cross-canadian/libgcc-common: Fixes for arm multilib

Arm is unusual in that we force it to "linux-gnueabi" and "linux" doesn't build. This was causing problems for multilib configurations which were assuming
"linux" was the default compiler rather than linux-gnueabi.

This change does two things, ensures symlinks are generated for linux-gnueabi
and also adapts the libgcc code to account for the difference on arm.

It still needs to immediately expand/save TARGET_VENDOR but we defer deciding what TARGET_OS should be until we know TARGET_ARCH (which the multilib code may change).

[YOCTO #8642]

Note that sanity tests of a 32 bit arm multilib still break due to issues with the kernel headers on a mixed bit system. This looks to be a general headers issue for the platform though and a different type of bug.

Signed-off-by Richard Purdie <[email protected]>

meta/classes/cross-canadian.bbclass +1 -1

index 099c0da..21921b3 100644
@@ -80,7 +80,7 @@ python () {
         for extraos in d.getVar("BASECANADIANEXTRAOS", True).split():
             d.appendVar("CANADIANEXTRAOS", " " + extraos + "n32")
     if tarch == "arm" or tarch == "armeb":
-        d.appendVar("CANADIANEXTRAOS", " linux-musleabi
 linux-uclibceabi")
+        d.appendVar("CANADIANEXTRAOS", " linux-gnueabi linux-musleabi
 linux-uclibceabi")
         d.setVar("TARGET_OS", "linux-gnueabi")

     else:
         d.setVar("TARGET_OS", "linux")

meta/recipes-devtools/gcc/libgcc-common.inc +2 -2

index 4e4f0fd..1549eb4 100644
@@ -123,15 +123,18 @@ fakeroot python do_multilib_install() {
         os.symlink(src, dest)
 }
 
-def get_original_vendoros(d):
-    vendoros = d.expand('${TARGET_VENDOR}-${TARGET_OS}')
+def get_original_os(d):
+    vendoros = d.expand('${TARGET_ARCH}${ORIG_TARGET_VENDOR}-${TARGET_
 OS}')
     for suffix in [d.getVar('ABIEXTENSION', True),

d.getVar('LIBCEXTENSION', True)]:
if suffix and vendoros.endswith(suffix):
vendoros = vendoros[:-len(suffix)]
+ # Arm must use linux-gnueabi not linux as only the former is accepted
by gcc

meta/recipes-devtools/gcc/libgcc-common.inc +4 -2

+    if vendoros.startswith("arm-") and not vendoros.endswith("-gnueabi"):
+        vendoros = vendoros + "-gnueabi"
     return vendoros
 
-ORIG_TARGET_VENDOROS := "${@get_original_vendoros(d)}"
-BASETARGET_SYS = "${TARGET_ARCH}${ORIG_TARGET_VENDOROS}"
+ORIG_TARGET_VENDOR := "${TARGET_VENDOR}"
+BASETARGET_SYS = "${@get_original_os(d)}"
 
 addtask extra_symlinks after do_multilib_install before do_package

do_populate_sysroot
fakeroot python do_extra_symlinks() {

--
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