-
-TOP=..
-
-include $(TOP)/mk/boilerplate.mk
-
# -----------------------------------------------------------------------------
-# This Makefile is copied from the one we use for GMP in ../gmp.
#
-# We use libffi's own configuration stuff.
-
-PLATFORM := $(shell echo $(HOSTPLATFORM) | sed 's/i[567]86/i486/g')
-
-# 2007-09-26
-# set -o igncr
-# is not a valid command on non-Cygwin-systems.
-# Let it fail silently instead of aborting the build.
+# (c) 2009 The University of Glasgow
#
-# 2007-07-05
-# We do
-# set -o igncr; export SHELLOPTS
-# here as otherwise checking the size of limbs
-# makes the build fall over on Cygwin. See the thread
-# http://www.cygwin.com/ml/cygwin/2006-12/msg00011.html
-# for more details.
-
-# 2007-07-05
-# Passing
-# as_ln_s='cp -p'
-# isn't sufficient to stop cygwin using symlinks the mingw gcc can't
-# follow, as it isn't used consistently. Instead we put an ln.bat in
-# path that always fails.
-
-LIBFFI_TARBALL := $(firstword $(wildcard libffi*.tar.gz))
-LIBFFI_DIR := $(subst .tar.gz,,$(LIBFFI_TARBALL))
-
-BINDIST_STAMPS = stamp.ffi
-INSTALL_HEADERS += ffi.h
-STATIC_LIB = libffi.a
-INSTALL_LIBS += $(STATIC_LIB)
-
-# We have to add the GHC version to the name of our dynamic libs, because
-# they will be residing in the system location along with dynamic libs from
-# other GHC installations.
-ifeq "$(Windows)" "YES"
-DYNAMIC_PROG = libffi.dll.a
-DYNAMIC_LIBS = libffi-3.dll
-RENAME_LIBS =
-else
-DYNAMIC_PROG =
-DYNAMIC_LIBS = libffi.so libffi.so.5 libffi.so.5.0.5
-endif
-
-ifeq "$(BuildSharedLibs)" "YES"
-EnableShared=yes
-else
-EnableShared=no
-endif
-
-ifeq "$(BuildSharedLibs)" "YES"
-INSTALL_LIBS += $(DYNAMIC_LIBS)
-INSTALL_PROGS += $(DYNAMIC_PROGS)
-endif
-
-install all :: $(INSTALL_HEADERS) $(INSTALL_LIBS) $(INSTALL_PROGS)
-
-# 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 linkks which cannot be read by mingw gcc.
-# The same trick is played by the GMP build in ../gmp.
-
-stamp.ffi:
- $(RM) -rf $(LIBFFI_DIR) build
- $(TAR) -zxf $(LIBFFI_TARBALL)
- mv $(LIBFFI_DIR) build
- chmod +x ln
- (set -o igncr 2>/dev/null) && set -o igncr; export SHELLOPTS; \
- PATH=`pwd`:$$PATH; \
- export PATH; \
- cd build && \
- CC=$(WhatGccIsCalled) $(SHELL) configure \
- --enable-static=yes \
- --enable-shared=$(EnableShared) \
- --host=$(PLATFORM) --build=$(PLATFORM)
- touch $@
-
-ffi.h: stamp.ffi
- $(CP) build/include/ffi.h .
-
-$(STATIC_LIB) $(DYNAMIC_LIBS) $(DYNAMIC_PROG) : stamp.ffi
- $(MAKE) -C build MAKEFLAGS=
- (cd build; ./libtool --mode=install cp libffi.la $(FPTOOLS_TOP_ABS)/libffi)
-
-clean distclean maintainer-clean ::
- $(RM) -f stamp.ffi ffi.h
- $(RM) -f libffi.a libffi.la $(DYNAMIC_PROG) $(DYNAMIC_LIBS) $(ORIG_DYNAMIC_LIBS)
- $(RM) -rf build
-
-#-----------------------------------------------------------------------------
+# This file is part of the GHC build system.
#
-# binary-dist
-
-include $(TOP)/mk/target.mk
-
-BINDIST_EXTRAS += $(BINDIST_STAMPS)
-BINDIST_EXTRAS += $(INSTALL_PROGS)
-BINDIST_EXTRAS += $(INSTALL_LIBS)
-BINDIST_EXTRAS += $(INSTALL_HEADERS)
-include $(TOP)/mk/bindist.mk
+# To understand how the build system works and how to modify it, see
+# http://hackage.haskell.org/trac/ghc/wiki/Building/Architecture
+# http://hackage.haskell.org/trac/ghc/wiki/Building/Modifying
+#
+# -----------------------------------------------------------------------------
+dir = libffi
+TOP = ../..
+include $(TOP)/mk/sub-makefile.mk