[oe-commits] [openembedded-core] 02/04: cross-canadian/libgcc-common: Fixes for arm multilib

[git at git.openembedded.org]

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

commit bcddc3e7eff138add031bc9c9728be5a42fa62ef
Author: Richard Purdie <richard.purdie at linuxfoundation.org>
AuthorDate: Wed Sep 28 15:59:34 2016 +0100

    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 <richard.purdie at linuxfoundation.org>
---
 meta/classes/cross-canadian.bbclass         |  2 +-
 meta/recipes-devtools/gcc/libgcc-common.inc | 11 +++++++----
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/meta/classes/cross-canadian.bbclass b/meta/classes/cross-canadian.bbclass
index 099c0da..21921b3 100644
--- a/meta/classes/cross-canadian.bbclass
+++ b/meta/classes/cross-canadian.bbclass
@@ -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")
diff --git a/meta/recipes-devtools/gcc/libgcc-common.inc b/meta/recipes-devtools/gcc/libgcc-common.inc
index 4e4f0fd..1549eb4 100644
--- a/meta/recipes-devtools/gcc/libgcc-common.inc
+++ b/meta/recipes-devtools/gcc/libgcc-common.inc
@@ -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
+    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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