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|
TOP=..
DONT_WANT_STD_GHCI_LIB_RULE=YES
DONT_WANT_STD_LIBRARY=YES
include $(TOP)/mk/boilerplate.mk
# We package libffi as Haskell package for two reasons:
# 1) GHC uses different names for shared and static libs, so it can
# choose the lib variant to link with on its own. With regular
# libtool styled shared lib names, the linker would interfer and
# link against the shared lib variant even when GHC runs in -static
# mode.
# 2) The first issue isn't a problem when a shared lib of libffi would
# be installed in system locations, but we do not assume that. So,
# when running in -dynamic mode, we must either install libffi to
# system locations ourselves, or we must add its location to
# respective environment variable, (DY)LD_LIBRARY_PATH etc...before
# we call dynamically linked binaries. Especially, the latter is
# necessary as GHC calls binary it produced before its installation
# phase. However, both mechanism, installing to system locations or
# modifying (DY)LD_LIBRARY_PATH, are already in place for Haskell
# packages so with packaging libffi as Haskell package we reuse
# them naturally.
PACKAGE=ffi
# -----------------------------------------------------------------------------
#
# 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.
#
# 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
HS_DYN_LIB_NAME=libHSffi-ghc$(ProjectVersion)$(soext)
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.configure:
$(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)
# libffi.so needs to be built with the correct soname.
# NOTE: this builds libffi_convience.so with the incorrect
# soname, but we don't need that anyway!
sed -i -e s/soname_spec=.*/soname_spec="$(HS_DYN_LIB_NAME)"/ build/libtool
touch $@
ffi.h: stamp.ffi.configure
$(CP) build/include/ffi.h .
stamp.ffi.build: stamp.ffi.configure
$(MAKE) -C build MAKEFLAGS=
(cd build; ./libtool --mode=install cp libffi.la $(FPTOOLS_TOP_ABS)/libffi)
touch $@
$(STATIC_LIB) $(DYNAMIC_LIBS) $(DYNAMIC_PROG): stamp.ffi.build
libHSffi.a libHSffi_p.a: $(STATIC_LIB)
cp $(STATIC_LIB) $@
all :: libHSffi.a libHSffi_p.a
# The GHCi import lib isn't needed as compiler/ghci/Linker.lhs + rts/Linker.c
# link the interpreted references to FFI to the compiled FFI.
# Instead of adding libffi to the list preloaded packages (see
# compiler/ghci/Linker.lhs:emptyPLS) we generate an empty HSffi.o
HSffi.o: libHSffi.a
ld -r -o HSffi.o /dev/null # this is intentional
# $(RM) -fr unpack
# (mkdir unpack; cd unpack; ar x ../libHSffi.a; ld -r -o ../HSffi.o *.o)
# $(RM) -fr unpack
all :: HSffi.o
ifeq "$(BuildSharedLibs)" "YES"
$(HS_DYN_LIB_NAME): $(DYNAMIC_LIBS)
cp $(word 1,$(DYNAMIC_LIBS)) $(HS_DYN_LIB_NAME)
all :: $(HS_DYN_LIB_NAME)
endif
clean distclean maintainer-clean ::
$(RM) -f stamp.ffi.configure stamp.ffi.build ffi.h
$(RM) -f libffi.a libffi.la $(DYNAMIC_PROG) $(DYNAMIC_LIBS) $(ORIG_DYNAMIC_LIBS)
$(RM) -rf build
#-----------------------------------------------------------------------------
#
# 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
|
