From aea784af873f089a40af71849d83f59008562a58 Mon Sep 17 00:00:00 2001
From: Ian Lynagh <igloo@earth.li>
Date: Wed, 9 Dec 2009 12:39:29 +0000
Subject: Eliminate mkdependC We now just call gcc to get the dependencies
 directly

---
 rules/build-dependencies.mk | 50 +++++++++++++++++++++++++++++++++++----------
 1 file changed, 39 insertions(+), 11 deletions(-)

(limited to 'rules/build-dependencies.mk')

diff --git a/rules/build-dependencies.mk b/rules/build-dependencies.mk
index dfb98d2c65..a2bae25963 100644
--- a/rules/build-dependencies.mk
+++ b/rules/build-dependencies.mk
@@ -10,35 +10,48 @@
 #
 # -----------------------------------------------------------------------------
 
-
 define build-dependencies # args: $1 = dir, $2 = distdir
 
+$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 $$($1_$2_depfile) $$(foreach way,$$(filter-out v,$$($1_$2_WAYS)),-dep-suffix $$(way))
+$1_$2_MKDEPENDHS_FLAGS = -include-pkg-deps -dep-makefile $$($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$$($1_$2_depfile) $$(foreach way,$$(filter-out v,$$($1_$2_WAYS)),-optdep-s -optdep$$(way))
+$1_$2_MKDEPENDHS_FLAGS = -optdep--include-pkg-deps -optdep-f -optdep$$($1_$2_depfile_haskell).tmp $$(foreach way,$$(filter-out v,$$($1_$2_WAYS)),-optdep-s -optdep$$(way))
 endif
 
 ifneq "$$($1_$2_NO_BUILD_DEPS)" "YES"
 
-$$($1_$2_depfile) : $$(MKDEPENDC) $$($1_$2_HS_SRCS) $$($1_$2_HS_BOOT_SRCS) $$($1_$2_HC_MK_DEPEND_DEP) $$($1_$2_C_FILES) $$($1_$2_S_FILES) | $$$$(dir $$$$@)/.
+$$($1_$2_depfile_haskell) : $$($1_$2_HS_SRCS) $$($1_$2_HS_BOOT_SRCS) $$($1_$2_HC_MK_DEPEND_DEP) | $$$$(dir $$$$@)/.
 	"$$(RM)" $$(RM_OPTS) $$@.tmp
 	touch $$@.tmp
-ifneq "$$($1_$2_C_SRCS)$$($1_$2_S_SRCS)" ""
-	"$$(MKDEPENDC)" -f $$($1_$2_depfile).tmp $$($1_MKDEPENDC_OPTS) $$(foreach way,$$($1_WAYS),-s $$(way)) -- $$($1_$2_v_ALL_CC_OPTS) -- $$($1_$2_C_FILES) $$($1_$2_S_FILES)
-	sed -e "s|$1/\([^ :]*o[ :]\)|$1/$2/build/\1|g" -e "s|$$(TOP)/||" -e "s|$2/build/$2/build|$2/build|g" <$$($1_$2_depfile).tmp >$$($1_$2_depfile)
-endif
 ifneq "$$($1_$2_HS_SRCS)" ""
 	"$$($1_$2_HC_MK_DEPEND)" -M $$($1_$2_MKDEPENDHS_FLAGS) \
 	    $$(filter-out -split-objs, $$($1_$2_v_ALL_HC_OPTS)) \
 	    $$($1_$2_HS_SRCS)
 endif
-	echo "$1_$2_depfile_EXISTS = YES" >> $$@
+	echo "$1_$2_depfile_haskell_EXISTS = YES" >> $$@.tmp
 ifneq "$$($1_$2_SLASH_MODS)" ""
 	for dir in $$(sort $$(foreach mod,$$($1_$2_SLASH_MODS),$1/$2/build/$$(dir $$(mod)))); do \
 		if test ! -d $$$$dir; then mkdir -p $$$$dir; fi \
 	done
 endif
+	mv $$@.tmp $$@
+
+$$($1_$2_depfile_c_asm) : $$($1_$2_C_FILES_DEPS) $$($1_$2_S_FILES) | $$$$(dir $$$$@)/.
+	"$$(RM)" $$(RM_OPTS) $$@.tmp
+	touch $$@.tmp
+ifneq "$$(strip $$($1_$2_C_FILES_DEPS)$$($1_$2_S_FILES))" ""
+	$$(foreach f,$$($1_$2_C_FILES_DEPS) $$($1_$2_S_FILES), \
+	  $$(foreach w,$$($1_$2_WAYS), \
+	    $$(call addCFileDeps,$1,$2,$$($1_$2_depfile_c_asm),$$f,$$w)))
+	"$$(RM)" $$(RM_OPTS) $$@.bit
+endif
+	echo "$1_$2_depfile_c_asm_EXISTS = YES" >> $$@.tmp
+	mv $$@.tmp $$@
 
 endif # $1_$2_NO_BUILD_DEPS
 
@@ -46,10 +59,11 @@ endif # $1_$2_NO_BUILD_DEPS
 # munge the dependencies it generates to refer to the correct targets.
 
 # Seems as good a place as any to attach the unlit dependency
-$$($1_$2_depfile) : $$(UNLIT)
+$$($1_$2_depfile_haskell) : $$(UNLIT)
 
 ifneq "$$(NO_INCLUDE_DEPS)" "YES"
-include $$($1_$2_depfile)
+include $$($1_$2_depfile_haskell)
+include $$($1_$2_depfile_c_asm)
 else
 ifeq "$$(DEBUG)" "YES"
 $$(warning not building dependencies in $1)
@@ -57,3 +71,17 @@ endif
 endif
 
 endef
+
+define addCFileDeps
+
+# $1 = dir
+# $2 = distdir
+# $3 = depfile
+# $4 = file
+# $5 = way
+# The formatting of this definition (e.g. the blank line above) is
+# important, in order to get make to generate the right makefile code.
+	$(CPP) $($1_$2_MKDEPENDC_OPTS) $($1_$2_$5_ALL_CC_OPTS) $($(basename $4)_CC_OPTS) -MM $4 -MF $3.bit
+	sed -e "1s|\.o|\.$($5_osuf)|" -e "1s|^|$(dir $4)|" -e "1s|$1/|$1/$2/build/|" -e "s|$(TOP)/||g" -e "s|$2/build/$2/build|$2/build|g" $3.bit >> $3.tmp
+endef
+
-- 
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