diff --git a/examples/csmith/.gitignore b/examples/csmith/.gitignore
index 2680092f2..402ddd3e4 100644
--- a/examples/csmith/.gitignore
+++ b/examples/csmith/.gitignore
@@ -4,3 +4,4 @@
 *.c
 *.relf
 *.bir
+platform.info
diff --git a/examples/csmith/Makefile b/examples/csmith/Makefile
index 9abb60750..fca709659 100644
--- a/examples/csmith/Makefile
+++ b/examples/csmith/Makefile
@@ -6,11 +6,12 @@ ADTS=$(addsuffix .adt,$(SOURCENAMES))
 OUTS=$(addsuffix .out,$(SOURCENAMES))
 CHECKSUMS=$(addsuffix .checksum,$(SOURCENAMES))
 
-CSMITH_HEADER ?= "/usr/include/csmith/"
-CC=clang -target aarch64-linux-gnu
+CSMITH_INCLUDE ?= /usr/include/csmith
+CSMITH_HEADER = $(CSMITH_INCLUDE)
+CC ?=clang -target aarch64-linux-gnu
 
 %.out : %.c
-	$(CC) $< -w -I $(CSMITH_HEADER) -o $@
+	$(CC) $< -I$(CSMITH_HEADER) -w -o $@
 
 %.relf : %.out
 	readelf -s -r -w $< > $@
@@ -19,7 +20,7 @@ CC=clang -target aarch64-linux-gnu
 	bap $< -d adt:$@
 
 %.checksum : %.c
-	clang -w -I $(CSMITH_HEADER) $< -o $<.out && ./$<.out || true
+	$(CC) -w -I $(CSMITH_HEADER) $< -o $<.out && ./$<.out || true
 
 default : $(ADTS) $(RELFS)
 
diff --git a/examples/csmith/gen.py b/examples/csmith/gen.py
index 03b531475..5dd5caa1e 100644
--- a/examples/csmith/gen.py
+++ b/examples/csmith/gen.py
@@ -11,7 +11,6 @@
 # produces programs that we can't handle
 # cmd = ["csmith", "--seed", str(seed), "--max-block-size", str(max_blocksize), "--max-funcs", str(max_funcs), "--output", f"{fname}.c"]
 
-csmith_header = "/usr/include/csmith/"
 csmith_safe = "--no-arrays --no-bitfields --no-checksum --no-comma-operators --no-longlong --no-int8 --no-uint8 --no-float --no-math64 --no-inline-function --no-safe-math --no-packed-struct --no-pointers --no-structs --no-unions --no-volatile-pointers --no-const-pointers".split(" ")
 
 files = []