nofold switch], nofold, , , ,
422 [CFLAGS="$_cflags -w -qflttrap=enable:zerodivide"
423 AC_IEEE([with the -w -qflttrap=enable:zerodivide], flttrap, , , ,
424 [CFLAGS="$_cflags -mieee"
425 AC_IEEE([with the -mieee switch], mswitch, , , ,
426 [CFLAGS="$_cflags -q float=rndsngl"
427 AC_IEEE([with the -q float=rndsngl switch], qswitch, , , ,
428 [CFLAGS="$_cflags -OPT:IEEE_NaN_inf=ON"
429 AC_IEEE([with the -OPT:IEEE_NaN_inf=ON switch], ieeenaninfswitch, , , ,
430 [CFLAGS="$_cflags -OPT:IEEE_comparisons=ON"
431 AC_IEEE([with the -OPT:IEEE_comparisons=ON switch], ieeecmpswitch, , , ,
432 [CFLAGS=$_cflags
433 AC_IEEE([with fpsetmask(0)], mask,
434 [#include <floatingpoint.h>], [fpsetmask(0)],
435 [AC_DEFINE(MUST_DISABLE_FPMASK)
436 PERLFLAGS="CCFLAGS=-DMUST_DISABLE_FPMASK"],
437 [AC_IEEE([with signal(SIGFPE,SIG_IGN)], sigfpe,
438 [#include <signal.h>], [signal(SIGFPE,SIG_IGN)],
439 [AC_DEFINE(MUST_DISABLE_SIGFPE)
440 PERLFLAGS="CCFLAGS=-DMUST_DISABLE_SIGFPE"],
441 AC_MSG_ERROR([
442 Your Compiler does not do propper IEEE math ... Please find out how to
443 make IEEE math work with your compiler and let me know (oetiker@ee.ethz.ch).
444 Check config.log to see what went wrong ...
445 ]))])])])])])])])])])
448 AC_CONFIG_FILES([examples/shared-demo.pl \
449 examples/piped-demo.pl \
450 examples/stripes.pl \
451 examples/bigtops.pl \
452 examples/minmax.pl \
453 examples/cgi-demo.cgi \
454 examples/Makefile \
455 doc/Makefile \
456 src/Makefile \
457 bindings/Makefile \
458 bindings/tcl/Makefile \
459 Makefile])
460 AC_CONFIG_COMMANDS([default],[[\
461 chmod +x examples/*.cgi examples/*.pl]],[[]])
462 AC_OUTPUT
464 AC_MSG_CHECKING(in)
465 AC_MSG_RESULT(and out again)
467 echo $ECHO_N "ordering CD from http://people.ee.ethz.ch/~oetiker/wish $ECHO_C" 1>&6
468 sleep 1
469 echo $ECHO_N ".$ECHO_C" 1>&6
470 sleep 1
471 echo $ECHO_N ".$ECHO_C" 1>&6
472 sleep 1
473 echo $ECHO_N ".$ECHO_C" 1>&6
474 sleep 1
475 echo $ECHO_N ".$ECHO_C" 1>&6
476 sleep 1
477 AC_MSG_RESULT([ just kidding ;-)])
478 echo
479 echo "----------------------------------------------------------------"
480 echo "Config is DONE!"
481 echo
482 echo "Type 'make' to compile the software and use 'make install' to "
483 echo "install everything to: $prefix."
484 echo
485 echo "If you want to install the perl"
486 echo "modules in site-perl, try 'make site-perl-install'."
487 echo
488 echo " ... that wishlist is NO JOKE. If you find RRDtool useful"
489 echo "make me happy. Go to http://people.ee.ethz.ch/~oetiker/wish and"
490 echo "place an order."
491 echo
492 echo " -- Tobi Oetiker <tobi@oetiker.ch>"
493 echo "----------------------------------------------------------------"