b14994aeff
* fix segfault when gctorture() is enabled * use the C++ 11 compiler to test OpenMP flags * auto-generated configure script
47 lines
1.5 KiB
Plaintext
47 lines
1.5 KiB
Plaintext
### configure.ac -*- Autoconf -*-
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AC_PREREQ(2.62)
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AC_INIT([xgboost],[0.6-0],[],[xgboost],[])
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CXX1X=`"${R_HOME}/bin/R" CMD config CXX1X`
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CXX1XSTD=`"${R_HOME}/bin/R" CMD config CXX1XSTD`
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CXX="${CXX1X} ${CXX1XSTD}"
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CXXFLAGS=`"${R_HOME}/bin/R" CMD config CXX1XFLAGS`
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AC_LANG(C++)
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OPENMP_[]_AC_LANG_PREFIX[]FLAGS=
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AC_ARG_ENABLE([openmp],
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[AS_HELP_STRING([--disable-openmp], [do not use OpenMP])])
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if test "$enable_openmp" != no; then
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AC_CACHE_CHECK([for $[]_AC_CC[] option to support OpenMP],
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[ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp],
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[AC_LINK_IFELSE([_AC_LANG_OPENMP],
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[ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp='none needed'],
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[ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp='unsupported'
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for ac_option in -fopenmp -xopenmp -qopenmp \
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-openmp -mp -omp -qsmp=omp -homp \
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-fopenmp=libomp \
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-Popenmp --openmp; do
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ac_save_[]_AC_LANG_PREFIX[]FLAGS=$[]_AC_LANG_PREFIX[]FLAGS
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_AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $ac_option"
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AC_LINK_IFELSE([_AC_LANG_OPENMP],
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[ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp=$ac_option])
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_AC_LANG_PREFIX[]FLAGS=$ac_save_[]_AC_LANG_PREFIX[]FLAGS
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if test "$ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp" != unsupported; then
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break
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fi
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done])])
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case $ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp in #(
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"none needed" | unsupported)
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;; #(
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*)
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OPENMP_[]_AC_LANG_PREFIX[]FLAGS=$ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp ;;
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esac
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fi
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AC_SUBST(OPENMP_CXXFLAGS)
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AC_CONFIG_FILES([src/Makevars])
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AC_OUTPUT
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