[Bug ld/29288] Dependent libraries cannot be found with default sysroot search dir and rpath using cross ld

[galaxyking0419 at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=29288

--- Comment #5 from William Tang <galaxyking0419 at gmail dot com> ---
So, the rapth issue is that, if the environment is located under other folders
instead of /usr/arm-linux-gnueabihf/lib and compile the program with command

arm-linux-gnueabihf-gcc main.c -I /tmp/rpi-root/usr/include -Wl,--verbose
-Wl,-rpath=/tmp/rpi-root/usr/lib /tmp/rpi-root/usr/lib/libarchive.so

The ld seems not searching /tmp/rpi-root/usr/lib, ld verbose log:

/usr/bin/arm-linux-gnueabihf-ld: warning: libcrypto.so.1.1, needed by
/tmp/rpi-root/usr/lib/libarchive.so, not found (try using -rpath or
-rpath-link)
libacl.so.1 needed by /tmp/rpi-root/usr/lib/libarchive.so
attempt to open /usr/arm-linux-gnueabihf/tmp/rpi-root/usr/lib/libacl.so.1
failed
attempt to open /usr/lib/binutils/arm-linux-gnueabihf/libacl.so.1 failed
attempt to open
/usr/arm-linux-gnueabihf/usr/arm-linux-gnueabihf/lib/libacl.so.1 failed
attempt to open /usr/arm-linux-gnueabihf/tmp/rpi-root/usr/lib/libacl.so.1
failed
attempt to open /usr/lib/binutils/arm-linux-gnueabihf/libacl.so.1 failed
attempt to open
/usr/arm-linux-gnueabihf/usr/arm-linux-gnueabihf/lib/libacl.so.1 failed

However, it did work with rpath-link option:

libcrypto.so.1.1 needed by /tmp/rpi-root/usr/lib/libarchive.so
found libcrypto.so.1.1 at /tmp/rpi-root/usr/lib/libcrypto.so.1.1

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