Re: Mesa update

[coypu%sdf.org@localhost]

thanks to jmcneill for suggesting dlerror();

perhaps we need to remove -DGLX_USE_TLS. it otherwise uses TLS via
pthread.

/usr/X11R7/lib/libGL.so: Use of initialized Thread Local Storage with model initial-exec and dlopen is not supported

I'm going to test
Index: libmesa.mk
===================================================================
RCS file: /cvsroot/src/external/mit/xorg/lib/libmesa.mk,v
retrieving revision 1.6
diff -u -r1.6 libmesa.mk
--- libmesa.mk	3 Apr 2019 15:26:34 -0000	1.6
+++ libmesa.mk	9 Apr 2019 10:37:54 -0000
@@ -521,7 +521,6 @@
 	-DHAVE_LIBDRM -DGLX_USE_DRM \
 	-DGLX_INDIRECT_RENDERING \
 	-DGLX_DIRECT_RENDERING \
-	-DGLX_USE_TLS \
 	-DHAVE_X11_PLATFORM \
 	-DHAVE_DRM_PLATFORM \
 	-DENABLE_SHADER_CACHE \
Index: libGL/Makefile
===================================================================
RCS file: /cvsroot/src/external/mit/xorg/lib/libGL/Makefile,v
retrieving revision 1.23
diff -u -r1.23 Makefile
--- libGL/Makefile	10 Mar 2019 10:51:58 -0000	1.23
+++ libGL/Makefile	9 Apr 2019 10:37:55 -0000
@@ -164,7 +164,7 @@
 	-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 -DGLX_USE_TLS
+	-DHAVE_TIMESPEC_GET
 
 .include "../asm.mk"
 
Index: libglapi/Makefile
===================================================================
RCS file: /cvsroot/src/external/mit/xorg/lib/libglapi/Makefile,v
retrieving revision 1.4
diff -u -r1.4 Makefile
--- libglapi/Makefile	10 Mar 2019 10:51:58 -0000	1.4
+++ libglapi/Makefile	9 Apr 2019 10:37:55 -0000
@@ -68,7 +68,6 @@
 	-DGLX_USE_DRM \
 	-DGLX_INDIRECT_RENDERING \
 	-DGLX_DIRECT_RENDERING \
-	-DGLX_USE_TLS \
 	-DHAVE_X11_PLATFORM \
 	-DHAVE_DRM_PLATFORM \
 	-DENABLE_SHADER_CACHE \