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| -rw-r--r-- | mk/config.mk.in | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/mk/config.mk.in b/mk/config.mk.in index 4e61732c0f..5b04f6b355 100644 --- a/mk/config.mk.in +++ b/mk/config.mk.in @@ -386,6 +386,23 @@ WINDOWS_INSTALLER = $(WINDOWS_INSTALLER_BASE)$(exeext) # # SRC_HC_OPTS += -O + +# SRC_HC_OPTS includes flags to be added to *every* Haskell +# compilation. Setting SRC_HC_OPTS is a good way to set the default +# optimisation level (-O) and heap size (-H<size>). +# +# SRC_HC_OPTS is *not* for adding flags that are required to make your +# build work. Examples: +# +# - instead of using -pgmc/-pgma-/-pgml, use the --with-gcc option to configure +# +# - if you need -optc, -opta, or -optl flags, the CONF_CC_* and CONF_LD_* +# variables are more appropriate (set via configure) +# +# Note that SRC_HC_OPTS are added to every Haskell compilation, +# including when using the bootstrapping compiler (stage 0), So don't +# put options here that are only supported by very recent GHCs. +# SRC_HC_OPTS += -H32m -O # These flags make flex 8-bit |