Enable building Cabal with parsec
[ghc.git] / rules / build-package-way.mk
index 894f44e..3b4d1c9 100644 (file)
@@ -5,8 +5,8 @@
 # This file is part of the GHC build system.
 #
 # To understand how the build system works and how to modify it, see
-#      http://hackage.haskell.org/trac/ghc/wiki/Building/Architecture
-#      http://hackage.haskell.org/trac/ghc/wiki/Building/Modifying
+#      http://ghc.haskell.org/trac/ghc/wiki/Building/Architecture
+#      http://ghc.haskell.org/trac/ghc/wiki/Building/Modifying
 #
 # -----------------------------------------------------------------------------
 
@@ -23,42 +23,59 @@ $(call hs-objs,$1,$2,$3)
 # The .a/.so library file, indexed by two different sets of vars:
 # the first is indexed by the dir, distdir and way
 # the second is indexed by the package id, distdir and way
-$1_$2_$3_LIB_NAME = libHS$$($1_PACKAGE)-$$($1_$2_VERSION)$$($3_libsuf)
-$1_$2_$3_LIB = $1/$2/build/$$($1_$2_$3_LIB_NAME)
-$$($1_PACKAGE)-$$($1_$2_VERSION)_$2_$3_LIB = $$($1_$2_$3_LIB)
+$1_$2_$3_LIB_FILE = libHS$$($1_$2_COMPONENT_ID)$$($3_libsuf)
+$1_$2_$3_LIB = $1/$2/build/$$($1_$2_$3_LIB_FILE)
+$$($1_$2_COMPONENT_ID)_$2_$3_LIB = $$($1_$2_$3_LIB)
 
-ifeq "$$(HostOS_CPP)" "mingw32"
+ifeq "$$(TargetOS_CPP)" "mingw32"
 ifneq "$$($1_$2_dll0_HS_OBJS)" ""
-$1_$2_$3_LIB0_ROOT = HS$$($1_PACKAGE)-$$($1_$2_VERSION)-0$$($3_libsuf)
+$1_$2_$3_LIB0_ROOT = HS$$($1_$2_COMPONENT_ID)-0$$($3_libsuf)
 $1_$2_$3_LIB0_NAME = lib$$($1_$2_$3_LIB0_ROOT)
 $1_$2_$3_LIB0 = $1/$2/build/$$($1_$2_$3_LIB0_NAME)
 endif
 endif
 
 # Note [inconsistent distdirs]
+#
 # hack: the DEPS_LIBS mechanism assumes that the distdirs for packages
 # that depend on each other are the same, but that is not the case for
 # ghc where we use stage1/stage2 rather than dist/dist-install.
 # Really we should use a consistent scheme for distdirs, but in the
 # meantime we work around it by defining ghc-<ver>_dist-install_way_LIB:
+#
+# A similar hack is applied to the PROGRAM_DEP_LIB mechanism in
+# rules/build-package.mk.
 ifeq "$$($1_PACKAGE) $2" "ghc stage2"
-$$($1_PACKAGE)-$$($1_$2_VERSION)_dist-install_$3_LIB = $$($1_$2_$3_LIB)
+$$($1_$2_COMPONENT_ID)_dist-install_$3_LIB = $$($1_$2_$3_LIB)
 endif
 
 # All the .a/.so library file dependencies for this library.
 #
 # The $(subst stage2,dist-install,..) is needed due to Note
 # [inconsistent distdirs].
-$1_$2_$3_DEPS_LIBS=$$(foreach dep,$$($1_$2_DEPS),$$($$(dep)_$(subst stage2,dist-install,$2)_$3_LIB))
+#
+# NB: Use DEP_COMPONENT_IDS for the /directory/ parameter.
+$1_$2_$3_DEPS_LIBS=$$(foreach dep,$$($1_$2_DEP_COMPONENT_IDS),$$($$(dep)_$(subst stage2,dist-install,$2)_$3_LIB))
 
 $1_$2_$3_NON_HS_OBJS = $$($1_$2_$3_CMM_OBJS) $$($1_$2_$3_C_OBJS)  $$($1_$2_$3_S_OBJS) $$($1_$2_EXTRA_OBJS)
 $1_$2_$3_ALL_OBJS = $$($1_$2_$3_HS_OBJS) $$($1_$2_$3_NON_HS_OBJS)
 
 ifeq "$3" "dyn"
 
+ifneq "$$($1_$2_dll0_MODULES)" ""
+$$($1_$2_$3_LIB)  : $1/$2/dll-split.stamp
+ifneq "$$($1_$2_$3_LIB0)" ""
+$$($1_$2_$3_LIB0) : $1/$2/dll-split.stamp
+endif
+endif
+
+$1/$2/dll-split.stamp: $$($1_$2_depfile_haskell) $$$$(dll-split_INPLACE)
+       $$(dll-split_INPLACE) $$< "$$($1_$2_dll0_START_MODULE)" "$$($1_$2_dll0_MODULES)"
+       touch $$@
+
 # Link a dynamic library
 # On windows we have to supply the extra libs this one links to when building it.
-ifeq "$$(HostOS_CPP)" "mingw32"
+ifeq "$$(TargetOS_CPP)" "mingw32"
 $$($1_$2_$3_LIB) : $$($1_$2_$3_ALL_OBJS) $$(ALL_RTS_LIBS) $$($1_$2_$3_DEPS_LIBS)
 ifneq "$$($1_$2_$3_LIB0)" ""
        $$(call build-dll,$1,$2,$3,-L$1/$2/build -l$$($1_$2_$3_LIB0_ROOT),$$(filter-out $$($1_$2_dll0_HS_OBJS),$$($1_$2_$3_HS_OBJS)) $$($1_$2_$3_NON_HS_OBJS),$$@)
@@ -72,16 +89,17 @@ $$($1_$2_$3_LIB0) : $$($1_$2_$3_ALL_OBJS) $$(ALL_RTS_LIBS) $$($1_$2_$3_DEPS_LIBS
        $$(call build-dll,$1,$2,$3,,$$($1_$2_dll0_HS_OBJS) $$($1_$2_$3_NON_HS_OBJS),$$($1_$2_$3_LIB0))
 endif
 
-else
-
+else # ifneq "$$(TargetOS_CPP)" "mingw32"
 $$($1_$2_$3_LIB) : $$($1_$2_$3_ALL_OBJS) $$(ALL_RTS_LIBS) $$($1_$2_$3_DEPS_LIBS)
        $$(call cmd,$1_$2_HC) $$($1_$2_$3_ALL_HC_OPTS) $$($1_$2_$3_GHC_LD_OPTS) $$($1_$2_$3_ALL_OBJS) \
          -shared -dynamic -dynload deploy \
         $$(addprefix -l,$$($1_$2_EXTRA_LIBRARIES)) $$(addprefix -L,$$($1_$2_EXTRA_LIBDIRS)) \
          -no-auto-link-packages \
          -o $$@
-endif
-else
+endif # "$$(TargetOS_CPP)" "mingw32"
+
+else # ifneq "$3" "dyn"
+
 # Build the ordinary .a library
 $$($1_$2_$3_LIB) : $$($1_$2_$3_ALL_OBJS)
        $$(call removeFiles,$$@ $$@.contents)
@@ -98,7 +116,7 @@ else
 endif
        $$(call removeFiles,$$@.contents)
 
-ifeq "$$(HostOS_CPP)" "mingw32"
+ifeq "$$(TargetOS_CPP)" "mingw32"
 ifneq "$$($1_$2_$3_LIB0)" ""
 $$($1_$2_$3_LIB) : $$($1_$2_$3_LIB0)
 $$($1_$2_$3_LIB0) :
@@ -106,7 +124,7 @@ $$($1_$2_$3_LIB0) :
 endif
 endif
 
-endif
+endif # "$3" "dyn"
 
 $(call all-target,$1_$2,all_$1_$2_$3)
 $(call all-target,$1_$2_$3,$$($1_$2_$3_LIB))
@@ -118,32 +136,40 @@ BINDIST_LIBS += $$($1_$2_$3_LIB)
 BINDIST_LIBS += $$($1_$2_$3_LIB0)
 endif
 
-# Build the GHCi library
-ifeq "$$(DYNAMIC_GHC_PROGRAMS)" "YES"
-$1_$2_GHCI_LIB = $$($1_$2_dyn_LIB)
+ifeq "$$($1_$2_SplitSections)" "YES"
+ifeq "$(LdIsGNULd)" "YES"
+ifeq "$$(HostOS_CPP)" "mingw32"
+$1_$2_LD_SCRIPT_CMD =
+$1_$2_LD_SCRIPT = driver/utils/merge_sections_pe.ld
 else
+$1_$2_LD_SCRIPT_CMD = -T
+$1_$2_LD_SCRIPT = driver/utils/merge_sections.ld
+endif
+endif
+endif
+
+# Build the GHCi library
 ifeq "$3" "v"
-$1_$2_GHCI_LIB = $1/$2/build/HS$$($1_PACKAGE)-$$($1_$2_VERSION).$$($3_osuf)
+$1_$2_GHCI_LIB = $1/$2/build/HS$$($1_$2_COMPONENT_ID).$$($3_osuf)
 ifeq "$$($1_$2_BUILD_GHCI_LIB)" "YES"
 # Don't put bootstrapping packages in the bindist
 ifneq "$4" "0"
 BINDIST_LIBS += $$($1_$2_GHCI_LIB)
 endif
 endif
-$$($1_$2_GHCI_LIB) : $$($1_$2_$3_HS_OBJS) $$($1_$2_$3_CMM_OBJS) $$($1_$2_$3_C_OBJS) $$($1_$2_$3_S_OBJS) $$($1_$2_EXTRA_OBJS)
-       $$(call cmd,LD) $$(CONF_LD_LINKER_OPTS_STAGE$4) -r -o $$@ $$(EXTRA_LD_OPTS) $$($1_$2_$3_HS_OBJS) $$($1_$2_$3_CMM_OBJS) $$($1_$2_$3_C_OBJS) $$($1_$2_$3_S_OBJS) $$($1_$2_EXTRA_OBJS)
+$$($1_$2_GHCI_LIB) : $$($1_$2_$3_HS_OBJS) $$($1_$2_$3_CMM_OBJS) $$($1_$2_$3_C_OBJS) $$($1_$2_$3_S_OBJS) $$($1_$2_EXTRA_OBJS) $$($1_$2_LD_SCRIPT)
+       $$(call cmd,LD) $$(CONF_LD_LINKER_OPTS_STAGE$4) -r $$(if $$($1_$2_LD_SCRIPT),$$($1_$2_LD_SCRIPT_CMD) $$($1_$2_LD_SCRIPT)) -o $$@ $$(EXTRA_LD_LINKER_OPTS) $$($1_$2_$3_HS_OBJS) $$($1_$2_$3_CMM_OBJS) $$($1_$2_$3_C_OBJS) $$($1_$2_$3_S_OBJS) $$($1_$2_EXTRA_OBJS)
 
 ifeq "$$($1_$2_BUILD_GHCI_LIB)" "YES"
 # Don't bother making ghci libs for bootstrapping packages
 ifneq "$4" "0"
 $(call all-target,$1_$2,$$($1_$2_GHCI_LIB))
 endif
-endif
-endif
-endif
+endif # "$$($1_$2_BUILD_GHCI_LIB)" "YES"
+endif # "$3" "v"
 
 $(call profEnd, build-package-way($1,$2,$3))
-endef
+endef # build-package-way
 
 # $1 = dir
 # $2 = distdir
@@ -158,7 +184,7 @@ define build-dll
            -no-auto-link-packages \
            -o $6
 # Now check that the DLL doesn't have too many symbols. See trac #5987.
-       echo -n "Number of symbols in $6: "; $(OBJDUMP) -p $6 | sed -n "1,/^.Ordinal\/Name Pointer/ D; p; /^$$/ q" | tail -n +2 | wc -l
+       SYMBOLS=`$(OBJDUMP) -p $6 | sed -n "1,/^.Ordinal\/Name Pointer/ D; p; /^$$/ q" | tail -n +2 | wc -l`; echo "Number of symbols in $6: $$SYMBOLS"
        case `$(OBJDUMP) -p $6 | sed -n "1,/^.Ordinal\/Name Pointer/ D; p; /^$$/ q" | grep "\[ *0\]" | wc -l` in 1) echo DLL $6 OK;; 0) echo No symbols in DLL $6; exit 1;; [0-9]*) echo Too many symbols in DLL $6; $(OBJDUMP) -p $6 | sed -n "1,/^.Ordinal\/Name Pointer/ D; p; /^$$/ q" | tail; exit 1;; *) echo bad DLL $6; exit 1;; esac
 endef