Add dependancies versions requirement

Author: Corentin Derbois

.appveyor.yml

@@ -14,16 +14,10 @@ environment:
     - MINICONDA: C:\Miniconda36-x64
       FFTW_INSTALL_MODE: conda-forge
       FFTW_ROOT:
-    - MINICONDA: C:\Miniconda36
-      FFTW_INSTALL_MODE: conda-forge
-      FFTW_ROOT:
       # fftw from the "official" fftw website build
     - MINICONDA: C:\Miniconda36-x64
       FFTW_INSTALL_MODE: official
       FFTW_ROOT: C:\fftw_download
-    - MINICONDA: C:\Miniconda36
-      FFTW_INSTALL_MODE: official
-      FFTW_ROOT: C:\fftw_download
 
 matrix:
   exclude:
@@ -42,12 +36,12 @@ install:
   - conda config --add channels conda-forge
   - conda update -q conda
   - conda info -a
-  - conda install xtensor
+  - conda install xtensor=0.21.2 -c conda-forge
   - IF "%FFTW_INSTALL_MODE%"=="official" ( Powershell.exe -File appveyor_install_fftw.ps1 ) ELSE IF "%FFTW_INSTALL_MODE%"=="conda-forge" ( conda install fftw )
   - cd %APPVEYOR_BUILD_FOLDER%
   - mkdir build
   - cd build
-  - cmake -G "NMake Makefiles" -DCMAKE_BUILD_TYPE=%CONFIGURATION% -DFFTW_ROOT=%FFTW_ROOT% -DCMAKE_INSTALL_PREFIX=%MINICONDA%\\Library -DBUILD_TESTS=ON -DDOWNLOAD_GTEST=ON ..
+  - cmake -G "NMake Makefiles" -DCMAKE_BUILD_TYPE=%CONFIGURATION% -DFFTW_ROOT=%FFTW_ROOT% -DCMAKE_INSTALL_PREFIX=%MINICONDA%\\Library -DDOWNLOAD_GTEST=ON ..
   - nmake test_xtensor-fftw
 
 before_build:

.travis.yml

@@ -148,15 +148,15 @@ install:
     - export PATH="$HOME/miniconda/bin:$PATH"
     - hash -r
     - conda update -yq conda
-    - conda install -y cmake xtl==0.6.7 xtensor=0.20.10 nlohmann_json=3.7.1 -c conda-forge
+    - conda install -y cmake xtl==0.6.9 xtensor=0.21.2 nlohmann_json=3.7.1 -c conda-forge
     - |
       if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
         conda install -y fftw -c conda-forge
       fi
     # Testing
     - mkdir $TRAVIS_BUILD_DIR/build
     - cd $TRAVIS_BUILD_DIR/build
-    - cmake -DBUILD_TESTS=ON -DDOWNLOAD_GTEST=ON -DCOVERAGE=$COVERAGE ..
+    - cmake -DDOWNLOAD_GTEST=ON -DCOVERAGE=$COVERAGE ..
     - make -j2 test_xtensor-fftw VERBOSE=1
     - if [[ "$COVERAGE" == "ON" ]]; then gem install coveralls-lcov; fi
 script:

CMakeLists.txt

@@ -65,12 +65,14 @@ set(CMAKE_CXX_EXTENSIONS NO)
 include_directories(${XTENSOR_FFTW_INCLUDE_DIR})
 
 # .. xtensor
-find_package(xtensor REQUIRED)
+set(xtensor_REQUIRED_VERSION 0.21.2)
+find_package(xtensor ${xtensor_REQUIRED_VERSION} REQUIRED)
 message(STATUS "Found xtensor: ${xtensor_INCLUDE_DIRS}/xtensor")
 include_directories(${xtensor_INCLUDE_DIRS})
 
 # .. xtl
-find_package(xtl REQUIRED)
+set(xtl_REQUIRED_VERSION 0.6.9)
+find_package(xtl ${xtl_REQUIRED_VERSION} REQUIRED)
 message(STATUS "Found xtl: ${xtl_INCLUDE_DIRS}/xtl")
 include_directories(${xtl_INCLUDE_DIRS})
 
@@ -163,4 +165,4 @@ configure_file(${PROJECT_NAME}.pc.in
         "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
         @ONLY)
 install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
-        DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig/")
+        DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig/")

README.md

@@ -46,6 +46,10 @@ make install
 * [FFTW](http://www.fftw.org/) version 3
 * A compiler supporting C++14
 
+| `xtensor-fftw` | `xtensor` | `xtl`   | `fftw`  |
+|----------------|-----------|---------|---------|
+|  master        | ^0.20.10  |  ^0.6.7 | ^3.3.8  |
+
 ## Usage
 
 _xtensor-fftw_ is a header-only library.