146 lines
4.8 KiB
Text
146 lines
4.8 KiB
Text
Below are the build instructions for Arch Linux over the Raspberry Pi
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These instructions assume that your Arch Linux installation is up and running on
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the Raspberry Pi with full network access. If not, please visit the following
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Web sites for further instructions. As always, Google will also be your friend.
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https://www.raspberrypi.org/documentation/
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https://wiki.archlinux.org/index.php/Raspberry_Pi
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* Update your Arch Linux installation:
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sudo pacman -Syu
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* Install required packages:
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pacman -S git gcc cmake bison flex make openmpi --needed base-devel
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* Create the foam-extend installation directory:
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These instructions assume that you install in the default location, which is
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~/foam/ . Create this folder with:
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mkdir ~/foam
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* Obtain and unpack source code (if you read this, you probably already have):
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The recommended way is to get the source code through git source code
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management system. This way, you can get updates and bugfixes easily by running
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"git pull". To install into the default location run:
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cd ~/foam
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git clone git://git.code.sf.net/p/foam-extend/foam-extend-3.2
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* For Arch Linux, you need to customize your file etc/prefs.sh in order to enable
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the usage of system-provided packages, and to enable the compilation of other.
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Here is a list of commands that will do just that. You can copy/paste
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the following block of commands in a control terminal in order to make
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the necessary adjustments. You will need to be located at the root of your
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foam-extend-3.2 installation for those commands to work.
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### - Start to copy commands here ###########################################
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#
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cd ~/foam/foam-extend-3.2
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# Create a prefs.sh file
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cp etc/prefs.sh-EXAMPLE etc/prefs.sh
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# Create a patch file
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cat <<'EOF' >> patch.txt
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--- etc/prefs.sh-EXAMPLE 2015-11-23 22:54:50.341631348 -0500
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+++ etc/prefs.sh 2015-12-05 13:31:02.967676779 -0500
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@@ -36,7 +36,7 @@
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# Specify system compiler
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# ~~~~~~~~~~~~~~~~~~~~~~~
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-#compilerInstall=System
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+compilerInstall=System
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#compilerInstall=FOAM
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# Specify system openmpi
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@@ -46,14 +46,14 @@
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# The other openmpi related variables will be initialized using
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# the command mpicc --showme:
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#
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-#export WM_MPLIB=SYSTEMOPENMPI
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-#export OPENMPI_DIR=path_to_system_installed_openmpi
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-#export OPENMPI_BIN_DIR=$OPENMPI_DIR/bin
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-#
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-#export OPENMPI_LIB_DIR="`$OPENMPI_BIN_DIR/mpicc --showme:libdirs`"
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-#export OPENMPI_INCLUDE_DIR="`$OPENMPI_BIN_DIR/mpicc --showme:incdirs`"
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-#export OPENMPI_COMPILE_FLAGS="`$OPENMPI_BIN_DIR/mpicc --showme:compile`"
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-#export OPENMPI_LINK_FLAGS="`$OPENMPI_BIN_DIR/mpicc --showme:link`"
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+export WM_MPLIB=SYSTEMOPENMPI
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+export OPENMPI_DIR=/usr
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+export OPENMPI_BIN_DIR=$OPENMPI_DIR/bin
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+#
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+export OPENMPI_LIB_DIR="`$OPENMPI_BIN_DIR/mpicc --showme:libdirs`"
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+export OPENMPI_INCLUDE_DIR="`$OPENMPI_BIN_DIR/mpicc --showme:incdirs`"
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+export OPENMPI_COMPILE_FLAGS="`$OPENMPI_BIN_DIR/mpicc --showme:compile`"
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+export OPENMPI_LINK_FLAGS="`$OPENMPI_BIN_DIR/mpicc --showme:link`"
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# Specify system installed ThirdParty packages/libraries
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# NB: The packages installed under $WM_THIRD_PARTY_DIR
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@@ -201,7 +201,6 @@
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# For AllMake.stage1
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#export WM_THIRD_PARTY_USE_GCC_492=1
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#export WM_THIRD_PARTY_USE_GCC_484=1
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-#export WM_THIRD_PARTY_USE_GCC_474=1
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#export WM_THIRD_PARTY_USE_GCC_463=1
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#export WM_THIRD_PARTY_USE_GCC_451=1
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#export WM_THIRD_PARTY_USE_GCC_445=1
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@@ -209,7 +208,8 @@
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#export WM_THIRD_PARTY_USE_M4_1416=1
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#export WM_THIRD_PARTY_USE_BISON_27=1
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#export WM_THIRD_PARTY_USE_FLEX_2535=1
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-export WM_THIRD_PARTY_USE_CMAKE_322=1
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+#export WM_THIRD_PARTY_USE_CMAKE_322=1
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+unset WM_THIRD_PARTY_USE_CMAKE_322
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#
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# For AllMake.stage2
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EOF
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# Patch the file prefs.sh
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patch -p0 < patch.txt
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# Cleanup
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rm patch.txt
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# You are done
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#
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### - Stop to copy commands here ###########################################
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############################################################################
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* Set environment variables:
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cd ~/foam/foam-extend-3.2
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. etc/bashrc
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* Before compiling on the Raspberry Pi 2:
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Even though the Raspberry Pi2 has a more onboard RAM memory (1 GB), it cannot
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compile some parts of foam-extend in parallel without borrowing some virtual
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memory (swap). Depending on your system configuration and the amount of enabled
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services on your Raspberry Pi, you might even ran out of memory completely. So
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it is recommended not to compile foam-extend in parallel unless you keep an eye
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regularly on the compilation process and adjust your environment variable
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WM_NCOMPPROCS accordingly so you can compile some libraries/applications in
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parallel and some others using just 1 core.
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export WM_NCOMPPROCS=1 # or maybe 2
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* Compile:
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# This will take a very long time but it will compile completely
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./Allwmake.firstInstall
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* Create user directory:
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mkdir -p $FOAM_RUN
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And you are ready to start.
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