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binutils: File name too long causing failure to open temporary head file in dlltool

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During the execution of the command: i686-w64-mingw32-dlltool
--input-def $def_filepath --output-delaylib $filepath --dllname qemu.exe
An error occurred:
i686-w64-mingw32-dlltool: failed to open temporary head file: ..._w64_mingw32_nativesdk_qemu_8_2_2_build_plugins_libqemu_plugin_api_a_h.s

Due to the path length exceeding the Linux system's file name length
limit (NAME_MAX=255), the temporary file name generated by the
i686-w64-mingw32-dlltool command becomes too long to open. To address
this, a new temporary file name prefix is generated using tmp_prefix =
prefix_encode ("d", getpid()), ensuring that the file name does not
exceed the system's length limit.

Allow for "snnnnn.o" suffix when testing against NAME_MAX, and tidy
TMP_STUB handling by overwriting a prior nnnnn.o string rather than
copying the entire name.

(From OE-Core rev: 617df4ee1d6523ded43f156af8206dfca2c0c8ee)

Signed-off-by: Jiaying Song <jiaying.song.cn@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
This commit is contained in:
Jiaying Song
2025-02-05 16:06:35 +08:00
committed by Steve Sakoman
parent e723021fbc
commit 6d1fef08e1
2 changed files with 209 additions and 0 deletions
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meta/recipes-devtools/binutils/binutils-2.42.inc
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@@ -37,5 +37,6 @@ SRC_URI = "\
file://0014-Remove-duplicate-pe-dll.o-entry-deom-targ_extra_ofil.patch \
file://0015-gprofng-change-use-of-bignum-to-bigint.patch \
file://0016-CVE-2024-53589.patch \
file://0017-dlltool-file-name-too-long.patch \
"
S = "${WORKDIR}/git"