[gdal-dev] GDAL 2.2.0 Compilation error with OSX 10.12

[Ruedi Boesch]

with http://download.osgeo.org/gdal/2.2.0/gdal-2.2.0.tar.gz
==>
==> no member named 'back' in 'CPLString'
==>
configure ... --enable-pdf-plugin ...

Compiling with macos 10.12 (toolchain XCode 8.3 (Apple LLVM version 8.1.0
(clang-802.0.42))) fails in 
gdal-2.2.0/frmts/pdf/pdfcreatecopy.cpp:2342

PROBLEM: configure defines HAVE_CXX11, but emits
libtool: compile:  g++ -std=gnu++11 ...

(c++11 supports std:string::back(), but gnu++11 not ??)

==> WORKAROUND:
In
gdal-2.2.0/port/cpl_string.h:383 

change

#ifndef HAVE_CXX11

to

// Note: This is standard in C++11.
#if defined (__APPLE__) || !defined (HAVE_CXX11)
    /** Return last character (undefined behaviour if string is empty) */
    const char& back() const { return operator[](size()-1); }
    /** Return last character (undefined behaviour if string is empty) */
    char& back() { return operator[](size()-1); }
#endif

Ruedi








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