[Buildroot] [PATCH v2] openpgm: depends on sync2/sync4

[Gustavo Zacarias]

Add dependency on BR2_TOOLCHAIN_HAS_SYNC_2/4 since it uses both
__sync_fetch_and_add_2() and __sync_fetch_and_add_4() atomic builtins.
Fixes:
http://autobuild.buildroot.net/results/8f2/8f2a3571611dc9414c23808e7615f87b677557dd/

Signed-off-by: Gustavo Zacarias <gustavo at zacarias.com.ar>
---
v2: get rid of bfin conditional since it's atomics-related

 package/openpgm/Config.in | 6 ++++--
 package/zeromq/Config.in  | 3 ++-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/package/openpgm/Config.in b/package/openpgm/Config.in
index 94816d8..e37edfe 100644
--- a/package/openpgm/Config.in
+++ b/package/openpgm/Config.in
@@ -1,7 +1,7 @@
 config BR2_PACKAGE_OPENPGM
 	bool "openpgm"
-	# This toolchain lack required compiler intrinsics
-	depends on !BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX
+	depends on BR2_TOOLCHAIN_HAS_SYNC_2
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_USE_WCHAR
 	help
@@ -15,4 +15,6 @@ config BR2_PACKAGE_OPENPGM
 	  https://github.com/steve-o/openpgm/
 
 comment "openpgm needs a toolchain w/ wchar, threads"
+	depends on BR2_TOOLCHAIN_HAS_SYNC_2
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !(BR2_TOOLCHAIN_HAS_THREADS && BR2_USE_WCHAR)
diff --git a/package/zeromq/Config.in b/package/zeromq/Config.in
index c780f25..aefdf48 100644
--- a/package/zeromq/Config.in
+++ b/package/zeromq/Config.in
@@ -29,7 +29,8 @@ if BR2_PACKAGE_ZEROMQ
 
 config BR2_PACKAGE_ZEROMQ_PGM
 	bool "PGM/EPGM support"
-	depends on !BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX # openpgm
+	depends on BR2_TOOLCHAIN_HAS_SYNC_2
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	select BR2_PACKAGE_OPENPGM
 	help
 	  Add support for Pragmatic General Multicast protocol (RFC 3208)
-- 
2.4.10