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# -----------------------------------------------------------------------------
# A Sample build.mk
#
# Uncomment one of the following BuildFlavour settings to get the desired
# overall build type, and then tweak the options in the relevant section
# below.
# Uncomment one of these to select a build profile below:
# Full build with max optimisation and everything enabled (very slow build)
BuildFlavour = perf
# As above but build GHC using the LLVM backend
#BuildFlavour = perf-llvm
# Fast build with optimised libraries, no profiling (RECOMMENDED):
#BuildFlavour = quick
# Even faster build. NOT RECOMMENDED: the libraries will be
# completely unoptimised, so any code built with this compiler
# (including stage2) will run very slowly:
#BuildFlavour = quickest
# Profile the stage2 compiler:
#BuildFlavour = prof
# A development build, working on the stage 1 compiler:
#BuildFlavour = devel1
# A development build, working on the stage 2 compiler:
#BuildFlavour = devel2
# An unregisterised, optimised build of ghc, for porting:
#BuildFlavour = unreg
GhcLibWays = v
# -------- 1. A Performance/Distribution build--------------------------------
ifeq "$(BuildFlavour)" "perf"
# perf matches the default settings, repeated here for comparison:
SRC_HC_OPTS = -O -H64m
GhcStage1HcOpts = -O -fasm
GhcStage2HcOpts = -O2 -fasm
GhcHcOpts = -Rghc-timing
GhcLibHcOpts = -O2
GhcLibWays += p
ifeq "$(PlatformSupportsSharedLibs)" "YES"
GhcLibWays += dyn
endif
endif
# ---------------- Perf build using LLVM -------------------------------------
ifeq "$(BuildFlavour)" "perf-llvm"
SRC_HC_OPTS = -O -H64m -fllvm
GhcStage1HcOpts = -O -fllvm
GhcStage2HcOpts = -O2 -fllvm
GhcHcOpts = -Rghc-timing
GhcLibHcOpts = -O2
GhcLibWays += p
ifeq "$(PlatformSupportsSharedLibs)" "YES"
GhcLibWays += dyn
endif
endif
# -------- A Fast build ------------------------------------------------------
ifeq "$(BuildFlavour)" "quickest"
SRC_HC_OPTS = -H64m -O0 -fasm
GhcStage1HcOpts = -O -fasm
GhcStage2HcOpts = -O0 -fasm
GhcLibHcOpts = -O0 -fasm
SplitObjs = NO
HADDOCK_DOCS = NO
BUILD_DOCBOOK_HTML = NO
BUILD_DOCBOOK_PS = NO
BUILD_DOCBOOK_PDF = NO
endif
# -------- A Fast build with optimised libs ----------------------------------
ifeq "$(BuildFlavour)" "quick"
SRC_HC_OPTS = -H64m -O0 -fasm
GhcStage1HcOpts = -O -fasm
GhcStage2HcOpts = -O0 -fasm
GhcLibHcOpts = -O -fasm
SplitObjs = NO
HADDOCK_DOCS = NO
BUILD_DOCBOOK_HTML = NO
BUILD_DOCBOOK_PS = NO
BUILD_DOCBOOK_PDF = NO
endif
# -------- Profile the stage2 compiler ---------------------------------------
ifeq "$(BuildFlavour)" "prof"
SRC_HC_OPTS = -H64m -O0 -fasm
GhcStage1HcOpts = -O -fasm
GhcStage2HcOpts = -O -fasm
GhcLibHcOpts = -O -fasm
GhcLibWays += p
GhcProfiled = YES
SplitObjs = NO
HADDOCK_DOCS = NO
BUILD_DOCBOOK_HTML = NO
BUILD_DOCBOOK_PS = NO
BUILD_DOCBOOK_PDF = NO
endif
# -------- A Development build (stage 1) -------------------------------------
ifeq "$(BuildFlavour)" "devel1"
SRC_HC_OPTS = -H64m -O -fasm
GhcLibHcOpts = -O -dcore-lint
GhcStage1HcOpts = -Rghc-timing -O0 -DDEBUG
GhcStage2HcOpts = -Rghc-timing -O -fasm
SplitObjs = NO
HADDOCK_DOCS = NO
BUILD_DOCBOOK_HTML = NO
BUILD_DOCBOOK_PS = NO
BUILD_DOCBOOK_PDF = NO
LAX_DEPENDENCIES = YES
endif
# -------- A Development build (stage 2) -------------------------------------
ifeq "$(BuildFlavour)" "devel2"
SRC_HC_OPTS = -H64m -O -fasm
GhcLibHcOpts = -O -dcore-lint
GhcStage1HcOpts = -Rghc-timing -O -fasm
GhcStage2HcOpts = -Rghc-timing -O0 -DDEBUG
SplitObjs = NO
HADDOCK_DOCS = NO
BUILD_DOCBOOK_HTML = NO
BUILD_DOCBOOK_PS = NO
BUILD_DOCBOOK_PDF = NO
LAX_DEPENDENCIES = YES
# After stage 1 and the libraries have been built, you can uncomment this line:
# stage=2
# Then stage 1 will not be touched by the build system, until
# you comment the line again. This is a useful trick for when you're
# working on stage 2 and want to freeze stage 1 and the libraries for
# a while.
endif
# -------- A Unregisterised build) -------------------------------------------
ifeq "$(BuildFlavour)" "unreg"
# Note that the LLVM backend works in unregisterised mode as well as
# registerised mode. This often makes it a good choice for porting
# GHC.
GhcUnregisterised = YES
GhcWithNativeCodeGen = NO
SRC_HC_OPTS = -O -H64m # -fllvm
GhcStage1HcOpts = -O
GhcStage2HcOpts = -O2
GhcHcOpts = -Rghc-timing
GhcLibHcOpts = -O2
SplitObjs = NO
HADDOCK_DOCS = NO
BUILD_DOCBOOK_HTML = NO
BUILD_DOCBOOK_PS = NO
BUILD_DOCBOOK_PDF = NO
endif
# -----------------------------------------------------------------------------
# Other settings that might be useful
# NoFib settings
NoFibWays =
STRIP_CMD = :
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