[oe-commits] [openembedded-core] 08/08: gcc-runtime: improve reproducibility

[git at git.openembedded.org]

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rpurdie pushed a commit to branch master-next
in repository openembedded-core.

commit 5c841d5d2fced51560f132a20a01b3466b6a66ac
Author: Juro Bystricky <juro.bystricky at intel.com>
AuthorDate: Thu Jan 4 12:24:01 2018 -0800

    gcc-runtime: improve reproducibility
    
    Remove various build host references from packages:
    
    libstdc++
    libstdc++-staticdev
    gcc-runtime-dbg
    
    The references are removoved by correctly setting various compiler
    -fdebug-prefix-map settings. There are two main issues:
    The default DEBUG_PREFIX_MAP variable references WORKDIR, however,
    gcc sources are in a shared folder (work-shared)/
    Additionally, DWARF info seems to store symlink names but gcc
    seems to resolve symlink names referenced in -fdebug-prefix-map.
    
    Signed-off-by: Juro Bystricky <juro.bystricky at intel.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/recipes-devtools/gcc/gcc-runtime.inc | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/meta/recipes-devtools/gcc/gcc-runtime.inc b/meta/recipes-devtools/gcc/gcc-runtime.inc
index d3d4bd3..7629fa5 100644
--- a/meta/recipes-devtools/gcc/gcc-runtime.inc
+++ b/meta/recipes-devtools/gcc/gcc-runtime.inc
@@ -34,6 +34,18 @@ RUNTIMETARGET_remove_libc-musl = "libmpx"
 # libmudflap
 # libgfortran needs separate recipe due to libquadmath dependency
 
+SLIB = "${TMPDIR}/work-shared/gcc-${PV}-${PR}/gcc-${PV}"
+SLIB_NEW = "/usr/src/debug/${PN}/${EXTENDPE}${PV}-${PR}"
+
+DEBUG_PREFIX_MAP_class-target = " \
+   -fdebug-prefix-map=${WORKDIR}/recipe-sysroot= \
+   -fdebug-prefix-map=${WORKDIR}/recipe-sysroot-native= \
+   -fdebug-prefix-map=${SLIB}=${SLIB_NEW} \
+   -fdebug-prefix-map=${SLIB}/include=${SLIB_NEW}/libstdc++-v3/../include \
+   -fdebug-prefix-map=${SLIB}/libiberty=${SLIB_NEW}/libstdc++-v3/../libiberty \
+   -fdebug-prefix-map=${B}=${SLIB_NEW} \
+   "
+
 do_configure () {
 	export CXX="${CXX} -nostdinc++ -nostdlib++"
 	for d in libgcc ${RUNTIMETARGET}; do

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