libgnt/libgnt

Add an option to disable python2 support
release-2.x.y
2021-09-23, Gary Kramlich
ec210e0a9332
Add an option to disable python2 support

Testing Done:
Compiled with no arguments, `-Dpython2=true`, and `-Dpython2=false` and verified the build was successful and was only linked to libpython2 when it should have been via ldd.

Bugs closed: LIBGNT-16

Reviewed at https://reviews.imfreedom.org/r/930/
#include "gntutils.h"
int main()
{
GntWidget *win, *button;
gnt_init();
gnt_util_parse_widgets("<vwindow id='0' fill='0' align='2'><label>This is a test.</label><button id='1'>OK</button></vwindow>", 2, &win, &button);
g_signal_connect_swapped(G_OBJECT(button), "activate", G_CALLBACK(gnt_widget_destroy), win);
gnt_widget_show(win);
gnt_main();
gnt_quit();
return 0;
}