0c7455276d
* [R] Robust endian detection in CRAN xgboost build * Check for external backtrace() lib * Update Makevars.win
46 lines
1.4 KiB
Plaintext
46 lines
1.4 KiB
Plaintext
### configure.ac -*- Autoconf -*-
|
|
|
|
AC_PREREQ(2.62)
|
|
|
|
AC_INIT([xgboost],[0.6-3],[],[xgboost],[])
|
|
|
|
### Check whether backtrace() is part of libc or the external lib libexecinfo
|
|
AC_MSG_CHECKING([Backtrace lib])
|
|
AC_MSG_RESULT([])
|
|
AC_CHECK_LIB([execinfo], [backtrace], [BACKTRACE_LIB=-lexecinfo], [BACKTRACE_LIB=''])
|
|
|
|
### Endian detection
|
|
AC_MSG_CHECKING([endian])
|
|
AC_MSG_RESULT([])
|
|
AC_RUN_IFELSE([AC_LANG_PROGRAM([[#include <stdint.h>]], [[const uint16_t endianness = 256; return !!(*(const uint8_t *)&endianness);]])],
|
|
[ENDIAN_FLAG="-DDMLC_CMAKE_LITTLE_ENDIAN=1"],
|
|
[ENDIAN_FLAG="-DDMLC_CMAKE_LITTLE_ENDIAN=0"])
|
|
|
|
OPENMP_CXXFLAGS=""
|
|
|
|
if test `uname -s` = "Linux"
|
|
then
|
|
OPENMP_CXXFLAGS="\$(SHLIB_OPENMP_CXXFLAGS)"
|
|
fi
|
|
|
|
if test `uname -s` = "Darwin"
|
|
then
|
|
OPENMP_CXXFLAGS="\$(SHLIB_OPENMP_CXXFLAGS)"
|
|
ac_pkg_openmp=no
|
|
AC_MSG_CHECKING([whether OpenMP will work in a package])
|
|
AC_LANG_CONFTEST(
|
|
[AC_LANG_PROGRAM([[#include <omp.h>]], [[ return omp_get_num_threads (); ]])])
|
|
PKG_CFLAGS="${OPENMP_CFLAGS}" PKG_LIBS="${OPENMP_CFLAGS}" "$RBIN" CMD SHLIB conftest.c 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD && "$RBIN" --vanilla -q -e "dyn.load(paste('conftest',.Platform\$dynlib.ext,sep=''))" 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD && ac_pkg_openmp=yes
|
|
AC_MSG_RESULT([${ac_pkg_openmp}])
|
|
if test "${ac_pkg_openmp}" = no; then
|
|
OPENMP_CXXFLAGS=''
|
|
fi
|
|
fi
|
|
|
|
AC_SUBST(OPENMP_CXXFLAGS)
|
|
AC_SUBST(ENDIAN_FLAG)
|
|
AC_SUBST(BACKTRACE_LIB)
|
|
AC_CONFIG_FILES([src/Makevars])
|
|
AC_OUTPUT
|
|
|