MFH: r551624 r551582 r551608

graphics/py-scikit-image: fix build on GCC architectures

Use C++11 compiler:
cc1plus: error: unrecognized command line option "-std=c++0x"

deskutils/gnome-clocks: fix build on GCC architectures

Use C11 compiler:
/usr/local/include/libhandy-1/hdy-swipe-tracker.h:23: error: redefinition of typedef 'HdySwipeTracker'
/usr/local/include/libhandy-1/hdy-types.h:15: error: previous declaration of 'HdySwipeTracker' was here

security/seahorse: fix build on GCC architectures

Use C99:
../pgp/seahorse-ldap-source.c:1317: error: 'for' loop initial declaration used outside C99 mode

Approved by:	portmgr (fix build blanket)

deskutils/gnome-clocks/Makefile

@@ -22,8 +22,8 @@ LIB_DEPENDS=	libgeoclue-2.so:net/geoclue \
 
 PORTSCOUT=	limitw:1,even
 
-USES=		gettext gnome localbase meson pkgconfig python:3.4+,build \
-		shebangfix tar:xz
+USES=		compiler:c11 gettext gnome localbase meson pkgconfig \
+		python:3.4+,build shebangfix tar:xz
 USE_LDCONFIG=	yes
 USE_GNOME=	cairo gnomedesktop3 gsound
 INSTALLS_ICONS=	yes

graphics/py-scikit-image/Makefile

@@ -24,7 +24,7 @@ RUN_DEPENDS=	${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}PyWavelets>=0.4:math/py-PyWavelets@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}cloudpickle>=0.2.1:devel/py-cloudpickle@${PY_FLAVOR}
 
-USES=		cpe python:3.7+
+USES=		compiler:c++11-lang cpe python:3.7+
 USE_GITHUB=	yes
 USE_PYTHON=	autoplist concurrent distutils cython cython_run
 

security/seahorse/Makefile

@@ -30,6 +30,7 @@ USE_XORG=	sm
 USE_LDCONFIG=	yes
 USES=		gettext gnome localbase:ldflags meson pkgconfig \
 		python:3.5+,build tar:xz xorg
+USE_CSTD=	c99
 USE_GNOME=	gtk30
 INSTALLS_ICONS=	yes