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="-I$7 $CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS -I$7"
fi
dnl try compiling naked first
AC_CHECK_LIB($1,$2, [
LDFLAGS=${LDFLAGS}" "`$PKGCONFIG --libs-only-other $4`
LIBS=${LIBS}" "`$PKGCONFIG --libs-only-l $4`
dnl remove the cached value and test again
- unset ac_cv_lib_$1_$2
- AC_CHECK_LIB($1,$2,[ AC_CHECK_HEADER($3,[EX_CHECK_STATE=YES],[])],[])
+ unset ac_cv_lib_`echo $1 | sed ['s/[^_a-zA-Z0-9]/_/g;s/^[0-9]/_/']`_$2
+ AC_CHECK_LIB($1,$2,[
+ 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
AC_MSG_WARN([
----------------------------------------------------------------------------
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_$2=no],[:])])
dnl these we run regardles is cached or not
PERLFLAGS="CCFLAGS=-DMUST_DISABLE_SIGFPE"],
AC_MSG_ERROR([
Your Compiler does not do propper IEEE math ... Please find out how to
-make IEEE math work with your compiler and let me know (oetiker@ee.ethz.ch).
+make IEEE math work with your compiler and let me know (tobi@oetiker.ch).
Check config.log to see what went wrong ...
]))])])])])])])])])])
AC_LANG_POP(C)
])
+
+
+dnl a macro to check for ability to create python extensions
+dnl AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE])
+dnl function also defines PYTHON_INCLUDES
+AC_DEFUN([AM_CHECK_PYTHON_HEADERS],
+[AC_REQUIRE([AM_PATH_PYTHON])
+AC_MSG_CHECKING(for headers required to compile python extensions)
+dnl deduce PYTHON_INCLUDES
+py_prefix=`$PYTHON -c "import sys; print sys.prefix"`
+py_exec_prefix=`$PYTHON -c "import sys; print sys.exec_prefix"`
+PYTHON_INCLUDES="-I${py_prefix}/include/python${PYTHON_VERSION}"
+if test "$py_prefix" != "$py_exec_prefix"; then
+ PYTHON_INCLUDES="$PYTHON_INCLUDES -I${py_exec_prefix}/include/python${PYTHON_VERSION}"
+fi
+AC_SUBST(PYTHON_INCLUDES)
+dnl check if the headers exist:
+save_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES"
+AC_TRY_CPP([#include <Python.h>],dnl
+[AC_MSG_RESULT(found)
+$1],dnl
+[AC_MSG_RESULT(not found)
+$2])
+CPPFLAGS="$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}])
+])
+
+dnl check
+
+AC_DEFUN([CHECK_FOR_WORKING_MS_ASYNC], [
+AC_MSG_CHECKING([if msync with MS_ASYNC updates the files mtime])
+AC_CACHE_VAL([rd_cv_ms_async],
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/mman.h>
+#include <stdlib.h>
+#include <utime.h>
+int main(void){
+ int fd;
+ struct stat stbuf;
+ char *addr;
+ int res;
+ char temp[] = "mmaptestXXXXXX";
+ struct utimbuf newtime;
+
+ time_t create_ts;
+ fd = mkstemp(temp);
+ if (fd == -1){
+ perror(temp);
+ return 1;
+ }
+ write(fd,"12345\n", 6);
+ stat(temp, &stbuf);
+ create_ts = stbuf.st_mtime;
+ newtime.actime = 0;
+ newtime.modtime = 0;
+ utime(temp,&newtime);
+ addr = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+ if (addr == MAP_FAILED) {
+ perror("mmap");
+ goto bad_exit;
+ }
+ addr[0]='x';
+ res = msync(addr, 4, MS_ASYNC);
+ if (res == -1) {
+ perror("msync");
+ goto bad_exit;
+ }
+ res = close(fd);
+ if (res == -1) {
+ perror("close");
+ goto bad_exit;
+ }
+ /* The ASYNC means that we schedule the msync and return immediately.
+ Since we want to see if the modification time is updated upon
+ msync(), we have to make sure that our asynchronous request
+ completes before we stat below. In a real application, the
+ request would be completed at a random time in the future
+ but for this test we do not want to wait an arbitrary amount of
+ time, so force a commit now. */
+ sync();
+ stat(temp, &stbuf);
+ if (create_ts > stbuf.st_mtime){
+ goto bad_exit;
+ }
+ unlink(temp);
+ return 0;
+ bad_exit:
+ unlink(temp);
+ return 1;
+}
+]])],[rd_cv_ms_async=ok],[rd_cv_ms_async=broken],[:])])
+
+
+if test "${rd_cv_ms_async}" = "ok"; then
+ AC_MSG_RESULT(yes)
+else
+ AC_DEFINE_UNQUOTED(HAVE_BROKEN_MS_ASYNC, 1 , [set to 1 if msync with MS_ASYNC fails to update mtime])
+ AC_MSG_RESULT(no)
+ AC_MSG_WARN([With mmap access, your platform fails to update the files])
+ AC_MSG_WARN([mtime. RRDtool will work around this problem by calling utime on each])
+ AC_MSG_WARN([file it opens for rw access.])
+ sleep 2
+fi
+
+])
+
projects / rrdtool.git / blobdiff