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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-way-opts # args: $1 = dir, $2 = distdir, $3 = way, $4 = stage
# Options for a Haskell compilation:
# - CONF_HC_OPTS source-tree-wide options, selected at
# configure-time
# - SRC_HC_OPTS source-tree-wide options from build.mk
# (optimisation, heap settings)
# - libraries/base_HC_OPTS options from libraries/base for all ways
# - libraries/base_v_HC_OPTS options from libraries/base for way v
# - WAY_v_HC_OPTS options for this way
# - EXTRA_HC_OPTS options from the command-line
# - -Idir1 -Idir2 ... include-dirs from this package
# - -odir/-hidir/-stubdir put the output files under $3/build
# - -osuf/-hisuf/-hcsuf suffixes for the output files in this way
$1_$2_$3_MOST_HC_OPTS = \
$$(WAY_$3_HC_OPTS) \
$$(CONF_HC_OPTS) \
$$(SRC_HC_OPTS) \
$$($1_HC_OPTS) \
$$($1_$2_HC_PKGCONF) \
$$(if $$($1_$2_PROG),, \
$$(if $$($1_PACKAGE),-package-name $$($1_PACKAGE)-$$($1_$2_VERSION))) \
$$(if $$($1_PACKAGE),-hide-all-packages) \
-i $$(if $$($1_$2_HS_SRC_DIRS),$$(foreach dir,$$($1_$2_HS_SRC_DIRS),-i$1/$$(dir)),-i$1) \
-i$1/$2/build -i$1/$2/build/autogen \
-I$1/$2/build -I$1/$2/build/autogen \
$$(foreach dir,$$(filter-out /%,$$($1_$2_INCLUDE_DIRS)),-I$1/$$(dir)) \
$$(foreach dir,$$(filter /%,$$($1_$2_INCLUDE_DIRS)),-I$$(dir)) \
$$(foreach inc,$$($1_$2_INCLUDE),-\#include "$$(inc)") \
$$(foreach opt,$$($1_$2_CPP_OPTS),-optP$$(opt)) \
$$(if $$($1_PACKAGE),-optP-include -optP$1/$2/build/autogen/cabal_macros.h) \
$$(foreach pkg,$$($1_$2_DEPS),-package $$(pkg)) \
$$(if $$(findstring YES,$$($1_$2_SplitObjs)),$$(if $$(findstring dyn,$3),,-split-objs),) \
$$($1_$2_HC_OPTS) \
$$($1_$2_EXTRA_HC_OPTS) \
$$($1_$2_$3_HC_OPTS) \
$$($$(basename $$<)_HC_OPTS) \
$$(EXTRA_HC_OPTS)
# For real Haskell compilations we add -hidir etc.
$1_$2_$3_ALL_HC_OPTS = \
$$($1_$2_$3_MOST_HC_OPTS) \
-odir $1/$2/build -hidir $1/$2/build -stubdir $1/$2/build \
-hisuf $$($3_hisuf) -osuf $$($3_osuf) -hcsuf $$($3_hcsuf)
ifeq "$4" "0"
# This is a bit of a hack.
# If we are compiling something with the bootstrapping compiler on
# cygwin, and it uses an include file from the rts (say), then we
# need to stop mkdependC from generating a dependincy on
# c:/ghc/rts/include/Rts.h
# as that confuses make. So we use -isystem instead of -I, which stops
# these dependencies from being generated. Technically this is wrong if
# we depend on a library that is built inside the build tree, and we
# use headers from that library, but currently I don't think that's the
# case.
$1_$2_DEP_INCLUDE_DIRS_FLAG = -isystem
else
$1_$2_DEP_INCLUDE_DIRS_FLAG = -I
endif
# We have to do this mangling using the shell, because words may contain
# spaces and GNU make doesn't have any quoting interpretation.
$1_$2_CC_INC_FLAGS:=$$(shell for i in $$($1_$2_DEP_INCLUDE_DIRS); do echo $$($1_$2_DEP_INCLUDE_DIRS_FLAG)\"$$$$i\"; done)
$1_$2_DIST_CC_OPTS = \
$$(CONF_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)
$1_$2_DIST_LD_LIB_DIRS:=$$(shell for i in $$($1_$2_DEP_LIB_DIRS); do echo \"-L$$$$i\"; done)
$1_$2_DIST_LD_OPTS = \
$$(CONF_LD_OPTS) \
$$(SRC_LD_OPTS) \
$$($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
$1_$2_$3_HSC2HS_CC_OPTS:=$$(shell for i in $$($1_$2_DIST_CC_OPTS); do echo \'--cflag=$$$$i\'; done)
$1_$2_$3_HSC2HS_LD_OPTS:=$$(shell for i in $$($1_$2_DIST_LD_OPTS); do echo \'--lflag=$$$$i\'; done)
$1_$2_$3_ALL_HSC2HS_OPTS = \
--cc=$$(WhatGccIsCalled) \
--ld=$$(WhatGccIsCalled) \
$$(CONF_HSC2HS_OPTS) \
$$(SRC_HSC2HS_OPTS) \
$$(WAY_$3_HSC2HS_OPTS) \
--cflag=-D__GLASGOW_HASKELL__=$$(ProjectVersionInt) \
$$($1_$2_$3_HSC2HS_CC_OPTS) \
$$($1_$2_$3_HSC2HS_LD_OPTS) \
$$($$(basename $$<)_HSC2HS_OPTS) \
$$(EXTRA_HSC2HS_OPTS)
$1_$2_$3_ALL_CC_OPTS = \
$$(WAY_$3_CC_OPTS) \
$$($1_$2_DIST_CC_OPTS) \
$$($1_$2_$3_CC_OPTS) \
$$($$(basename $$<)_CC_OPTS) \
$$(EXTRA_CC_OPTS)
$1_$2_$3_GHC_CC_OPTS = \
$$(addprefix -optc, $$($1_$2_$3_ALL_CC_OPTS)) \
$$($1_$2_$3_MOST_HC_OPTS)
$1_$2_$3_ALL_AS_OPTS = \
$$(CONF_AS_OPTS) \
$$(SRC_AS_OPTS)
$$(WAY_$3_AS_OPTS) \
$$($1_AS_OPTS) \
$$($1_$2_AS_OPTS) \
$$($1_$2_$3_AS_OPTS) \
$$(EXTRA_AS_OPTS)
$1_$2_$3_ALL_ALEX_OPTS = \
$$(CONF_ALEX_OPTS) \
$$(SRC_ALEX_OPTS)
$$(WAY_$3_ALEX_OPTS) \
$$($1_ALEX_OPTS) \
$$($1_$2_ALEX_OPTS) \
$$($1_$2_$3_ALEX_OPTS) \
$$(EXTRA_ALEX_OPTS)
$1_$2_$3_ALL_HAPPY_OPTS = \
$$(CONF_HAPPY_OPTS) \
$$(SRC_HAPPY_OPTS) \
$$(WAY_$3_HAPPY_OPTS) \
$$($1_HAPPY_OPTS) \
$$($1_$2_HAPPY_OPTS) \
$$($1_$2_$3_HAPPY_OPTS) \
$$(EXTRA_HAPPY_OPTS)
endef
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