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-rw-r--r--unix/Makefile2
-rw-r--r--unix/mpconfigport.h3
2 files changed, 4 insertions, 1 deletions
diff --git a/unix/Makefile b/unix/Makefile
index a6b5026e21..8ee2319828 100644
--- a/unix/Makefile
+++ b/unix/Makefile
@@ -44,6 +44,8 @@ endif
LDFLAGS = $(LDFLAGS_MOD) $(LDFLAGS_ARCH) -lm $(LDFLAGS_EXTRA)
ifeq ($(MICROPY_FORCE_32BIT),1)
+# Note: you may need to install i386 versions of dependency packages,
+# starting with linux-libc-dev:i386
CFLAGS += -m32
LDFLAGS += -m32
ifeq ($(MICROPY_PY_FFI),1)
diff --git a/unix/mpconfigport.h b/unix/mpconfigport.h
index 6ca0808628..ff89a6298a 100644
--- a/unix/mpconfigport.h
+++ b/unix/mpconfigport.h
@@ -61,7 +61,8 @@
// Define to MICROPY_ERROR_REPORTING_DETAILED to get function, etc.
// names in exception messages (may require more RAM).
#define MICROPY_ERROR_REPORTING (MICROPY_ERROR_REPORTING_DETAILED)
-// Define to 1 to use untested inefficient GC helper implementation
+
+// Define to 1 to use undertested inefficient GC helper implementation
// (if more efficient arch-specific one is not available).
#ifndef MICROPY_GCREGS_SETJMP
#ifdef __mips__