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=libraries/cgilib-0.4
141 FREETYPE_LIB_DIR=libraries/freetype-2.0.5
142 ART_LIB_DIR=libraries/libart_lgpl-2.3.7
143 PNG_LIB_DIR=libraries/libpng-1.2.0
144 ZLIB_LIB_DIR=libraries/zlib-1.1.3
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)
155 AC_PATH_PROG(PERL, perl, no)
156 if test "x$PERL" = "xno"; then
159 COMP_PERL="perl_piped perl_shared"
160 AC_MSG_CHECKING(for shared library extension)
161 SO_EXT=`$PERL -e 'use Config; if (defined $Config{so} and $Config{so} ne 'a') {print "$Config{so}\n"} else {print "so\n"};'`
162 AC_MSG_RESULT($SO_EXT)
163 AC_MSG_CHECKING(for the C compiler perl wants to use to build its modules)
164 PROBLEMCC=`$PERL -e 'use Config; map {if (-x "$_/$Config{cc}"){exit 0}} split /:/, $ENV{PATH};print $Config{cc}'`
165 if test x$PROBLEMCC != x; then
167 echo Could not find the Compiler: '"'$PROBLEMCC'"'
168 echo which has been used to build perl. You may have to compile
169 echo your own copy of perl to make this work. Binary perls often
170 echo exhibit this problem
181 AC_ARG_WITH(tcllib,[ --with-tcllib=DIR location of the tclConfig.sh])
183 AC_MSG_CHECKING(for tclConfig.sh in $withval)
184 if test -f "$withval/tclConfig.sh" ; then
185 tcl_config=$withval/tclConfig.sh
193 if test $found -eq 0 ; then
194 AC_MSG_WARN([tclConfig.sh not found - Tcl interface won't be built])
199 dnl Pass additional perl options when generating Makefile from Makefile.PL
200 # Options to pass when configuring perl module
201 AC_ARG_WITH(perl-options,
202 [ --with-perl-options=[OPTIONS] options to pass on command-line when
203 generating Makefile from Makefile.PL],
204 [PERL_MAKE_OPTIONS=$withval])
205 AC_SUBST(PERL_MAKE_OPTIONS)
207 AM_CONDITIONAL(COMP_TCL, test x$found = x1 )
210 AC_SUBST(TCL_SHLIB_CFLAGS)
211 AC_SUBST(TCL_SHLIB_LD)
212 AC_SUBST(TCL_SHLIB_SUFFIX)
213 AC_SUBST(TCL_PACKAGE_PATH)
214 AC_SUBST(TCL_LD_SEARCH_FLAGS)
216 dnl Check for the compiler and static/shared library creation.
220 dnl don't build a shared library ...
221 dnl this can be changed when running configure
225 dnl Checks for header files.
227 AC_CHECK_HEADERS(fcntl.h fp_class.h malloc.h unistd.h ieeefp.h math.h sys/time.h sys/times.h sys/param.h sys/resource.h float.h)
229 dnl Checks for typedefs, structures, and compiler characteristics.
234 dnl Checks for libraries.
235 AC_CHECK_FUNC(acos, , AC_CHECK_LIB(m, acos))
238 AC_PATH_PROGS(NROFF, gnroff nroff)
239 AC_PATH_PROGS(TROFF, groff troff)
241 dnl Does the compiler like -Wall and -pedantic?
242 if test "x$GCC" = "xyes"; then
244 CFLAGS="$CFLAGS -Wall -pedantic -Wshadow -Wpointer-arith -Wcast-align -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline"
245 AC_CACHE_CHECK(if we can use GCC-specific compiler options, rd_cv_gcc_opt,
246 [AC_TRY_COMPILE( , return 0 ,
251 if test $rd_cv_gcc_opt = no; then
256 dnl add pic flag in any case this makes sure all our code is relocatable
257 CFLAGS="$CFLAGS "`grep pic_flag= libtool | sed -e 's/.*pic_flag=//' -e 's/"//g'`
260 dnl it seems that hpux chockes on -fPIC for some reason
263 ZLIB_CFLAGS=`echo $CFLAGS|sed -e 's/-fPIC/-fpic/g'`
266 AC_SUBST(ZLIB_CFLAGS)
268 dnl Checks for library functions.
272 dnl for each function found we get a definition in config.h
273 dnl of the form HAVE_FUNCTION
275 AC_CHECK_FUNCS(strerror snprintf vsnprintf fpclass class fp_class isnan memmove strchr mktime getrusage gettimeofday)
277 dnl HP-UX 11.00 does not have finite but does have isfinite as a macro
278 AC_CHECK_FUNCS(fpclassify, ,
279 [AC_MSG_CHECKING(for fpclassify with <math.h>)
280 AC_TRY_LINK([#include <math.h>], [float f = 0.0; fpclassify(f)],
282 AC_DEFINE(HAVE_FPCLASSIFY), AC_MSG_RESULT(no))])
283 AC_CHECK_FUNCS(finite, ,
284 [AC_CHECK_FUNCS(isfinite, ,
285 [AC_MSG_CHECKING(for isfinite with <math.h>)
286 AC_TRY_LINK([#include <math.h>], [float f = 0.0; isfinite(f)],
288 AC_DEFINE(HAVE_ISFINITE), AC_MSG_RESULT(no))])])
289 AC_CHECK_FUNCS(isinf, ,
290 [AC_MSG_CHECKING(for isinf with <math.h>)
291 AC_TRY_LINK([#include <math.h>], [float f = 0.0; isinf(f)],
293 AC_DEFINE(HAVE_ISINF), AC_MSG_RESULT(no))])
295 dnl what does realloc do if it gets called with a NULL pointer
297 AC_CACHE_CHECK([if realloc can deal with NULL], rd_cv_null_realloc,
298 [AC_TRY_RUN([#include <stdlib.h>
302 if (x==NULL) return 1;
305 [rd_cv_null_realloc=yes],[rd_cv_null_realloc=nope],:)])
307 if test x"$rd_cv_null_realloc" = xnope; then
308 AC_DEFINE(NO_NULL_REALLOC)
311 dnl determine how to get IEEE math working
312 dnl AC_IEEE(MESSAGE, set rd_cv_ieee_[var] variable, INCLUDES,
313 dnl FUNCTION-BODY, [ACTION-IF-FOUND [,ACTION-IF-NOT-FOUND]])
318 AC_MSG_CHECKING([if IEEE math works $1])
319 AC_CACHE_VAL([rd_cv_ieee_$2],
335 # include <fp_class.h>
339 #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASS))
340 # define HAVE_ISINF 1
341 # define isinf(a) (fpclass(a) == FP_NINF || fpclass(a) == FP_PINF)
345 #if (! defined(HAVE_ISINF) && defined(HAVE_FP_CLASS) && defined(HAVE_FP_CLASS_H))
346 # define HAVE_ISINF 1
347 # define isinf(a) (fp_class(a) == FP_NEG_INF || fp_class(a) == FP_POS_INF)
351 #if (! defined(HAVE_ISINF) && defined(HAVE_CLASS))
352 # define HAVE_ISINF 1
353 # define isinf(a) (class(a) == FP_MINUS_INF || class(a) == FP_PLUS_INF)
356 #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_PLUS_INF) && defined(FP_MINUS_INF))
357 # define HAVE_ISINF 1
358 # define isinf(a) (fpclassify(a) == FP_MINUS_INF || fpclassify(a) == FP_PLUS_INF)
361 #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_INFINITE))
362 # define HAVE_ISINF 1
363 # define isinf(a) (fpclassify(a) == FP_INFINITE)
368 double nan,inf,c,zero;
370 /* some math to see if we get a floating point exception */
371 zero=sin(0.0); /* don't let the compiler optimize us away */
372 nan=0.0/zero; /* especially here */
373 inf=1.0/zero; /* and here. I want to know if it can do the magic */
374 /* at run time without sig fpe */
377 if (! isnan(nan)) {printf ("not isnan(NaN) ... "); return 1;}
378 if (nan == nan) {printf ("nan == nan ... "); return 1;}
379 if (! isinf(inf)) {printf ("not isinf(oo) ... "); return 1;}
380 if (! isinf(-inf)) {printf ("not isinf(-oo) ... "); return 1;}
381 if (! inf > 0) {printf ("not inf > 0 ... "); return 1;}
382 if (! -inf < 0) {printf ("not -inf < 0 ... "); return 1;}
389 dnl these we run regardles is cached or not
390 if test x${rd_cv_ieee_$2} = "xyes"; then
401 AC_IEEE([out of the box], works, , , ,
402 [CFLAGS="$_cflags -ieee"
403 AC_IEEE([with the -ieee switch], switch, , , ,
404 [CFLAGS="$_cflags -qfloat=nofold"
405 AC_IEEE([with the -qfloat=nofold switch], nofold, , , ,
406 [CFLAGS="$_cflags -w -qflttrap=enable:zerodivide"
407 AC_IEEE([with the -w -qflttrap=enable:zerodivide], flttrap, , , ,
408 [CFLAGS="$_cflags -mieee"
409 AC_IEEE([with the -mieee switch], mswitch, , , ,
410 [CFLAGS="$_cflags -q float=rndsngl"
411 AC_IEEE([with the -q float=rndsngl switch], qswitch, , , ,
412 [CFLAGS="$_cflags -OPT:IEEE_comparisons=ON"
413 AC_IEEE([with the -OPT:IEEE_comparisons=ON switch], ieeecmpswitch, , , ,
415 AC_IEEE([with fpsetmask(0)], mask,
416 [#include <floatingpoint.h>], [fpsetmask(0)],
417 [AC_DEFINE(MUST_DISABLE_FPMASK)
418 PERLFLAGS="CCFLAGS=-DMUST_DISABLE_FPMASK"],
419 [AC_IEEE([with signal(SIGFPE,SIG_IGN)], sigfpe,
420 [#include <signal.h>], [signal(SIGFPE,SIG_IGN)],
421 [AC_DEFINE(MUST_DISABLE_SIGFPE)
422 PERLFLAGS="CCFLAGS=-DMUST_DISABLE_SIGFPE"],
424 Your Compiler does not do propper IEEE math ... Please find out how to
425 make IEEE math work with your compiler and let me know (oetiker@ee.ethz.ch).
426 Check config.log to see what went wrong ...
430 AC_CONFIG_FILES([examples/shared-demo.pl \
431 examples/piped-demo.pl \
432 examples/stripes.pl \
433 examples/bigtops.pl \
435 examples/cgi-demo.cgi \
439 libraries/cgilib-0.4/Makefile \
440 libraries/libart_lgpl-2.3.7/Makefile \
441 libraries/libpng-1.2.0/Makefile \
442 libraries/zlib-1.1.3/Makefile \
443 libraries/freetype-2.0.5/Makefile \
446 bindings/tcl/Makefile \
448 AC_CONFIG_COMMANDS([default],[[\
449 chmod +x examples/*.cgi examples/*.pl]],[[]])
453 AC_MSG_RESULT(and out again)
455 echo $ECHO_N "ordering CD from http://ee-staff.ethz.ch/~oetiker/wish $ECHO_C" 1>&6
457 echo $ECHO_N ".$ECHO_C" 1>&6
459 echo $ECHO_N ".$ECHO_C" 1>&6
461 echo $ECHO_N ".$ECHO_C" 1>&6
463 echo $ECHO_N ".$ECHO_C" 1>&6
465 AC_MSG_RESULT([ just kidding ;-)])
467 echo "----------------------------------------------------------------"
468 echo "Config is DONE!"
470 echo "Type 'make' to compile the software and use 'make install' to "
471 echo "install everything to: $prefix."
473 echo "If you want to install the perl"
474 echo "modules in site-perl, try 'make site-perl-install'."
476 echo " ... that wishlist is NO JOKE. If you find RRDtool useful"
477 echo "make me happy. Go to http://ee-staff.ethz.ch/~oetiker/wish and"
478 echo "place an order."
480 echo " -- Tobi Oetiker <tobi@oetiker.ch>"
481 echo "----------------------------------------------------------------"