[oe-commits] [openembedded-core] 06/06: mesa: Disble TLS for musl

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

commit bef32530b2a8e2299d296e4fc581e5380462efa2
Author: Khem Raj <raj.khem at gmail.com>
AuthorDate: Tue Aug 14 11:34:40 2018 -0700

    mesa: Disble TLS for musl
    
    See https://bugs.freedesktop.org/show_bug.cgi?id=35268
    mesa should infact stop using __attribute__((tls_model("initial-exec")))
    until then we disale TLS in glx for musl
    The problem could happen even on glibc if static TLS sizes are large enough
    which would mean that additional space the glibc leaves for such rogue libraries
    get consumed and then same problems show up there as well
    
    Fixes errors seen in xorg logs e.g.
    
    (EE) Failed to load /usr/lib/xorg/modules/extensions/libglx.so: Error relocating /usr/lib/libGL.so.1: _ITM_deregisterTMCloneTable: initial-exec TLS resolves to dynamic definition in /usr/lib/libGL.so.1
    
    enable readonly text segment on x86 for musl
    
    Signed-off-by: Khem Raj <raj.khem at gmail.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/recipes-graphics/mesa/mesa.inc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/meta/recipes-graphics/mesa/mesa.inc b/meta/recipes-graphics/mesa/mesa.inc
index 9452725..6aedeee 100644
--- a/meta/recipes-graphics/mesa/mesa.inc
+++ b/meta/recipes-graphics/mesa/mesa.inc
@@ -36,6 +36,7 @@ export LLVM_CONFIG = "${STAGING_BINDIR_NATIVE}/llvm-config${MESA_LLVM_RELEASE}"
 export YOCTO_ALTERNATE_EXE_PATH = "${STAGING_LIBDIR}/llvm${MESA_LLVM_RELEASE}/llvm-config"
 EXTRA_OECONF = "--enable-shared-glapi \
                 --disable-opencl \
+                --enable-glx-read-only-text \
                 PYTHON2=python2 \
                 --with-llvm-prefix=${STAGING_LIBDIR}/llvm${MESA_LLVM_RELEASE} \
                 --with-platforms='${PLATFORMS}'"
@@ -102,11 +103,12 @@ PACKAGECONFIG[osmesa] = "--enable-${OSMESA},--disable-${OSMESA}"
 
 PACKAGECONFIG[unwind] = "--enable-libunwind,--disable-libunwind,libunwind"
 
+EXTRA_OECONF_remove_libc-musl = "--enable-glx-tls"
+EXTRA_OECONF_append_libc-musl = " --disable-glx-tls"
 # llvmpipe is slow if compiled with -fomit-frame-pointer (e.g. -O2)
 FULL_OPTIMIZATION_append = " -fno-omit-frame-pointer"
 
 CFLAGS_append_armv5 = " -DMISSING_64BIT_ATOMICS"
-
 EXTRA_OEMAKE += "WAYLAND_PROTOCOLS_DATADIR=${STAGING_DATADIR}/wayland-protocols"
 
 # Remove the mesa dependency on mesa-dev, as mesa is empty

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