153 lines
2.3 KiB
Makefile
153 lines
2.3 KiB
Makefile
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#-*-mode:makefile-gmake;indent-tabs-mode:t;tab-width:8;coding:utf-8-*-┐
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#───vi: set et ft=make ts=8 tw=8 fenc=utf-8 :vi───────────────────────┘
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# Default Mode
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#
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# - `make`
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# - Backtraces
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# - Function tracing
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# - Reasonably small
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# - Reasonably optimized
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# - Reasonably debuggable
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ifeq ($(MODE),)
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CONFIG_CCFLAGS += \
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$(BACKTRACES) \
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$(FTRACE) \
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-Og
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TARGET_ARCH ?= \
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-msse3
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RAGELFLAGS ?= -G2
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endif
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# Optimized Mode
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#
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# - `make MODE=opt`
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# - Backtraces
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# - More optimized
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# - Reasonably small
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# - No memory corruption detection
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# - assert() / CHECK_xx() may leak code into binary for debuggability
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# - GCC 8+ hoists check fails into .text.cold, thus minimizing impact
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ifeq ($(MODE), opt)
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CONFIG_CPPFLAGS += \
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-DNDEBUG \
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-msse2avx \
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-Wa,-msse2avx
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CONFIG_CCFLAGS += \
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$(BACKTRACES) \
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-O3
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TARGET_ARCH ?= \
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-march=native
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RAGELFLAGS ?= -G2
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endif
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# Release Mode
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#
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# - `make MODE=rel`
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# - More optimized
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# - Reasonably small
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# - Numeric backtraces
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# - Toilsome debuggability
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# - assert() statements removed
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# - DCHECK_xx() statements removed
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# - No memory corruption detection
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# - CHECK_xx() won't leak strings into binary
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ifeq ($(MODE), rel)
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CONFIG_CPPFLAGS += \
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-DNDEBUG
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CONFIG_CCFLAGS += \
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$(BACKTRACES) \
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-O3
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#TARGET_ARCH ?= \
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-msse3
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RAGELFLAGS = -G2
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endif
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# Debug Mode
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#
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# - `make MODE=dbg`
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# - Backtraces
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# - Zero optimization
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# - Enables sanitization
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# - Enables stack canaries
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# - Enormous binaries (b/c ubsan suboptimalities)
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ifeq ($(MODE), dbg)
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CONFIG_CPPFLAGS += \
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-DMODE_DBG
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CONFIG_CCFLAGS += \
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$(BACKTRACES) \
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$(FTRACE) \
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-fno-inline
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CONFIG_COPTS += \
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$(SECURITY_BLANKETS) \
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$(SANITIZER)
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OVERRIDE_CCFLAGS += \
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-fno-pie
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endif
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# Tiny Mode
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#
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# - `make MODE=tiny`
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# - No checks
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# - No asserts
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# - No canaries
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# - No paranoia
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# - No avx hooks
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# - No backtraces
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# - No algorithmics
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# - YOLO
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ifeq ($(MODE), tiny)
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CONFIG_CPPFLAGS += \
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-DTINY \
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-DNDEBUG \
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-DTRUSTWORTHY
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CONFIG_CCFLAGS += \
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-Os \
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-fno-align-functions \
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-fno-align-jumps \
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-fno-align-labels \
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-fno-align-loops
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TARGET_ARCH ?= \
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-msse3
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endif
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# ANSI Mode
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#
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# Folks who want it deserve to get it, good and hard.
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ifeq ($(MODE), ansi)
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CONFIG_CCFLAGS += \
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-std=c11 \
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-Og
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endif
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