gistfile1.txt

MacBook-Pro-di-Massimo-2:grass7_trunk epi$ cd /Users/epi/dev/grass7_trunk/raster/r.terraflow
MacBook-Pro-di-Massimo-2:r.terraflow epi$ make
c++  -g -O2  -I/Users/epi/dev/grass7_trunk/dist.x86_64-apple-darwin13.0.0/include -I/Users/epi/dev/grass7_trunk/dist.x86_64-apple-darwin13.0.0/include   -DUSER=\"epi\" -DNODATA_FIX -DELEV_FLOAT -Wno-sign-compare -DPACKAGE=\""grassmods"\"   -I/Users/epi/dev/grass7_trunk/dist.x86_64-apple-darwin13.0.0/include -I/Users/epi/dev/grass7_trunk/dist.x86_64-apple-darwin13.0.0/include -o OBJ.x86_64-apple-darwin13.0.0/direction.o -c direction.cpp
direction.cpp:56:44: error: reference to 'is_void' is ambiguous
    if (elevwin.get(5) < elevwin.get() && !is_void(elevwin.get(5))) dir |= 1;
                                           ^
./nodata.h:40:5: note: candidate found by name lookup is 'is_void'
int is_void(elevation_type el);
    ^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1/type_traits:209:46: note: 
      candidate found by name lookup is 'std::__1::is_void'
template <class _Tp> struct _LIBCPP_TYPE_VIS is_void
                                             ^
direction.cpp:57:44: error: reference to 'is_void' is ambiguous
    if (elevwin.get(3) < elevwin.get() && !is_void(elevwin.get(3))) dir |= 16;
                                           ^
./nodata.h:40:5: note: candidate found by name lookup is 'is_void'
int is_void(elevation_type el);
    ^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1/type_traits:209:46: note: 
      candidate found by name lookup is 'std::__1::is_void'
template <class _Tp> struct _LIBCPP_TYPE_VIS is_void
                                             ^
direction.cpp:59:45: error: reference to 'is_void' is ambiguous
      if(elevwin.get(i) < elevwin.get() && !is_void(elevwin.get(i))) di...
                                            ^
./nodata.h:40:5: note: candidate found by name lookup is 'is_void'
int is_void(elevation_type el);
    ^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1/type_traits:209:46: note: 
      candidate found by name lookup is 'std::__1::is_void'
template <class _Tp> struct _LIBCPP_TYPE_VIS is_void
                                             ^
direction.cpp:60:47: error: reference to 'is_void' is ambiguous
      if(elevwin.get(i+6) < elevwin.get() && !is_void(elevwin.get(6+i))...
                                              ^
./nodata.h:40:5: note: candidate found by name lookup is 'is_void'
int is_void(elevation_type el);
    ^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1/type_traits:209:46: note: 
      candidate found by name lookup is 'std::__1::is_void'
template <class _Tp> struct _LIBCPP_TYPE_VIS is_void
                                             ^
4 errors generated.