From 18838a6cd6b00b1d309d6cc712b7d54660597221 Mon Sep 17 00:00:00 2001
From: Enno Boland <gottox@voidlinux.eu>
Date: Tue, 17 Jul 2018 14:28:37 +0200
Subject: [PATCH] libGL: expand the stack size on musl when creating new
 threads.

fixes #933.
---
 srcpkgs/libGL/patches/musl-stacksize.patch | 35 ++++++++++++++++++++++
 srcpkgs/libGL/template                     |  2 +-
 2 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 srcpkgs/libGL/patches/musl-stacksize.patch

diff --git a/srcpkgs/libGL/patches/musl-stacksize.patch b/srcpkgs/libGL/patches/musl-stacksize.patch
new file mode 100644
index 00000000000..a8fb6735517
--- /dev/null
+++ b/srcpkgs/libGL/patches/musl-stacksize.patch
@@ -0,0 +1,35 @@
+diff --git ./include/c11/threads_posix.h ./include/c11/threads_posix.h
+index 45cb6075e6..1a2ea1a450 100644
+--- ./include/c11/threads_posix.h
++++ ./include/c11/threads_posix.h
+@@ -281,15 +281,29 @@ static inline int
+ thrd_create(thrd_t *thr, thrd_start_t func, void *arg)
+ {
+     struct impl_thrd_param *pack;
++#ifdef __GLIBC__
++    pthread_attr_t *attrp = NULL;
++#else
++    pthread_attr_t attr = { 0 };
++    pthread_attr_init(&attr);
++    pthread_attr_setstacksize(&attr, 8388608);
++    pthread_attr_t *attrp = &attr;
++#endif
+     assert(thr != NULL);
+     pack = (struct impl_thrd_param *)malloc(sizeof(struct impl_thrd_param));
+     if (!pack) return thrd_nomem;
+     pack->func = func;
+     pack->arg = arg;
+-    if (pthread_create(thr, NULL, impl_thrd_routine, pack) != 0) {
++    if (pthread_create(thr, attrp, impl_thrd_routine, pack) != 0) {
++#ifndef __GLIBC__
++        pthread_attr_destroy(&attr);
++#endif
+         free(pack);
+         return thrd_error;
+     }
++#ifndef __GLIBC__
++    pthread_attr_destroy(&attr);
++#endif
+     return thrd_success;
+ }
+ 
diff --git a/srcpkgs/libGL/template b/srcpkgs/libGL/template
index 1ce10ce3ecd..ea22f043604 100644
--- a/srcpkgs/libGL/template
+++ b/srcpkgs/libGL/template
@@ -1,7 +1,7 @@
 # Template file for 'libGL'
 pkgname=libGL
 version=18.1.4
-revision=1
+revision=2
 wrksrc="mesa-${version}"
 build_style=gnu-configure
 configure_args="--enable-shared-glapi --enable-gbm