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author | Carl Dong <contact@carldong.me> | 2020-12-11 10:23:12 -0500 |
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committer | Carl Dong <contact@carldong.me> | 2021-02-03 12:10:10 -0500 |
commit | 4c7d41858821e4fecf7cb0cec3fcad002365e6c9 (patch) | |
tree | f3019398198e69a8f54842976b9716cd29f967e4 | |
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.
-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 |