musl: remove bigstack build option.

srcpkgs/musl/patches/bigstack-option.patch

@@ -1,14 +0,0 @@
---- src/internal/pthread_impl.h.orig	2017-06-28 22:52:51.000000000 +0000
-+++ src/internal/pthread_impl.h	2017-06-28 22:52:59.297555622 +0000
-@@ -141,7 +141,11 @@
- void __block_app_sigs(void *);
- void __restore_sigs(void *);
- 
-+#ifdef VOID_BIGSTACK
-+#define DEFAULT_STACK_SIZE 8388608
-+#else
- #define DEFAULT_STACK_SIZE 81920
-+#endif
- #define DEFAULT_GUARD_SIZE 4096
- 
- #define __ATTRP_C11_THREAD ((void*)(uintptr_t)-1)

srcpkgs/musl/template

@@ -17,11 +17,6 @@ nostrip_files="libc.so"
 shlib_provides="libc.so"
 only_for_archs="i686-musl x86_64-musl armv5tel-musl armv6l-musl armv7l-musl aarch64-musl mips-musl mipshf-musl mipsel-musl mipselhf-musl"
 
-desc_option_bigstack="bigger default pthread stack size"
-build_options="bigstack"
-
-CFLAGS="$(vopt_if bigstack -DVOID_BIGSTACK)"
-
 post_build() {
 	$CC $CFLAGS $LDFLAGS ${FILESDIR}/getent.c -o getent
 	$CC $CFLAGS $LDFLAGS ${FILESDIR}/getconf.c -o getconf