Drop make build system

Here we at long last remove the `make`-based build system, it having
been replaced with the Shake-based Hadrian build system. Users are
encouraged to refer to the documentation in `hadrian/doc` and this [1]
blog post for details on using Hadrian.

Closes #17527.

[1] https://www.haskell.org/ghc/blog/20220805-make-to-hadrian.html

1 files changed, 0 insertions, 132 deletions

diff --git a/libffi/ghc.mk b/libffi/ghc.mk
deleted file mode 100644
index c82cb783e3..0000000000
--- a/libffi/ghc.mk
+++ /dev/null
@@ -1,132 +0,0 @@
-# -----------------------------------------------------------------------------
-#
-# (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
-#      https://gitlab.haskell.org/ghc/ghc/wikis/building/architecture
-#      https://gitlab.haskell.org/ghc/ghc/wikis/building/modifying
-#
-# -----------------------------------------------------------------------------
-
-
-libffi_STAMP_STATIC_CONFIGURE = libffi/stamp.ffi.static.configure
-libffi_STAMP_STATIC_BUILD     = libffi/stamp.ffi.static.build
-libffi_STAMP_STATIC_INSTALL   = libffi/stamp.ffi.static.install
-
-libffi_STAMP_STATIC_SHARED_CONFIGURE = libffi/stamp.ffi.static-shared.configure
-libffi_STAMP_STATIC_SHARED_BUILD     = libffi/stamp.ffi.static-shared.build
-libffi_STAMP_STATIC_SHARED_INSTALL   = libffi/stamp.ffi.static-shared.install
-
-ifeq "$(BuildSharedLibs)" "YES"
-libffi_STAMP_CONFIGURE = $(libffi_STAMP_STATIC_SHARED_CONFIGURE)
-libffi_STAMP_BUILD     = $(libffi_STAMP_STATIC_SHARED_BUILD)
-libffi_STAMP_INSTALL   = $(libffi_STAMP_STATIC_SHARED_INSTALL)
-libffi_EnableShared    = yes
-else
-libffi_STAMP_CONFIGURE = $(libffi_STAMP_STATIC_CONFIGURE)
-libffi_STAMP_BUILD     = $(libffi_STAMP_STATIC_BUILD)
-libffi_STAMP_INSTALL   = $(libffi_STAMP_STATIC_INSTALL)
-libffi_EnableShared    = no
-endif
-
-libffi_STATIC_LIB  = libffi/build/inst/lib/libffi.a
-libffi_HEADERS     = rts/dist-install/build/include/ffi.h \
-                     rts/dist-install/build/include/ffitarget.h
-
-ifeq "$(HostOS_CPP)" "mingw32"
-LIBFFI_NAME = ffi-6
-else
-LIBFFI_NAME = ffi
-endif
-LIBFFI_DLL = lib$(LIBFFI_NAME).dll
-
-ifneq "$(BINDIST)" "YES"
-$(libffi_STAMP_CONFIGURE): $(TOUCH_DEP)
-	$(call removeFiles,$(libffi_STAMP_STATIC_CONFIGURE))
-	$(call removeFiles,$(libffi_STAMP_STATIC_BUILD))
-	$(call removeFiles,$(libffi_STAMP_STATIC_INSTALL))
-	$(call removeFiles,$(libffi_STAMP_STATIC_SHARED_CONFIGURE))
-	$(call removeFiles,$(libffi_STAMP_STATIC_SHARED_BUILD))
-	$(call removeFiles,$(libffi_STAMP_STATIC_SHARED_INSTALL))
-	$(call removeTrees,$(LIBFFI_DIR) libffi/build)
-	cat libffi-tarballs/libffi*.tar.gz | $(GZIP_CMD) -d | { cd libffi && $(TAR_CMD) -xf - ; }
-	mv libffi/libffi-* libffi/build
-
-# update config.guess/config.sub
-	$(CP) "$(TOP)/config.guess" libffi/build/config.guess
-	$(CP) "$(TOP)/config.sub"   libffi/build/config.sub
-
-# We have to fake a non-working ln for configure, so that the fallback
-# option (cp -p) gets used instead.  Otherwise the libffi build system
-# will use cygwin symbolic links which cannot be read by mingw gcc.
-	chmod +x libffi/ln
-
-	# We need to use -MMD rather than -MD, as otherwise we get paths
-	# like c:/... in the dependency files on Windows, and the extra
-	# colons break make
-	mv libffi/build/Makefile.in libffi/build/Makefile.in.orig
-	sed "s/-MD/-MMD/" < libffi/build/Makefile.in.orig > libffi/build/Makefile.in
-
-	# We attempt to specify the installation directory below with --libdir,
-	# but libffi installs into 'toolexeclibdir' instead, which may differ
-	# on systems where gcc has multilib support. Force libffi to use libdir.
-	# (https://sourceware.org/ml/libffi-discuss/2014/msg00016.html)
-	mv libffi/build/Makefile.in libffi/build/Makefile.in.orig
-	sed 's:@toolexeclibdir@:$$(libdir):g' < libffi/build/Makefile.in.orig > libffi/build/Makefile.in
-
-	# install-sh is used when /usr/bin/install is missing; ensure its
-	# path in libffi's Makefile is correct. See GHC #11109.
-	mv libffi/build/Makefile.in libffi/build/Makefile.in.orig
-	sed 's|@INSTALL@|$$(subst ../install-sh,$(TOP)/install-sh,@INSTALL@)|g' < libffi/build/Makefile.in.orig > libffi/build/Makefile.in
-
-# * Because -Werror may be in SRC_CC_OPTS/SRC_LD_OPTS, we need to turn
-#   warnings off or the compilation of libffi might fail due to warnings;
-#   hence the -w flags.
-# * We specify --libdir, as we need to know the path to libffi.a, but on
-#   some platforms it defaults to .../lib64/ rather than .../lib/.
-	cd libffi && \
-	    cd build && \
-	    CC=$(CC_STAGE1) \
-	    CXX=$(CC_STAGE1) \
-	    LD=$(LD) \
-	    AR=$(AR_STAGE1) \
-	    NM=$(NM) \
-	    RANLIB=$(REAL_RANLIB_CMD) \
-        CFLAGS="$(SRC_CC_OPTS) $(CONF_CC_OPTS_STAGE1) -w" \
-        LDFLAGS="$(SRC_LD_OPTS) -w" \
-        "$(SHELL)" ./configure \
-	          --prefix=$(TOP)/libffi/build/inst \
-	          --libdir=$(TOP)/libffi/build/inst/lib \
-	          --disable-docs \
-	          --enable-static=yes \
-	          --enable-shared=$(libffi_EnableShared) \
-	          --host=$(TargetPlatformFull)
-
-	# wc on OS X has spaces in its output, which libffi's Makefile
-	# doesn't expect, so we tweak it to sed them out
-	mv libffi/build/Makefile libffi/build/Makefile.orig
-	sed "s#wc -w#wc -w | sed 's/ //g'#" < libffi/build/Makefile.orig > libffi/build/Makefile
-
-	"$(TOUCH_CMD)" $@
-
-$(libffi_STAMP_BUILD): $(libffi_STAMP_CONFIGURE) $(TOUCH_DEP)
-	# Use 'sync' as a temporary solution for #11960 (parallelisation bug).
-	sync; $(MAKE) -C libffi/build MAKEFLAGS=
-	"$(TOUCH_CMD)" $@
-
-$(libffi_STAMP_INSTALL): $(libffi_STAMP_BUILD) $(TOUCH_DEP)
-	$(MAKE) -C libffi/build MAKEFLAGS= install
-	"$(TOUCH_CMD)" $@
-
-$(libffi_STATIC_LIB): $(libffi_STAMP_INSTALL)
-	@test -f $@ || { echo "$< exists, but $@ does not."; echo "Suggest removing $<."; exit 1; }
-
-$(libffi_HEADERS): $(libffi_STAMP_INSTALL) | $$(dir $$@)/.
-	cp -f libffi/build/inst/include/$(notdir $@) $@
-
-$(eval $(call clean-target,libffi,, \
-    libffi/build $(wildcard libffi/stamp.ffi.*) libffi/dist-install))
-
-endif