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Commit 24366c84 authored by Greg Kaiser's avatar Greg Kaiser
Browse files

Require TARGET_RELEASE for builds 

Rather than use an unsupported flag setting that the user likely
doesn't even realize is being used, we immediately stop the build.

This error message is more verbose, mentioning 'lunch', because
it's anticipated a lot more users will hit this issue when first
switching to trunk stable, and more details will hopefully help
them out.

We have some complication in that some internal commands set
TARGET_RELEASE to an empty string.  We put in logic to allow
that path.

Since $(error) immediately stops the build, we also get rid of
some 'else' logic and indentation, to hopefully offset some of
the complication we've added.

Bug: 307946156
Test: 'lunch' (still) works; A build attempt without `TARGET_RELEASE` set (now) fails
Change-Id: I2f667668c6688e501a3536981b7bae5fdbf962a0
parent bcaac55c

core/release_config.mk

+22 −18
Original line number Diff line number Diff line
@@ -82,13 +82,25 @@ $(foreach f, $(config_map_files), \ 
)

FLAG_DECLARATION_FILES :=



# If TARGET_RELEASE is set, fail if there is no matching release config

# If it isn't set, no release config files will be included and all flags

# will get their default values.

ifneq ($(TARGET_RELEASE),)

ifeq ($(TARGET_RELEASE),)

    # We allow some internal paths to explicitly set TARGET_RELEASE to the

    # empty string.  For the most part, 'make' treats unset and empty string as

    # the same.  But the following line differentiates, and will only assign

    # if the variable was completely unset.

    TARGET_RELEASE ?= was_unset

    ifeq ($(TARGET_RELEASE),was_unset)

        $(error No release config set for target; please set TARGET_RELEASE, or if building on the command line use 'lunch <target>-<release>-<build_type>', where release is one of: $(_all_release_configs))

    endif

    # Instead of leaving this string empty, we want to default to a valid

    # setting.  Full builds coming through this path is a bug, but in case

    # of such a bug, we want to at least get consistent, valid results.

    TARGET_RELEASE = trunk_staging

endif



ifeq ($(filter $(_all_release_configs), $(TARGET_RELEASE)),)

    $(error No release config found for TARGET_RELEASE: $(TARGET_RELEASE). Available releases are: $(_all_release_configs))

else

endif



# Choose flag files

# Don't sort this, use it in the order they gave us.

# Do allow duplicate entries, retaining only the first usage.
@@ -96,14 +108,6 @@ else 
$(foreach f,$(_all_release_configs.$(TARGET_RELEASE).FILES), \

  $(if $(filter $(f),$(flag_value_files)),,$(eval flag_value_files += $(f)))\

)

endif

else

# Useful for finding scripts etc that aren't passing or setting TARGET_RELEASE

ifneq ($(FAIL_IF_NO_RELEASE_CONFIG),)

    $(error FAIL_IF_NO_RELEASE_CONFIG was set and TARGET_RELEASE was not)

endif

flag_value_files :=

endif



# Unset variables so they can't use them

define declare-release-config