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Add more details to divergent vndk lib error.

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Bash better broadcast better build-backstop baggage because baffled
beings' bewilderement begets badness.

Fixes: 162379658
Test: view error by removing "libbinder" from
  VndkMustUseVendorVariantList.
Change-Id: Ib425e30bc7b5388b78af4bfab84dd24072d550a6
This commit is contained in:
Steven Moreland 2020-08-06 18:02:31 +00:00
parent c8343a3f0e
commit 9d27901e4a
1 changed files with 14 additions and 2 deletions
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16
tools/check_identical_lib.sh
View file

@ -26,7 +26,19 @@ function strip_lib() {
strip_lib ${CORE} ${stripped_core}
strip_lib ${VENDOR} ${stripped_vendor}
if ! cmp -s ${stripped_core} ${stripped_vendor}; then
echo "VNDK library not in vndkMustUseVendorVariantList but has different core and vendor variant: $(basename ${CORE})"
echo "If the two variants need to have different runtime behavior, consider using libvndksupport."
echo "ERROR: VNDK library $(basename ${CORE%.so}) has different core and" \
"vendor variants! This means that the copy used in the system.img/etc" \
"and vendor.img/etc images are different. In order to preserve space on" \
"some devices, it is helpful if they are the same. Frequently, " \
"libraries are different because they or their dependencies compile" \
"things based on the macro '__ANDROID_VNDK__' or they specify custom" \
"options under 'target: { vendor: { ... } }'. Here are some possible" \
"resolutions:"
echo "ERROR: 1). Remove differences, possibly using the libvndksupport" \
"function android_is_in_vendor_process in order to turn this into a" \
"runtime difference."
echo "ERROR: 2). Add the library to the VndkMustUseVendorVariantList" \
"variable in build/soong/cc/config/vndk.go, which is used to" \
"acknowledge this difference."
exit 1
fi