dnl RRDtool AutoConf script ... dnl --------------------------- dnl dnl Created by Jeff Allen, Tobi Oetiker, Blair Zajac dnl dnl dnl make sure we are being executed in the right place AC_INIT(src/rrd_tool.c) dnl all our local stuff like install scripts and include files dnl is in there AC_CONFIG_AUX_DIR(config) dnl determine the type of system we are running on AC_CANONICAL_SYSTEM dnl tell automake the this script is for rrdtool AM_INIT_AUTOMAKE(rrdtool, 1.0.33) AC_SUBST(VERSION) dnl where we install our stuff ... AC_PREFIX_DEFAULT( /usr/local/rrdtool-1.0.33 ) dnl tell automake which file to use as config header AM_CONFIG_HEADER(config/config.h) dnl Minimum Autoconf version required. AC_PREREQ(2.13) dnl Define library subdirectory names here. CGI_LIB_DIR=libraries/cgilib-0.4 GD_LIB_DIR=libraries/gd1.3 PNG_LIB_DIR=libraries/libpng-1.0.9 ZLIB_LIB_DIR=libraries/zlib-1.1.3 dnl substitute them in all the files listed in AC_OUTPUT AC_SUBST(CGI_LIB_DIR) AC_SUBST(GD_LIB_DIR) AC_SUBST(PNG_LIB_DIR) AC_SUBST(ZLIB_LIB_DIR) AC_SUBST(PERLFLAGS) dnl Check for Perl. AC_PATH_PROG(PERL, perl, no) if test "x$PERL" = "xno"; then COMP_PERL= else COMP_PERL="perl_piped perl_shared" AC_MSG_CHECKING(for shared library extension) SO_EXT=`$PERL -e 'use Config; if (defined $Config{so} and $Config{so} ne 'a') {print "$Config{so}\n"} else {print "so\n"};'` AC_MSG_RESULT($SO_EXT) AC_MSG_CHECKING(for the C compiler perl wants to use to build its modules) PROBLEMCC=`$PERL -e 'use Config; map {if (-x "$_/$Config{cc}"){exit 0}} split /:/, $ENV{PATH};print $Config{cc}'` if test x$PROBLEMCC != x; then AC_MSG_RESULT(no) echo Could not find the Compiler: '"'$PROBLEMCC'"' echo which has been used to build perl. You may have to compile echo your own copy of perl to make this work. Binary perls often echo exhibit this problem exit 1 else AC_MSG_RESULT(found) fi fi AC_SUBST(COMP_PERL) AC_SUBST(SO_EXT) dnl Check for Tcl. withval="" AC_ARG_WITH(tcllib,[ --with-tcllib=DIR location of the tclConfig.sh]) found=0 AC_MSG_CHECKING(for tclConfig.sh in $withval) if test -f "$withval/tclConfig.sh" ; then tcl_config=$withval/tclConfig.sh found=1 AC_MSG_RESULT(yes) break else AC_MSG_RESULT(no) fi if test $found -eq 0 ; then AC_MSG_WARN([tclConfig.sh not found - Tcl interface won't be built]) else . $tcl_config fi dnl Pass additional perl options when generating Makefile from Makefile.PL # Options to pass when configuring perl module AC_ARG_WITH(perl-options, [ --with-perl-options=[OPTIONS] options to pass on command-line when generating Makefile from Makefile.PL], [PERL_MAKE_OPTIONS=$withval]) AC_SUBST(PERL_MAKE_OPTIONS) AM_CONDITIONAL(COMP_TCL, test x$found = x1 ) AC_SUBST(TCL_PREFIX) AC_SUBST(TCL_SHLIB_CFLAGS) AC_SUBST(TCL_SHLIB_LD) AC_SUBST(TCL_SHLIB_SUFFIX) AC_SUBST(TCL_PACKAGE_PATH) AC_SUBST(TCL_LD_SEARCH_FLAGS) dnl Check for the compiler and static/shared library creation. AC_PROG_CC AC_PROG_CPP dnl RRD_ACLOCAL_FIND_LIBTOOL dnl don't build a shared library ... dnl this can be changed when running configure AC_DISABLE_SHARED AM_PROG_LIBTOOL dnl Checks for header files. AC_HEADER_STDC AC_CHECK_HEADERS(fcntl.h fp_class.h malloc.h unistd.h ieeefp.h math.h sys/time.h sys/times.h sys/param.h sys/resource.h float.h) dnl Checks for typedefs, structures, and compiler characteristics. AC_C_CONST AC_HEADER_TIME AC_STRUCT_TM dnl Checks for libraries. AC_CHECK_FUNC(acos, , AC_CHECK_LIB(m, acos)) dnl Check for nroff AC_PATH_PROGS(NROFF, gnroff nroff) AC_PATH_PROGS(TROFF, groff troff) dnl Does the compiler like -Wall and -pedantic? if test "x$GCC" = "xyes"; then oCFLAGS=$CFLAGS CFLAGS="$CFLAGS -Wall -pedantic -Wshadow -Wpointer-arith -Wcast-align -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline" AC_CACHE_CHECK(if we can use GCC-specific compiler options, rd_cv_gcc_opt, [AC_TRY_COMPILE( , return 0 , rd_cv_gcc_opt=yes, rd_cv_gcc_opt=no ) ] ) if test $rd_cv_gcc_opt = no; then CFLAGS=$oCFLAGS fi fi dnl add pic flag in any case this makes sure all our code is relocatable CFLAGS="$CFLAGS "`grep pic_flag= libtool | sed -e 's/.*pic_flag=//' -e 's/"//g'` ZLIB_CFLAGS=$CFLAGS dnl it seems that hpux chockes on -fPIC for some reason case $target_os in *hpux*) ZLIB_CFLAGS=`echo $CFLAGS|sed -e 's/-fPIC/-fpic/g'` ;; esac AC_SUBST(ZLIB_CFLAGS) dnl Checks for library functions. AC_FUNC_STRFTIME AC_FUNC_VPRINTF dnl for each function found we get a definition in config.h dnl of the form HAVE_FUNCTION AC_CHECK_FUNCS(strerror snprintf vsnprintf fpclass class fp_class isnan memmove strchr mktime getrusage gettimeofday) dnl HP-UX 11.00 does not have finite but does have isfinite as a macro AC_CHECK_FUNCS(fpclassify, , [AC_MSG_CHECKING(for fpclassify with ) AC_TRY_LINK([#include ], [float f = 0.0; fpclassify(f)], AC_MSG_RESULT(yes) AC_DEFINE(HAVE_FPCLASSIFY), AC_MSG_RESULT(no))]) AC_CHECK_FUNCS(finite, , [AC_CHECK_FUNCS(isfinite, , [AC_MSG_CHECKING(for isfinite with ) AC_TRY_LINK([#include ], [float f = 0.0; isfinite(f)], AC_MSG_RESULT(yes) AC_DEFINE(HAVE_ISFINITE), AC_MSG_RESULT(no))])]) AC_CHECK_FUNCS(isinf, , [AC_MSG_CHECKING(for isinf with ) AC_TRY_LINK([#include ], [float f = 0.0; isinf(f)], AC_MSG_RESULT(yes) AC_DEFINE(HAVE_ISINF), AC_MSG_RESULT(no))]) dnl what does realloc do if it gets called with a NULL pointer AC_CACHE_CHECK([if realloc can deal with NULL], rd_cv_null_realloc, [AC_TRY_RUN([#include int main(void){ char *x = NULL; x = realloc (x,10); if (x==NULL) return 1; return 0; }], [rd_cv_null_realloc=yes],[rd_cv_null_realloc=nope],:)]) if test x"$rd_cv_null_realloc" = xnope; then AC_DEFINE(NO_NULL_REALLOC) fi dnl determine how to get IEEE math working dnl AC_IEEE(MESSAGE, set rd_cv_ieee_[var] variable, INCLUDES, dnl FUNCTION-BODY, [ACTION-IF-FOUND [,ACTION-IF-NOT-FOUND]]) AC_DEFUN(AC_IEEE, AC_MSG_CHECKING([if IEEE math works $1]) AC_CACHE_VAL([rd_cv_ieee_$2], [AC_TRY_RUN([$3 #if HAVE_MATH_H # include #endif #if HAVE_FLOAT_H # include #endif #if HAVE_IEEEFP_H # include #endif #if HAVE_FP_CLASS_H # include #endif /* Solaris */ #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASS)) # define HAVE_ISINF 1 # define isinf(a) (fpclass(a) == FP_NINF || fpclass(a) == FP_PINF) #endif /* Digital UNIX */ #if (! defined(HAVE_ISINF) && defined(HAVE_FP_CLASS) && defined(HAVE_FP_CLASS_H)) # define HAVE_ISINF 1 # define isinf(a) (fp_class(a) == FP_NEG_INF || fp_class(a) == FP_POS_INF) #endif /* AIX */ #if (! defined(HAVE_ISINF) && defined(HAVE_CLASS)) # define HAVE_ISINF 1 # define isinf(a) (class(a) == FP_MINUS_INF || class(a) == FP_PLUS_INF) #endif #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_PLUS_INF) && defined(FP_MINUS_INF)) # define HAVE_ISINF 1 # define isinf(a) (fpclassify(a) == FP_MINUS_INF || fpclassify(a) == FP_PLUS_INF) #endif #if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_INFINITE)) # define HAVE_ISINF 1 # define isinf(a) (fpclassify(a) == FP_INFINITE) #endif #include int main(void){ double nan,inf,c,zero; $4; /* some math to see if we get a floating point exception */ zero=sin(0.0); /* don't let the compiler optimize us away */ nan=0.0/zero; /* especially here */ inf=1.0/zero; /* and here. I want to know if it can do the magic */ /* at run time without sig fpe */ c = inf + nan; c = inf / nan; if (! isnan(nan)) {printf ("not isnan(NaN) ... "); return 1;} if (nan == nan) {printf ("nan == nan ... "); return 1;} if (! isinf(inf)) {printf ("not isinf(oo) ... "); return 1;} if (! isinf(-inf)) {printf ("not isinf(-oo) ... "); return 1;} if (! inf > 0) {printf ("not inf > 0 ... "); return 1;} if (! -inf < 0) {printf ("not -inf < 0 ... "); return 1;} return 0; }], rd_cv_ieee_$2=yes, rd_cv_ieee_$2=no, :)]) dnl these we run regardles is cached or not if test x${rd_cv_ieee_$2} = "xyes"; then AC_MSG_RESULT(yes) $5 else AC_MSG_RESULT(no) $6 fi ) _cflags=${CFLAGS} AC_IEEE([out of the box], works, , , , [CFLAGS="$_cflags -ieee" AC_IEEE([with the -ieee switch], switch, , , , [CFLAGS="$_cflags -qfloat=nofold" AC_IEEE([with the -qfloat=nofold switch], nofold, , , , [CFLAGS="$_cflags -w -qflttrap=enable:zerodivide" AC_IEEE([with the -w -qflttrap=enable:zerodivide], flttrap, , , , [CFLAGS="$_cflags -mieee" AC_IEEE([with the -mieee switch], mswitch, , , , [CFLAGS="$_cflags -q float=rndsngl" AC_IEEE([with the -q float=rndsngl switch], qswitch, , , , [CFLAGS="$_cflags -OPT:IEEE_comparisons=ON" AC_IEEE([with the -OPT:IEEE_comparisons=ON switch], ieeecmpswitch, , , , [CFLAGS=$_cflags AC_IEEE([with fpsetmask(0)], mask, [#include ], [fpsetmask(0)], [AC_DEFINE(MUST_DISABLE_FPMASK) PERLFLAGS="CCFLAGS=-DMUST_DISABLE_FPMASK"], [AC_IEEE([with signal(SIGFPE,SIG_IGN)], sigfpe, [#include ], [signal(SIGFPE,SIG_IGN)], [AC_DEFINE(MUST_DISABLE_SIGFPE) PERLFLAGS="CCFLAGS=-DMUST_DISABLE_SIGFPE"], AC_MSG_ERROR([ Your Compiler does not do propper IEEE math ... Please find out how to make IEEE math work with your compiler and let me know (oetiker@ee.ethz.ch). Check config.log to see what went wrong ... ]))])])])])])])])]) AC_OUTPUT(examples/shared-demo.pl \ examples/piped-demo.pl \ examples/stripes.pl \ examples/bigtops.pl \ examples/minmax.pl \ examples/cgi-demo.cgi \ examples/Makefile \ doc/Makefile \ libraries/Makefile \ libraries/cgilib-0.4/Makefile \ libraries/gd1.3/Makefile \ libraries/libpng-1.0.9/Makefile \ libraries/zlib-1.1.3/Makefile \ src/Makefile \ bindings/Makefile \ bindings/tcl/Makefile \ Makefile, \ [chmod +x examples/*.cgi examples/*.pl]) AC_MSG_CHECKING(in) AC_MSG_RESULT(and out again) echo $ac_n "ordering CD from http://ee-staff.ethz.ch/~oetiker/wish $ac_c" 1>&6 sleep 1 echo $ac_n ".$ac_c" 1>&6 sleep 1 echo $ac_n ".$ac_c" 1>&6 sleep 1 echo $ac_n ".$ac_c" 1>&6 sleep 1 echo $ac_n ".$ac_c" 1>&6 sleep 1 AC_MSG_RESULT([ just kidding ;-)]) echo echo "----------------------------------------------------------------" echo "Config is DONE!" echo echo "Type 'make' to compile the software and use 'make install' to " echo "install everything to: $prefix." echo echo "If you want to install the perl" echo "modules in site-perl, try 'make site-perl-install'." echo echo " ... that wishlist is NO JOKE. If you find RRDtool useful" echo "make me happy. Go to http://ee-staff.ethz.ch/~oetiker/wish and" echo "place an order." echo echo " -- Tobi Oetiker " echo "----------------------------------------------------------------"