Use MD5 checksums for recompilation checking (fixes #1372, #1959)
[ghc-hetmet.git] / utils / hsc2hs / Makefile
index 88f3edb..c30269d 100644 (file)
@@ -5,7 +5,14 @@
 TOP=../..
 include $(TOP)/mk/boilerplate.mk
 
-INSTALLING=1
+# Beyond stage 1, honour any Mac OS X depolyment target options.  If we use 
+# these options in stage 1 we get a linker error if the bootstrap compiler is
+#  for a more recent OS version
+ifeq "$(stage)" "2"
+SRC_CC_OPTS += $(MACOSX_DEPLOYMENT_CC_OPTS)
+SRC_HC_OPTS += $(addprefix -optc, $(MACOSX_DEPLOYMENT_CC_OPTS))
+SRC_LD_OPTS += $(addprefix -optl, $(MACOSX_DEPLOYMENT_LD_OPTS))
+endif
 
 # This causes libghccompat.a to be used:
 include $(GHC_COMPAT_DIR)/compat.mk
@@ -15,7 +22,14 @@ include $(GHC_COMPAT_DIR)/compat.mk
 # we must also build with $(GhcHcOpts) here:
 SRC_HC_OPTS += $(GhcHcOpts) $(GhcStage1HcOpts)
 
-HS_PROG           = hsc2hs-bin
+# We have two version: the inplace version compiled by the bootstrap compiler
+#   and the install version compiled by the stage 1 compiler
+ifeq "$(stage)" "2"
+HS_PROG           = hsc2hs.bin
+else
+HS_PROG           = hsc2hs-inplace.bin
+endif
+
 ifeq "$(HOSTPLATFORM)" "i386-unknown-mingw32"
 HS_PROG           = hsc2hs$(exeext)
 endif
@@ -23,76 +37,84 @@ ifeq "$(HOSTPLATFORM)" "i386-unknown-cygwinw32"
 HS_PROG           = hsc2hs$(exeext)
 endif
 
-ifeq "$(ghc_ge_504)" "NO"
-SRC_HC_OPTS +=  -package util
-endif
-
 # Note: Somehow we should pass $(exeext) here, but the history of changes used
 # for calling the C preprocessor via GHC has changed a few times, making a
 # clean solution impossible. So we revert to a hack in Main.hs...
 SRC_HC_OPTS      += -Wall
 
-ifneq "$(HOSTPLATFORM)" "i386-unknown-mingw32"
-INSTALLED_SCRIPT_PROG  = hsc2hs-ghc
-endif
-INPLACE_SCRIPT_PROG    = hsc2hs-inplace
-
-ifeq "$(INSTALLING)" "1"
-TOP_PWD        := $(prefix)
-SCRIPT_PROG    =  $(INSTALLED_SCRIPT_PROG)
-else
-TOP_PWD        := $(FPTOOLS_TOP_ABS)
-SCRIPT_PROG    =  $(INPLACE_SCRIPT_PROG)
-endif
+# -----------------------------------------------------------------------------
+# hsc2hs script
 
-ifeq "$(INSTALLING)" "1"
-ifeq "$(BIN_DIST)"   "1"
-HSC2HS_BINDIR=$$\"\"libexecdir
-HSC2HS_DIR=$$\"\"libdir
-HSC2HS_EXTRA=
-else
-HSC2HS_BINDIR=$(libexecdir)
-HSC2HS_DIR=$(libdir)
-HSC2HS_EXTRA=--cc=$(bindir)/ghc-$(ProjectVersion)
-endif # BIN_DIST
-else
-HSC2HS_BINDIR=$(FPTOOLS_TOP_ABS)/$(GHC_HSC2HS_DIR_REL)
-HSC2HS_DIR=$(FPTOOLS_TOP_ABS_PLATFORM)/$(GHC_HSC2HS_DIR_REL)
+INPLACE_HS=hsc2hs-inplace.hs
+INPLACE_PROG=hsc2hs-inplace
+EXCLUDED_SRCS+=$(INPLACE_HS)
 
 ifeq "$(HOSTPLATFORM)" "i386-unknown-mingw32"
 extra_flags=$(addprefix --cflag=,$(filter-out -O,$(SRC_CC_OPTS)))
+else
+extra_flags=
 endif
 
-HSC2HS_EXTRA="--cc=$(CC) --ld=$(CC) $(extra_flags) --cflag=-D__GLASGOW_HASKELL__=$(ProjectVersionInt) -I$(FPTOOLS_TOP_ABS_PLATFORM)/$(GHC_INCLUDE_DIR_REL)"
-endif
+nothing=
+space=$(nothing) $(nothing)
+# Given
+#   foo bar
+# make
+#   :\"-Ifoo\":\"-Ibar\"
+GMP_INCLUDE_DIRS_STRINGS = $(subst $(space),,$(foreach d,$(GMP_INCLUDE_DIRS),:\"-I$(d)\"))
 
-$(SCRIPT_PROG) : Makefile
-$(INSTALLED_SCRIPT_PROG) : $(TOP)/mk/config.mk
+$(INPLACE_HS): Makefile $(FPTOOLS_TOP)/mk/config.mk
+       echo "import System.Cmd; import System.Environment; import System.Exit" > $@
+       echo "main = do args <- getArgs; rawSystem \"$(FPTOOLS_TOP_ABS)/$(GHC_HSC2HS_DIR_REL)/$(HS_PROG)\" (\"--template=$(FPTOOLS_TOP_ABS)/$(GHC_HSC2HS_DIR_REL)/template-hsc.h\":\"--cc=$(CC)\":\"--ld=$(CC)\"$(patsubst %,:\"%\",$(extra_flags)):\"--cflag=-D__GLASGOW_HASKELL__=$(ProjectVersionInt)\":\"-I$(FPTOOLS_TOP_ABS)/$(GHC_INCLUDE_DIR_REL)\":\"-I$(FPTOOLS_TOP_ABS)/gmp/gmpbuild\"$(GMP_INCLUDE_DIRS_STRINGS):args) >>= exitWith" >> $@
 
-SCRIPT_SUBST_VARS = HSC2HS_BINDIR HSC2HS_DIR HS_PROG HSC2HS_EXTRA
+$(INPLACE_PROG): $(INPLACE_HS)
+       $(HC) --make $< -o $@
 
-SCRIPT_OBJS=hsc2hs.sh
-INTERP=$(SHELL)
+all :: $(INPLACE_PROG)
 
-ifneq "$(TARGETPLATFORM)" "i386-unknown-mingw32"
-INSTALL_SCRIPTS  += $(SCRIPT_PROG)
-INSTALL_LIBEXECS += $(HS_PROG)
-else
+CLEAN_FILES += $(INPLACE_HS) $(INPLACE_PROG)
+
+ifeq "$(HOSTPLATFORM)" "i386-unknown-mingw32"
 INSTALL_PROGS    += $(HS_PROG)
+else
+INSTALL_LIBEXECS += $(HS_PROG)
+LINK = hsc2hs-ghc
+LINK_TARGET = $(LINK)-$(ProjectVersion)
+INSTALLED_SCRIPT=$(DESTDIR)$(bindir)/$(LINK_TARGET)
+install::
+       $(RM) -f $(INSTALLED_SCRIPT)
+       echo "#!$(SHELL)"                  >> $(INSTALLED_SCRIPT)
+       echo "HSC2HS_BINDIR=$(libexecdir)" >> $(INSTALLED_SCRIPT)
+       echo "HSC2HS_DIR=$(libdir)"        >> $(INSTALLED_SCRIPT)
+       echo "HS_PROG=$(HS_PROG)"          >> $(INSTALLED_SCRIPT)
+       echo "HSC2HS_EXTRA="               >> $(INSTALLED_SCRIPT)
+       cat hsc2hs.sh                      >> $(INSTALLED_SCRIPT)
+       $(EXECUTABLE_FILE) $(INSTALLED_SCRIPT)
+
+ifneq "$(NO_INSTALL_HSC2HS)" "YES"
+install::
+       $(CP) $(INSTALLED_SCRIPT) $(DESTDIR)/$(bindir)/hsc2hs
+endif
+endif
+
+# hsc2hs-inplace is needed to 'make boot' in compiler.
+# Do a recursive 'make all' after generating dependencies, because this
+# will work with 'make -j'.
+ifneq "$(BootingFromHc)" "YES"
+boot :: depend
+       $(MAKE) all
 endif
 
+# -----------------------------------------------------------------------------
+
 override datadir=$(libdir)
 INSTALL_DATAS += template-hsc.h
 
-# -----------------------------------------------------------------------------
-# don't recurse on 'make install'
-#
-ifeq "$(INSTALLING)" "1"
-all :: $(HS_PROG)
-       $(MAKE) INSTALLING=0 BIN_DIST=0 $(MFLAGS) $@
-
-clean distclean maintainer-clean :: 
-       $(MAKE) INSTALLING=0 BIN_DIST=0 $(MFLAGS) $@
-endif
+binary-dist:
+       $(INSTALL_DIR)                      $(BIN_DIST_DIR)/utils/hsc2hs
+       $(INSTALL_DATA)    Makefile         $(BIN_DIST_DIR)/utils/hsc2hs/
+       $(INSTALL_DATA)    hsc2hs.sh        $(BIN_DIST_DIR)/utils/hsc2hs/
+       $(INSTALL_DATA)    $(INSTALL_DATAS) $(BIN_DIST_DIR)/utils/hsc2hs/
+       $(INSTALL_PROGRAM) $(HS_PROG)       $(BIN_DIST_DIR)/utils/hsc2hs/
 
 include $(TOP)/mk/target.mk