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libgcc.inc: Fix an issue w/ a recursive symlink

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If the OS is not Linux, the code could end up generating a recursive symlink.
This can happen because the same symlink can be created twice in a row.  If this
happenes, the second symlink becomes a link to itself within the directory
pointed to by the original link.

In order to prevent this, verify that the destination does not already exist.

(From OE-Core rev: ef28e5a74d939acc98d6e8e9a0efbeb143b8025f)

Signed-off-by: Mark Hatle <mark.hatle@xilinx.com>
Signed-off-by: Mark Hatle <mark.hatle@kernel.crashing.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Mark Hatle
2020-01-21 18:27:02 -06:00
committed by Richard Purdie
parent 843e4935b9
commit 1c28cf571a
1 changed files with 6 additions and 2 deletions
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meta/recipes-devtools/gcc/libgcc.inc
+6 -2
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@@ -9,14 +9,18 @@ do_install_append_class-target () {
"linux-musleabi") extra_target_os="linux-gnueabi";;
*) extra_target_os="linux";;
esac
ln -s ${TARGET_SYS} ${D}${libdir}/${TARGET_ARCH}${TARGET_VENDOR}-$extra_target_os
if [ ! -e ${D}${libdir}/${TARGET_ARCH}${TARGET_VENDOR}-$extra_target_os ]; then
ln -s ${TARGET_SYS} ${D}${libdir}/${TARGET_ARCH}${TARGET_VENDOR}-$extra_target_os
fi
fi
if [ -n "${@ bb.utils.contains('TUNE_CCARGS_MFLOAT', 'hard', 'hf', '', d)}" ]; then
case "${TARGET_OS}" in
"linux-musleabi") extra_target_os="linux-musleabihf";;
"linux-gnueabi") extra_target_os="linux-gnueabihf";;
esac
ln -s ${TARGET_SYS} ${D}${libdir}/${TARGET_ARCH}${TARGET_VENDOR}-$extra_target_os
if [ ! -e ${D}${libdir}/${TARGET_ARCH}${TARGET_VENDOR}-$extra_target_os ]; then
ln -s ${TARGET_SYS} ${D}${libdir}/${TARGET_ARCH}${TARGET_VENDOR}-$extra_target_os
fi
fi
}