From b789c3414f84eb7c98dc2ce5b9ab8532100a3ad2 Mon Sep 17 00:00:00 2001 From: Luis Diaz Mas Date: Wed, 12 May 2021 20:31:54 +0200 Subject: [PATCH] doc: Update notes about c++11 --- README.md | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/README.md b/README.md index 749989f8..93ef5a25 100644 --- a/README.md +++ b/README.md @@ -745,20 +745,20 @@ You will find that 3 tests fail at the end of the test suite. It is safe to ign ### 2.17 Building with C++11 and other compilers -Exiv2 uses the default compiler for your system. Exiv2 v0.27 was written to the C++ 1998 standard and uses `auto_ptr`. The C++11 and C++14 compilers will issue deprecation warnings about auto\_ptr. As _auto\_ptr support has been removed from C++17, you cannot build Exiv2 v0.27 with C++17 or later compilers._ Exiv2 v1.0 and later do not use `auto_ptr` and will build with all modern C++ Standard Compilers. +Exiv2 uses the default compiler for your system. Exiv2 v0.27 was written to the C++ 1998 standard and uses `auto_ptr`. The C++11 and C++14 compilers will issue deprecation warnings about `auto_ptr`. As `auto_ptr` support has been removed from C++17, you cannot build Exiv2 v0.27 with C++17 or later compilers._ Exiv2 v1.0 and later do not use `auto_ptr` and will require a compiler compliant with the C++11 Standard. -To build with C++11: +To build Exiv2 v0.27.X with C++11: ```bash -$ cd -$ mkdir build ; cd build -$ cmake .. -DCMAKE_CXX_STANDARD=11 -DCMAKE_CXX_FLAGS=-Wno-deprecated -$ make +cd +mkdir build ; cd build +cmake .. -DCMAKE_CXX_STANDARD=11 -DCMAKE_CXX_FLAGS=-Wno-deprecated +make ``` -The option -DCMAKE\_CXX\_STANDARD=11 specifies the C++ Language Standard. Possible values are 98, 11 or 14. +The option -DCMAKE\_CXX\_STANDARD=11 specifies the C++ Language Standard. Possible values are 98, 11, 14, 17 or 20. -The option -DCMAKE\_CXX\_FLAGS=-Wno-deprecated suppresses warnings from C++11 concerning auto\_ptr. The compiler will issue deprecation warnings about video, eps and ssh code in Exiv2 v0.27. This is intentional. These features of Exiv2 will not be available in Exiv2 v1.0. +The option -DCMAKE\_CXX\_FLAGS=-Wno-deprecated suppresses warnings from C++11 concerning `auto_ptr`. The compiler will issue deprecation warnings about video, eps and ssh code in Exiv2 v0.27. This is intentional. These features of Exiv2 will not be available in Exiv2 v1.0. **Caution:** Visual Studio users should not use -DCMAKE\_CXX\_FLAGS=-Wno-deprecated.