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python/python3: use --no-run-if-empty xargs option

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As suggested by Samuel Martin, this commit adds the option
--no-run-if-empty xargs option to the "find ... | xargs ..." logic used
in the python and python3 target-finalize hooks to remove py/pyc/pyo
files. This ensures that the command doesn't fail if there are no files
matching the pattern.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Thomas Petazzoni
2016-05-17 23:19:13 +02:00
parent 7c7fe54ec2
commit f06f58f8fd
2 changed files with 12 additions and 6 deletions
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9
package/python/python.mk
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@@ -219,14 +219,16 @@ $(eval $(host-autotools-package))
ifeq ($(BR2_PACKAGE_PYTHON_PYC_ONLY),y)
define PYTHON_REMOVE_PY_FILES
find $(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR) -name '*.py' -print0 | xargs -0 rm -f
find $(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR) -name '*.py' -print0 | \
xargs -0 --no-run-if-empty rm -f
endef
TARGET_FINALIZE_HOOKS += PYTHON_REMOVE_PY_FILES
endif
ifeq ($(BR2_PACKAGE_PYTHON_PY_ONLY),y)
define PYTHON_REMOVE_PYC_FILES
find $(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR) -name '*.pyc' -print0 | xargs -0 rm -f
find $(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR) -name '*.pyc' -print0 | \
xargs -0 --no-run-if-empty rm -f
endef
TARGET_FINALIZE_HOOKS += PYTHON_REMOVE_PYC_FILES
endif
@@ -234,7 +236,8 @@ endif
# In all cases, we don't want to keep the optimized .pyo files
ifeq ($(BR2_PACKAGE_PYTHON),y)
define PYTHON_REMOVE_PYO_FILES
find $(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR) -name '*.pyo' -print0 | xargs -0 --no-run-if-empty rm -f
find $(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR) -name '*.pyo' -print0 | \
xargs -0 --no-run-if-empty rm -f
endef
TARGET_FINALIZE_HOOKS += PYTHON_REMOVE_PYO_FILES
endif