Merge _stub.o files into the main .o file (Fixes #3687 and #706)

[ghc-hetmet.git] / rules / build-dependencies.mk

diff --git a/rules/build-dependencies.mk b/rules/build-dependencies.mk
index 962c040..e6d493c 100644 (file)
--- a/rules/build-dependencies.mk
+++ b/rules/build-dependencies.mk
@@ -10,20 +10,26 @@
 #
 # -----------------------------------------------------------------------------
 
-define build-dependencies # args: $1 = dir, $2 = distdir
+define build-dependencies
+$(call trace, build-dependencies($1,$2,$3))
+$(call profStart, build-dependencies($1,$2,$3))
+# $1 = dir
+# $2 = distdir
+# $3 = GHC stage to use (0 == bootstrapping compiler)
 
 $1_$2_depfile_haskell = $$($1_$2_depfile_base).haskell
 $1_$2_depfile_c_asm = $$($1_$2_depfile_base).c_asm
 
 $1_$2_C_FILES_DEPS = $$(filter-out $$($1_$2_C_FILES_NODEPS),$$($1_$2_C_FILES))
 
-ifeq "$$($1_$2_ghc_ge_609)" "YES"
-$1_$2_MKDEPENDHS_FLAGS = -include-pkg-deps -dep-makefile $$($1_$2_depfile_haskell).tmp $$(foreach way,$$(filter-out v,$$($1_$2_WAYS)),-dep-suffix $$(way))
-else
-$1_$2_MKDEPENDHS_FLAGS = -optdep--include-pkg-deps -optdep-f -optdep$$($1_$2_depfile_haskell).tmp $$(foreach way,$$(filter-out v,$$($1_$2_WAYS)),-optdep-s -optdep$$(way))
-endif
+$1_$2_MKDEPENDHS_FLAGS = -dep-makefile $$($1_$2_depfile_haskell).tmp $$(foreach way,$$(filter-out v,$$($1_$2_WAYS)),-dep-suffix $$(way))
+$1_$2_MKDEPENDHS_FLAGS += -include-pkg-deps
+
+ifneq "$$(NO_GENERATED_MAKEFILE_RULES)" "YES"
 
-ifneq "$$($1_$2_NO_BUILD_DEPS)" "YES"
+# Some of the Haskell files (e.g. utils/hsc2hs/Main.hs) (directly or
+# indirectly) include the generated includes files.
+$$($1_$2_depfile_haskell) : $$(includes_H_CONFIG) $$(includes_H_PLATFORM)
 
 $$($1_$2_depfile_haskell) : $$($1_$2_HS_SRCS) $$($1_$2_HS_BOOT_SRCS) $$($1_$2_HC_MK_DEPEND_DEP) | $$$$(dir $$$$@)/.
        "$$(RM)" $$(RM_OPTS) $$@.tmp
@@ -39,7 +45,14 @@ ifneq "$$($1_$2_SLASH_MODS)" ""
                if test ! -d $$$$dir; then mkdir -p $$$$dir; fi \
        done
 endif
-       mv $$@.tmp $$@
+#    Some packages are from the bootstrapping compiler, so are not
+#    within the build tree. On Windows this causes a problem as they look
+#    like bad rules, due to the two colons, so we filter them out.
+       grep -v ' : [a-zA-Z]:/' $$@.tmp > $$@
+
+# Some of the C files (directly or indirectly) include the generated
+# includes files.
+$$($1_$2_depfile_c_asm) : $$(includes_H_CONFIG) $$(includes_H_PLATFORM)
 
 $$($1_$2_depfile_c_asm) : $$($1_$2_C_FILES_DEPS) $$($1_$2_S_FILES) | $$$$(dir $$$$@)/.
        "$$(RM)" $$(RM_OPTS) $$@.tmp
@@ -56,23 +69,12 @@ endif
        echo "$1_$2_depfile_c_asm_EXISTS = YES" >> $$@.tmp
        mv $$@.tmp $$@
 
-endif # $1_$2_NO_BUILD_DEPS
+endif # NO_GENERATED_MAKEFILE_RULES
 
 # Note sed magic above: mkdependC can't do -odir stuff, so we have to
 # munge the dependencies it generates to refer to the correct targets.
 
-# Seems as good a place as any to attach the unlit dependency
-$$($1_$2_depfile_haskell) : $$(UNLIT)
-
-ifneq "$$(NO_INCLUDE_DEPS)" "YES"
-include $$($1_$2_depfile_haskell)
-include $$($1_$2_depfile_c_asm)
-else
-ifeq "$$(DEBUG)" "YES"
-$$(warning not building dependencies in $1)
-endif
-endif
-
+$(call profEnd, build-dependencies($1,$2,$3))
 endef
 
 # This comment is outside the "define addCFileDeps" as that definition
@@ -87,6 +89,12 @@ endef
 # The formatting of this definition (e.g. the blank line above) is
 # important, in order to get make to generate the right makefile code.
 #
+# 's|\\|/|g'
+#    We first normalise all slashes to be forward slashes. Note that
+#    $(TOP) also uses forward slashes.
+# 's| /$$| \\|'
+#    But now we need to fix the line continuation characters that we
+#    just broke.
 # "1s|\.o|\.$($w_osuf)|"
 #    We will have dependencies for .o files, so we need to fix them up
 #    for the right object suffix for the way we're doing
@@ -120,7 +128,7 @@ endef
 define addCFileDeps
 
        $(CPP) $($1_$2_MKDEPENDC_OPTS) $($1_$2_v_ALL_CC_OPTS) $($(basename $4)_CC_OPTS) -MM $4 -MF $3.bit
-       $(foreach w,$5,sed -e "1s|\.o|\.$($w_osuf)|" -e "1s|^|$(dir $4)|" -e "1s|$1/|$1/$2/build/|" -e "1s|$2/build/$2/build|$2/build|g" -e "s|$(TOP)/||g$(CASE_INSENSITIVE_SED)" $3.bit >> $3.tmp &&) true
+       $(foreach w,$5,sed -e 's|\\|/|g' -e 's| /$$| \\|' -e "1s|\.o|\.$($w_osuf)|" -e "1s|^|$(dir $4)|" -e "1s|$1/|$1/$2/build/|" -e "1s|$2/build/$2/build|$2/build|g" -e "s|$(TOP)/||g$(CASE_INSENSITIVE_SED)" $3.bit >> $3.tmp &&) true
 endef
 
 ifeq "$(Windows)" "YES"