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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://ghc.haskell.org/trac/ghc/wiki/Building/Architecture
# http://ghc.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
ifeq "$3" ""
$$(error Stage not given for distdir-opts $1 $2)
endif
ifneq ($$(strip $$($1_$2_DEP_INCLUDE_DIRS_SINGLE_QUOTED)),)
$1_$2_CC_INC_FLAGS := $$(subst $$(space)',$$(space)-I',$$(space)$$($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) \
-I$1/$2/build/$$(or $$($1_EXECUTABLE),$$($1_$2_PROGNAME),.)/autogen \
$$(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)$$($1_$2_DEP_LIB_DIRS_SINGLE_QUOTED))
endif
$1_$2_DIST_LD_OPTS = \
$$(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 $$($1_$2_DIST_LD_OPTS); do echo \'--lflag=$$$$i\'; done)
endif
$1_$2_ALL_HSC2HS_OPTS = \
'--cc=$$(CC_STAGE$3)' \
'--ld=$$(CC_STAGE$3)' \
$$(CONF_HSC2HS_OPTS) \
$$(SRC_HSC2HS_OPTS) \
$$(SRC_HSC2HS_OPTS_STAGE$3) \
--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/$$(or $$($1_EXECUTABLE),$$($1_$2_PROGNAME),.)/autogen \
$$(if $$($1_PACKAGE),--cflag=-include --cflag=$1/$2/build/$$(or $$($1_EXECUTABLE),$$($1_$2_PROGNAME),.)/autogen/cabal_macros.h) \
$$($$(basename $$<)_HSC2HS_OPTS) \
$$(EXTRA_HSC2HS_OPTS)
$1_$2_ALL_ALEX_OPTS = \
$$(CONF_ALEX_OPTS) \
$$(SRC_ALEX_OPTS) \
$$($1_ALEX_OPTS) \
$$($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
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