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authorDrashna Jael're <drashna@live.com>2022-11-08 17:14:27 -0800
committerDrashna Jael're <drashna@live.com>2022-11-08 17:14:27 -0800
commit64f04b30c2f48fc0e7c49ca043443f03dc56df94 (patch)
treee0f374d3b92bacefd22c31e7bda8ee1c6fcb37de /builddefs/common_rules.mk
parentd9f575fa86ca10b990958d4e677c6a0a387dc7c3 (diff)
parent96c48a5f4aa461ed31fd4ee61151ac206e16fb5f (diff)
Merge tag '0.18.16' into firmware22
Diffstat (limited to 'builddefs/common_rules.mk')
-rw-r--r--builddefs/common_rules.mk124
1 files changed, 14 insertions, 110 deletions
diff --git a/builddefs/common_rules.mk b/builddefs/common_rules.mk
index d3acddc87b..22746b92a3 100644
--- a/builddefs/common_rules.mk
+++ b/builddefs/common_rules.mk
@@ -1,21 +1,7 @@
# Hey Emacs, this is a -*- makefile -*-
#----------------------------------------------------------------------------
-# WinAVR Makefile Template written by Eric B. Weddington, Jg Wunsch, et al.
-#
-# Released to the Public Domain
-#
-# Additional material for this makefile was written by:
-# Peter Fleury
-# Tim Henigan
-# Colin O'Flynn
-# Reiner Patommel
-# Markus Pfaff
-# Sander Pool
-# Frederik Rouleau
-# Carlos Lamas
-#
-
-# Enable vpath seraching for source files only
+
+# Enable vpath searching for source files only
# Without this, output files, could be read from the wrong .build directories
VPATH_SRC := $(VPATH)
vpath %.c $(VPATH_SRC)
@@ -38,36 +24,15 @@ NO_LTO_OBJ := $(filter %.a,$(OBJ))
MASTER_OUTPUT := $(firstword $(OUTPUTS))
-
-
# Output format. (can be srec, ihex, binary)
FORMAT = ihex
# Optimization level, can be [0, 1, 2, 3, s].
-# 0 = turn off optimization. s = optimize for size.
-# (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
OPT ?= s
-# Compiler flag to set the C Standard level.
-# c89 = "ANSI" C
-# gnu89 = c89 plus GCC extensions
-# c99 = ISO C99 standard (not yet fully implemented)
-# gnu99 = c99 plus GCC extensions
-CSTANDARD = -std=gnu99
-
-
-# Place -D or -U options here for C sources
-#CDEFS +=
-
-
-# Place -D or -U options here for ASM sources
-#ADEFS +=
-
-
-# Place -D or -U options here for C++ sources
-#CXXDEFS += -D__STDC_LIMIT_MACROS
-#CXXDEFS += -D__STDC_CONSTANT_MACROS
-#CXXDEFS +=
+# Compiler flag to set the C and C++ language standard level
+CSTANDARD = -std=gnu11
+CXXSTANDARD = -std=gnu++14
# Speed up recompilations by opt-in usage of ccache
USE_CCACHE ?= no
@@ -75,12 +40,8 @@ ifneq ($(USE_CCACHE),no)
CC_PREFIX ?= ccache
endif
-#---------------- Compiler Options C ----------------
-# -g*: generate debugging information
-# -O*: optimization level
-# -f...: tuning, see GCC manual and avr-libc documentation
-# -Wall...: warning level
-# -Wa,...: tell GCC to pass this to the assembler.
+#---------------- C Compiler Options ----------------
+
ifeq ($(strip $(LTO_ENABLE)), yes)
ifeq ($(PLATFORM),ARM_ATSAM)
$(info Enabling LTO on arm_atsam-targeting boards is known to have a high likelihood of failure.)
@@ -111,29 +72,20 @@ CFLAGS += -Wstrict-prototypes
ifneq ($(strip $(ALLOW_WARNINGS)), yes)
CFLAGS += -Werror
endif
-#CFLAGS += -mshort-calls
-#CFLAGS += -fno-unit-at-a-time
-#CFLAGS += -Wundef
-#CFLAGS += -Wunreachable-code
-#CFLAGS += -Wsign-compare
CFLAGS += $(CSTANDARD)
# This fixes lots of keyboards linking errors but SHOULDN'T BE A FINAL SOLUTION
# Fixing of multiple variable definitions must be made.
CFLAGS += -fcommon
-#---------------- Compiler Options C++ ----------------
-# -g*: generate debugging information
-# -O*: optimization level
-# -f...: tuning, see GCC manual and avr-libc documentation
-# -Wall...: warning level
-# -Wa,...: tell GCC to pass this to the assembler.
+#---------------- C++ Compiler Options ----------------
+
ifeq ($(strip $(DEBUG_ENABLE)),yes)
CXXFLAGS += -g$(DEBUG)
endif
CXXFLAGS += $(CXXDEFS)
CXXFLAGS += -O$(OPT)
-# to supress "warning: only initialized variables can be placed into program memory area"
+# to suppress "warning: only initialized variables can be placed into program memory area"
CXXFLAGS += -w
CXXFLAGS += -Wall
CXXFLAGS += -Wundef
@@ -141,57 +93,17 @@ CXXFLAGS += -Wundef
ifneq ($(strip $(ALLOW_WARNINGS)), yes)
CXXFLAGS += -Werror
endif
-#CXXFLAGS += -mshort-calls
-#CXXFLAGS += -fno-unit-at-a-time
-#CXXFLAGS += -Wstrict-prototypes
-#CXXFLAGS += -Wunreachable-code
-#CXXFLAGS += -Wsign-compare
-#CXXFLAGS += $(CSTANDARD)
#---------------- Assembler Options ----------------
+
ASFLAGS += $(ADEFS)
ifeq ($(VERBOSE_AS_CMD),yes)
ASFLAGS += -v
endif
-#---------------- Library Options ----------------
-# Minimalistic printf version
-PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
-
-# Floating point printf version (requires MATH_LIB = -lm below)
-PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
-
-# If this is left blank, then it will use the Standard printf version.
-PRINTF_LIB =
-#PRINTF_LIB = $(PRINTF_LIB_MIN)
-#PRINTF_LIB = $(PRINTF_LIB_FLOAT)
-
-
-# Minimalistic scanf version
-SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
-
-# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
-SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
-
-# If this is left blank, then it will use the Standard scanf version.
-SCANF_LIB =
-#SCANF_LIB = $(SCANF_LIB_MIN)
-#SCANF_LIB = $(SCANF_LIB_FLOAT)
-
-
-MATH_LIB = -lm
-CREATE_MAP ?= yes
-
-
#---------------- Linker Options ----------------
-# -Wl,...: tell GCC to pass this to linker.
-# -Map: create map file
-# --cref: add cross reference to map file
-#
-# Comennt out "--relax" option to avoid a error such:
-# (.vectors+0x30): relocation truncated to fit: R_AVR_13_PCREL against symbol `__vector_12'
-#
+CREATE_MAP ?= yes
ifeq ($(CREATE_MAP),yes)
LDFLAGS += -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref
endif
@@ -201,20 +113,11 @@ endif
#LDFLAGS += -Wl,--relax
LDFLAGS += $(EXTMEMOPTS)
LDFLAGS += $(patsubst %,-L%,$(EXTRALIBDIRS))
-LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
-#LDFLAGS += -T linker_script.x
+LDFLAGS += -lm
# You can give EXTRALDFLAGS at 'make' command line.
LDFLAGS += $(EXTRALDFLAGS)
#---------------- Assembler Listings ----------------
-# -Wa,...: tell GCC to pass this to the assembler.
-# -adhlns: create listing
-# -gstabs: have the assembler create line number information; note that
-# for use in COFF files, additional information about filenames
-# and function names needs to be present in the assembler source
-# files -- see avr-libc docs [FIXME: not yet described there]
-# -listing-cont-lines: Sets the maximum number of continuation lines of hex
-# dump that will be displayed for a given single line of source input.
ADHLNS_ENABLE ?= no
ifeq ($(ADHLNS_ENABLE),yes)
@@ -468,6 +371,7 @@ show_path:
dump_vars: ERROR_IF_EMPTY=""
dump_vars: ERROR_IF_NONBOOL=""
dump_vars: ERROR_IF_UNSET=""
+dump_vars: CATASTROPHIC_ERROR=""
dump_vars:
@$(foreach V,$(sort $(.VARIABLES)),$(if $(filter-out environment% default automatic,$(origin $V)),$(info $V=$($V))))