math/{,py-}spot: Minor improvements

* Allow to test the Python binding from math/spot
* Remove unnecessary patch
* Correct C++ standard level

math/py-spot/Makefile

@@ -13,7 +13,7 @@ LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libspot.so:math/spot
 
-USES=		compiler:c++14-lang gmake libtool python:3.4+
+USES=		compiler:c++17-lang gmake libtool python:3.4+
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--enable-python --disable-static
@@ -35,4 +35,6 @@ post-configure:
 post-install:
 	@${FIND} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR} -name "*.so" | ${XARGS} ${STRIP_CMD}
 
+# to test: cd ../spot && make test WITH_PYTHON=yes
+
 .include <bsd.port.mk>

math/spot/Makefile

@@ -14,7 +14,11 @@ USES=		charsetfix compiler:c++17-lang gmake libtool
 USE_LDCONFIG=	yes
 
 GNU_CONFIGURE=	yes
+.if !defined(WITH_PYTHON) # math/py-spot is a separate port but tests don't work there. To test run: make test WITH_PYTHON=yes
 CONFIGURE_ARGS=	--disable-python --disable-static
+.else
+CONFIGURE_ARGS=	--disable-static
+.endif
 
 INSTALL_TARGET=	install-strip
 

math/spot/files/patch-spot_misc_tmpfile.cc

@@ -1,10 +0,0 @@
---- spot/misc/tmpfile.cc.orig	2022-10-08 19:11:32 UTC
-+++ spot/misc/tmpfile.cc
-@@ -23,6 +23,7 @@
- #include <stdlib.h>
- #include <unistd.h>
- #include <string.h>
-+#include <stdlib.h>
- 
- using namespace std::string_literals;
-