Compilation OS added

Added MacOS and Red Hat

compilation/macos_compilation.md

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+MacOS compilation
+==================
+
+*This tutorial has been tested under MacOS High Sierra 10.13.4*
+
+Clone the [OpenFPGA git repository:](https://github.com/LNIS-Projects/OpenFPGA)
+
+`git clone https://github.com/LNIS-Projects/OpenFPGA.git `
+
+[//todo]: # (There is a submodule in the repository so move to the OpenFPGA directory and clone that too:)
+
+[//]: # (`git submodule init`)
+
+[//todo]: # (`git submodule update`)
+
+Go to the `VPR` directory and build the tool:
+
+`cd ./OpenFPGA/vpr7_x2p/vpr/`
+
+Note: the graphical interface might not be usable since it requires the X11 library. In this case, open the Makefile and change the line 10 "ENABLE_GRAPHICS = true" to false.
+
+`make `
+
+This will generate vpr and a libvpr.a file.
+
+Enhancements of VPR were made.
+In order to see them just type:
+
+`./vpr`
+
+This will show the different options that can be used. Our modifications concern the options starting with fpga_spice and fpga_verilog.
+
+A script is already prepared in the folder to test FPGA-SPICE:
+
+`./go.sh`
+
+This script uses the enhanced version of vpr with some new options such as --fpga_spice_print_top_testbench which automatically generates a testbench for the full FPGA and --fpga_verilog_dir which allows us to choose the destination directory for the verilog output we generate.
+For more informations on how the new commands work, please visit [OpenFPGA Options FPGA-SPICE](https://openfpga.readthedocs.io/en/latest/fpga_spice/command_line_usage.html).
+
+As a result, we get a new folder, /verilog_test, which contains the verilog code. The name_top.v contains the full FPGA we just created. Three other folders are created, *lb*, *routing* and *sub_modules*. *lb* contains the different CLBs used in the architecture. *routing* contains the different connection blocks, the switch boxes and the wires. *sub_modules* contains the different modules needed in the architecture.

compilation/red_hat_compilation.md

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+Red Hat compilation
+==================
+
+*This tutorial has been tested under Red Hat 7.5*
+
+Clone the [OpenFPGA git repository:](https://github.com/LNIS-Projects/OpenFPGA)
+
+`git clone https://github.com/LNIS-Projects/OpenFPGA.git `
+
+[//todo]: # (There is a submodule in the repository so move to the OpenFPGA directory and clone that too:)
+
+[//]: # (`git submodule init`)
+
+[//todo]: # (`git submodule update`)
+
+Go to the `VPR` directory and build the tool:
+
+`cd ./OpenFPGA/vpr7_x2p/vpr/`
+
+Note: the graphical interface might not be usable since it requires the X11 library. In this case, open the Makefile and change the line 10 "ENABLE_GRAPHICS = true" to false.
+
+`make `
+
+This will generate vpr and a libvpr.a file.
+
+Enhancements of VPR were made.
+In order to see them just type:
+
+`./vpr`
+
+This will show the different options that can be used. Our modifications concern the options starting with fpga_spice and fpga_verilog.
+
+A script is already prepared in the folder to test FPGA-SPICE:
+
+`./go.sh`
+
+This script uses the enhanced version of vpr with some new options such as --fpga_spice_print_top_testbench which automatically generates a testbench for the full FPGA and --fpga_verilog_dir which allows us to choose the destination directory for the verilog output we generate.
+For more informations on how the new commands work, please visit [OpenFPGA Options FPGA-SPICE](https://openfpga.readthedocs.io/en/latest/fpga_spice/command_line_usage.html).
+
+As a result, we get a new folder, /verilog_test, which contains the verilog code. The name_top.v contains the full FPGA we just created. Three other folders are created, *lb*, *routing* and *sub_modules*. *lb* contains the different CLBs used in the architecture. *routing* contains the different connection blocks, the switch boxes and the wires. *sub_modules* contains the different modules needed in the architecture.