diff --git a/GNUbaserules.mk b/oldbuild/GNUbaserules.mk
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rename from GNUbaserules.mk
rename to oldbuild/GNUbaserules.mk
diff --git a/GNUmakefile b/oldbuild/GNUmakefile
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diff --git a/GNUmakefile.libui b/oldbuild/GNUmakefile.libui
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diff --git a/GNUmakefile.msvc b/oldbuild/GNUmakefile.msvc
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diff --git a/GNUmakefile.test b/oldbuild/GNUmakefile.test
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diff --git a/common/GNUmakeinc.mk b/oldbuild/common/GNUmakeinc.mk
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diff --git a/darwin/GNUmakeinc.mk b/oldbuild/darwin/GNUmakeinc.mk
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diff --git a/darwin/GNUosspecific.mk b/oldbuild/darwin/GNUosspecific.mk
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diff --git a/haiku/GNUmakeinc.mk b/oldbuild/haiku/GNUmakeinc.mk
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diff --git a/haiku/GNUosspecific.mk b/oldbuild/haiku/GNUosspecific.mk
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diff --git a/test/GNUmakeinc.mk b/oldbuild/test/GNUmakeinc.mk
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diff --git a/unix/GNUmakeinc.mk b/oldbuild/unix/GNUmakeinc.mk
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diff --git a/unix/GNUosspecific.mk b/oldbuild/unix/GNUosspecific.mk
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diff --git a/windows/GNUmakeinc.mk b/oldbuild/windows/GNUmakeinc.mk
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diff --git a/windows/GNUosspecific.mk b/oldbuild/windows/GNUosspecific.mk
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rename from windows/GNUosspecific.mk
rename to oldbuild/windows/GNUosspecific.mk