diff --git a/Makefile b/GNUmakefile
similarity index 100%
rename from Makefile
rename to GNUmakefile
diff --git a/test/3nodetest/Makefile b/test/3nodetest/GNUmakefile
similarity index 100%
rename from test/3nodetest/Makefile
rename to test/3nodetest/GNUmakefile
diff --git a/test/dependencies/Makefile b/test/dependencies/GNUmakefile
similarity index 100%
rename from test/dependencies/Makefile
rename to test/dependencies/GNUmakefile
diff --git a/test/integration/Makefile b/test/integration/GNUmakefile
similarity index 100%
rename from test/integration/Makefile
rename to test/integration/GNUmakefile
diff --git a/test/sharness/Makefile b/test/sharness/GNUmakefile
similarity index 100%
rename from test/sharness/Makefile
rename to test/sharness/GNUmakefile