mirror of https://github.com/pyodide/pyodide.git
Update README for building on Mac
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William Lachance
William Lachance
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README.md
18
README.md
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@ -49,8 +49,9 @@ this repository's [releases page](https://github.com/iodide-project/pyodide/rele
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### Building from source
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Building is easiest on Linux. For other platforms, we recommend using
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the Docker image (described below) to build Pyodide.
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Building is easiest on Linux and relatively straightforward on Mac. For
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Windows, we currently recommend using the Docker image (described below) to
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build Pyodide.
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Make sure the prerequisites for [emsdk](https://github.com/emscripten-core/emsdk) are
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installed. Pyodide will build a custom, patched version of emsdk, so there is no
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@ -65,6 +66,15 @@ Additional build prerequisites are:
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- [uglifyjs](https://github.com/mishoo/UglifyJS) to minify Javascript builds.
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- [ccache](https://ccache.samba.org) (optional) recommended for much faster rebuilds.
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On Mac, you will also need:
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- [Homebrew](https://brew.sh/) for installing dependencies
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- System libraries in the root directory (`sudo installer -pkg /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg -target /` should do it, see https://github.com/pyenv/pyenv/issues/1219#issuecomment-428305417)
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- coreutils for md5sum and other essential Unix utilities (`brew install coreutils`)
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- openssl (`brew install openssl`)
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- gfortran (`brew cask install gfortran`)
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- f2c: Install wget (`brew install wget`), and then run the buildf2c script from the root directory (`sudo ./tools/buildf2c`)
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#### Build using `make`
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After installing the build prerequisites, run from the command line:
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@ -76,7 +86,9 @@ make
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### Using Docker
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We provide a Debian-based Docker image on Docker Hub with the dependencies
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already installed to make it easier to build Pyodide.
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already installed to make it easier to build Pyodide. Note that building from
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the Docker image is *very* slow on Mac, building on the host machine is
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preferred if at all possible.
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1. Install Docker
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@ -0,0 +1,317 @@
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#!/bin/sh
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# Based on http://hpc.sourceforge.net/buildf2c with curl replaced by wget
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############################################################
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# This UNIX script builds the f2c FORTRAN --> C translator #
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# under Mac OS X. #
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# Make this script executable with "chmod +x buildf2c" #
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############################################################
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echo "==================================="
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echo "Build f2c FORTRAN --> C translator."
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echo "==================================="
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echo "USAGE: ./buildf2c"
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######################################
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# Set trap to allow abort on signal: #
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######################################
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trap 'echo "Interrupted by signal" >&2; exit' 1 2 3 15
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########################################################
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# 1. Download f2c source from Bell Labs. #
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# (Tar file is not visible - it's created on the fly.) #
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########################################################
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echo "--------------------------------------------"
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echo "1. Downloading f2c source from Bell Labs ..."
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echo "--------------------------------------------"
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# wget --passive-ftp ftp://netlib.bell-labs.com/netlib/f2c.tar
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wget http://netlib.sandia.gov/cgi-bin/netlib/netlibfiles.tar?filename=netlib/f2c -O "f2c.tar"
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echo "... done."
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#####################################
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# 2. Uncompress f2c tarred archive: #
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#####################################
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echo "-------------------------------"
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echo "2. Uncompressing f2c source ..."
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echo "-------------------------------"
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tar -xvf f2c.tar
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gunzip -rf f2c/*
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cd f2c
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unzip libf2c.zip -d libf2c
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cd ..
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echo "... done."
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###############################################################
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# 3. Prepare the unix makefiles for building the f2c library. #
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# Note: CC compiler switched from 'cc' to '/usr/bin/cc' #
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###############################################################
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echo "-------------------------------------------"
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echo "3. Preparing makefiles for building f2c ..."
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echo "-------------------------------------------"
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sed 's/CC = cc/CC = \/usr\/bin\/cc/' f2c/libf2c/makefile.u > f2c/libf2c/makefile
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sed 's/CC = cc/CC = \/usr\/bin\/cc/' f2c/src/makefile.u > f2c/src/makefile
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echo "... done."
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##########################################
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# 4. Create and install f2c header file. #
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# If you use a C++ compiler: make hadd #
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# Otherwise: make f2c.h #
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##########################################
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echo "----------------------------------------------------"
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echo "4. Creating and installing f2c header file f2c.h ..."
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echo "----------------------------------------------------"
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cd f2c/libf2c
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make f2c.h
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if test ! -d /usr/local/include; then
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mkdir -p /usr/local/include
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fi
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cp f2c.h /usr/local/include/
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echo "... done."
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################################################
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# 5. Create and install f2c library "libf2c.a" #
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################################################
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echo "-----------------------------------------------------"
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echo "5. Creating and installing f2c library "libf2c.a" ..."
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echo "-----------------------------------------------------"
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make
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if test ! -d /usr/local/lib; then
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mkdir -p /usr/local/lib
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fi
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cp libf2c.a /usr/local/lib/
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ranlib /usr/local/lib/libf2c.a
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echo "... done."
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######################################
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# 6. Make executable f2c translator: #
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######################################
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echo "---------------------------------------------"
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echo "6. Creating and installing f2c translator ..."
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echo "---------------------------------------------"
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cd ../src
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gcc -o xsum xsum.c
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make veryclean
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make f2c
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if test ! -d /usr/local/bin; then
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mkdir -p /usr/local/bin
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fi
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cp f2c /usr/local/bin/
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echo "... done."
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################################################################
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# 7. Install fc script: #
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# #
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# 1. Remove "-Olimit 2000" in the -O processing options within #
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# the 'fc' script. #
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# 2. Eliminate all references to the math library (-lm) in #
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# the script 'fc' since it is included the System framework #
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# and is linked by default under Mac OS X. #
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# 3. Eliminate '-u MAIN__' at the bottom of the 'fc' script. #
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# You will have to explitly load FORTRAN MAIN programs #
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# (explicitly mention the relevant .f or .o file). #
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################################################################
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echo "---------------------------"
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echo "7. Installing fc script ..."
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echo "---------------------------"
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cd ..
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mv fc fc.orig
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sed 's/ -Olimit 2000//g; s/ -lm//g; s/ -u MAIN__//g' fc.orig > fc
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chmod +x fc
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cp fc /usr/local/bin/
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echo "... done."
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#########################
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# 8. Install man pages: #
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#########################
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echo "---------------------------"
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echo "8. Installing man pages ..."
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echo "---------------------------"
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cp f2c.1t /usr/share/man/man1/f2c.1
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echo "... done."
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################
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# 9. Clean up: #
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################
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echo "------------------"
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echo "9. Cleaning up ..."
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echo "------------------"
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cd src
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make clean
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cd ../libf2c
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make clean
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cd ../..
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echo "... All done!"
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#############################################
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# 10. Test f2c on your FORTRAN source code: #
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#############################################
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echo "======================================================"
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echo "======================================================"
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echo "======================================================"
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echo " === To test f2c on your FORTRAN source code: ==="
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echo " === cd ~/wherever/your/code/is ==="
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echo " === 1. f2c myprog.f ==="
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echo " === cc -O -o myprog.exe myprog.c -lf2c ==="
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echo " === myprog.exe ==="
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echo " === 2. fc -O -w -o myprog.exe myprog.f ==="
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echo " === myprog.exe ==="
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echo "======================================================"
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echo "======================================================"
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echo "======================================================"
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exit
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