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Move backup related stuff to its own Makefile.

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This will prevent Makefile errors from affecting backups. This happens when
different branches include Makefile helpers other branches don't have. This
should be more reliable.
This commit is contained in:
Jack Moffitt 2013-11-20 09:44:11 -07:00
parent eabee53076
commit 9fc122380a
2 changed files with 20 additions and 11 deletions
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17
Makefile.backup Normal file
View file

@ -0,0 +1,17 @@
# Build commands for backing up and restoring the Rust build.
# Because Rust takes a very long time to build and changes infrequently,
# the bots want to reuse it between builds. They can do so by running
# `make backup-rust` and `make restore-rust`.
#
# backup-rust is run before the build directory is cleaned. if it fails, that's ok.
#
# restore-rust is run after configure and before invoking make. if it fails, we must abort.
include config.mk
.PHONY: backup-rust restore-rust
backup-rust:
-mv $(CFG_BUILD_DIR)src/compiler/rust ../$(CFG_TARGET_TRIPLES)
restore-rust:
if [ -d ../$(CFG_TARGET_TRIPLES) ]; then rm -rf $(CFG_BUILD_DIR)src/compiler/rust; mv ../$(CFG_TARGET_TRIPLES) $(CFG_BUILD_DIR)src/compiler/rust; fi

14
Makefile.in
View file

@ -363,21 +363,13 @@ package:
endif
# Build commands for backing up and restoring the Rust build.
# Because Rust takes a very long time to build and changes infrequently,
# the bots want to reuse it between builds. They can do so by running
# `make backup-rust` and `make restore-rust`.
#
# backup-rust is run before the build directory is cleaned. if it fails, that's ok.
#
# restore-rust is run after configure and before invoking make. if it fails, we must abort.
# Backup targets. These axist until build slaves are using Makefile.backup directly.
.PHONY: backup-rust restore-rust
backup-rust:
-mv $(B)src/compiler/rust ../$(CFG_TARGET_TRIPLES)
$(MAKE) -f $(S)Makefile.backup $@
restore-rust:
if [ -d ../$(CFG_TARGET_TRIPLES) ]; then rm -rf $(B)src/compiler/rust; mv ../$(CFG_TARGET_TRIPLES) $(B)src/compiler/rust; fi
$(MAKE) -f $(S)Makefile.backup $@
.NOTPARALLEL: