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Fix C++ compatibility with older editline versions.

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For example, Ubuntu 16.04 and many similar long-term-support distros
have older versions.
This commit is contained in:
Niklas Hambüchen 2019-07-03 01:46:07 +02:00
parent b49c3a9db5
commit d203c554fa
1 changed files with 7 additions and 0 deletions
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7
src/nix/repl.cc
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@ -9,7 +9,14 @@
#include <readline/history.h>
#include <readline/readline.h>
#else
// editline < 1.15.2 don't wrap their API for C++ usage
// (added in https://github.com/troglobit/editline/commit/91398ceb3427b730995357e9d120539fb9bb7461).
// This results in linker errors due to to name-mangling of editline C symbols.
// For compatibility with these versions, we wrap the API here
// (wrapping multiple times on newer versions is no problem).
extern "C" {
#include <editline.h>
}
#endif
#include "shared.hh"