Add Docker reference build environment (#489)

* add first dockerfile

Author: scoopxyz

share/docker/dockerfile_centos7_gcc48

@@ -0,0 +1,76 @@
+#
+# Centos 7 Dockerfile for OCIO
+#
+
+# Pull base image
+FROM centos:7
+
+LABEL maintainer="sean@seancooper.xyz"
+
+# Install yum hosted dependencies
+RUN yum -y install epel-release && \
+    yum -y install gcc-c++ \
+    make \
+    cmake3 \
+    git \
+    wget \
+    bzip2 \
+    file \
+    which \
+    patch \
+    python-devel.x86_64 \
+    python-sphinx \
+    glew-devel \
+    java \
+    libtiff-devel \
+    zlib \
+    libpng-devel \
+    libjpeg-turbo-devel \
+    bzip2-devel \
+    freeglut-devel \
+    libXmu-devel \
+    libXi-devel && \
+    yum -y clean all
+    
+# Install Truelight library
+RUN mkdir /home/download && \
+    cd /home/download && \
+    wget -O truelight-4.0.7863_64.run --post-data 'access=public&download=truelight/4_0/truelight-4.0.7863_64.run&last_page=/support/customer-login/truelight_sp/truelight_40.php' https://www.filmlight.ltd.uk/resources/download.php && \
+    sh truelight-4.0.7863_64.run
+
+# Install Boost
+RUN cd /home/download && \
+    wget https://sourceforge.net/projects/boost/files/boost/1.61.0/boost_1_61_0.tar.gz && \
+    tar -xzf boost_1_61_0.tar.gz && \
+    cd boost_1_61_0 && \
+    sh bootstrap.sh && \
+    ./b2 install --prefix=/usr/local
+
+# Install OpenEXR
+RUN mkdir /home/git && \
+    cd /home/git && \
+    git clone https://github.com/openexr/openexr.git -b v2.2.1 && \
+    cd /home/git/openexr/IlmBase && \
+    mkdir /home/git/openexr/IlmBase/build && \
+    cd /home/git/openexr/IlmBase/build && \
+    cmake3 .. && \
+    make install -j2 && \
+    cd /home/git/openexr/OpenEXR && \
+    mkdir /home/git/openexr/OpenEXR/build && \
+    cd /home/git/openexr/OpenEXR/build && \
+    cmake3 -DILMBASE_PACKAGE_PREFIX=/usr/local .. && \
+    make install -j2
+
+# Install OIIO
+RUN cd /home/git && \
+    git clone https://github.com/OpenImageIO/oiio.git -b RB-1.7 && \
+    cd /home/git/oiio && \
+    mkdir build && \
+    cd /home/git/oiio/build && \
+    cmake3 .. && \
+    make install -j2
+
+# Remove cache
+RUN rm -rf /var/cache/yum && \
+    rm -R /home/git && \
+    rm -R /home/download