diff options
Diffstat (limited to 'mk/config.mk.in')
| -rw-r--r-- | mk/config.mk.in | 49 |
1 files changed, 40 insertions, 9 deletions
diff --git a/mk/config.mk.in b/mk/config.mk.in index f9394429bf..967c7510a1 100644 --- a/mk/config.mk.in +++ b/mk/config.mk.in @@ -64,10 +64,36 @@ GhcHcOpts=-Rghc-timing # Extra options added to specific stages of the compiler bootstrap. # These are placed later on the command line, and may therefore # override options from $(GhcHcOpts). +# +# See Note [Stage number in build variables]. GhcStage1HcOpts= GhcStage2HcOpts=-O2 GhcStage3HcOpts=-O2 +# Disable -O2 optimization. Otherwise amount of generated C code +# makes things very slow to compile (~5 minutes on core-i7 for 'compiler/hsSyn/HsExpr.lhs') +# and sometimes not compile at all (powerpc64 overflows something +# on 'compiler/hsSyn/HsExpr.lhs'). +ifeq "$(GhcUnregisterised)" "YES" +GhcStage1HcOpts= +GhcStage2HcOpts= +GhcStage3HcOpts= +endif + +# Note [Stage number in build variables]. +# +# There are (unfortunately) two different naming schemes for build variables +# specific to a certain stage. +# +# * GhcStage1HcOpts/GhcStage2HcOpts/GhcStage3HcOpts: +# +# The stage number refers to the compiler stage being built (ghc library +# and executable). +# +# * SRC_HC_OPTS_STAGE$4 and SRC_HC_WARNING_OPTS_STAGE$4: +# +# The stage number refers to the compiler stage the options are passed to. + GhcDebugged=NO GhcDynamic=NO @@ -408,15 +434,20 @@ BIN_DIST_TAR_COMP = $(BIN_DIST_NAME)-$(TARGETPLATFORM).tar.$(TAR_COMP_EXT) # SRC_HC_OPTS += -H32m -O -# Disable -O2 optimization. Otherwise amount of generated C code -# makes things very slow to compile (~5 minutes on core-i7 for 'compiler/hsSyn/HsExpr.lhs') -# and sometimes not compile at all (powerpc64 overflows something -# on 'compiler/hsSyn/HsExpr.lhs'). -ifeq "$(GhcUnregisterised)" "YES" -GhcStage1HcOpts= -GhcStage2HcOpts= -GhcStage3HcOpts= -endif + +# See Note [Stage number in build variables]. +SRC_HC_OPTS_STAGE0 = +SRC_HC_OPTS_STAGE1 = +SRC_HC_OPTS_STAGE2 = + +# Warning supression flags. See mk/warnings.mk. +SRC_CC_WARNING_OPTS = +SRC_HC_WARNING_OPTS = + +# See Note [Stage number in build variables]. +SRC_HC_WARNING_OPTS_STAGE0 = +SRC_HC_WARNING_OPTS_STAGE1 = +SRC_HC_WARNING_OPTS_STAGE2 = # ----------------------------------------------------------------------------- # Names of programs in the GHC tree |