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16 lines
407 B
Plaintext
16 lines
407 B
Plaintext
dnl @synopsis CXX_FLAGS_CHECK [compiler flags]
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dnl @summary check whether compiler supports given flags or not
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AC_DEFUN([CXX_FLAG_CHECK],
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[dnl
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AC_MSG_CHECKING([if $CXX supports $1])
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ac_saved_cxxflags="$CXXFLAGS"
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CXXFLAGS="-Werror $1"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
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[AC_MSG_RESULT([yes])
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cxx_extra_flags="$cxx_extra_flags $1"],
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[AC_MSG_RESULT([no])]
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)
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CXXFLAGS="$ac_saved_cxxflags"
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])
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