#
# -----------------------------------------------------------------------------
-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
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
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
# $3 = depfile
# $4 = file
# $5 = ways
+#
# 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| /$$| \\|'
+# But now we need to fix the line continuation characters that we
+# just broke.
+# "1s|\.o|\.$($w_osuf)|"
+# We will have dependencies for .o files, so we need to fix them up
+# for the right object suffix for the way we're doing
+# "1s|^|$(dir $4)|"
+# We always get deps for just foo.o when the file we're making is
+# a/b/c/foo.o, so we need to prepend the directory of the source file
+# "1s|$1/|$1/$2/build/|"
+# Well, almost. We actually need to insert e.g. "dist/build" in the
+# middle of that directory
+# "1s|$2/build/$2/build|$2/build|g"
+# But some source files, e.g. sm/Evac_thr.c, are also inside the
+# "dist/build" directory, so now we've just made
+# "dist/build/dist/build", so we need to remove the duplication
+# again
+# "s|$(TOP)/||g$(CASE_INSENSITIVE_SED)"
+# Finally, when making deps for packages like ghc stage2, we have
+# some include paths for packages registered in the in-tree package
+# database. These include paths are full (i.e. not relative) paths,
+# which means that the "cpp -MM" output uses full paths in some cases.
+# This causes 2 problems:
+# * they don't match up with the rules to rebuild the files, where
+# appropriate.
+# * on Windows, make interprets the colon in c:/foo/bar.h as make
+# syntax.
+# So we sed off $(TOP). Unfortunately, on Windows, the case for the
+# drive letter is sometimes different in what $(TOP) starts with, and
+# what the path in the package database starts with. We therefore
+# need to do the substitution case-insensitively on Windows. But
+# the s///i modifier isn't portable, so we set CASE_INSENSITIVE_SED
+# to "i" on Windows and "" on any other platform.
define addCFileDeps
$(CPP) $($1_$2_MKDEPENDC_OPTS) $($1_$2_v_ALL_CC_OPTS) $($(basename $4)_CC_OPTS) -MM $4 -MF $3.bit
- $(foreach w,$5,sed -e "1s|\.o|\.$($w_osuf)|" -e "1s|^|$(dir $4)|" -e "1s|$1/|$1/$2/build/|" -e "s|$(TOP)/||g" -e "s|$2/build/$2/build|$2/build|g" $3.bit >> $3.tmp &&) true
+ $(foreach w,$5,sed -e 's|\\|/|g' -e 's| /$$| \\|' -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"
+CASE_INSENSITIVE_SED = i
+else
+CASE_INSENSITIVE_SED =
+endif
+