18 lines
412 B
Plaintext
18 lines
412 B
Plaintext
dnl -*- Autoconf -*-
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AC_DEFUN([RUBY_TRY_CXXFLAGS], [
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save_CXXFLAGS="$CXXFLAGS"
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CXXFLAGS="[$]CXXFLAGS $1"
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AC_MSG_CHECKING([whether ]$1[ is accepted as CXXFLAGS])
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RUBY_WERROR_FLAG([
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AC_LANG_PUSH([C++])
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[$4]], [[$5]])],
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[$2
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AC_MSG_RESULT(yes)],
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[$3
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AC_MSG_RESULT(no)])
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])
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AC_LANG_POP([C++])
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CXXFLAGS="$save_CXXFLAGS"
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save_CXXFLAGS=
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])dnl
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