3 files changed, 6 insertions(+), 12 deletions(-)

M builddefs/common_rules.mk
M platforms/avr/platform.mk
M platforms/chibios/platform.mk

@@ 15,13 15,6 @@ VPATH :=
 # Helper to return the distinct elements of a list
 uniq = $(if $1,$(firstword $1) $(call uniq,$(filter-out $(firstword $1),$1)))
 
-cc-option = $(shell \
-	if $(CC) $(1) -shared -o /dev/null -xc /dev/null > /dev/null 2>&1; \
-	then echo "$(1)"; else echo "$(2)"; fi)
-
-# helper to pass comma character to make functions
-, := ,
-
 # Convert all SRC to OBJ
 define OBJ_FROM_SRC
 $(patsubst %.c,$1/%.o,$(patsubst %.cpp,$1/%.o,$(patsubst %.cc,$1/%.o,$(patsubst %.S,$1/%.o,$(patsubst %.clib,$1/%.a,$($1_SRC))))))


@@ 73,7 66,9 @@ CFLAGS += $(CDEFS)
 CFLAGS += -O$(OPT)
 # add color
 ifeq ($(COLOR),true)
-	CFLAGS+= $(call cc-option, -fdiagnostics-color)
+ifeq ("$(shell echo "int main(){}" | $(CC) -fdiagnostics-color -x c - -o /dev/null 2>&1)", "")
+	CFLAGS+= -fdiagnostics-color
+endif
 endif
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes

@@ 12,7 12,9 @@ HEX = $(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock -R .signature
 EEP = $(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 --no-change-warnings -O $(FORMAT)
 BIN =
 
-COMPILEFLAGS += $(call cc-option, --param=min-pagesize=0)
+ifeq ("$(shell echo "int main(){}" | $(CC) --param=min-pagesize=0 -x c - -o /dev/null 2>&1)", "")
+COMPILEFLAGS += --param=min-pagesize=0
+endif
 
 COMPILEFLAGS += -funsigned-char
 COMPILEFLAGS += -funsigned-bitfields

@@ 476,9 476,6 @@ HEX     = $(OBJCOPY) -O $(FORMAT)
 EEP     =
 BIN     = $(OBJCOPY) -O binary
 
-# disable warning about RWX triggered by ChibiOS linker scripts
-SHARED_LDFLAGS += $(call cc-option, -Wl$(,)--no-warn-rwx-segments)
-
 ##############################################################################
 # Make targets
 #