diff --git a/app-misc/spacenavd/spacenavd-0.6.ebuild b/app-misc/spacenavd/spacenavd-0.6.ebuild
index bbf5b9cf9e040..bc0c390694e8d 100644
--- a/app-misc/spacenavd/spacenavd-0.6.ebuild
+++ b/app-misc/spacenavd/spacenavd-0.6.ebuild
@@ -3,7 +3,7 @@
 
 EAPI="5"
 
-inherit epatch linux-info systemd toolchain-funcs udev
+inherit flag-o-matic epatch linux-info systemd toolchain-funcs udev
 
 MY_PN='spacenav'
 DESCRIPTION="The spacenavd daemon provides free alternative to the 3dxserv daemon"
@@ -37,6 +37,7 @@ src_configure() {
 }
 
 src_compile() {
+	append-cflags -fcommon  # bug 708648
 	emake CC="$(tc-getCC)" \
 		add_cflags="${CFLAGS}" \
 		add_ldflags="${LDFLAGS}"
diff --git a/app-misc/spacenavd/spacenavd-0.7.1.ebuild b/app-misc/spacenavd/spacenavd-0.7.1.ebuild
index efe4773a4fca4..e4ff48d27d98d 100644
--- a/app-misc/spacenavd/spacenavd-0.7.1.ebuild
+++ b/app-misc/spacenavd/spacenavd-0.7.1.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=7
 
-inherit linux-info systemd toolchain-funcs udev
+inherit flag-o-matic linux-info systemd toolchain-funcs udev
 
 MY_PN='spacenav'
 DESCRIPTION="The spacenavd daemon provides free alternative to the 3dxserv daemon"
@@ -24,6 +24,7 @@ pkg_setup() {
 }
 
 src_configure() {
+	append-cflags -fcommon  # bug 708648
 	econf \
 		--disable-debug \
 		--enable-hotplug \
diff --git a/app-misc/spacenavd/spacenavd-0.7.ebuild b/app-misc/spacenavd/spacenavd-0.7.ebuild
index 4c5a57fdbfa39..e9fef0e60869d 100644
--- a/app-misc/spacenavd/spacenavd-0.7.ebuild
+++ b/app-misc/spacenavd/spacenavd-0.7.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=7
 
-inherit linux-info systemd toolchain-funcs udev
+inherit flag-o-matic linux-info systemd toolchain-funcs udev
 
 MY_PN='spacenav'
 DESCRIPTION="The spacenavd daemon provides free alternative to the 3dxserv daemon"
@@ -37,6 +37,7 @@ src_configure() {
 }
 
 src_compile() {
+	append-cflags -fcommon  # bug 708648
 	emake CC="$(tc-getCC)" \
 		add_cflags="${CFLAGS}" \
 		add_ldflags="${LDFLAGS}"