3 files changed, 26 insertions, 9 deletions

diff --git a/Makefile b/Makefile
index 082b740..304433f 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ all: cube.o debugcube.o
 cube.o: clean
         ${CC} -D${CUBETYPE} ${CFLAGS} -c -o cube.o src/cube.c
 
-debugcube.o:
+debugcube.o: clean
         ${CC} -D${CUBETYPE} ${DBGFLAGS} -c -o debugcube.o src/cube.c
 
 clean:
diff --git a/README.md b/README.md
index b95977e..616c066 100644
--- a/README.md
+++ b/README.md
@@ -4,13 +4,30 @@ Work in progress. There is some documentation at the bottom of this page,
 but do not believe it. Everything is in a state of flux and can change
 without notice.
 
-## Running tests
+## Building and running tests
+
+First run
+
+```
+$ ./configure.sh
+```
+
+or `TYPE=AVX2 ./configure.sh` if you want to use AVX2 instructions.
+
+Then
 
 ```
-$ ./configure.sh # Run 'TYPE=AVX2 ./configure.sh' to use AVX2 instead
 $ make test
 ```
 
+to run the tests. You can also run
+
+```
+$ make benchmark
+```
+
+for benchmarks.
+
 ## TODO:
 
 ### Cleanup / refactor
diff --git a/configure.sh b/configure.sh
index 17673fc..74df81e 100755
--- a/configure.sh
+++ b/configure.sh
@@ -1,12 +1,12 @@
 #!/bin/sh
 
-CFLAGS="-std=c99 -pthread -pedantic -Wall -Wextra -Wno-unused-parameter -O3"
-DBGFLAGS="-DDEBUG -std=c99 -pthread -pedantic -Wall -Wextra -Wno-unused-parameter -Wno-unused-function -g3 -fsanitize=address -fsanitize=undefined"
+STD="-std=c99"
+WFLAGS="-pedantic -Wall -Wextra -Wno-unused-parameter"
+[ "$TYPE" = "AVX2" ] && AVX="-mavx2"
+[ "$(uname)" = "Linux" ] && SAN="-fsanitize=address -fsanitize=undefined"
 
-if [ "$TYPE" = "AVX2" ]; then
-        CFLAGS="$CFLAGS -mavx2"
-        DBGFLAGS="$DBGFLAGS -mavx2"
-fi
+CFLAGS="$STD $WFLAGS $AVX -O3"
+DBGFLAGS="$STD $WFLAGS $AVX -g3 -DDEBUG"
 
 {
 echo "CUBETYPE = CUBE_$TYPE";