distdir-opts.mk 3.74 KB
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# -----------------------------------------------------------------------------
#
# (c) 2009 The University of Glasgow
#
# This file is part of the GHC build system.
#
# To understand how the build system works and how to modify it, see
#      http://hackage.haskell.org/trac/ghc/wiki/Building/Architecture
#      http://hackage.haskell.org/trac/ghc/wiki/Building/Modifying
#
# -----------------------------------------------------------------------------


# Set compilation flags that additionally depend on a particular way

define distdir-opts # args: $1 = dir, $2 = distdir, $3 = stage

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ifeq "$3" ""
$$(error Stage not given for distdir-opts $1 $2)
endif

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ifeq "$3" "0"
# This is a bit of a hack.
# If we are compiling something with the bootstrapping compiler on
# cygwin, and it uses an include file from the rts (say), then we
# need to stop mkdependC from generating a dependincy on
#     c:/ghc/rts/include/Rts.h
# as that confuses make. So we use -isystem instead of -I, which stops
# these dependencies from being generated. Technically this is wrong if
# we depend on a library that is built inside the build tree, and we
# use headers from that library, but currently I don't think that's the
# case.
$1_$2_DEP_INCLUDE_DIRS_FLAG = -isystem
else
$1_$2_DEP_INCLUDE_DIRS_FLAG = -I
endif

ifneq ($$(strip $$($1_$2_DEP_INCLUDE_DIRS_SINGLE_QUOTED)),)
$1_$2_CC_INC_FLAGS := $$(subst $$(space)',$$(space)$$($1_$2_DEP_INCLUDE_DIRS_FLAG)',$$(space)$$($1_$2_DEP_INCLUDE_DIRS_SINGLE_QUOTED))
endif

# The CONF_CC_OPTS_STAGE$3 options are what we use to get gcc to
# behave correctly, but they are specific to the gcc that we are using.
# If GHC is compiling C code then it will take care of that for us,
# and in the case of the stage 0 compiler it may be using a different
# gcc, so we don't want to use our gcc-specific options.
$1_$2_DIST_GCC_CC_OPTS = \
 $$(CONF_CC_OPTS_STAGE$3) \
 $$($1_$2_DIST_CC_OPTS)

$1_$2_DIST_CC_OPTS = \
 $$(SRC_CC_OPTS) \
 $$($1_CC_OPTS) \
 $$(foreach dir,$$(filter-out /%,$$($1_$2_INCLUDE_DIRS)),-I$1/$$(dir)) \
 $$(foreach dir,$$(filter /%,$$($1_$2_INCLUDE_DIRS)),-I$$(dir)) \
 $$($1_$2_CC_OPTS) \
 $$($1_$2_CPP_OPTS) \
 $$($1_$2_CC_INC_FLAGS) \
 $$($1_$2_DEP_CC_OPTS) \
 $$(SRC_CC_WARNING_OPTS)

ifneq ($$(strip $$($1_$2_DEP_LIB_DIRS_SINGLE_QUOTED)),)
$1_$2_DIST_LD_LIB_DIRS := $$(subst $$(space)',$$(space)-L',$$(space)$$($1_$2_DEP_LIB_DIRS_SINGLE_QUOTED))
endif

$1_$2_DIST_LD_OPTS = \
 $$(CONF_GCC_LINKER_OPTS_STAGE$3) \
 $$(SRC_LD_OPTS) \
 $$($1_LD_OPTS) \
 $$($1_$2_LD_OPTS) \
 $$($1_$2_DIST_LD_LIB_DIRS) \
 $$(foreach opt,$$($1_$2_DEP_EXTRA_LIBS),-l$$(opt)) \
 $$($1_$2_DEP_LD_OPTS)

# c.f. Cabal's Distribution.Simple.PreProcess.ppHsc2hs
# We use '' around cflags and lflags to handle paths with backslashes in
# on Windows
ifneq ($$(strip $$($1_$2_DIST_GCC_CC_OPTS)),)
$1_$2_HSC2HS_CC_OPTS:=$$(shell for i in $$($1_$2_DIST_GCC_CC_OPTS); do echo \'--cflag=$$$$i\'; done)
endif
ifneq ($$(strip $$($1_$2_DIST_LD_OPTS)),)
$1_$2_HSC2HS_LD_OPTS:=$$(shell for i in $$($1_$2_DIST_LD_OPTS); do echo \'--lflag=$$$$i\'; done)
endif

$1_$2_ALL_HSC2HS_OPTS = \
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 '--cc=$$(CC_STAGE$3)' \
 '--ld=$$(CC_STAGE$3)' \
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 $$(CONF_HSC2HS_OPTS) \
 $$(SRC_HSC2HS_OPTS) \
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 $$(SRC_HSC2HS_OPTS_STAGE$3) \
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 --cflag=-D__GLASGOW_HASKELL__=$$(if $$(filter 0,$3),$$(GhcCanonVersion),$$(ProjectVersionInt)) \
 $$($1_$2_HSC2HS_CC_OPTS) \
 $$($1_$2_HSC2HS_LD_OPTS) \
 --cflag=-I$1/$2/build/autogen \
 $$(if $$($1_PACKAGE),--cflag=-include --cflag=$1/$2/build/autogen/cabal_macros.h) \
 $$($$(basename $$<)_HSC2HS_OPTS) \
 $$(EXTRA_HSC2HS_OPTS)

$1_$2_ALL_ALEX_OPTS = \
 $$(CONF_ALEX_OPTS) \
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 $$(SRC_ALEX_OPTS) \
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 $$($1_ALEX_OPTS) \
 $$($1_$2_ALEX_OPTS) \
 $$(EXTRA_ALEX_OPTS)

$1_$2_ALL_HAPPY_OPTS = \
 $$(CONF_HAPPY_OPTS) \
 $$(SRC_HAPPY_OPTS) \
 $$($1_HAPPY_OPTS) \
 $$($1_$2_HAPPY_OPTS) \
 $$(EXTRA_HAPPY_OPTS)

endef