Use MD5 checksums for recompilation checking (fixes #1372, #1959)

[ghc-hetmet.git] / utils / hsc2hs / Makefile

diff --git a/utils/hsc2hs/Makefile b/utils/hsc2hs/Makefile
index 8f4cb3b..c30269d 100644 (file)
--- a/utils/hsc2hs/Makefile
+++ b/utils/hsc2hs/Makefile
@@ -5,6 +5,15 @@
 TOP=../..
 include $(TOP)/mk/boilerplate.mk
 
+# 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
 
@@ -13,7 +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
@@ -29,40 +45,42 @@ SRC_HC_OPTS      += -Wall
 # -----------------------------------------------------------------------------
 # hsc2hs script
 
-ifeq "$(HOSTPLATFORM)" "i386-unknown-mingw32"
-extra_flags=$(addprefix --cflag=,$(filter-out -O,$(SRC_CC_OPTS)))
-endif
-HSC2HS_INPLACE_EXTRA=--cc=$(CC) --ld=$(CC) $(extra_flags) --cflag=-D__GLASGOW_HASKELL__=$(ProjectVersionInt) -I$(FPTOOLS_TOP_ABS_PLATFORM)/$(GHC_INCLUDE_DIR_REL)
+INPLACE_HS=hsc2hs-inplace.hs
+INPLACE_PROG=hsc2hs-inplace
+EXCLUDED_SRCS+=$(INPLACE_HS)
 
 ifeq "$(HOSTPLATFORM)" "i386-unknown-mingw32"
-# See "MSys Note 3" in compiler/Makefile
-INPLACE_SCRIPT=hsc2hs-inplace.bat
-FULL_INPLACE_PATH=$(subst /,\,$(FPTOOLS_TOP_ABS_PLATFORM)/utils/hsc2hs/)
-all::
-       $(RM) -f $(INPLACE_SCRIPT)
-       echo '@call $(FULL_INPLACE_PATH)$(HS_PROG) ----template=$(FULL_INPLACE_PATH)template-hsc.h $(HSC2HS_INPLACE_EXTRA) %*' >> $(INPLACE_SCRIPT)
-       $(EXECUTABLE_FILE) $(INPLACE_SCRIPT)
+extra_flags=$(addprefix --cflag=,$(filter-out -O,$(SRC_CC_OPTS)))
 else
-INPLACE_SCRIPT=hsc2hs-inplace
-all::
-       $(RM) -f $(INPLACE_SCRIPT)
-       echo "#!$(SHELL)"                                                   >> $(INPLACE_SCRIPT)
-       echo "HSC2HS_BINDIR=$(FPTOOLS_TOP_ABS)/$(GHC_HSC2HS_DIR_REL)"       >> $(INPLACE_SCRIPT)
-       echo "HSC2HS_DIR=$(FPTOOLS_TOP_ABS_PLATFORM)/$(GHC_HSC2HS_DIR_REL)" >> $(INPLACE_SCRIPT)
-       echo "HS_PROG=$(HS_PROG)"                                           >> $(INPLACE_SCRIPT)
-       echo "HSC2HS_EXTRA=$(HSC2HS_INPLACE_EXTRA)"                         >> $(INPLACE_SCRIPT)
-       cat hsc2hs.sh                                                       >> $(INPLACE_SCRIPT)
-       $(EXECUTABLE_FILE) $(INPLACE_SCRIPT)
+extra_flags=
 endif
-CLEAN_FILES += $(INPLACE_SCRIPT)
+
+nothing=
+space=$(nothing) $(nothing)
+# Given
+#   foo bar
+# make
+#   :\"-Ifoo\":\"-Ibar\"
+GMP_INCLUDE_DIRS_STRINGS = $(subst $(space),,$(foreach d,$(GMP_INCLUDE_DIRS),:\"-I$(d)\"))
+
+$(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" >> $@
+
+$(INPLACE_PROG): $(INPLACE_HS)
+       $(HC) --make $< -o $@
+
+all :: $(INPLACE_PROG)
+
+CLEAN_FILES += $(INPLACE_HS) $(INPLACE_PROG)
 
 ifeq "$(HOSTPLATFORM)" "i386-unknown-mingw32"
 INSTALL_PROGS    += $(HS_PROG)
 else
 INSTALL_LIBEXECS += $(HS_PROG)
-LINK = hsc2hs
+LINK = hsc2hs-ghc
 LINK_TARGET = $(LINK)-$(ProjectVersion)
-INSTALLED_SCRIPT=$(bindir)/$(LINK_TARGET)
+INSTALLED_SCRIPT=$(DESTDIR)$(bindir)/$(LINK_TARGET)
 install::
        $(RM) -f $(INSTALLED_SCRIPT)
        echo "#!$(SHELL)"                  >> $(INSTALLED_SCRIPT)
@@ -72,6 +90,19 @@ install::
        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
 
 # -----------------------------------------------------------------------------