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R: fix OpenMP detection on macOS with GCC #96

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Merged
fabsig merged 1 commit into from
Jun 16, 2023
Merged

R: fix OpenMP detection on macOS with GCC #96

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4 changes: 3 additions & 1 deletion R-package/configure
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Original file line number Diff line number Diff line change
Expand Up @@ -1757,7 +1757,9 @@ fi
if test `uname -s` = "Darwin"
then
OPENMP_CXXFLAGS='-Xclang -fopenmp'
if clang --version | grep -i "clang" >/dev/null; then
OPENMP_LIB='-lomp'
fi
ac_pkg_openmp=no
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether OpenMP will work in a package" >&5
$as_echo_n "checking whether OpenMP will work in a package... " >&6; }
Expand All @@ -1781,7 +1783,7 @@ _ACEOF
rm ./conftest
fi
OPENMP_CXXFLAGS="-fopenmp"
${CXX} ${CPPFLAGS} ${CXXFLAGS} ${LDFLAGS} ${OPENMP_CXXFLAGS} ${OPENMP_LIB} -o conftest conftest.cpp 2>/dev/null && ./conftest && ac_pkg_openmp=yes
${CXX} ${CPPFLAGS} ${CXXFLAGS} ${LDFLAGS} ${OPENMP_CXXFLAGS} -o conftest conftest.cpp 2>/dev/null && ./conftest && ac_pkg_openmp=yes
fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${ac_pkg_openmp}" >&5
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