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-rw-r--r--py/mkenv.mk16
-rwxr-xr-xpy/py-version.sh2
-rw-r--r--unix/Makefile5
3 files changed, 13 insertions, 10 deletions
diff --git a/py/mkenv.mk b/py/mkenv.mk
index 4bc71edd78..b8dde807e8 100644
--- a/py/mkenv.mk
+++ b/py/mkenv.mk
@@ -42,14 +42,14 @@ ECHO = @echo
CP = cp
MKDIR = mkdir
SED = sed
-PYTHON = python
-
-AS = $(CROSS_COMPILE)as
-CC = $(CROSS_COMPILE)gcc
-LD = $(CROSS_COMPILE)ld
-OBJCOPY = $(CROSS_COMPILE)objcopy
-SIZE = $(CROSS_COMPILE)size
-STRIP = $(CROSS_COMPILE)strip
+PYTHON ?= python
+
+AS ?= $(CROSS_COMPILE)as
+CC ?= $(CROSS_COMPILE)gcc
+LD ?= $(CROSS_COMPILE)ld
+OBJCOPY ?= $(CROSS_COMPILE)objcopy
+SIZE ?= $(CROSS_COMPILE)size
+STRIP ?= $(CROSS_COMPILE)strip
all:
.PHONY: all
diff --git a/py/py-version.sh b/py/py-version.sh
index 93b8d7a1fd..88c3ebb986 100755
--- a/py/py-version.sh
+++ b/py/py-version.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
# Note: git describe doesn't work if no tag is available
git_tag="$(git describe --dirty --always)"
diff --git a/unix/Makefile b/unix/Makefile
index ffc3391a14..485009135f 100644
--- a/unix/Makefile
+++ b/unix/Makefile
@@ -48,7 +48,10 @@ ifeq ($(MICROPY_PY_FFI),1)
LIBFFI_LDFLAGS_MOD := $(shell pkg-config --libs libffi)
LIBFFI_CFLAGS_MOD := $(shell pkg-config --cflags libffi)
CFLAGS_MOD += $(LIBFFI_CFLAGS_MOD) -DMICROPY_PY_FFI=1
-LDFLAGS_MOD += -ldl $(LIBFFI_LDFLAGS_MOD)
+ifeq ($(UNAME_S),Linux)
+LDFLAGS_MOD += -ldl
+endif
+LDFLAGS_MOD += $(LIBFFI_LDFLAGS_MOD)
SRC_MOD += modffi.c
endif