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dnl
|
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dnl Configuration things for preprocessCore
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dnl
AC_INIT("DESCRIPTION")
dnl
dnl Are things (still) the same ?
dnl (taken from the 'writing R extensions manual')
dnl Now find the compiler and compiler flags to use
: ${R_HOME=`R RHOME`}
if test -z "${R_HOME}"; then
echo "could not determine R_HOME"
exit 1
fi
CC=`"${R_HOME}/bin/R" CMD config CC`
CPP=`"${R_HOME}/bin/R" CMD config CPP`
CFLAGS=`"${R_HOME}/bin/R" CMD config CFLAGS`
CPPFLAGS=`"${R_HOME}/bin/R" CMD config CPPFLAGS`
AC_PROG_CC
AC_PROG_CPP
|
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AC_LANG(C)
|
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# Checks for libraries.
use_pthreads=no
AC_SEARCH_LIBS([pthread_create], [pthread],
[use_pthreads=yes])
# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([stdlib.h])
if test "x${have_pthreads}" = xyes; then
AC_CHECK_HEADERS([pthread.h], [],
[use_pthreads=no])
fi
AC_MSG_CHECKING([if PTHREAD_STACK_MIN is defined])
|
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([
|
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#include <pthread.h>
#include <limits.h>
int main () {size_t stacksize = PTHREAD_STACK_MIN + 0x4000;
}
|
| 867598f3 |
])],[use_pthread_stack_min=yes], [use_pthread_stack_min=no])
|
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AC_MSG_RESULT($use_pthread_stack_min)
if test "x$use_pthread_stack_min" = xno; then
use_pthreads=no
fi
|
| d8604282 |
|
| 867598f3 |
AC_ARG_ENABLE([threading],
AS_HELP_STRING([--disable-threading],[Disable threading]))
|
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|
| d8604282 |
|
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AS_IF([test "x$enable_threading" != "xno" ],[
if test "x${use_pthreads}" = "xno"; then
AC_MSG_NOTICE(------------------------------------------)
AC_MSG_NOTICE( Unable to find pthreads on this system. )
AC_MSG_NOTICE( Building a single-threaded version. )
AC_MSG_NOTICE(------------------------------------------)
fi
if test "x${use_pthreads}" = "xyes"; then
AC_MSG_NOTICE(Enabling threading for preprocessCore)
AC_DEFINE(USE_PTHREADS, 1)
fi
],
[
|
| 5fb88bba |
AC_MSG_NOTICE(Disabling threading for preprocessCore)
|
| 867598f3 |
])
|
| 5617e011 |
AC_OUTPUT(src/Makevars)
|
