@echo 'Run "make install" to install'
@false
-.PHONY: install
-install:
- $(MAKE) -r --no-print-directory -f ghc.mk install BINDIST=YES NO_INCLUDE_DEPS=YES
-
-.PHONY: show
-show:
- $(MAKE) -r --no-print-directory -f ghc.mk $@
+.PHONY: install show
+install show:
+ $(MAKE) -r --no-print-directory -f ghc.mk $@ BINDIST=YES NO_INCLUDE_DEPS=YES
else
include mk/custom-settings.mk
# No need to update makefiles for these targets:
-REALGOALS=$(filter-out bootstrapping-files framework-pkg clean clean_% distclean maintainer-clean show help,$(MAKECMDGOALS))
-
-# On Solaris, the builtin test doesn't support -nt, you have to use
-# /usr/bin/test. On MSYS, however, /usr/bin/test does not exist. How
-# nice.
-TEST=$(if $(wildcard /usr/bin/test),/usr/bin/test,test)
+REALGOALS=$(filter-out binary-dist bootstrapping-files framework-pkg clean clean_% distclean maintainer-clean show help,$(MAKECMDGOALS))
# configure touches certain files even if they haven't changed. This
# can mean a lot of unnecessary recompilation after a re-configure, so
# here we cache the old versions of these files so we can restore the
# timestamps.
-#
-define check-configure-file
-# $1 = file
-if $(TEST) ! -f $1.old; then \
- echo "backing up $1"; \
- cp $1 $1.old; \
- touch -r $1 $1.old; \
-else \
- if $(TEST) $1 -nt $1.old; then \
- if cmp $1 $1.old; then \
- echo "$1 has been touched, but has not changed"; \
- touch -r $1.old $1; \
- else \
- echo "$1 has changed"; \
- cp $1 $1.old; \
- touch -r $1 $1.old; \
- fi \
- fi \
-fi
-endef
+%.old: %
+ @set -x && test -f $@ && cmp -s $< $@ || cp -p $< $@
+ touch -r $@ $<
+
# NB. not the same as saying '%: ...', which doesn't do the right thing:
# it does nothing if we specify a target that already exists.
.PHONY: $(REALGOALS)
-$(REALGOALS) all:
- @$(call check-configure-file,mk/config.mk)
- @$(call check-configure-file,mk/project.mk)
- @$(call check-configure-file,compiler/ghc.cabal)
-
+$(REALGOALS) all: mk/config.mk.old mk/project.mk.old compiler/ghc.cabal.old
@echo "===--- updating makefiles phase 0"
$(MAKE) -r --no-print-directory -f ghc.mk phase=0 just-makefiles
ifneq "$(OMIT_PHASE_1)" "YES"