Mac OS X deployment target: piping opts through Makefiles

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

diff --git a/utils/ghc-pkg/Makefile b/utils/ghc-pkg/Makefile
index e4c8b74..b27a2f1 100644 (file)
--- a/utils/ghc-pkg/Makefile
+++ b/utils/ghc-pkg/Makefile
@@ -4,6 +4,15 @@ include $(TOP)/mk/boilerplate.mk
 # -----------------------------------------------------------------------------
 # ghc-pkg.bin
 
+# 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
+
 SRC_HC_OPTS += -cpp -Wall -fno-warn-name-shadowing -fno-warn-unused-matches
 
 # This causes libghccompat.a to be used:
@@ -16,16 +25,36 @@ SRC_HC_OPTS += $(PACKAGE_CABAL)
 # we must also build with $(GhcHcOpts) here:
 SRC_HC_OPTS += $(GhcHcOpts) $(GhcStage1HcOpts)
 
+ifeq "$(Windows)" "NO"
+SRC_HC_OPTS += -package unix
+endif
+
+ifeq "$(ghc_ge_607)" "YES"
+SRC_HC_OPTS += -package containers
+endif
+
 # On Windows, ghc-pkg is a standalone program
 # ($bindir/ghc-pkg.exe), whereas on Unix it needs a wrapper script
 # to pass the appropriate flag to the real binary
 # ($libexecdir/ghc-pkg.bin) so that it can find package.conf.
+# on Windows, we need to take control of filename globbing ourselves
 ifeq "$(HOSTPLATFORM)" "i386-unknown-mingw32"
 HS_PROG           = ghc-pkg.exe
 INSTALL_PROGS    += $(HS_PROG)
+EXCLUDE_SRCS     += CRT_noglob.c
+NOGLOB_O          = CRT_noglob.o
 else
+
+# We have two version: the inplace version compiled by the bootstrap compiler
+#   and the install version compiled by the stage 1 compiler
+ifeq "$(stage)" "2"
 HS_PROG           = ghc-pkg.bin
+else
+HS_PROG           = ghc-pkg-inplace.bin
+endif
 INSTALL_LIBEXECS += $(HS_PROG)
+NOGLOB_O         =
+
 endif
 
 # -----------------------------------------------------------------------------
@@ -48,32 +77,36 @@ Version.hs : Makefile $(TOP)/mk/config.mk
 DIST_CLEAN_FILES += $(VERSION_HS)
 
 # -----------------------------------------------------------------------------
-# ghc-pkg script
+# ghc-pkg and ghc-pkg-inplace scripts
 
-ifeq "$(HOSTPLATFORM)" "i386-unknown-mingw32"
-# See "MSys Note 3" in compiler/Makefile
-INPLACE_SCRIPT=ghc-pkg-inplace.bat
-all::
-       $(RM) -f $(INPLACE_SCRIPT)
-       echo '@call $(subst /,\,$(FPTOOLS_TOP_ABS_PLATFORM)/utils/ghc-pkg/$(HS_PROG)) --global-conf $(FPTOOLS_TOP_ABS_PLATFORM)/driver/package.conf.inplace %*' >> $(INPLACE_SCRIPT)
-       $(EXECUTABLE_FILE) $(INPLACE_SCRIPT)
-else
-INPLACE_SCRIPT=ghc-pkg-inplace
-all::
-       $(RM) -f $(INPLACE_SCRIPT)
-       echo "#!$(SHELL)"                                                      >> $(INPLACE_SCRIPT)
-       echo "GHCPKGBIN=$(FPTOOLS_TOP_ABS)/utils/ghc-pkg/$(HS_PROG)"           >> $(INPLACE_SCRIPT)
-       echo "PKGCONF=$(FPTOOLS_TOP_ABS_PLATFORM)/driver/package.conf.inplace" >> $(INPLACE_SCRIPT)
-       echo 'exec $$GHCPKGBIN --global-conf $$PKGCONF $${1+"$$@"}'            >> $(INPLACE_SCRIPT)
-       $(EXECUTABLE_FILE) $(INPLACE_SCRIPT)
-endif
-CLEAN_FILES += $(INPLACE_SCRIPT)
+# ghc-pkg-inplace used to be either a /bin/sh script, or a .bat script
+# on Windows.  It is now a real binary, compiled from a tiny .hs
+# file.  The problem with using scripts here was that the .bat script
+# cannot be executed by /bin/sh on MSYS (it can on Cygwin), but the
+# /bin/sh script cannot be executed by Cabal.  So we would have needed
+# both.  A single binary is therefore simpler.
+
+INPLACE_HS=ghc-pkg-inplace.hs
+INPLACE_PROG=ghc-pkg-inplace
+EXCLUDED_SRCS+=$(INPLACE_HS)
+
+$(INPLACE_HS): Makefile $(FPTOOLS_TOP)/mk/config.mk $(NOGLOB_O)
+       echo "import System.Cmd; import System.Environment; import System.Exit" > $@
+       echo "main = do args <- getArgs; rawSystem \"$(FPTOOLS_TOP_ABS)/$(GHC_PKG_DIR_REL)/$(HS_PROG)\" (\"--global-conf\":\"$(FPTOOLS_TOP_ABS)/driver/package.conf.inplace\":args) >>= exitWith" >> $@
+
+$(INPLACE_PROG): $(INPLACE_HS)
+       $(HC) --make $< -o $@ $(LD_OPTS) $(NOGLOB_O)
+
+all :: $(INPLACE_PROG)
+
+CLEAN_FILES += $(INPLACE_HS) $(INPLACE_PROG)
 
 ifneq "$(HOSTPLATFORM)" "i386-unknown-mingw32"
 LINK = ghc-pkg
 LINK_TARGET = $(LINK)-$(ProjectVersion)
-INSTALLED_SCRIPT=$(bindir)/$(LINK_TARGET)
+INSTALLED_SCRIPT=$(DESTDIR)$(bindir)/$(LINK_TARGET)
 install::
+       $(INSTALL_DIR) $(DESTDIR)$(bindir)
        $(RM) -f $(INSTALLED_SCRIPT)
        echo "#!$(SHELL)"                                           >> $(INSTALLED_SCRIPT)
        echo "GHCPKGBIN=$(libexecdir)/$(HS_PROG)"                   >> $(INSTALLED_SCRIPT)
@@ -90,4 +123,9 @@ boot :: depend
        $(MAKE) all
 endif
 
+binary-dist:
+       $(INSTALL_DIR)                $(BIN_DIST_DIR)/utils/ghc-pkg
+       $(INSTALL_DATA)    Makefile   $(BIN_DIST_DIR)/utils/ghc-pkg/
+       $(INSTALL_PROGRAM) $(HS_PROG) $(BIN_DIST_DIR)/utils/ghc-pkg/
+
 include $(TOP)/mk/target.mk