Add simple 'make check'

Uses elfedit to copy itself and ensure both versions are identical.

diff --git a/Makefile b/Makefile
index 9e07a474857cd578c5d18a1524aeb2f184db3a00..32dbe7c1d595e05e109c4d381028898a5d8aa784 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -21,6 +21,14 @@ LDFLAGS  := -lelf
 default: $(EXE)
 
 
+.PHONY: check
+check: $(EXE)
+       $(EXE) $(EXE) -o testexe
+       @cmp $(EXE) testexe
+       @rm testexe
+       @echo "Check successful."
+
+
 .PHONY: debug
 debug: $(EXE)
        gdb $(EXE) $(shell ps -e | sed "s/^ *\([0-9]\+\) .*$(PROJ).*$$/\1/g;te;d;:e")