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[ghc.git] / rules / build-package.mk
index f40d0fc..fb04f02 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
 #
 # -----------------------------------------------------------------------------
 
@@ -29,6 +29,8 @@
 # libraries/base_dist_LD_OPTS = -package ghc-prim-0.1.0.0
 
 define build-package
+$(call trace, build-package($1,$2,$3))
+$(call profStart, build-package($1,$2,$3))
 # $1 = dir
 # $2 = distdir
 # $3 = GHC stage to use (0 == bootstrapping compiler)
@@ -37,101 +39,99 @@ ifeq "$$(findstring $3,0 1 2)" ""
 $$(error $1/$2: stage argument to build-package should be 0, 1, or 2)
 endif
 
-# We don't install things compiled by stage 0, so no need to put them
-# in the bindist.
-ifneq "$$(BINDIST) $3" "YES 0"
-
-$(call all-target,$1,all_$1_$2)
 $(call clean-target,$1,$2,$1/$2)
-# This give us things like
-#     all_libraries: all_libraries/base_dist-install
-ifneq "$$($1_$2_GROUP)" ""
-all_$$($1_$2_GROUP): all_$1_$2
-endif
-
-ifneq "$$(CHECKED_$1)" "YES"
-CHECKED_$1 = YES
-check_packages: check_$1
-.PHONY: check_$1
-check_$1: $$(GHC_CABAL_INPLACE)
-       $$(GHC_CABAL_INPLACE) check $1
-endif
 
 distclean : clean_$1_$2_config
 
-maintainer-clean : distclean
-
 .PHONY: clean_$1_$2_config
 clean_$1_$2_config:
-       "$$(RM)" $$(RM_OPTS) $1/config.log $1/config.status $1/include/Hs*Config.h
-       "$$(RM)" $$(RM_OPTS) -r $1/autom4te.cache
+       $$(call removeFiles,$1/config.log $1/config.status $(wildcard $1/include/Hs*Config.h))
+       $$(call removeTrees,$1/autom4te.cache)
 
-# --- CONFIGURATION
-
-$(call package-config,$1,$2,$3)
-
-ifneq "$$(NO_INCLUDE_PKGDATA)" "YES"
-include $1/$2/package-data.mk
+ifneq "$$($1_$2_NOT_NEEDED)" "YES"
+$$(eval $$(call build-package-helper,$1,$2,$3))
 endif
+$(call profEnd, build-package($1,$2,$3))
+endef
 
-ifeq "$$($1_$2_DISABLE)" "YES"
 
-ifeq "$$(DEBUG)" "YES"
-$$(warning $1/$2 disabled)
-endif
+define build-package-helper
+# $1 = dir
+# $2 = distdir
+# $3 = GHC stage to use (0 == bootstrapping compiler)
 
-# A package is disabled when we want to bring its package-data.mk file
-# up-to-date first, or due to other build dependencies.
+# --- CONFIGURATION
 
-$(call all-target,$1_$2,$1/$2/package-data.mk)
+$(call package-config,$1,$2,$3)
 
-ifneq "$$(BINDIST)" "YES"
-# We have a rule for package-data.mk only when the package is
-# disabled, because we want the build to fail if we haven't run phase 0.
-$(call build-package-data,$1,$2,$3)
+ifeq "$3" "1"
+$$($1_PACKAGE)_INSTALL_INFO = $1_$2
 endif
 
+# Bootstrapping libs are only built one way
+ifeq "$3" "0"
+$1_$2_WAYS = v
 else
+$1_$2_WAYS = $$(filter-out $$($1_$2_EXCLUDED_WAYS),$$(GhcLibWays))
+endif
 
-ifneq "$$(NO_INCLUDE_PKGDATA)" "YES"
-ifeq "$$($1_$2_VERSION)" ""
-$$(error phase ordering error: $1/$2 is enabled, but $1/$2/package-data.mk does not exist)
+$1_$2_DYNAMIC_TOO = NO
+ifneq "$$(DYNAMIC_TOO)" "NO"
+ifneq "$$(filter v,$$($1_$2_WAYS))" ""
+ifneq "$$(filter dyn,$$($1_$2_WAYS))" ""
+$1_$2_DYNAMIC_TOO = YES
+endif
 endif
 endif
 
-# Sometimes we need to modify the automatically-generated package-data.mk
-# bindings in a special way for the GHC build system, so allow that here:
-$($1_PACKAGE_MAGIC)
+# We must use a different dependency file if $(GhcLibWays) changes, so
+# encode the ways into the name of the file.
+$1_$2_WAYS_DASHED = $$(subst $$(space),,$$(patsubst %,-%,$$(strip $$($1_$2_WAYS))))
+$1_$2_depfile_base = $1/$2/build/.depend$$($1_$2_WAYS_DASHED)
 
-# Bootstrapping libs are only built one way
+$(call build-package-data,$1,$2,$3)
+ifneq "$$(NO_INCLUDE_PKGDATA)" "YES"
 ifeq "$3" "0"
-$1_$2_WAYS = v
-else
-$1_$2_WAYS = $$(GhcLibWays)
+include $1/$2/package-data.mk
+else ifeq "$(phase)" "final"
+include $1/$2/package-data.mk
+endif
+# Each Haskell compilation in this package will depend on the
+# package-data.mk file because e.g. if the version of the package
+# changes we need to recompile everything in it.
+$1_$2_PKGDATA_DEP = $1/$2/package-data.mk
 endif
 
 $(call hs-sources,$1,$2)
 $(call c-sources,$1,$2)
 $(call includes-sources,$1,$2)
+$(call distdir-opts,$1,$2,$3)
 
-# --- DEPENDENCIES
-
-# We must use a different dependency file if $(GhcLibWays) changes, so
-# encode the ways into the name of the file.
-$1_$2_WAYS_DASHED = $$(subst $$(space),,$$(patsubst %,-%,$$(strip $$($1_$2_WAYS))))
-$1_$2_depfile_base = $1/$2/build/.depend$$($1_$2_WAYS_DASHED)
+$(call dependencies,$1,$2,$3)
 
-$(call build-dependencies,$1,$2)
-
-# --- BUILDING
+# Now generate all the build rules for each way in this directory:
+$$(foreach way,$$($1_$2_WAYS),$$(eval \
+    $$(call c-objs,$1,$2,$$(way)) \
+    $$(call c-suffix-rules,$1,$2,$$(way),YES) \
+    $$(call cmm-objs,$1,$2,$$(way)) \
+    $$(call cmm-suffix-rules,$1,$2,$$(way)) \
+    $$(call build-package-way,$1,$2,$$(way),$3) \
+  ))
 
-# We don't bother splitting the bootstrap packages (built with stage 0)
-ifeq "$$($1_$2_SplitObjs)" ""
-ifeq "$$(SplitObjs) $3" "YES 1"
-$1_$2_SplitObjs = YES
-else
-$1_$2_SplitObjs = NO
+# Programs will need to depend on either the vanilla lib (if -static
+# is the default) or the dyn lib (if -dynamic is the default). We
+# conservatively make them depend on both, to keep things simple.
+# If dyn libs are not being built then $$($1_$2_dyn_LIB) will just
+# expand to the empty string, and be ignored.
+$1_$2_PROGRAM_DEP_LIB = $$($1_$2_v_LIB) $$($1_$2_dyn_LIB)
+$$($1_$2_COMPONENT_ID)_$2_PROGRAM_DEP_LIB = $$($1_$2_PROGRAM_DEP_LIB)
+
+# See Note [inconsistent distdirs] in rules/build-package-way.mk.
+ifeq "$$($1_PACKAGE) $2" "ghc stage1"
+$$($1_$2_COMPONENT_ID)_dist-boot_PROGRAM_DEP_LIB = $$($1_$2_PROGRAM_DEP_LIB)
 endif
+ifeq "$$($1_PACKAGE) $2" "ghc stage2"
+$$($1_$2_COMPONENT_ID)_dist-install_PROGRAM_DEP_LIB = $$($1_$2_PROGRAM_DEP_LIB)
 endif
 
 # C and S files are possibly built the "dyn" way.
@@ -139,19 +139,19 @@ ifeq "$$(BuildSharedLibs)" "YES"
 $(call c-objs,$1,$2,dyn)
 $(call c-suffix-rules,$1,$2,dyn,YES)
 endif
+$$(foreach dir,$$($1_$2_HS_SRC_DIRS),\
+  $$(eval $$(call hs-suffix-rules-srcdir,$1,$2,$$(dir))))
 
-# Now generate all the build rules for each way in this directory:
-$$(foreach way,$$($1_$2_WAYS),$$(eval \
-    $$(call c-objs,$1,$2,$$(way)) \
-       $$(call c-suffix-rules,$1,$2,$$(way),YES) \
-    $$(call cmm-objs,$1,$2,$$(way)) \
-    $$(call cmm-suffix-rules,$1,$2,$$(way)) \
-    $$(call build-package-way,$1,$2,$$(way),$3) \
-  ))
+$(call all-target,$1,all_$1_$2)
+# This give us things like
+#     all_libraries: all_libraries/base_dist-install
+ifneq "$$($1_$2_GROUP)" ""
+all_$$($1_$2_GROUP): all_$1_$2
+endif
 
+ifneq "$3" "0"
 $(call haddock,$1,$2)
-
-endif # package-data.mk exists
+endif
 
 # Don't put bootstrapping packages in the bindist
 ifneq "$3" "0"
@@ -159,7 +159,5 @@ BINDIST_EXTRAS += $1/*.cabal $$(wildcard $1/*.buildinfo) $1/$2/setup-config $1/L
 BINDIST_EXTRAS += $$($1_$2_INSTALL_INCLUDES_SRCS)
 endif
 
-endif
-
 endef