Hi, WRL8, rcpl4 Trying to add libasan to a package will fail to build due to gcc-sanitizers package installing a bad libasan.la file (the libubsan.la file is also bad). They are missing a '=' sign in the dependency_libs line, causing libtool to try to find the dependencies on the host instead of the sysroot. This prevents us to use libasan during development and trouble shooting. A quick workaround to get passed this would be very good to help us with current trouble shooting! Example: $ cat cryptsetup_1.6.7.bbappend DEPENDS += "gcc-sanitizers" CFLAGS_append += "-fsanitize=address" LDFLAGS_append += "-lasan" .... $ bitbake cryptsetup ... ../../arm-wrs-linux-gnueabi-libtool --tag=CC --mode=link arm-wrs-linux-gnueabi-gcc -march=armv7-a -mfloat-abi=softfp -mfpu=neon -marm -mthumb-interwork -mtune=cortex-a15 --sysroot=/build/rcs-yocto_800.4/build/build_dusx2_rcs-rootfs/bitbake_build/tmp/sysroots/dusx2 -Wall -O2 -pipe -g -fsanitize=address -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -lasan -o libcrypto_backend.la libcrypto_backend_la-crypto_cipher_kernel.lo libcrypto_backend_la-crypto_storage.lo libcrypto_backend_la-pbkdf_check.lo libcrypto_backend_la-crc32.lo libcrypto_backend_la-crypto_openssl.lo /bin/grep: /usr/lib/libstdc++.la: No such file or directory sed: can't read /usr/lib/libstdc++.la: No such file or directory arm-wrs-linux-gnueabi-libtool: error: '/usr/lib/libstdc++.la' is not a valid libtool archive ... $ grep ^dependency_libs .../tmp/sysroots/.../usr/lib/libasan.la dependency_libs=' -lpthread -ldl '/usr/lib'/libstdc++.la '/usr/lib'/libstdc++.la'