1 dnl RRDtool AutoConf script ...
2 dnl ---------------------------
3 dnl
4 dnl Created by Jeff Allen, Tobi Oetiker, Blair Zajac
5 dnl
6 dnl Inspiration from http://autoconf-archive.cryp.to
8 dnl tell automake the this script is for rrdtool
9 AC_INIT([rrdtool],[1.2rc1])
10 AC_CANONICAL_TARGET
11 AM_INIT_AUTOMAKE
12 AC_CONFIG_HEADERS([config.h])
14 dnl all our local stuff like install scripts and include files
15 dnl is in there
18 dnl determine the type of system we are running on
21 AC_SUBST(VERSION)
23 AC_PREFIX_DEFAULT( /usr/local/rrdtool-$PACKAGE_VERSION )
25 dnl Minimum Autoconf version required.
26 AC_PREREQ(2.59)
28 dnl At the TOP of the HEADER
30 AH_TOP([
32 #ifndef CONFIG_H
33 #define CONFIG_H
34 /* IEEE can be prevented from raising signals with fpsetmask(0) */
35 #undef MUST_DISABLE_FPMASK
37 /* IEEE math only works if SIGFPE gets actively set to IGNORE */
39 #undef MUST_DISABLE_SIGFPE
41 /* realloc does not support NULL as argument */
42 #undef NO_NULL_REALLOC
44 ])
46 AH_BOTTOM([
48 /* define strrchr, strchr and memcpy, memmove in terms of bsd funcs
49 make sure you are NOT using bcopy, index or rindex in the code */
51 #if STDC_HEADERS
52 # include <string.h>
53 #else
54 # ifndef HAVE_STRCHR
55 # define strchr index
56 # define strrchr rindex
57 # endif
58 char *strchr (), *strrchr ();
59 # ifndef HAVE_MEMMOVE
60 # define memcpy(d, s, n) bcopy ((s), (d), (n))
61 # define memmove(d, s, n) bcopy ((s), (d), (n))
62 # endif
63 #endif
66 #if NO_NULL_REALLOC
67 # define rrd_realloc(a,b) ( (a) == NULL ? malloc( (b) ) : realloc( (a) , (b) ))
68 #else
69 # define rrd_realloc(a,b) realloc((a), (b))
70 #endif
72 #if HAVE_MATH_H
73 # include <math.h>
74 #endif
76 #if HAVE_FLOAT_H
77 # include <float.h>
78 #endif
80 #if HAVE_IEEEFP_H
81 # include <ieeefp.h>
82 #endif
84 #if HAVE_FP_CLASS_H
85 # include <fp_class.h>
86 #endif
88 /* for Solaris */
89 #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASS))
90 # define HAVE_ISINF 1
91 # define isinf(a) (fpclass(a) == FP_NINF || fpclass(a) == FP_PINF)
92 #endif
94 /* for OSF1 Digital Unix */
95 #if (! defined(HAVE_ISINF) && defined(HAVE_FP_CLASS) && defined(HAVE_FP_CLASS_H))
96 # define HAVE_ISINF 1
97 # define isinf(a) (fp_class(a) == FP_NEG_INF || fp_class(a) == FP_POS_INF)
98 #endif
100 #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_PLUS_INF) && defined(FP_MINUS_INF))
101 # define HAVE_ISINF 1
102 # define isinf(a) (fpclassify(a) == FP_MINUS_INF || fpclassify(a) == FP_PLUS_INF)
103 #endif
105 #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_INFINITE))
106 # define HAVE_ISINF 1
107 # define isinf(a) (fpclassify(a) == FP_INFINITE)
108 #endif
110 /* for AIX */
111 #if (! defined(HAVE_ISINF) && defined(HAVE_CLASS))
112 # define HAVE_ISINF 1
113 # define isinf(a) (class(a) == FP_MINUS_INF || class(a) == FP_PLUS_INF)
114 #endif
116 #if (! defined (HAVE_FINITE) && defined (HAVE_ISFINITE))
117 # define HAVE_FINITE 1
118 # define finite(a) isfinite(a)
119 #endif
121 #if (! defined(HAVE_FINITE) && defined(HAVE_ISNAN) && defined(HAVE_ISINF))
122 # define HAVE_FINITE 1
123 # define finite(a) (! isnan(a) && ! isinf(a))
124 #endif
126 #ifndef HAVE_FINITE
127 #error "Can't compile without finite function"
128 #endif
130 #ifndef HAVE_ISINF
131 #error "Can't compile without isinf function"
132 #endif
134 #endif /* CONFIG_H */
135 ])
139 dnl Check for the compiler and static/shared library creation.
140 AC_PROG_CC
141 AC_PROG_CPP
142 AC_PROG_LIBTOOL
144 dnl Checks for header files.
145 AC_HEADER_STDC
146 AC_HEADER_DIRENT
147 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)
149 dnl Checks for typedefs, structures, and compiler characteristics.
150 AC_C_CONST
151 AC_HEADER_TIME
152 AC_STRUCT_TM
154 dnl Checks for libraries.
155 AC_CHECK_FUNC(acos, , AC_CHECK_LIB(m, acos))
157 dnl add pic flag in any case this makes sure all our code is relocatable
158 eval `./libtool --config | grep pic_flag`
159 CFLAGS="$CFLAGS $pic_flag"
161 dnl Checks for library functions.
162 AC_FUNC_STRFTIME
163 AC_FUNC_VPRINTF
165 AC_C_BIGENDIAN
167 dnl for each function found we get a definition in config.h
168 dnl of the form HAVE_FUNCTION
170 AC_CHECK_FUNCS(tzset opendir readdir chdir chroot getuid setlocale strerror strerror_r snprintf vsnprintf fpclass class fp_class isnan memmove strchr mktime getrusage gettimeofday)
172 dnl Use mmap in rrd_update instead of seek+write
173 AC_ARG_ENABLE([mmap],
174 [ --disable-mmap disable mmap in rrd_update, use seek+write instead],
175 [],
176 [enable_mmap=yes])
178 if test "x$enable_mmap" = xyes; then
179 AC_FUNC_MMAP
180 fi
182 dnl HP-UX 11.00 does not have finite but does have isfinite as a macro so we need
183 dnl actual code to check if this works
184 AC_CHECK_FUNCS(fpclassify, ,
185 [AC_MSG_CHECKING(for fpclassify with <math.h>)
186 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; fpclassify(f)]])],[AC_MSG_RESULT(yes)
187 AC_DEFINE(HAVE_FPCLASSIFY)],[AC_MSG_RESULT(no)])])
188 AC_CHECK_FUNCS(finite, ,
189 [AC_CHECK_FUNCS(isfinite, ,
190 [AC_MSG_CHECKING(for isfinite with <math.h>)
191 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; isfinite(f)]])],[AC_MSG_RESULT(yes)
192 AC_DEFINE(HAVE_ISFINITE)],[AC_MSG_RESULT(no)])])])
193 AC_CHECK_FUNCS(isinf, ,
194 [AC_MSG_CHECKING(for isinf with <math.h>)
195 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; isinf(f)]])],[AC_MSG_RESULT(yes)
196 AC_DEFINE(HAVE_ISINF)],[AC_MSG_RESULT(no)])])
198 AC_FULL_IEEE
200 dnl How the vertical axis label is printed
201 AC_ARG_VAR(RRDGRAPH_YLEGEND_ANGLE,
202 [Vertical label angle: 90.0 (default) or 270.0])
203 AC_DEFINE_UNQUOTED(RRDGRAPH_YLEGEND_ANGLE,${RRDGRAPH_YLEGEND_ANGLE:-90.0},
204 [Vertical label angle: 90.0 (default) or 270.0])
207 AC_ARG_ENABLE(rrdcgi,[ --disable-rrdcgi disable building of rrdcgi],
208 [],[enable_rrdcgi=yes])
209 AM_CONDITIONAL(BUILD_RRDCGI,[test $enable_rrdcgi != no])
211 if test $enable_rrdcgi != no; then
212 EX_CHECK_ALL(cgi, cgiInit, cgi.h, cgilib, 0.5, http://www.infodrom.org/projects/cgilib, "")
213 fi
214 EX_CHECK_ALL(art_lgpl_2, art_vpath_add_point, libart_lgpl/libart.h, libart-2.0, 2.3.17, ftp://ftp.gnome.org/pub/GNOME/sources/libart_lgpl/2.3/, /usr/include/libart-2.0)
215 EX_CHECK_ALL(z, zlibVersion, zlib.h, zlib, 1.2.1, http://www.gzip.org/zlib/, "")
216 EX_CHECK_ALL(png, png_access_version_number, png.h, libpng, 1.2.8, http://prdownloads.sourceforge.net/libpng/, "")
217 EX_CHECK_ALL(freetype, FT_Init_FreeType, ft2build.h, freetype2, 2.1.9, http://prdownloads.sourceforge.net/freetype/, /usr/include/freetype2)
219 if test "$EX_CHECK_ALL_ERR" = "YES"; then
220 AC_MSG_ERROR([Please fix the library issues listed above and try again.])
221 fi
223 AC_LANG_PUSH(C)
224 dnl solaris has some odd defines it needs in order to propperly compile ctime_r
225 AC_MSG_CHECKING([if ctime_r need special care to act posixly correct])
226 AC_LINK_IFELSE(
227 AC_LANG_PROGRAM(
228 [[#include <time.h>]],
229 [[ctime_r(NULL,NULL,0)]]
230 ),
231 [ CPPFLAGS="$CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS"
232 AC_LINK_IFELSE(
233 AC_LANG_PROGRAM(
234 [[#include <time.h>]],
235 [[ctime_r(NULL,NULL)]]
236 ),
237 [AC_MSG_RESULT([yes, this seems to be solaris style])],
238 [AC_MSG_ERROR([Can't figure how to compile ctime_r])]
239 )
240 ],
241 [ AC_LINK_IFELSE(
242 AC_LANG_PROGRAM(
243 [[#include <time.h>]],
244 [[ctime_r(NULL,NULL)]]
245 ),
246 [AC_MSG_RESULT(yes)],
247 [AC_MSG_ERROR([Can't figure how to compile ctime_r])]
248 )
249 ]
250 )
251 AC_LANG_POP(C)
253 dnl Check for pthreads
254 dnl http://autoconf-archive.cryp.to/acx_pthread.m4
256 AC_SUBST(MULTITHREAD_CFLAGS)
257 AC_SUBST(MULTITHREAD_LDFLAGS)
260 AC_ARG_ENABLE(pthread,[ --disable-pthread disable multithread support],
261 [],[enable_pthread=yes])
264 if test $enable_pthread != no; then
265 ACX_PTHREAD([
266 MULTITHREAD_CFLAGS=$PTHREAD_CFLAGS
267 MULTITHREAD_LDFLAGS=$PTHREAD_LIBS
268 ],
269 [])
270 fi
272 dnl since we use lots of *_r functions all over the code we better
273 dnl make sure they are known
275 if test "x$x_rflag" != "xno"; then
276 CPPFLAGS="$CPPFLAGS $x_rflag"
277 fi
280 AM_CONDITIONAL(BUILD_MULTITHREAD,[test $enable_pthread != no])
282 dnl Check for Perl.
283 AC_PATH_PROG(PERL, perl, no)
284 if test "x$PERL" = "xno"; then
285 COMP_PERL=
286 else
287 COMP_PERL="perl_piped perl_shared"
288 AC_MSG_CHECKING(for the perl version you are running)
289 PERL_VERSION=`$PERL -MConfig -e 'print $Config{version}'`
290 AC_MSG_RESULT($PERL_VERSION)
291 AC_MSG_CHECKING(for the C compiler perl wants to use to build its modules)
292 perlcc=`$PERL -MConfig -e 'print $Config{cc}'`
293 AC_MSG_RESULT($perlcc)
294 if test ! -x $perlcc; then
295 AC_PATH_PROG(PERLCC, ${perlcc}, no)
296 if test -x $"x$PERLCC" = "xno"; then
297 AC_MSG_WARN([
298 I would not find the Compiler ($perlcc) that was originally used to compile your
299 perl binary. You should either make sure that this compiler is available on your
300 system, or use a different perl setup that was compiled with $CC.
302 I will disable the compilation of the RRDs perl module.
303 ])
304 COMP_PERL="perl_piped"
305 fi
306 fi
307 fi
308 AC_MSG_CHECKING(Perl Modules to build)
309 AC_MSG_RESULT(${COMP_PERL:-No Perl Modules will be built})
311 # Options to pass when configuring perl module
312 PERL_MAKE_OPTIONS="PREFIX=$prefix LIB=$prefix/lib/perl/$PERL_VERSION"
314 dnl pass additional perl options when generating Makefile from Makefile.PL
315 AC_ARG_ENABLE(perl-site-install,
316 [ --enable-perl-site-install by default the rrdtool perl modules are installed
317 together with rrdtool in $prefix/lib/perl. You have to
318 put a 'use lib qw($prefix/lib/perl)' into your scripts
319 when you want to use them. When you set this option
320 the perl modules will get installed wherever
321 your perl setup thinks it is best.],
322 [PERL_MAKE_OPTIONS=],[])
324 AC_ARG_WITH(perl-options,
325 [ --with-perl-options=[OPTIONS] options to pass on command-line when
326 generating Makefile from Makefile.PL. If you set this
327 option, interesting things may happen unless you know
328 what you are doing!],
329 [PERL_MAKE_OPTIONS=$withval])
331 AC_SUBST(PERL_MAKE_OPTIONS)
332 AC_SUBST(PERL)
333 AC_SUBST(COMP_PERL)
334 AC_SUBST(PERL_VERSION)
337 dnl Check for Tcl.
338 withval=""
339 AC_ARG_WITH(tcllib,[ --with-tcllib=DIR location of the tclConfig.sh])
340 found=0
341 AC_MSG_CHECKING(for tclConfig.sh in $withval)
342 if test -f "$withval/tclConfig.sh" ; then
343 tcl_config=$withval/tclConfig.sh
344 found=1
345 AC_MSG_RESULT(yes)
346 break
347 else
348 AC_MSG_RESULT(no)
349 fi
351 if test $found -eq 0 ; then
352 AC_MSG_WARN([tclConfig.sh not found - Tcl interface won't be built])
353 else
354 . $tcl_config
355 fi
358 AM_CONDITIONAL(COMP_TCL, test x$found = x1 )
360 AC_SUBST(TCL_PREFIX)
361 AC_SUBST(TCL_SHLIB_CFLAGS)
362 AC_SUBST(TCL_SHLIB_LD)
363 AC_SUBST(TCL_SHLIB_SUFFIX)
364 AC_SUBST(TCL_PACKAGE_PATH)
365 AC_SUBST(TCL_LD_SEARCH_FLAGS)
369 dnl Check for nroff
370 AC_PATH_PROGS(NROFF, gnroff nroff)
371 AC_PATH_PROGS(TROFF, groff troff)
373 dnl Does the compiler like -Wall and -pedantic?
374 if test "x$GCC" = "xyes"; then
375 oCFLAGS=$CFLAGS
376 CFLAGS="$CFLAGS -Wall -pedantic -Wshadow -Wpointer-arith -Wcast-align -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline -W"
377 AC_CACHE_CHECK(if we can use GCC-specific compiler options, rd_cv_gcc_opt,
378 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[return 0 ]])],[rd_cv_gcc_opt=yes],[rd_cv_gcc_opt=no ])
379 ]
380 )
381 if test $rd_cv_gcc_opt = no; then
382 CFLAGS=$oCFLAGS
383 fi
384 fi
386 dnl what does realloc do if it gets called with a NULL pointer
388 AC_CACHE_CHECK([if realloc can deal with NULL], rd_cv_null_realloc,
389 [AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
390 int main(void){
391 char *x = NULL;
392 x = realloc (x,10);
393 if (x==NULL) return 1;
394 return 0;
395 }]])],[rd_cv_null_realloc=yes],[rd_cv_null_realloc=nope],[:])])
397 if test x"$rd_cv_null_realloc" = xnope; then
398 AC_DEFINE(NO_NULL_REALLOC)
399 fi
401 AC_CONFIG_FILES([examples/shared-demo.pl \
402 examples/piped-demo.pl \
403 examples/stripes.pl \
404 examples/bigtops.pl \
405 examples/minmax.pl \
406 examples/cgi-demo.cgi \
407 examples/4charts.pl \
408 examples/Makefile \
409 doc/Makefile \
410 src/Makefile \
411 bindings/Makefile \
412 bindings/tcl/Makefile \
413 Makefile])
414 AC_CONFIG_COMMANDS([default],[[\
415 chmod +x examples/*.cgi examples/*.pl]],[[]])
416 AC_OUTPUT
418 AC_MSG_CHECKING(in)
419 AC_MSG_RESULT(and out again)
421 echo $ECHO_N "ordering CD from http://people.ee.ethz.ch/~oetiker/wish $ECHO_C" 1>&6
422 sleep 1
423 echo $ECHO_N ".$ECHO_C" 1>&6
424 sleep 1
425 echo $ECHO_N ".$ECHO_C" 1>&6
426 sleep 1
427 echo $ECHO_N ".$ECHO_C" 1>&6
428 sleep 1
429 echo $ECHO_N ".$ECHO_C" 1>&6
430 sleep 1
431 AC_MSG_RESULT([ just kidding ;-)])
432 echo
433 echo "----------------------------------------------------------------"
434 echo "Config is DONE!"
435 echo
436 echo " With MMAP IO: $ac_cv_func_mmap_fixed_mapped"
437 echo " Perl Modules: $COMP_PERL"
438 echo " Perl Binary: $PERL"
439 echo " Perl Version: $PERL_VERSION"
440 echo " Perl Options: $PERL_MAKE_OPTIONS"
441 echo " Tcl Config: $tcl_config"
442 echo " Build rrdcgi: $enable_rrdcgi"
443 echo " Build librrd MT: $enable_pthread"
444 echo
445 echo
446 echo "Type 'make' to compile the software and use 'make install' to "
447 echo "install everything to: $prefix."
448 echo
449 echo " ... that wishlist is NO JOKE. If you find RRDtool useful"
450 echo "make me happy. Go to http://people.ee.ethz.ch/oetiker/wish and"
451 echo "place an order."
452 echo
453 echo " -- Tobi Oetiker <tobi@oetiker.ch>"
454 echo "----------------------------------------------------------------"