configure.in: additional flags
* configure.in: add additional flag variable descriptions, which are appended to common flags, e.g., CFLAGS, CPPFLAGS, etc. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52626 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -11,6 +11,10 @@ AC_DEFUN([RUBY_PREREQ_AC],
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AC_DISABLE_OPTION_CHECKING
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AC_ARG_VAR([cflags], [additional CFLAGS])
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AC_ARG_VAR([cppflags], [additional CPPFLAGS])
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AC_ARG_VAR([cxxflags], [additional CXXFLAGS])
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AC_DEFUN([RUBY_RM_RECURSIVE], [
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m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]), [2.70]), [-1], [
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# suppress error messages, rm: cannot remove 'conftest.dSYM', from
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