mk: If local-rust is the same as the current version, then force a local-rebuild

This commit is contained in:
Ximin Luo 2016-07-14 19:32:53 +02:00
parent 65fb7be728
commit c850470f73
4 changed files with 21 additions and 2 deletions

2
configure vendored
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@ -600,7 +600,7 @@ opt debug-assertions 0 "build with debugging assertions"
opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds"
opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
opt local-rebuild 0 "use an installed rustc matching the current version, for rebuilds"
opt local-rebuild 0 "assume local-rust matches the current version, for rebuilds; implies local-rust, and is implied if local-rust already matches the current version"
opt llvm-static-stdcpp 0 "statically link to libstdc++ for LLVM"
opt rpath 1 "build rpaths into rustc itself"
opt stage0-landing-pads 1 "enable landing pads during bootstrap with stage0"

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@ -64,12 +64,21 @@ CFG_FILENAME_EXTRA=$(shell printf '%s' $(CFG_RELEASE)$(CFG_EXTRA_FILENAME) | $(C
# from users enabling unstable features on the stable compiler.
CFG_BOOTSTRAP_KEY=$(CFG_FILENAME_EXTRA)
# If local-rust is the same as the current version, then force a local-rebuild
ifdef CFG_ENABLE_LOCAL_RUST
ifeq ($(CFG_RELEASE),\
$(shell $(S)src/etc/local_stage0.sh --print-rustc-release $(CFG_LOCAL_RUST_ROOT)))
CFG_INFO := $(info cfg: auto-detected local-rebuild $(CFG_RELEASE))
CFG_ENABLE_LOCAL_REBUILD = 1
endif
endif
# The stage0 compiler needs to use the previous key recorded in src/stage0.txt,
# except for local-rebuild when it just uses the same current key.
ifdef CFG_ENABLE_LOCAL_REBUILD
CFG_BOOTSTRAP_KEY_STAGE0=$(CFG_BOOTSTRAP_KEY)
else
CFG_BOOTSTRAP_KEY_STAGE0=$(shell grep 'rustc_key' $(S)src/stage0.txt | sed 's/rustc_key: '//)
CFG_BOOTSTRAP_KEY_STAGE0=$(shell sed -ne 's/^rustc_key: //p' $(S)src/stage0.txt)
endif
# The name of the package to use for creating tarballs, installers etc.

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@ -11,6 +11,7 @@ endif
$(SNAPSHOT_RUSTC_POST_CLEANUP): \
$(S)src/stage0.txt \
$(S)src/etc/local_stage0.sh \
$(S)src/etc/get-stage0.py $(MKFILE_DEPS) \
| $(HBIN0_H_$(CFG_BUILD))/
@$(call E, fetch: $@)

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@ -49,6 +49,13 @@ if [ -z $TARG_DIR ]; then
exit 1
fi
case "$TARG_DIR" in
--print-rustc-release)
# not actually copying to TARG_DIR, just print the local rustc version and exit
${PREFIX}/bin/rustc${BIN_SUF} --version --verbose | sed -ne 's/^release: //p'
;;
*)
cp ${PREFIX}/bin/rustc${BIN_SUF} ${TARG_DIR}/stage0/bin/
cp ${PREFIX}/${LIB_DIR}/${RUSTLIBDIR}/${TARG_DIR}/${LIB_DIR}/* ${TARG_DIR}/stage0/${LIB_DIR}/
cp ${PREFIX}/${LIB_DIR}/${LIB_PREFIX}extra*${LIB_SUF} ${TARG_DIR}/stage0/${LIB_DIR}/
@ -66,3 +73,5 @@ cp ${PREFIX}/${LIB_DIR}/${LIB_PREFIX}term*${LIB_SUF} ${TARG_DIR}/stage0/${LIB_DI
# do not fail if one of the above fails, as all we need is a working rustc!
exit 0
esac