Following reproducible-builds.org recommendations, using compiler flags
like -ffile-prefix-map or -fdebug-prefix-map allows replace build-time
paths by install-time ones in the debugging sections of binaries.
Variable DEBUG_PREFIX_MAP set these flags correctly in yocto build
context to guarantee reproducible builds.
Signed-off-by: Fabien Thomas <fabien.tho...@smile.fr>
Reviewed-by: Yoann Congal <yoann.con...@smile.fr>
---
meta-initramfs/recipes-devtools/klibc/klibc.inc | 1 +
1 file changed, 1 insertion(+)
diff --git a/meta-initramfs/recipes-devtools/klibc/klibc.inc
b/meta-initramfs/recipes-devtools/klibc/klibc.inc
index 113459b52..6093e19b7 100644
--- a/meta-initramfs/recipes-devtools/klibc/klibc.inc
+++ b/meta-initramfs/recipes-devtools/klibc/klibc.inc
@@ -32,6 +32,7 @@ SRC_URI[sha256sum] =
"d673a294f742d59368222ff5c38462d81098c55063799de6fb8a7ba3d4
S = "${WORKDIR}/klibc-${PV}"
OPTFLAGS = "${TUNE_CCARGS} -Os -fcommon"
+OPTFLAGS:append = " ${DEBUG_PREFIX_MAP}"
OPTFLAGS:append:toolchain-clang = " -fno-builtin-bcmp"
OPTFLAGS:append:toolchain-clang:mipsarch = " -no-integrated-as"
--
2.34.1
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