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(src/rrd_tool.c)
10 AC_CONFIG_AUX_DIR(config)
11 AC_CANONICAL_TARGET([])
12 AM_INIT_AUTOMAKE(rrdtool, 1.1.0)
13 AM_CONFIG_HEADER(config/config.h)
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 */
139 dnl Define library subdirectory names here.
140 CGI_LIB_DIR=cgilib-0.4
141 FREETYPE_LIB_DIR=freetype-2.0.5
142 ART_LIB_DIR=libart_lgpl-2.3.7
143 PNG_LIB_DIR=libpng-1.2.0
144 ZLIB_LIB_DIR=zlib-1.1.4
146 dnl substitute them in all the files listed in AC_OUTPUT
147 AC_SUBST(CGI_LIB_DIR)
148 AC_SUBST(ART_LIB_DIR)
149 AC_SUBST(PNG_LIB_DIR)
150 AC_SUBST(FREETYPE_LIB_DIR)
151 AC_SUBST(ZLIB_LIB_DIR)
154 INCLUDED_LIB(cgi,cgiInit)
155 INCLUDED_LIB(art_lgpl,art_vpath_add_point)
156 INCLUDED_LIB(png,png_access_version_number)
157 INCLUDED_LIB(freetype,FT_Init_FreeType)
158 INCLUDED_LIB(z,zlibVersion)
161 AC_PATH_PROG(PERL, perl, no)
162 if test "x$PERL" = "xno"; then
165 COMP_PERL="perl_piped perl_shared"
166 AC_MSG_CHECKING(for shared library extension)
167 SO_EXT=`$PERL -e 'use Config; if (defined $Config{so} and $Config{so} ne 'a') {print "$Config{so}\n"} else {print "so\n"};'`
168 AC_MSG_RESULT($SO_EXT)
169 AC_MSG_CHECKING(for the C compiler perl wants to use to build its modules)
170 PROBLEMCC=`$PERL -e 'use Config; map {if (-x "$_/$Config{cc}"){exit 0}} split /:/, $ENV{PATH};print $Config{cc}'`
171 if test x$PROBLEMCC != x; then
173 echo Could not find the Compiler: '"'$PROBLEMCC'"'
174 echo which has been used to build perl. You may have to compile
175 echo your own copy of perl to make this work. Binary perls often
176 echo exhibit this problem
187 AC_ARG_WITH(tcllib,[ --with-tcllib=DIR location of the tclConfig.sh])
189 AC_MSG_CHECKING(for tclConfig.sh in $withval)
190 if test -f "$withval/tclConfig.sh" ; then
191 tcl_config=$withval/tclConfig.sh
199 if test $found -eq 0 ; then
200 AC_MSG_WARN([tclConfig.sh not found - Tcl interface won't be built])
205 dnl Pass additional perl options when generating Makefile from Makefile.PL
206 # Options to pass when configuring perl module
207 AC_ARG_WITH(perl-options,
208 [ --with-perl-options=[OPTIONS] options to pass on command-line when
209 generating Makefile from Makefile.PL],
210 [PERL_MAKE_OPTIONS=$withval])
211 AC_SUBST(PERL_MAKE_OPTIONS)
213 AM_CONDITIONAL(COMP_TCL, test x$found = x1 )
216 AC_SUBST(TCL_SHLIB_CFLAGS)
217 AC_SUBST(TCL_SHLIB_LD)
218 AC_SUBST(TCL_SHLIB_SUFFIX)
219 AC_SUBST(TCL_PACKAGE_PATH)
220 AC_SUBST(TCL_LD_SEARCH_FLAGS)
222 dnl Check for the compiler and static/shared library creation.
226 dnl don't build a shared library ...
227 dnl this can be changed when running configure
231 dnl Checks for header files.
234 AC_CHECK_HEADERS(sys/stat.h sys/types.h fcntl.h time.h locale.h fp_class.h malloc.h unistd.h ieeefp.h math.h sys/time.h sys/times.h sys/param.h sys/resource.h float.h)
236 dnl Checks for typedefs, structures, and compiler characteristics.
241 dnl Checks for libraries.
242 AC_CHECK_FUNC(acos, , AC_CHECK_LIB(m, acos))
245 AC_PATH_PROGS(NROFF, gnroff nroff)
246 AC_PATH_PROGS(TROFF, groff troff)
248 dnl Does the compiler like -Wall and -pedantic?
249 if test "x$GCC" = "xyes"; then
251 CFLAGS="$CFLAGS -Wall -pedantic -Wshadow -Wpointer-arith -Wcast-align -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline -W"
252 AC_CACHE_CHECK(if we can use GCC-specific compiler options, rd_cv_gcc_opt,
253 [AC_TRY_COMPILE( , return 0 ,
258 if test $rd_cv_gcc_opt = no; then
263 dnl add pic flag in any case this makes sure all our code is relocatable
264 CFLAGS="$CFLAGS "`grep pic_flag= libtool | sed -e 's/.*pic_flag=//' -e 's/"//g'`
267 dnl it seems that hpux chockes on -fPIC for some reason
270 ZLIB_CFLAGS=`echo $CFLAGS|sed -e 's/-fPIC/-fpic/g'`
273 AC_SUBST(ZLIB_CFLAGS)
275 dnl Checks for library functions.
279 dnl for each function found we get a definition in config.h
280 dnl of the form HAVE_FUNCTION
282 AC_CHECK_FUNCS(tzset opendir readdir chdir chroot getuid setlocale strerror snprintf vsnprintf fpclass class fp_class isnan memmove strchr mktime getrusage gettimeofday)
284 dnl HP-UX 11.00 does not have finite but does have isfinite as a macro
285 AC_CHECK_FUNCS(fpclassify, ,
286 [AC_MSG_CHECKING(for fpclassify with <math.h>)
287 AC_TRY_LINK([#include <math.h>], [float f = 0.0; fpclassify(f)],
289 AC_DEFINE(HAVE_FPCLASSIFY), AC_MSG_RESULT(no))])
290 AC_CHECK_FUNCS(finite, ,
291 [AC_CHECK_FUNCS(isfinite, ,
292 [AC_MSG_CHECKING(for isfinite with <math.h>)
293 AC_TRY_LINK([#include <math.h>], [float f = 0.0; isfinite(f)],
295 AC_DEFINE(HAVE_ISFINITE), AC_MSG_RESULT(no))])])
296 AC_CHECK_FUNCS(isinf, ,
297 [AC_MSG_CHECKING(for isinf with <math.h>)
298 AC_TRY_LINK([#include <math.h>], [float f = 0.0; isinf(f)],
300 AC_DEFINE(HAVE_ISINF), AC_MSG_RESULT(no))])
302 dnl what does realloc do if it gets called with a NULL pointer
304 AC_CACHE_CHECK([if realloc can deal with NULL], rd_cv_null_realloc,
305 [AC_TRY_RUN([#include <stdlib.h>
309 if (x==NULL) return 1;
312 [rd_cv_null_realloc=yes],[rd_cv_null_realloc=nope],:)])
314 if test x"$rd_cv_null_realloc" = xnope; then
315 AC_DEFINE(NO_NULL_REALLOC)
318 dnl determine how to get IEEE math working
319 dnl AC_IEEE(MESSAGE, set rd_cv_ieee_[var] variable, INCLUDES,
320 dnl FUNCTION-BODY, [ACTION-IF-FOUND [,ACTION-IF-NOT-FOUND]])
325 AC_MSG_CHECKING([if IEEE math works $1])
326 AC_CACHE_VAL([rd_cv_ieee_$2],
342 # include <fp_class.h>
346 #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASS))
347 # define HAVE_ISINF 1
348 # define isinf(a) (fpclass(a) == FP_NINF || fpclass(a) == FP_PINF)
352 #if (! defined(HAVE_ISINF) && defined(HAVE_FP_CLASS) && defined(HAVE_FP_CLASS_H))
353 # define HAVE_ISINF 1
354 # define isinf(a) (fp_class(a) == FP_NEG_INF || fp_class(a) == FP_POS_INF)
358 #if (! defined(HAVE_ISINF) && defined(HAVE_CLASS))
359 # define HAVE_ISINF 1
360 # define isinf(a) (class(a) == FP_MINUS_INF || class(a) == FP_PLUS_INF)
363 #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_PLUS_INF) && defined(FP_MINUS_INF))
364 # define HAVE_ISINF 1
365 # define isinf(a) (fpclassify(a) == FP_MINUS_INF || fpclassify(a) == FP_PLUS_INF)
368 #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_INFINITE))
369 # define HAVE_ISINF 1
370 # define isinf(a) (fpclassify(a) == FP_INFINITE)
375 double nan,inf,c,zero;
377 /* some math to see if we get a floating point exception */
378 zero=sin(0.0); /* don't let the compiler optimize us away */
379 nan=0.0/zero; /* especially here */
380 inf=1.0/zero; /* and here. I want to know if it can do the magic */
381 /* at run time without sig fpe */
384 if (! isnan(nan)) {printf ("not isnan(NaN) ... "); return 1;}
385 if (nan == nan) {printf ("nan == nan ... "); return 1;}
386 if (! isinf(inf)) {printf ("not isinf(oo) ... "); return 1;}
387 if (! isinf(-inf)) {printf ("not isinf(-oo) ... "); return 1;}
388 if (! inf > 0) {printf ("not inf > 0 ... "); return 1;}
389 if (! -inf < 0) {printf ("not -inf < 0 ... "); return 1;}
396 dnl these we run regardles is cached or not
397 if test x${rd_cv_ieee_$2} = "xyes"; then
408 AC_IEEE([out of the box], works, , , ,
409 [CFLAGS="$_cflags -ieee"
410 AC_IEEE([with the -ieee switch], switch, , , ,
411 [CFLAGS="$_cflags -qfloat=nofold"
412 AC_IEEE([with the -qfloat=nofold switch], nofold, , , ,
413 [CFLAGS="$_cflags -w -qflttrap=enable:zerodivide"
414 AC_IEEE([with the -w -qflttrap=enable:zerodivide], flttrap, , , ,
415 [CFLAGS="$_cflags -mieee"
416 AC_IEEE([with the -mieee switch], mswitch, , , ,
417 [CFLAGS="$_cflags -q float=rndsngl"
418 AC_IEEE([with the -q float=rndsngl switch], qswitch, , , ,
419 [CFLAGS="$_cflags -OPT:IEEE_NaN_inf=ON"
420 AC_IEEE([with the -OPT:IEEE_NaN_inf=ON switch], ieeenaninfswitch, , , ,
421 [CFLAGS="$_cflags -OPT:IEEE_comparisons=ON"
422 AC_IEEE([with the -OPT:IEEE_comparisons=ON switch], ieeecmpswitch, , , ,
424 AC_IEEE([with fpsetmask(0)], mask,
425 [#include <floatingpoint.h>], [fpsetmask(0)],
426 [AC_DEFINE(MUST_DISABLE_FPMASK)
427 PERLFLAGS="CCFLAGS=-DMUST_DISABLE_FPMASK"],
428 [AC_IEEE([with signal(SIGFPE,SIG_IGN)], sigfpe,
429 [#include <signal.h>], [signal(SIGFPE,SIG_IGN)],
430 [AC_DEFINE(MUST_DISABLE_SIGFPE)
431 PERLFLAGS="CCFLAGS=-DMUST_DISABLE_SIGFPE"],
433 Your Compiler does not do propper IEEE math ... Please find out how to
434 make IEEE math work with your compiler and let me know (oetiker@ee.ethz.ch).
435 Check config.log to see what went wrong ...
436 ]))])])])])])])])])])
439 AC_CONFIG_FILES([examples/shared-demo.pl \
440 examples/piped-demo.pl \
441 examples/stripes.pl \
442 examples/bigtops.pl \
444 examples/cgi-demo.cgi \
448 libraries/cgilib-0.4/Makefile \
449 libraries/libart_lgpl-2.3.7/Makefile \
450 libraries/libpng-1.2.0/Makefile \
451 libraries/zlib-1.1.4/Makefile \
452 libraries/freetype-2.0.5/Makefile \
453 libraries/afm/Makefile \
456 bindings/tcl/Makefile \
458 AC_CONFIG_COMMANDS([default],[[\
459 chmod +x examples/*.cgi examples/*.pl]],[[]])
463 AC_MSG_RESULT(and out again)
465 echo $ECHO_N "ordering CD from http://people.ee.ethz.ch/~oetiker/wish $ECHO_C" 1>&6
467 echo $ECHO_N ".$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 AC_MSG_RESULT([ just kidding ;-)])
477 echo "----------------------------------------------------------------"
478 echo "Config is DONE!"
480 echo "Type 'make' to compile the software and use 'make install' to "
481 echo "install everything to: $prefix."
483 echo "If you want to install the perl"
484 echo "modules in site-perl, try 'make site-perl-install'."
486 echo " ... that wishlist is NO JOKE. If you find RRDtool useful"
487 echo "make me happy. Go to http://people.ee.ethz.ch/~oetiker/wish and"
488 echo "place an order."
490 echo " -- Tobi Oetiker <tobi@oetiker.ch>"
491 echo "----------------------------------------------------------------"