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python3: rework python symlinks installation

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This patch reworks the way python3 and python3-config symlink are
installed.

Buildroot wants to control these symlinks' installation:

* the python3 symlink should be unconditionally installed in the target
  tree, and the python3-config symlink in the staging tree, since it is
  the only python package built and installed in the target tree if the
  user selected it;

* the python3 and python3-config symlinks should only be installed in
  the host tree when python3 is the selection of the user for the
  target.

[Thomas: fix comment as suggested by Yann.]

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Cc: Gustavo Zacarias <gustavo@zacarias.com.ar>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Samuel Martin 2014-03-05 23:04:41 +01:00 committed by Thomas Petazzoni
parent e1584b7d33
commit a8127d3cf8
1 changed files with 7 additions and 0 deletions
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7
package/python3/python3.mk
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@ -155,11 +155,18 @@ ifneq ($(BR2_PACKAGE_PYTHON),y)
PYTHON3_POST_INSTALL_TARGET_HOOKS += PYTHON3_INSTALL_SYMLINK
endif
# Some packages may have build scripts requiring python3, whatever is the
# python version chosen for the target.
# Only install the python symlink in the host tree if python3 is enabled
# for the target.
ifeq ($(BR2_PACKAGE_PYTHON3),y)
define HOST_PYTHON3_INSTALL_SYMLINK
ln -fs python3 $(HOST_DIR)/usr/bin/python
ln -fs python3-config $(HOST_DIR)/usr/bin/python-config
endef
HOST_PYTHON3_POST_INSTALL_HOOKS += HOST_PYTHON3_INSTALL_SYMLINK
endif
# Provided to other packages
PYTHON3_PATH = $(TARGET_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR)/sysconfigdata/:$(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR)/site-packages/