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build: add option to exclude executables/dirs from being stripped

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Sometimes it may be desirable to keep debug symbols for some binaries and
libraries on the target. This commit introduces the config option
BR2_STRIP_EXCLUDE_FILES, which is interpreted as a list of such binaries
and libraries, and the option BR2_STRIP_EXCLUDE_DIRS, which indicates
directories excluded from stripping entirely.
These exclusions are passed to the find command in the target-finalize step.

Signed-off-by: Sven Neumann <s.neumann@raumfeld.com>
Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Thomas De Schampheleire 2012-06-21 19:34:50 +00:00 committed by Peter Korsgaard
parent 75f18de67e
commit 2a97045d5d
2 changed files with 27 additions and 2 deletions
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19
Config.in
View File

@ -283,6 +283,25 @@ config BR2_STRIP_none
filesystem. filesystem.
endchoice endchoice
config BR2_STRIP_EXCLUDE_FILES
string "executables that should not be stripped"
depends on !BR2_STRIP_none
default ""
help
You may specify a space-separated list of binaries and libraries
here that should not be stripped on the target.
config BR2_STRIP_EXCLUDE_DIRS
string "directories that should be skipped when stripping"
depends on !BR2_STRIP_none
default ""
help
You may specify a space-separated list of directories that should
be skipped when stripping. Binaries and libraries in these
directories will not be touched.
The directories should be specified relative to the target directory,
without leading slash.
choice choice
prompt "gcc optimization level" prompt "gcc optimization level"
default BR2_OPTIMIZE_S default BR2_OPTIMIZE_S

10
Makefile
View File

@ -386,6 +386,13 @@ $(BUILD_DIR)/.root:
$(TARGET_DIR): $(BUILD_DIR)/.root $(TARGET_DIR): $(BUILD_DIR)/.root
STRIP_FIND_CMD = find $(TARGET_DIR)
ifneq (,$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS)))
STRIP_FIND_CMD += \( $(call finddirclauses,$(TARGET_DIR),$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS))) \) -prune -o
endif
STRIP_FIND_CMD += -type f -perm +111
STRIP_FIND_CMD += -not \( $(call findfileclauses,libthread_db*.so* $(call qstrip,$(BR2_STRIP_EXCLUDE_FILES))) \) -print
target-finalize: target-finalize:
ifeq ($(BR2_HAVE_DEVFILES),y) ifeq ($(BR2_HAVE_DEVFILES),y)
( support/scripts/copy.sh $(STAGING_DIR) $(TARGET_DIR) ) ( support/scripts/copy.sh $(STAGING_DIR) $(TARGET_DIR) )
@ -410,8 +417,7 @@ endif
ifeq ($(BR2_PACKAGE_PYTHON_PYC_ONLY),y) ifeq ($(BR2_PACKAGE_PYTHON_PYC_ONLY),y)
find $(TARGET_DIR)/usr/lib/ -name '*.py' -print0 | xargs -0 rm -f find $(TARGET_DIR)/usr/lib/ -name '*.py' -print0 | xargs -0 rm -f
endif endif
find $(TARGET_DIR) -type f -perm +111 '!' -name 'libthread_db*.so*' | \ $(STRIP_FIND_CMD) | xargs $(STRIPCMD) 2>/dev/null || true
xargs $(STRIPCMD) 2>/dev/null || true
find $(TARGET_DIR)/lib/modules -type f -name '*.ko' | \ find $(TARGET_DIR)/lib/modules -type f -name '*.ko' | \
xargs -r $(KSTRIPCMD) || true xargs -r $(KSTRIPCMD) || true