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-rw-r--r--rules/build-prog.mk139
1 files changed, 139 insertions, 0 deletions
diff --git a/rules/build-prog.mk b/rules/build-prog.mk
new file mode 100644
index 0000000000..46dd5af273
--- /dev/null
+++ b/rules/build-prog.mk
@@ -0,0 +1,139 @@
+
+# Build a program with the stage-1 compiler. Invoke like this:
+#
+# utils/genapply_MODULES = Main
+# utils/genapply_HC_OPTS = -package Cabal
+# utils/genapply_dist_PROG = genapply
+#
+# $(eval $(call build-prog,utils/genapply,dist-install))
+
+define build-prog
+# $1 = dir
+# $2 = distdir
+# $3 = GHC stage to use (0 == bootstrapping compiler)
+
+ifeq "$$($1_$2_PROG)" ""
+$$(error $1_$2_PROG is not set)
+endif
+
+ifeq "$$(findstring $3,0 1 2)" ""
+$$(error $1/$2: stage argument to build-prog should be 0, 1, or 2)
+endif
+
+$(call all-target,$1,all_$1_$2)
+
+$(call clean-target,$1,$2,$1/$2)
+
+$(call package-config,$1,$2,$3)
+
+ifeq "$$($1_USES_CABAL)" "YES"
+ifneq "$$(NO_INCLUDE_PKGDATA)" "YES"
+include $1/$2/package-data.mk
+endif
+endif
+
+ifeq "$$($1_USES_CABAL)$$($1_$2_VERSION)" "YES"
+$1_$2_DISABLE = YES
+endif
+
+ifeq "$$($1_$2_DISABLE)" "YES"
+
+ifeq "$$(DEBUG)" "YES"
+$$(warning $1/$2 disabled)
+endif
+
+# The following code to build the package all depends on settings
+# obtained from package-data.mk. If we don't have package-data.mk
+# yet, then don't try to do anything else with this package. Make will
+# try to build package-data.mk, then restart itself and we'll be in business.
+
+$(call all-target,$1_$2,$1/$2/package-data.mk)
+
+# We have a rule for package-data.mk only when the package is
+# disabled, because we want the build to fail if we haven't run phase 0.
+ifneq "$(BINDIST)" "YES"
+$(call build-package-data,$1,$2)
+endif
+
+else
+
+ifneq "$(BINDIST)" "YES"
+$(call hs-sources,$1,$2)
+$(call c-sources,$1,$2)
+
+# --- DEPENDENCIES
+
+$1_$2_depfile = $1/$2/build/.depend
+
+$(call build-dependencies,$1,$2)
+
+# --- IMPLICIT RULES
+
+$(call distdir-opts,$1,$2,$3)
+
+# Just the 'v' way for programs
+$(call distdir-way-opts,$1,$2,v)
+
+$(call c-suffix-rules,$1,$2,v,YES)
+
+$(call hs-suffix-rules,$1,$2,v)
+$$(foreach dir,$$($1_$2_HS_SRC_DIRS),\
+ $$(eval $$(call hs-suffix-rules-srcdir,$1,$2,v,$$(dir))))
+
+$(call c-objs,$1,$2)
+$(call hs-objs,$1,$2,v)
+
+$1/$2/build/tmp/$$($1_$2_PROG) : $$($1_$2_v_HS_OBJS) $$($1_$2_C_OBJS) $$($1_$2_S_OBJS) $$($1_$2_OTHER_OBJS)
+ $$(MKDIRHIER) $$(dir $$@)
+ $$($1_$2_HC) -o $$@ $$($1_$2_v_ALL_HC_OPTS) $$(LD_OPTS) $$($1_$2_v_HS_OBJS) $$($1_$2_C_OBJS) $$($1_$2_S_OBJS) $$($1_$2_OTHER_OBJS)
+
+# Note [lib-depends] if this program is built with stage1 or greater, we
+# need to depend on the libraries too. NB. since $(ALL_LIBS) and
+# $(ALL_RTS_LIBS) are not defined until after libraries/*/ghc.mk have
+# been included, this introduces an ordering dependency.
+ifneq "$3" "0"
+ifeq "$$(ALL_LIBS)" ""
+$$(error ordering failure in $1: $$(ALL_LIBS) is empty)
+endif
+$1/$2/build/tmp/$($1_$2_PROG) : $$(ALL_LIBS) $$(ALL_RTS_LIBS) $$(OTHER_LIBS)
+endif
+endif
+
+ifeq "$$($1_$2_INSTALL_INPLACE)" "NO"
+$(call all-target,$1_$2,$1/$2/build/tmp/$$($1_$2_PROG))
+else
+# Where do we install the inplace version?
+ifeq "$$($1_$2_SHELL_WRAPPER) $$(Windows)" "YES NO"
+$1_$2_INPLACE = $$(INPLACE_LIB)/$$($1_$2_PROG)
+else
+ifeq "$$($1_$2_LIBEXEC)" "YES"
+$1_$2_INPLACE = $$(INPLACE_LIB)/$$($1_$2_PROG)
+else
+$1_$2_INPLACE = $$(INPLACE_BIN)/$$($1_$2_PROG)
+endif
+endif
+
+$(call all-target,$1_$2,$$($1_$2_INPLACE))
+$(call clean-target,$1,$2_inplace,$$($1_$2_INPLACE))
+
+$$($1_$2_INPLACE) : $1/$2/build/tmp/$$($1_$2_PROG) $$(MKDIRHIER)
+ $$(MKDIRHIER) $$(dir $$@)
+ $$(CP) -p $$< $$@
+ touch $$@
+
+# touch is necessary; cp doesn't update the file time.
+endif
+
+$(call shell-wrapper,$1,$2)
+
+ifeq "$$($1_$2_INSTALL)" "YES"
+ifeq "$$($1_$2_LIBEXEC)" "YES"
+INSTALL_LIBEXECS += $1/$2/build/tmp/$$($1_$2_PROG)
+else
+INSTALL_BINS += $1/$2/build/tmp/$$($1_$2_PROG)
+endif
+endif
+
+endif # package-data.mk exists
+
+endef