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| author | Carl Dong <contact@carldong.me> | 2020-12-11 10:23:12 -0500 |
|---|---|---|
| committer | Carl Dong <contact@carldong.me> | 2021-02-03 12:10:10 -0500 |
| commit | 4c7d41858821e4fecf7cb0cec3fcad002365e6c9 (patch) | |
| tree | f3019398198e69a8f54842976b9716cd29f967e4 /depends/Makefile | |
| parent | b3bdff42b5a7b4b956da700b187a7254daac54ae (diff) | |
| download | bitcoin-4c7d41858821e4fecf7cb0cec3fcad002365e6c9.tar.xz | |
depends: Improve id string robustness
Environment variables and search paths can drastically effect the
operation of build tools.
Include these in our id string to mitigate against false cache hits.
Diffstat (limited to 'depends/Makefile')
| -rw-r--r-- | depends/Makefile | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/depends/Makefile b/depends/Makefile index aa90ea81d9..f7b73da610 100644 --- a/depends/Makefile +++ b/depends/Makefile @@ -112,19 +112,27 @@ include builders/$(build_os).mk include builders/default.mk include packages/packages.mk +full_env=$(shell printenv) + build_id_string:=$(BUILD_ID_SALT) -build_id_string+=$(shell $(build_CC) --version 2>/dev/null) -build_id_string+=$(shell $(build_AR) --version 2>/dev/null) -build_id_string+=$(shell $(build_CXX) --version 2>/dev/null) -build_id_string+=$(shell $(build_RANLIB) --version 2>/dev/null) -build_id_string+=$(shell $(build_STRIP) --version 2>/dev/null) + +# GCC only prints COLLECT_LTO_WRAPPER when invoked with just "-v", but we want +# the information from "-v -E -" as well, so just include both. +# +# '3>&1 1>&2 2>&3 > /dev/null' is supposed to swap stdin and stdout and silence +# stdin, since we only want the stderr output +build_id_string+=$(shell $(build_CC) -v < /dev/null 3>&1 1>&2 2>&3 > /dev/null) $(shell $(build_CC) -v -E - < /dev/null 3>&1 1>&2 2>&3 > /dev/null) +build_id_string+=$(shell $(build_AR) --version 2>/dev/null) $(filter AR_%,$(full_env)) ZERO_AR_DATE=$(ZERO_AR_DATE) +build_id_string+=$(shell $(build_CXX) -v < /dev/null 3>&1 1>&2 2>&3 > /dev/null) $(shell $(build_CXX) -v -E - < /dev/null 3>&1 1>&2 2>&3 > /dev/null) +build_id_string+=$(shell $(build_RANLIB) --version 2>/dev/null) $(filter RANLIB_%,$(full_env)) +build_id_string+=$(shell $(build_STRIP) --version 2>/dev/null) $(filter STRIP_%,$(full_env)) $(host_arch)_$(host_os)_id_string:=$(HOST_ID_SALT) -$(host_arch)_$(host_os)_id_string+=$(shell $(host_CC) --version 2>/dev/null) -$(host_arch)_$(host_os)_id_string+=$(shell $(host_AR) --version 2>/dev/null) -$(host_arch)_$(host_os)_id_string+=$(shell $(host_CXX) --version 2>/dev/null) -$(host_arch)_$(host_os)_id_string+=$(shell $(host_RANLIB) --version 2>/dev/null) -$(host_arch)_$(host_os)_id_string+=$(shell $(host_STRIP) --version 2>/dev/null) +$(host_arch)_$(host_os)_id_string+=$(shell $(host_CC) -v < /dev/null 3>&1 1>&2 2>&3 > /dev/null) $(shell $(host_CC) -v -E - < /dev/null 3>&1 1>&2 2>&3 > /dev/null) +$(host_arch)_$(host_os)_id_string+=$(shell $(host_AR) --version 2>/dev/null) $(filter AR_%,$(full_env)) ZERO_AR_DATE=$(ZERO_AR_DATE) +$(host_arch)_$(host_os)_id_string+=$(shell $(host_CXX) -v < /dev/null 3>&1 1>&2 2>&3 > /dev/null) $(shell $(host_CXX) -v -E - < /dev/null 3>&1 1>&2 2>&3 > /dev/null) +$(host_arch)_$(host_os)_id_string+=$(shell $(host_RANLIB) --version 2>/dev/null) $(filter RANLIB_%,$(full_env)) +$(host_arch)_$(host_os)_id_string+=$(shell $(host_STRIP) --version 2>/dev/null) $(filter STRIP_%,$(full_env)) ifneq ($(strip $(FORCE_USE_SYSTEM_CLANG)),) # Make sure that cache is invalidated when switching between system and |