X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rules%2Fbuild-dependencies.mk;h=f223288ea7c6f6a0a218323fe6c14e21e5b47270;hb=707ea5881703d680155aab268bdbf7edc113e3b1;hp=a1b55b649f69d5737f18f270f0ec250a7a8df7bf;hpb=7720e1503ee9b6ea2b949f95287a32b8d3361bb0;p=ghc-hetmet.git

diff --git a/rules/build-dependencies.mk b/rules/build-dependencies.mk
index a1b55b6..f223288 100644
--- a/rules/build-dependencies.mk
+++ b/rules/build-dependencies.mk
@@ -11,6 +11,7 @@
 # -----------------------------------------------------------------------------
 
 define build-dependencies
+$(call trace, build-dependencies($1,$2,$3))
 # $1 = dir
 # $2 = distdir
 # $3 = GHC stage to use (0 == bootstrapping compiler)
@@ -67,22 +68,17 @@ endif # $1_$2_NO_BUILD_DEPS
 $$($1_$2_depfile_haskell) : $$(UNLIT)
 
 ifneq "$$(NO_INCLUDE_DEPS)" "YES"
-# This next test stops us rebuilding all the dep files when doing e.g.
-# "make 1" in compiler or ghc. If stage is blank (just building normally.
-# so we want all deps), or if $3 is stage-1 (when building stage n, we
-# use stage n-1, so we want any dependencies used by the stage n-1
-# compiler), then we want to include the dependencies.
-ifneq "$$(or $$(if $$(stage),,YES),$$(findstring $3,$$(word $$(stage),0 1 2 3)))" ""
 ifneq "$$(strip $$($1_$2_HS_SRCS) $$($1_$2_HS_BOOT_SRCS))" ""
+ifneq "$$(NO_STAGE$3_DEPS)" "YES"
 include $$($1_$2_depfile_haskell)
 endif
+endif
 include $$($1_$2_depfile_c_asm)
 else
 ifeq "$$(DEBUG)" "YES"
 $$(warning not building dependencies in $1)
 endif
 endif
-endif
 
 endef
 
@@ -98,6 +94,12 @@ 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
@@ -131,7 +133,7 @@ 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"