From f0a37743e1cdc00964e5577e0bdc4d996512febd Mon Sep 17 00:00:00 2001
From: Alexey Suhov <alexey.suhov@intel.com>
Date: Fri, 16 Oct 2020 21:03:46 +0300
Subject: [PATCH] [install_dependencies.sh] install latest cmake if current
 version is lower 3.13 (#2695)

* [install_dependencies.sh] install latest cmake if current version is lower 3.13

* add shellcheck for Ubuntu

* install python 2.7 for Ubuntu
---
 build-instruction.md                               |  6 +++---
 ...ependencies.sh => install_build_dependencies.sh | 23 ++++++++++++----------
 2 files changed, 16 insertions(+), 13 deletions(-)
 rename install_dependencies.sh => install_build_dependencies.sh (89%)

diff --git a/build-instruction.md b/build-instruction.md
index 801c6f5..9d16305 100644
--- a/build-instruction.md
+++ b/build-instruction.md
@@ -69,13 +69,13 @@ The software was validated on:
     cd openvino
     git submodule update --init --recursive
     ```
-2. Install build dependencies using the `install_dependencies.sh` script in the
+2. Install build dependencies using the `install_build_dependencies.sh` script in the
    project root folder.
    ```sh
-   chmod +x install_dependencies.sh
+   chmod +x install_build_dependencies.sh
    ```
    ```sh
-   ./install_dependencies.sh
+   ./install_build_dependencies.sh
    ```
 3. By default, the build enables the Inference Engine GPU plugin to infer models
    on your Intel® Processor Graphics. This requires you to
diff --git a/install_dependencies.sh b/install_build_dependencies.sh
similarity index 89%
rename from install_dependencies.sh
rename to install_build_dependencies.sh
index 8e9ea32..64b69bf 100755
--- a/install_dependencies.sh
+++ b/install_build_dependencies.sh
@@ -32,7 +32,6 @@ if [ -f /etc/lsb-release ]; then
     sudo -E apt update
     sudo -E apt-get install -y \
             build-essential \
-            cmake \
             curl \
             wget \
             libssl-dev \
@@ -46,6 +45,8 @@ if [ -f /etc/lsb-release ]; then
             automake \
             libtool \
             autoconf \
+            shellcheck \
+            python \
             libcairo2-dev \
             libpango1.0-dev \
             libglib2.0-dev \
@@ -101,13 +102,6 @@ elif [ -f /etc/redhat-release ]; then
     sudo -E yum install -y rh-python36
     source scl_source enable rh-python36
 
-    wget https://cmake.org/files/v3.12/cmake-3.12.3.tar.gz
-    tar xf cmake-3.12.3.tar.gz
-    cd cmake-3.12.3
-    ./configure
-    make -j16
-    sudo -E make install
-
     echo
     echo "FFmpeg is required for processing audio and video streams with OpenCV. Please select your preferred method for installing FFmpeg:"
     echo
@@ -135,7 +129,6 @@ elif [ -f /etc/os-release ] && grep -q "raspbian" /etc/os-release; then
     sudo -E apt update
     sudo -E apt-get install -y \
             build-essential \
-            cmake \
             curl \
             wget \
             libssl-dev \
@@ -166,4 +159,14 @@ elif [ -f /etc/os-release ] && grep -q "raspbian" /etc/os-release; then
     fi
 else
     echo "Unknown OS, please install build dependencies manually"
-fi
\ No newline at end of file
+fi
+
+# cmake 3.13 or higher is required to build OpenVINO
+current_cmake_version=$(cmake --version | sed -ne 's/[^0-9]*\(\([0-9]\.\)\{0,4\}[0-9][^.]\).*/\1/p')
+required_cmake_ver=3.13
+if [ ! "$(printf '%s\n' "$required_cmake_ver" "$current_cmake_version" | sort -V | head -n1)" = "$required_cmake_ver" ]; then
+    wget "https://github.com/Kitware/CMake/releases/download/v3.18.4/cmake-3.18.4.tar.gz"
+    tar xf cmake-3.18.4.tar.gz
+    (cd cmake-3.18.4 && ./bootstrap --parallel="$(nproc --all)" && make --jobs="$(nproc --all)" && sudo make install)
+    rm -rf cmake-3.18.4 cmake-3.18.4.tar.gz
+fi
-- 
2.7.4