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-rw-r--r--qemu-arm/Makefile2
-rw-r--r--stmhal/Makefile2
-rw-r--r--teensy/Makefile2
-rw-r--r--unix-cpy/Makefile2
-rw-r--r--unix/Makefile2
-rw-r--r--windows/Makefile2
6 files changed, 6 insertions, 6 deletions
diff --git a/qemu-arm/Makefile b/qemu-arm/Makefile
index 03cc7db9e..900538080 100644
--- a/qemu-arm/Makefile
+++ b/qemu-arm/Makefile
@@ -14,7 +14,7 @@ INC += -I$(PY_SRC)
INC += -I$(BUILD)
CFLAGS_CORTEX_M3 = -mthumb -mcpu=cortex-m3
-CFLAGS = $(INC) -Wall -Werror -ansi -std=gnu99 $(CFLAGS_CORTEX_M3) $(COPT) \
+CFLAGS = $(INC) -Wall -Wpointer-arith -Werror -ansi -std=gnu99 $(CFLAGS_CORTEX_M3) $(COPT) \
-flto -ffunction-sections -fdata-sections
#Debugging/Optimization
diff --git a/stmhal/Makefile b/stmhal/Makefile
index 878e6ca10..f444f0045 100644
--- a/stmhal/Makefile
+++ b/stmhal/Makefile
@@ -42,7 +42,7 @@ INC += -I$(USBDEV_DIR)/core/inc -I$(USBDEV_DIR)/class/cdc_msc_hid/inc
INC += -I$(FATFS_DIR)/src
CFLAGS_CORTEX_M4 = -mthumb -mtune=cortex-m4 -mabi=aapcs-linux -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -fsingle-precision-constant -Wdouble-promotion
-CFLAGS = $(INC) -Wall -Werror -ansi -std=gnu99 -nostdlib $(CFLAGS_MOD) $(CFLAGS_CORTEX_M4) $(COPT)
+CFLAGS = $(INC) -Wall -Wpointer-arith -Werror -ansi -std=gnu99 -nostdlib $(CFLAGS_MOD) $(CFLAGS_CORTEX_M4) $(COPT)
CFLAGS += -Iboards/$(BOARD)
LDFLAGS = -nostdlib -T stm32f405.ld -Map=$(@:.elf=.map) --cref
diff --git a/teensy/Makefile b/teensy/Makefile
index 5746f6c43..5ea4c9dad 100644
--- a/teensy/Makefile
+++ b/teensy/Makefile
@@ -35,7 +35,7 @@ INC += -I../stmhal
INC += -I$(BUILD)
INC += -Icore
-CFLAGS = $(INC) -Wall -ansi -std=gnu99 -nostdlib $(CFLAGS_CORTEX_M4)
+CFLAGS = $(INC) -Wall -Wpointer-arith -ansi -std=gnu99 -nostdlib $(CFLAGS_CORTEX_M4)
LDFLAGS = -nostdlib -T mk20dx256.ld -msoft-float -mfloat-abi=soft
ifeq ($(USE_ARDUINO_TOOLCHAIN),1)
diff --git a/unix-cpy/Makefile b/unix-cpy/Makefile
index 0376932d6..eb4088861 100644
--- a/unix-cpy/Makefile
+++ b/unix-cpy/Makefile
@@ -11,7 +11,7 @@ INC += -I$(PY_SRC)
INC += -I$(BUILD)
# compiler settings
-CFLAGS = $(INC) -Wall -Werror -ansi -std=gnu99 -DUNIX
+CFLAGS = $(INC) -Wall -Wpointer-arith -Werror -ansi -std=gnu99 -DUNIX
LDFLAGS = -lm
# Debugging/Optimization
diff --git a/unix/Makefile b/unix/Makefile
index 8ee231982..d8b51d0b0 100644
--- a/unix/Makefile
+++ b/unix/Makefile
@@ -18,7 +18,7 @@ INC += -I$(PY_SRC)
INC += -I$(BUILD)
# compiler settings
-CWARN = -Wall -Werror
+CWARN = -Wall -Wpointer-arith -Werror
CFLAGS = $(INC) $(CWARN) -ansi -std=gnu99 -DUNIX $(CFLAGS_MOD) $(COPT) $(CFLAGS_EXTRA)
# Debugging/Optimization
diff --git a/windows/Makefile b/windows/Makefile
index 44029c028..d83a5d46f 100644
--- a/windows/Makefile
+++ b/windows/Makefile
@@ -15,7 +15,7 @@ INC += -I$(PY_SRC)
INC += -I$(BUILD)
# compiler settings
-CFLAGS = $(INC) -Wall -Werror -ansi -std=gnu99 -DUNIX $(CFLAGS_MOD) $(COPT)
+CFLAGS = $(INC) -Wall -Wpointer-arith -Werror -ansi -std=gnu99 -DUNIX $(CFLAGS_MOD) $(COPT)
LDFLAGS = $(LDFLAGS_MOD) -lm
ifeq ($(CROSS_COMPILE),i686-w64-mingw32-)
CFLAGS += -D__USE_MINGW_ANSI_STDIO=1