On 7/27/21 6:36 AM, Tony Battersby wrote:
-f*-prefix-map flags are required when linking with LTO enabled to make the output binary reproducible. See discussion here: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101473 [YOCTO #14481]
Looks ok
Signed-off-by: Tony Battersby <to...@cybernetics.com> --- /usr/sbin/lspci from pciutils is a good program to test that shows how adding -f*-prefix-map to LDFLAGS makes a program binary reproducible with LTO enabled. meta/conf/bitbake.conf | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf index 160abf40ee..c0d2e3f82f 100644 --- a/meta/conf/bitbake.conf +++ b/meta/conf/bitbake.conf @@ -595,7 +595,7 @@ TARGET_LINK_HASH_STYLE ?= "${@['-Wl,--hash-style=gnu',''][d.getVar('LINKER_HASH_ ASNEEDED ?= "-Wl,--as-needed"export LDFLAGS = "${TARGET_LDFLAGS}"-TARGET_LDFLAGS = "-Wl,-O1 ${TARGET_LINK_HASH_STYLE} ${ASNEEDED}" +TARGET_LDFLAGS = "-Wl,-O1 ${TARGET_LINK_HASH_STYLE} ${ASNEEDED} ${DEBUG_PREFIX_MAP}" # mips does not support GNU hash style therefore we override LINKER_HASH_STYLE_mipsarch_libc-musl = "sysv"
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