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AppImage: Improve binary stripping

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Slightly reduces file size, improves build speed and makes build more
reproducible.

The .comment section contained GCC version information which could cause
different build output from just a minor update in GCC. The information is not
needed so we strip this.

The strip command was invoked using xargs, spawning a new process for each file.
This is inefficient as xargs can correctly run the strip command with multiple
file names.

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taken from 43aaf9572f
This commit is contained in:
Axel Gembe
2019-12-17 21:41:17 +01:00
committed by SomberNight
parent 33facd151d
commit 880bd16883
1 changed files with 2 additions and 1 deletions
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3
contrib/build-linux/appimage/build.sh
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@@ -178,13 +178,14 @@ info "Copying additional libraries"
info "stripping binaries from debug symbols." info "stripping binaries from debug symbols."
# "-R .note.gnu.build-id" also strips the build id # "-R .note.gnu.build-id" also strips the build id
# "-R .comment" also strips the GCC version information
strip_binaries() strip_binaries()
{ {
chmod u+w -R "$APPDIR" chmod u+w -R "$APPDIR"
{ {
printf '%s\0' "$APPDIR/usr/bin/python3.6" printf '%s\0' "$APPDIR/usr/bin/python3.6"
find "$APPDIR" -type f -regex '.*\.so\(\.[0-9.]+\)?$' -print0 find "$APPDIR" -type f -regex '.*\.so\(\.[0-9.]+\)?$' -print0
} | xargs -0 --no-run-if-empty --verbose -n1 strip -R .note.gnu.build-id } | xargs -0 --no-run-if-empty --verbose strip -R .note.gnu.build-id -R .comment
} }
strip_binaries strip_binaries