#-----------------------------------------------------------------------------#
# Copyright (C) 2002, 2004-2011 The University of Melbourne.
# This file may only be copied under the terms of the GNU General
# Public License - see the file COPYING in the Mercury distribution.
#-----------------------------------------------------------------------------#
# Mercury.options - module-specific flags for Mmake and `mmc --make'.
#-----------------------------------------------------------------------------#

# Modules which use user-guided type specialization need to be compiled with
# $(TYPE_SPEC_FLAGS) flags to make sure all calls to the builtin comparison
# routines are inlined.
TYPE_SPEC_FLAGS = --inline-vars-threshold 10000
MCFLAGS-list                    += $(TYPE_SPEC_FLAGS)
MCFLAGS-map                     += $(TYPE_SPEC_FLAGS)
MCFLAGS-tree234                 += $(TYPE_SPEC_FLAGS)
MCFLAGS-set                     += $(TYPE_SPEC_FLAGS)
MCFLAGS-set_ordlist             += $(TYPE_SPEC_FLAGS)

MCFLAGS-lexer                   += --optimize-constructor-last-call

MCFLAGS-sparse_bitset   += --use-atomic-cells --optimize-constant-propagation
MCFLAGS-tree_bitset     += --use-atomic-cells --optimize-constant-propagation

MCFLAGS-version_hash_table      += --optimize-unused-args

# Speed up structure sharing analysis.
MCFLAGS-set_ctree234            += --structure-sharing-widening 1
MCFLAGS-set_tree234             += --structure-sharing-widening 1
MCFLAGS-tree234                 += --structure-sharing-widening 1

# Bug workarounds.
MCFLAGS-std_util                += --no-halt-at-warn
MCFLAGS-dir                     += --no-halt-at-warn
MCFLAGS-exception               += --no-halt-at-warn

# This is needed to avoid errors on the calls that implement e.g. io.format/3
# in terms of io.format/4, and string.format/2 in terms of string.format/3.
# varset.trans_opt includes the relevant part of string.opt.
#
# We have obsoleted the predicates that get and set the globals field
# in the I/O state. However, until we delete that field, the initialization
# of the I/O state must still initialize the globals, which unavoidably
# calls a now-obsolete predicate.
MCFLAGS-io                      += --no-warn-obsolete

MCFLAGS-mer_std                 += --no-warn-nothing-exported

# Avoid warnings about insts with non-existent function symbols in their
# bound lists. The non-existent function symbols are used here to represent
# insts for foreign types.
MCFLAGS-array                   += --no-warn-insts-without-matching-type
MCFLAGS-bitmap                  += --no-warn-insts-without-matching-type
MCFLAGS-io.text_read            += --no-warn-insts-without-matching-type

# Avoid warnings about unused imports.
MCFLAGS-builtin                 += --no-warn-unused-imports
MCFLAGS-construct               += --no-warn-unused-imports
MCFLAGS-deconstruct             += --no-warn-unused-imports
MCFLAGS-int32                   += --no-warn-unused-imports
MCFLAGS-int64                   += --no-warn-unused-imports
MCFLAGS-library                 += --no-warn-unused-imports
MCFLAGS-mer_std                 += --no-warn-unused-imports
MCFLAGS-term_size_prof_builtin  += --no-warn-unused-imports
MCFLAGS-uint64                  += --no-warn-unused-imports

# In parallel, low level C grades that don't reserve a machine register for
# the engine base (i.e. don't use gcc global registers) don't generate code
# that assumes we cache the engine base address into a local variable
# MR_local_thread_engine_base. This module contains handwritten code
# that jumps about a bit, and maintaining MR_local_thread_engine_base in all
# the right places is tricky (i.e. I gave up).
MCFLAGS-thread                  += --no-local-thread-engine-base
MCFLAGS-thread.semaphore        += --no-local-thread-engine-base

# Work around a warning for termination analysis of the user defined equality
# and comparison code for lazy values.
MCFLAGS-lazy                    += --no-warn-non-term-special-preds