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Precisely preserve the timestamps when stripping debugging symbols #2886

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livecodestephen merged 6 commits into from
Sep 30, 2015
Merged

Precisely preserve the timestamps when stripping debugging symbols #2886

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cdd7fcd
Remove unnecessary `mkdir` in `build-extensions.sh`
livecodestephen Sep 17, 2015
d4b9d72
Precisely preserve the timestamps when stripping debugging symbols
livecodestephen Jul 23, 2015
d7ccc57
Remove the correct file in tools/extract-debug-symbols.sh
livecodestephen Jul 27, 2015
22c1cce
Ignore failure to copy attributes in extract-debug-symbols.sh
livecodestephen Jul 31, 2015
25cdcfa
Use `touch` to copy the modification time instead of `cp`
livecodestephen Sep 17, 2015
e419ee1
Use `touch` to copy the timestamps
livecodestephen Sep 30, 2015
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23 changes: 16 additions & 7 deletions tools/extract-debug-symbols.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -13,34 +13,43 @@ STRIP="${STRIP:-strip}"

function extract_linux_or_android {

for input in $@ ; do
output="${input}${suffix}"
for input in "$@" ; do
output="${input}${suffix}"

# The --preserve-dates flag for strip and objcopy only has whole
# second resolution, so save the timestamps in a separate file
# instead.
touch -m -r "$input" "$input.timestamps"

# Extract a copy of the debugging information
$OBJCOPY --only-keep-debug "$input" "$output"

# Because we export symbols from the engine, only debug symbols
# should be stripped.
$STRIP -x --preserve-dates --strip-debug "$input"
$STRIP -x --strip-debug "$input"

# Add a hint for the debugger so it can find the debug info
$OBJCOPY --preserve-dates --remove-section=.gnu_debuglink "$input"
$OBJCOPY --preserve-dates --add-gnu-debuglink="$output" "$input"
$OBJCOPY --remove-section=.gnu_debuglink "$input"
$OBJCOPY --add-gnu-debuglink="$output" "$input"

# Restore the original modification time
touch -m -r "$input.timestamps" "$input"
rm "$input.timestamps" 2>&1
done

}

function extract_emscripten {

for input in $@ ; do
for input in "$@" ; do
touch "${input}${suffix}"
done

}

function extract_mac_or_ios {

for input in $@ ; do
for input in "$@" ; do
output="${input}${suffix}"

# If this is an app bundle, find the executable name
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4 changes: 0 additions & 4 deletions util/build-extensions.sh
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Expand Up @@ -44,9 +44,5 @@ build_order=$(${lc_compile} --modulepath ${module_dir} --deps changed-order -- $

# Loop over the extensions that need to be (re-)built
for ext in ${build_order} ; do
# Create the output directory
mkdir -p "${destination_dir}"/com.livecode.extensions.livecode.$(basename -s .lcb "${ext}")

# Build this extension
build_widget $(dirname "${ext}") "${destination_dir}" "${module_dir}" "${lc_compile}"
done