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[src/trunk]: src/external/mit/xorg/lib mesa: re-enable GLX TLS to help i386



details:   https://anonhg.NetBSD.org/src/rev/4dcd66874c00
branches:  trunk
changeset: 945497:4dcd66874c00
user:      nia <nia%NetBSD.org@localhost>
date:      Sat Oct 31 13:28:22 2020 +0000

description:
mesa: re-enable GLX TLS to help i386

mesa's assembly code for i386 only seems to be position independent
when compiled with ELF TLS, so having it disabled causes worse problems
than the edge cases ELF TLS causes.

potentially the assembly code could be fixed (it looks like it not
being safe is a bug), it could also be disabled, but i don't currently
have the means to measure the impact of that.

diffstat:

 external/mit/xorg/lib/libGL/Makefile    |  6 +++---
 external/mit/xorg/lib/libglapi/Makefile |  3 ++-
 external/mit/xorg/lib/libmesa.mk        |  3 ++-
 3 files changed, 7 insertions(+), 5 deletions(-)

diffs (61 lines):

diff -r 9284f7c42dad -r 4dcd66874c00 external/mit/xorg/lib/libGL/Makefile
--- a/external/mit/xorg/lib/libGL/Makefile      Sat Oct 31 13:17:34 2020 +0000
+++ b/external/mit/xorg/lib/libGL/Makefile      Sat Oct 31 13:28:22 2020 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.30 2020/09/16 18:19:23 nia Exp $
+#      $NetBSD: Makefile,v 1.31 2020/10/31 13:28:22 nia Exp $
 
 .include <bsd.own.mk>
 
@@ -180,7 +180,7 @@
        -DHAVE_FUNC_ATTRIBUTE_NORETURN=1 -DHAVE_ENDIAN_H=1 -DHAVE_DLADDR=1 \
        -DHAVE_CLOCK_GETTIME=1 -DHAVE_PTHREAD_PRIO_INHERIT=1 \
        -DHAVE_PTHREAD=1 -DENABLE_ST_OMX_BELLAGIO=0 -DENABLE_ST_OMX_TIZONIA=0 \
-       -DHAVE_TIMESPEC_GET
+       -DHAVE_TIMESPEC_GET -DGLX_USE_TLS
 
 .include "../asm.mk"
 
@@ -224,7 +224,7 @@
            s,@GL_PKGCONF_LIB@,GL,; \
            s,@GL_PC_LIB_PRIV@,-lm -lpthread -pthread,; \
            s,@GL_PC_CFLAGS@,,; \
-           s,@GLX_TLS@,no,"
+           s,@GLX_TLS@,yes,"
 
 
 CWARNFLAGS.clang+=     -Wno-tautological-compare -Wno-format -Wno-constant-conversion \
diff -r 9284f7c42dad -r 4dcd66874c00 external/mit/xorg/lib/libglapi/Makefile
--- a/external/mit/xorg/lib/libglapi/Makefile   Sat Oct 31 13:17:34 2020 +0000
+++ b/external/mit/xorg/lib/libglapi/Makefile   Sat Oct 31 13:28:22 2020 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.8 2020/09/16 18:19:24 nia Exp $
+#      $NetBSD: Makefile,v 1.9 2020/10/31 13:28:22 nia Exp $
 
 .include <bsd.own.mk>
 
@@ -68,6 +68,7 @@
        -DGLX_USE_DRM \
        -DGLX_INDIRECT_RENDERING \
        -DGLX_DIRECT_RENDERING \
+       -DGLX_USE_TLS \
        -DHAVE_X11_PLATFORM \
        -DHAVE_DRM_PLATFORM \
        -DENABLE_SHADER_CACHE \
diff -r 9284f7c42dad -r 4dcd66874c00 external/mit/xorg/lib/libmesa.mk
--- a/external/mit/xorg/lib/libmesa.mk  Sat Oct 31 13:17:34 2020 +0000
+++ b/external/mit/xorg/lib/libmesa.mk  Sat Oct 31 13:28:22 2020 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: libmesa.mk,v 1.12 2020/09/16 18:19:23 nia Exp $
+#      $NetBSD: libmesa.mk,v 1.13 2020/10/31 13:28:22 nia Exp $
 #
 # Consumer of this Makefile should set MESA_SRC_MODULES.
 
@@ -526,6 +526,7 @@
        -DHAVE_LIBDRM -DGLX_USE_DRM \
        -DGLX_INDIRECT_RENDERING \
        -DGLX_DIRECT_RENDERING \
+       -DGLX_USE_TLS \
        -DHAVE_X11_PLATFORM \
        -DHAVE_DRM_PLATFORM \
        -DENABLE_SHADER_CACHE \



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