1 dnl RRDtool AutoConf script ...
2 dnl ---------------------------
4 dnl Created by Jeff Allen, Tobi Oetiker, Blair Zajac
8 dnl tell automake the this script is for rrdtool
9 AC_INIT([rrdtool],[1.1.0])
12 AM_CONFIG_HEADER(config.h)
13 # AC_CONFIG_AUX_DIR(config)
15 dnl all our local stuff like install scripts and include files
19 dnl determine the type of system we are running on
24 dnl where we install our stuff ...
25 AC_PREFIX_DEFAULT( /usr/local/rrdtool-1.1.0 )
27 dnl Minimum Autoconf version required.
30 dnl At the TOP of the HEADER
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
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 */
57 # define strrchr rindex
59 char *strchr (), *strrchr ();
61 # define memcpy(d, s, n) bcopy ((s), (d), (n))
62 # define memmove(d, s, n) bcopy ((s), (d), (n))
68 # define rrd_realloc(a,b) ( (a) == NULL ? malloc( (b) ) : realloc( (a) , (b) ))
70 # define rrd_realloc(a,b) realloc((a), (b))
86 # include <fp_class.h>
90 #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASS))
92 # define isinf(a) (fpclass(a) == FP_NINF || fpclass(a) == FP_PINF)
95 /* for OSF1 Digital Unix */
96 #if (! defined(HAVE_ISINF) && defined(HAVE_FP_CLASS) && defined(HAVE_FP_CLASS_H))
98 # define isinf(a) (fp_class(a) == FP_NEG_INF || fp_class(a) == FP_POS_INF)
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)
106 #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_INFINITE))
107 # define HAVE_ISINF 1
108 # define isinf(a) (fpclassify(a) == FP_INFINITE)
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)
117 #if (! defined (HAVE_FINITE) && defined (HAVE_ISFINITE))
118 # define HAVE_FINITE 1
119 # define finite(a) isfinite(a)
122 #if (! defined(HAVE_FINITE) && defined(HAVE_ISNAN) && defined(HAVE_ISINF))
123 # define HAVE_FINITE 1
124 # define finite(a) (! isnan(a) && ! isinf(a))
128 #error "Can't compile without finite function"
132 #error "Can't compile without isinf function"
135 #endif /* CONFIG_H */
140 dnl Check for the compiler and static/shared library creation.
145 dnl Checks for header files.
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.
155 dnl substitute them in all the files listed in AC_OUTPUT
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])
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
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 $5.
181 ############################################################################
186 EX_CHECK_ALL(cgi, cgiInit, cgi.h, cgilib, 0.5, http://www.infodrom.org/projects/cgilib)
187 EX_CHECK_ALL(art_lgpl_2, art_vpath_add_point, libart_lgpl/libart.h, libart_lgpl, 2.3.16, ftp://ftp.gnome.org/pub/GNOME/sources/libart_lgpl/2.3/)
188 EX_CHECK_ALL(z, zlibVersion, zlib.h, zlib, 1.2.1, http://www.gzip.org/zlib/)
189 EX_CHECK_ALL(png, png_access_version_number, png.h, libpng, 1.2.5, http://prdownloads.sourceforge.net/libpng/)
190 EX_CHECK_ALL(freetype, FT_Init_FreeType, ft2build.h, freetype, 2.1.5, http://prdownloads.sourceforge.net/freetype/)
192 dnl How the vertical axis label is printed
193 AC_ARG_VAR(RRDGRAPH_YLEGEND_ANGLE,
194 [Vertical label angle: 90.0 (default) or 270.0])
195 AC_DEFINE_UNQUOTED(RRDGRAPH_YLEGEND_ANGLE,${RRDGRAPH_YLEGEND_ANGLE:-90.0},
196 [Vertical label angle: 90.0 (default) or 270.0])
200 AC_PATH_PROG(PERL, perl, no)
201 if test "x$PERL" = "xno"; then
204 COMP_PERL="perl_piped perl_shared"
205 AC_MSG_CHECKING(for shared library extension)
206 SO_EXT=`$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
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
226 AC_ARG_WITH(tcllib,[ --with-tcllib=DIR location of the tclConfig.sh])
228 AC_MSG_CHECKING(for tclConfig.sh in $withval)
229 if test -f "$withval/tclConfig.sh" ; then
230 tcl_config=$withval/tclConfig.sh
238 if test $found -eq 0 ; then
239 AC_MSG_WARN([tclConfig.sh not found - Tcl interface won't be built])
244 dnl Pass additional perl options when generating Makefile from Makefile.PL
245 # Options to pass when configuring perl module
246 AC_ARG_WITH(perl-options,
247 [ --with-perl-options=[OPTIONS] options to pass on command-line when
248 generating Makefile from Makefile.PL],
249 [PERL_MAKE_OPTIONS=$withval])
250 AC_SUBST(PERL_MAKE_OPTIONS)
252 AM_CONDITIONAL(COMP_TCL, test x$found = x1 )
255 AC_SUBST(TCL_SHLIB_CFLAGS)
256 AC_SUBST(TCL_SHLIB_LD)
257 AC_SUBST(TCL_SHLIB_SUFFIX)
258 AC_SUBST(TCL_PACKAGE_PATH)
259 AC_SUBST(TCL_LD_SEARCH_FLAGS)
264 AC_PATH_PROGS(NROFF, gnroff nroff)
265 AC_PATH_PROGS(TROFF, groff troff)
267 dnl Does the compiler like -Wall and -pedantic?
268 if test "x$GCC" = "xyes"; then
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 ])
275 if test $rd_cv_gcc_opt = no; then
280 dnl add pic flag in any case this makes sure all our code is relocatable
281 CFLAGS="$CFLAGS "`grep pic_flag= libtool | head -1|sed -e 's/.*pic_flag=//' -e 's/"//g'`
284 dnl it seems that hpux chockes on -fPIC for some reason
287 ZLIB_CFLAGS=`echo $CFLAGS|sed -e 's/-fPIC/-fpic/g'`
290 AC_SUBST(ZLIB_CFLAGS)
292 dnl Checks for library functions.
296 dnl for each function found we get a definition in config.h
297 dnl of the form HAVE_FUNCTION
299 AC_CHECK_FUNCS(tzset opendir readdir chdir chroot getuid setlocale strerror strerror_r snprintf vsnprintf fpclass class fp_class isnan memmove strchr mktime getrusage gettimeofday)
301 dnl HP-UX 11.00 does not have finite but does have isfinite as a macro
302 AC_CHECK_FUNCS(fpclassify, ,
303 [AC_MSG_CHECKING(for fpclassify with <math.h>)
304 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; fpclassify(f)]])],[AC_MSG_RESULT(yes)
305 AC_DEFINE(HAVE_FPCLASSIFY)],[AC_MSG_RESULT(no)])])
306 AC_CHECK_FUNCS(finite, ,
307 [AC_CHECK_FUNCS(isfinite, ,
308 [AC_MSG_CHECKING(for isfinite with <math.h>)
309 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; isfinite(f)]])],[AC_MSG_RESULT(yes)
310 AC_DEFINE(HAVE_ISFINITE)],[AC_MSG_RESULT(no)])])])
311 AC_CHECK_FUNCS(isinf, ,
312 [AC_MSG_CHECKING(for isinf with <math.h>)
313 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; isinf(f)]])],[AC_MSG_RESULT(yes)
314 AC_DEFINE(HAVE_ISINF)],[AC_MSG_RESULT(no)])])
316 dnl what does realloc do if it gets called with a NULL pointer
318 AC_CACHE_CHECK([if realloc can deal with NULL], rd_cv_null_realloc,
319 [AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
323 if (x==NULL) return 1;
325 }]])],[rd_cv_null_realloc=yes],[rd_cv_null_realloc=nope],[:])])
327 if test x"$rd_cv_null_realloc" = xnope; then
328 AC_DEFINE(NO_NULL_REALLOC)
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]])
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
355 # include <fp_class.h>
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)
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)
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)
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)
381 #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_INFINITE))
382 # define HAVE_ISINF 1
383 # define isinf(a) (fpclassify(a) == FP_INFINITE)
388 double nan,inf,c,zero;
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 */
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;}
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_$2} = "xyes"; then
417 AC_IEEE([out of the box], works, , , ,
418 [CFLAGS="$_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, , , ,
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"],
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 \
453 examples/cgi-demo.cgi \
458 bindings/tcl/Makefile \
460 AC_CONFIG_COMMANDS([default],[[\
461 chmod +x examples/*.cgi examples/*.pl]],[[]])
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
469 echo $ECHO_N ".$ECHO_C" 1>&6
471 echo $ECHO_N ".$ECHO_C" 1>&6
473 echo $ECHO_N ".$ECHO_C" 1>&6
475 echo $ECHO_N ".$ECHO_C" 1>&6
477 AC_MSG_RESULT([ just kidding ;-)])
479 echo "----------------------------------------------------------------"
480 echo "Config is DONE!"
482 echo "Type 'make' to compile the software and use 'make install' to "
483 echo "install everything to: $prefix."
485 echo "If you want to install the perl"
486 echo "modules in site-perl, try 'make site-perl-install'."
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."
492 echo " -- Tobi Oetiker <tobi@oetiker.ch>"
493 echo "----------------------------------------------------------------"