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@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/recipes-graphics/mesa/mesa.inc b/meta/recipes-graphics/mesa/mesa.inc
index 945272507a71f31ade865fa942e183c5a1efaa78..6aedeee9dcff33731d55c06501942920e7cd6aae 100644 (file)
--- 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