EX_CHECK_STATE=NO
ex_check_save_LIBS=${LIBS}
ex_check_save_CPPFLAGS=${CPPFLAGS}
- ex_check_save_LDFLAGS=${LDPFLAGS}
+ ex_check_save_LDFLAGS=${LDFLAGS}
if test "x$7" != "x"; then
CPPFLAGS="$CPPFLAGS -I$7"
fi
dnl remove the cached value and test again
unset ac_cv_lib_$1_$2
AC_CHECK_LIB($1,$2,[
- unset ac_cv_header_`echo $3 | sed "s/[^A-Za-z]/_/g"`
+ unset ac_cv_header_`echo $3 | sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']`
AC_CHECK_HEADER($3,[EX_CHECK_STATE=YES],[])
],[])
else
You can find also find an archive copy on
- http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/pub/libs
+ http://oss.oetiker.ch/rrdtool/pub/libs
The last tested version of $4 is $5.
case "${host_cpu}-${host_os}" in
*-aix* | *-freebsd* | *-darwin*) x_rflag="-D_THREAD_SAFE";;
*solaris* | *-osf* | *-hpux*) x_rflag="-D_REENTRANT";;
+ *-linux*)
+ if test x"$PTHREAD_CFLAGS" = "x-pthread"; then
+ # For Linux/gcc "-pthread" implies "-lpthread". We need, however, to make this explicit
+ # in PTHREAD_LIBS such that a shared library to be built properly depends on libpthread.
+ PTHREAD_LIBS="-lpthread $PTHREAD_LIBS"
+ fi;;
esac
AC_MSG_RESULT(${x_rflag})
if test "x$x_rflag" != xno; then
# define isinf(a) (fpclass(a) == FP_NINF || fpclass(a) == FP_PINF)
#endif
+/* solaris 10 it defines isnan such that only forte can compile it ... bad bad */
+#if (defined(HAVE_ISNAN) && defined(isnan) && defined(HAVE_FPCLASS))
+# undef isnan
+# define isnan(a) (fpclass(a) == FP_SNAN || fpclass(a) == FP_QNAN)
+#endif
+
/* Digital UNIX */
#if (! defined(HAVE_ISINF) && defined(HAVE_FP_CLASS) && defined(HAVE_FP_CLASS_H))
# define HAVE_ISINF 1
#include <stdio.h>
int main(void){
- double nan,inf,c,zero;
+ double rrdnan,rrdinf,rrdc,rrdzero;
$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 */
+ rrdzero=sin(0.0); /* don't let the compiler optimize us away */
+ rrdnan=0.0/rrdzero; /* especially here */
+ rrdinf=1.0/rrdzero; /* 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;}
+ rrdc = rrdinf + rrdnan;
+ rrdc = rrdinf / rrdnan;
+ if (! isnan(rrdnan)) {printf ("not isnan(NaN) ... "); return 1;}
+ if (rrdnan == rrdnan) {printf ("nan == nan ... "); return 1;}
+ if (! isinf(rrdinf)) {printf ("not isinf(oo) ... "); return 1;}
+ if (! isinf(-rrdinf)) {printf ("not isinf(-oo) ... "); return 1;}
+ if (! rrdinf > 0) {printf ("not inf > 0 ... "); return 1;}
+ if (! -rrdinf < 0) {printf ("not -inf < 0 ... "); return 1;}
return 0;
}]])],[rd_cv_ieee_$2=yes],[rd_cv_ieee_$2=no],[:])])
dnl these we run regardles is cached or not
PERLFLAGS="CCFLAGS=-DMUST_DISABLE_SIGFPE"],
AC_MSG_ERROR([
Your Compiler does not do propper IEEE math ... Please find out how to
-make IEEE math work with your compiler and let me know (oetiker@ee.ethz.ch).
+make IEEE math work with your compiler and let me know (tobi@oetiker.ch).
Check config.log to see what went wrong ...
]))])])])])])])])])])
CPPFLAGS="$save_CPPFLAGS"
])
+dnl a macro to add some color to the build process.
+dnl CONFIGURE_PART(MESSAGE)
+
+AC_DEFUN([CONFIGURE_PART],[
+case $TERM in
+ # for the most important terminal types we directly know the sequences
+ xterm|xterm*|vt220|vt220*)
+ T_MD=`awk 'BEGIN { printf("%c%c%c%c", 27, 91, 49, 109); }' </dev/null 2>/dev/null`
+ T_ME=`awk 'BEGIN { printf("%c%c%c", 27, 91, 109); }' </dev/null 2>/dev/null`
+ ;;
+ vt100|vt100*|cygwin)
+ T_MD=`awk 'BEGIN { printf("%c%c%c%c%c%c", 27, 91, 49, 109, 0, 0); }' </dev/null 2>/dev/null`
+ T_ME=`awk 'BEGIN { printf("%c%c%c%c%c", 27, 91, 109, 0, 0); }' </dev/null 2>/dev/null`
+ ;;
+ *)
+ T_MD=''
+ T_ME=''
+ ;;
+esac
+ AC_MSG_RESULT()
+ AC_MSG_RESULT([${T_MD}$1${T_ME}])
+])
+