+emil header guards

C_C++/emil_header_guards/a.h

@@ -0,0 +1,11 @@
+#ifndef A_H
+
+#include "b.h"
+
+struct a {
+    int i;
+};
+
+
+#define A_H
+#endif

C_C++/emil_header_guards/ac.h

@@ -0,0 +1,10 @@
+#ifndef A_H
+#define A_H
+
+#include "bc.h"
+
+struct a {
+    int i;
+};
+
+#endif

C_C++/emil_header_guards/b.h

@@ -0,0 +1,11 @@
+#ifndef B_H
+
+#include "a.h"
+
+struct b {
+    int i;
+};
+
+
+#define B_H
+#endif

C_C++/emil_header_guards/bc.h

@@ -0,0 +1,11 @@
+#ifndef B_H
+#define B_H
+
+#include "ac.h"
+
+struct b {
+    int i;
+};
+
+
+#endif

C_C++/emil_header_guards/main.c

@@ -0,0 +1,12 @@
+// @BAKE gcc main.c -o $*.out
+#if 0
+# include "a.h"
+# include "b.h"
+#else
+# include "ac.h"
+# include "bc.h"
+#endif
+
+signed main() {
+    return 0;
+}