-# 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))
-
-ifeq "$(findstring dyn, $(GhcRTSWays))" "dyn"
-BUILD_SHARED=yes
-else
-BUILD_SHARED=no
-endif
-
-BINDIST_STAMPS = stamp.ffi.static
-INSTALL_HEADERS += ffi.h
-INSTALL_LIBS += libffi.a
-
-ifeq "$(BUILD_SHARED)" "yes"
-BINDIST_STAMPS += stamp.ffi.shared
-INSTALL_LIBS += libffi.dll.a
-INSTALL_PROGS += libffi-3.dll
-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.static:
- $(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`:$$PATH; \
- export PATH; \
- cd build && \
- CC=$(WhatGccIsCalled) $(SHELL) configure \
- --enable-shared=no --host=$(PLATFORM) --build=$(PLATFORM)
- touch $@
-
-stamp.ffi.shared:
- $(RM) -rf $(LIBFFI_DIR) build-shared
- $(TAR) -zxf $(LIBFFI_TARBALL)
- mv $(LIBFFI_DIR) build-shared
- chmod +x ln
- (set -o igncr 2>/dev/null) && set -o igncr; export SHELLOPTS; \
- PATH=`pwd`:$$PATH; \
- export PATH; \
- cd build-shared && \
- CC=$(WhatGccIsCalled) $(SHELL) configure \
- --enable-shared=yes --disable-static --host=$(PLATFORM) --build=$(PLATFORM)
- touch $@
-
-ffi.h: stamp.ffi.static
- $(CP) build/include/ffi.h .
-
-libffi.a: stamp.ffi.static
- $(MAKE) -C build MAKEFLAGS=
- $(CP) build/.libs/libffi.a .
- $(RANLIB) libffi.a
-
-libffi-3.dll: stamp.ffi.shared
- $(MAKE) -C build-shared MAKEFLAGS=
- $(CP) build-shared/.libs/libffi-3.dll .
-
-libffi.dll.a: libffi-3.dll
- $(CP) build-shared/.libs/libffi.dll.a .
-
-clean distclean maintainer-clean ::
- $(RM) -f stamp.ffi.static stamp.ffi.shared ffi.h
- $(RM) -f libffi.a libffi-3.dll libffi.dll.a
- $(RM) -rf build
- $(RM) -rf build-shared
-
-#-----------------------------------------------------------------------------