# -----------------------------------------------------------------------------
#
# (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
#
# -----------------------------------------------------------------------------

define build-package-data # args: $1 = dir, $2 = distdir

ifeq "$(BuildSharedLibs)" "YES"
$1_$2_CONFIGURE_OPTS += --enable-shared
endif

ifeq "$(HSCOLOUR_SRCS)" "YES"
$1_$2_CONFIGURE_OPTS += --with-hscolour="$$(HSCOLOUR)"
endif

# We filter out -Werror from SRC_CC_OPTS, because when configure tests
# for a feature it may not generate warning-free C code, and thus may
# think that the feature doesn't exist if -Werror is on.
$1_$2_CONFIGURE_OPTS += --configure-option=CFLAGS="$$(filter-out -Werror,$$(SRC_CC_OPTS)) $$($1_CC_OPTS) $$($1_$2_CC_OPTS)"
$1_$2_CONFIGURE_OPTS += --configure-option=LDFLAGS="$$(SRC_LD_OPTS) $$($1_LD_OPTS) $$($1_$2_LD_OPTS)"

# This rule configures the package, generates the package-data.mk file
# for our build system, and registers the package for use in-place in
# the build tree.
$1/$2/package-data.mk $1/$2/inplace-pkg-config $1/$2/build/autogen/cabal_macros.h : $$(GHC_CABAL_INPLACE) $$($1_$2_GHC_PKG_DEP) $1/$$($1_PACKAGE).cabal $$(wildcard $1/configure) $$($1_$2_HC_CONFIG_DEP)
	"$$(GHC_CABAL_INPLACE)" configure --with-ghc="$$($1_$2_HC_CONFIG)" --with-ghc-pkg="$$($1_$2_GHC_PKG)" --with-gcc="$$(WhatGccIsCalled)" --configure-option=--with-cc="$$(WhatGccIsCalled)" $$($1_CONFIGURE_OPTS) $$($1_$2_CONFIGURE_OPTS) -- $2 $1
	if [ "$$($1_$2_PROG)" = "" ]; then \
	    "$$($1_$2_GHC_PKG)" update --force $$($1_$2_GHC_PKG_OPTS) $1/$2/inplace-pkg-config; \
	fi

endef