extra/compiler-rt: added -latomic on 486

1 files changed, 9 insertions, 0 deletions

diff --git a/extra/compiler-rt/PKGBUILD b/extra/compiler-rt/PKGBUILD
new file mode 100644
index 00000000..b7692845
--- /dev/null
+++ b/extra/compiler-rt/PKGBUILD
@@ -0,0 +1,9 @@
+# i486 needs atomic libraries when linking
+if [ "$CARCH" = 'i486' ]; then
+  eval "$(
+    declare -f build | \
+      sed '
+        s/cmake /cmake -DCMAKE_CXX_STANDARD_LIBRARIES=-latomic /
+      '
+  )"
+fi