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A normal `make show` starts a build of the ghc-stage1 compiler, to
create package-data.mk files. This version doesn't read those, so it
will work right after ./configure.
Differential Revision: https://phabricator.haskell.org/D1064
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Do what this comment was suggesting:
"Ideally we'd like to have 'make -r' turned on by default, because
that disables all the implicit rules, but there doesn't seem to be a
good way to do that."
This change doesn't seem to have much effect on the time it takes to run
make. Apparently clearing .SUFFIXES was enough for that. But it does
make the output of `make -d` quite a bit shorter, which is nice.
Note: ghc.mk is always called indirectly, so no need to set .SUFFIXES or
MAKEFLAGS there again.
Differential Revision: https://phabricator.haskell.org/D915
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Summary:
This fixes the usage of `make help` in the top-level and subdirectories.
Signed-off-by: Austin Seipp <austin@well-typed.com>
Test Plan: It worked now and didn't before.
Reviewers: hvr
Reviewed By: hvr
Subscribers: thomie
Differential Revision: https://phabricator.haskell.org/D692
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The logic is now in mk/compiler-ghc.mk rather than being duplicated in
ghc/Makefile and compiler/Makefile.
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e.g.
cd compiler
make FAST=YES stage1/build/HscTypes.o
builds just the specified .o file, without rebuilding dependencies,
and omitting some of the makefile phases. FAST=YES works anywhere, to
omit depenencies and phases. 'make fast' is shorthand for 'make
all FAST=YES'.
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Including help for directory-specific targets, such as 'make 1' in ghc
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