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Set C standard to C11 #304

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Jun 20, 2023
Merged

Set C standard to C11 #304

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a8423f3
Set C standard to C11
LecrisUT Jun 19, 2023
20a8ac0
Document minimum C standard
LecrisUT Jun 19, 2023
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6 changes: 6 additions & 0 deletions CMakeLists.txt
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Expand Up @@ -23,6 +23,12 @@ if (NOT DEFINED Spglib_IS_TOP_LEVEL)
endif ()
endif ()

# Specify C standard. This can be overwritten using `-DCMAKE_C_STANDARD`
# https://discourse.cmake.org/t/cmake-lang-standard-and-fetchcontent-cache-variable-interaction/8348
set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_EXTENSIONS ON)

if (NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release)
endif ()
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5 changes: 5 additions & 0 deletions README.md
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Expand Up @@ -66,6 +66,11 @@ int main(void) {
}
```

## Requirements

- C standard: As of version 2.1.0, Spglib explicitly enforces a minimum standard of
[C11](https://en.cppreference.com/w/c/11)

## How to use Spglib

We currently only officially support conda and pip packaging of spglib, with plans
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5 changes: 5 additions & 0 deletions doc/index.md
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Expand Up @@ -28,6 +28,11 @@ The detailed algorithm of spglib is described the following text:
Atsushi Togo and Isao Tanaka,
<https://arxiv.org/abs/1808.01590> (written at version 1.10.4)

## Requirements

- C standard: As of version 2.1.0, Spglib explicitly enforces a minimum standard of
[C11](https://en.cppreference.com/w/c/11)

## Features

- Find symmetry operations
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