[oe-commits] [openembedded-core] 02/25: glibc: Compile using thumb2 for arch > armv5 if user chooses

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

commit 6a085a61f406f424051c1b79e4ff25a88bcbcae9
Author: Khem Raj <raj.khem at gmail.com>
AuthorDate: Sat Mar 3 12:24:39 2018 -0800

    glibc: Compile using thumb2 for arch > armv5 if user chooses
    
    For arm we enforce ARM mode regardless of ARM_INSTRUCTION_SET
    choice from config metadata, glibc works fine with thumb2 for
    armv7+ so limit the restriction to armv5 and lower, tested on
    rpi3 works equally well as arm mode glibc and sheds about 0.5MB
    in size for main package alone. Other glibc build packages also
    gets smaller
    
    ARM:    2696   KiB     libc6
    Thumb2: 2132   KiB     libc6
    
    Signed-off-by: Khem Raj <raj.khem at gmail.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/recipes-core/glibc/glibc-collateral.inc | 3 ++-
 meta/recipes-core/glibc/glibc.inc            | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/meta/recipes-core/glibc/glibc-collateral.inc b/meta/recipes-core/glibc/glibc-collateral.inc
index de859d5..aa871ac 100644
--- a/meta/recipes-core/glibc/glibc-collateral.inc
+++ b/meta/recipes-core/glibc/glibc-collateral.inc
@@ -7,7 +7,8 @@ HOMEPAGE = "http://www.gnu.org/software/libc/index.html"
 # This needs to match with glibc.inc, otherwise glibc-scripts and glibc-locale
 # will fail to find main glibc, for details see
 # http://lists.openembedded.org/pipermail/openembedded-core/2015-January/100679.html
-ARM_INSTRUCTION_SET = "arm"
+ARM_INSTRUCTION_SET_armv4 = "arm"
+ARM_INSTRUCTION_SET_armv5 = "arm"
 
 deltask do_fetch
 deltask do_unpack
diff --git a/meta/recipes-core/glibc/glibc.inc b/meta/recipes-core/glibc/glibc.inc
index 21bbdc2..361a6fd 100644
--- a/meta/recipes-core/glibc/glibc.inc
+++ b/meta/recipes-core/glibc/glibc.inc
@@ -57,7 +57,8 @@ INHIBIT_DEFAULT_DEPS = "1"
 # This needs to match with glibc-collateral.inc, otherwise glibc-scripts and glibc-locale
 # will fail to find main glibc, for details see
 # http://lists.openembedded.org/pipermail/openembedded-core/2015-January/100679.html
-ARM_INSTRUCTION_SET = "arm"
+ARM_INSTRUCTION_SET_armv4 = "arm"
+ARM_INSTRUCTION_SET_armv5 = "arm"
 
 # glibc uses PARALLELMFLAGS variable to pass parallel build info so transfer
 # PARALLEL_MAKE into PARALLELMFLAGS and empty out PARALLEL_MAKE

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