Import libffi-3.0.4, and use it to provide FFI support in GHCi

[ghc-hetmet.git] / libffi / Makefile

diff --git a/libffi/Makefile b/libffi/Makefile
new file mode 100644 (file)
index 0000000..3a7cb69
--- /dev/null
+++ b/libffi/Makefile
@@ -0,0 +1,124 @@
+
+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.
+#
+# 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, $(GhcRTSWays))" "dyn"
+BUILD_SHARED=yes
+else
+BUILD_SHARED=no
+endif
+
+boot :: stamp.ffi.static
+BINDIST_STAMPS = stamp.ffi.static
+INSTALL_HEADERS += ffi.h
+INSTALL_LIBS += libffi.a
+
+ifeq "$(BUILD_SHARED)" "yes"
+boot :: stamp.ffi.shared
+BINDIST_STAMPS += stamp.ffi.shared
+INSTALL_LIBS += libffi.dll.a
+INSTALL_PROGS += libffi-3.dll
+endif
+
+install all :: $(INSTALL_HEADERS) $(INSTALL_LIBS) $(INSTALL_PROGS)
+
+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
+
+#-----------------------------------------------------------------------------
+#
+# binary-dist
+
+include $(TOP)/mk/target.mk
+
+binary-dist:
+       $(INSTALL_DIR)                         $(BIN_DIST_DIR)/libffi
+       $(INSTALL_DATA)    Makefile            $(BIN_DIST_DIR)/libffi/
+ifneq "$(HaveLibFFI)" "YES"
+       $(INSTALL_DATA)    $(BINDIST_STAMPS)   $(BIN_DIST_DIR)/libffi/
+  ifneq "$(INSTALL_PROGS)" ""
+       $(INSTALL_DATA)    $(INSTALL_PROGS)    $(BIN_DIST_DIR)/libffi/
+  endif
+  ifneq "$(INSTALL_LIBS)" ""
+       $(INSTALL_DATA)    $(INSTALL_LIBS)     $(BIN_DIST_DIR)/libffi/
+  endif
+  ifneq "$(INSTALL_HEADERS)" ""
+       $(INSTALL_HEADER)  $(INSTALL_HEADERS)  $(BIN_DIST_DIR)/libffi/
+  endif
+endif
+