pantry/projects/openexr.com/imath/package.yml

distributable:
  url: https://github.com/AcademySoftwareFoundation/Imath/archive/refs/tags/v{{version}}.tar.gz
  strip-components: 1

# if there’s a github then we can parse the versions
versions:
  github: AcademySoftwareFoundation/Imath/tags # reads github tags from github
  strip: /^v/

build:
  dependencies:
    cmake.org: '*'
  script: |
    cmake -S . -B build $ARGS
    cmake --build build
    cmake --install build

    mv {{ prefix}}/include/Imath/* {{prefix}}/include
    rmdir {{ prefix}}/include/Imath
    ln -s . {{ prefix }}/include/Imath
  env:
    # add any environment variables here
    ARGS:
      - -DCMAKE_INSTALL_PREFIX={{prefix}}
      - -DCMAKE_BUILD_TYPE=Release

test:
  dependencies:
    gnu.org/gcc: '*'  # libstdc++
  fixture: |
    #include <ImathRoots.h>
    #include <algorithm>
    #include <iostream>
    int main(int argc, char *argv[])
    {
      double x[2] = {0.0, 0.0};
      int n = IMATH_NAMESPACE::solveQuadratic(1.0, 3.0, 2.0, x);
      if (x[0] > x[1])
        std::swap(x[0], x[1]);
      std::cout << n << ", " << x[0] << ", " << x[1] << "\n";
    }
  script: |
    mv $FIXTURE foo.cc
    g++ -std=c++11 -lImath foo.cc 
    ./a.out