diff --git a/.editorconfig b/.editorconfig
index ab82ea8..ebaa33e 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -12,3 +12,6 @@ indent_size = 4
 
 [Makefile]
 indent_style = tab
+
+[Makefile.docker]
+indent_style = tab
diff --git a/Makefile b/Makefile
index a3e1988..df99096 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-CFLAGS ?= -Os -Wall -Wextra -pedantic
+CFLAGS ?= -Os -std=gnu99 -Wall -Wextra -pedantic
 LDFLAGS ?=
 
 PROG := su-exec
@@ -12,7 +12,7 @@ $(PROG)-shared: $(SRCS)
 
 $(PROG)-static: $(SRCS)
 	$(CC) $(CFLAGS) -s -o $@ $^ $(LDFLAGS) -static
-	/bin/cp $(PROG)-static $(PROG)
+	# /bin/cp $(PROG)-static $(PROG)
 
 clean:
 	rm -f $(PROG) $(PROG)-shared $(PROG)-static
diff --git a/Makefile.docker b/Makefile.docker
new file mode 100644
index 0000000..a5d65a4
--- /dev/null
+++ b/Makefile.docker
@@ -0,0 +1,25 @@
+all: su-exec-musl-shared \
+	su-exec-musl-static \
+	su-exec-glibc-shared \
+	su-exec-glibc-static \
+	su-exec-glibc-shared-arm64 \
+	su-exec-glibc-static-arm64 \
+	su-exec-glibc-shared-riscv64 \
+	su-exec-glibc-static-riscv64 \
+	su-exec-glibc-shared-s390x \
+	su-exec-glibc-static-s390x
+
+su-exec-musl-shared su-exec-musl-static: su-exec.c vendor/docker-build-linux-amd64-musl.sh
+	vendor/docker-build-linux-amd64-musl.sh
+
+su-exec-glibc-shared su-exec-glibc-static: su-exec.c vendor/docker-build-linux-amd64-glibc.sh
+	vendor/docker-build-linux-amd64-glibc.sh
+
+su-exec-glibc-shared-arm64 su-exec-glibc-static-arm64: su-exec.c vendor/cross-build-linux-aarch64-glibc.sh
+	vendor/cross-build-linux-aarch64-glibc.sh
+
+su-exec-glibc-shared-riscv64 su-exec-glibc-static-riscv64: su-exec.c vendor/cross-build-linux-riscv64-glibc.sh
+	vendor/cross-build-linux-riscv64-glibc.sh
+
+su-exec-glibc-shared-s390x su-exec-glibc-static-s390x: su-exec.c vendor/cross-build-linux-s390x-glibc.sh
+	vendor/cross-build-linux-s390x-glibc.sh
\ No newline at end of file