some updates from review

src/libffi/ffi.c

@@ -1,7 +1,8 @@
-// Cointains all inline functions in include/notcurses/*.h
+// Contains all inline functions in include/notcurses/*.h
 // This file is auto generated from tools/generate_ffi.py
 #include <notcurses/notcurses.h>
 #include <notcurses/direct.h>
+
 #include <notcurses/nckeys.h>
 
 bool nccapability_canchangecolor(const nccapabilities* caps);

tools/generate_ffi.py

@@ -17,7 +17,7 @@ def generate_ffi(notcurses_dir):
     lines.sort()
 
     with open(os.path.join(notcurses_dir, "src", "libffi", "ffi.c"), 'w') as f:
-        f.write("// Cointains all inline functions in include/notcurses/*.h\n")
+        f.write("// Contains all inline functions in include/notcurses/*.h\n")
         f.write("// This file is auto generated from tools/generate_ffi.py\n")
         f.write("#include <notcurses/notcurses.h>\n")
         f.write("#include <notcurses/direct.h>\n\n")

tools/notcurses-ffi.pc.in

@@ -4,11 +4,11 @@ libdir=${prefix}/@CMAKE_INSTALL_LIBDIR@
 includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
 
 Name: @PROJECT_NAME@
-Description: TUI library for modern terminal emulators (ffi support)
+Description: TUI library for modern terminal emulators (ffi library)
 Version: @PROJECT_VERSION@
 
 Requires: notcurses-ffi
 Requires.private:
 Libs: -L${libdir} -lnotcurses-ffi
-Libs.private: -lstdc++
+Libs.private: -lunistring -lm
 Cflags: -I${includedir}

tools/tmp.cc

@@ -0,0 +1,2 @@
+#include "../include/notcurses/notcurses.h"
+int main() { return 0; }