Skip to content

Latest commit

 

History

History
71 lines (49 loc) · 2.57 KB

build_package.md

File metadata and controls

71 lines (49 loc) · 2.57 KB
Raw

How to build a GCC installer for MacOS

These are my notes on how to build a gfortran / GCC installer for macOS. The goal is to obtain a nice Apple installer, that puts a complete GCC installation in /usr/local/gfortran. It then symlinks gfortran into /usr/local/bin.

The focus is on gfortran, as the Fortran community is a heavy user, because Apple's Xcode includes a nice C compiler (clang), but no Fortran compiler.

To build a package :

  • I work in a work directory called $ROOT
  • I have static GMP, MPFR, MPC and ISL libraries in $ROOT/deps. These can be take from the respective Homebrew packages, removing the shared libraries (*.dylib).

The steps are the following:

  1. Edit PATH to make sure I don't have custom software (Homebrew, Anaconda, texlive, /opt, etc.)

  2. Get the GCC sources (e.g. gcc-8.2.0.tar.xz), extract them to $ROOT/gcc-8.2.0. Create a $ROOT/build and go there.

  3. Configure the build:

../gcc-8.2.0/configure --prefix=/usr/local/gfortran --with-gmp=$ROOT/deps --enable-languages=c,c++,fortran,objc,obj-c++ --build=x86_64-apple-darwin16

On Mojave and later, the following flags need to be added:

--disable-multilib --with-native-system-header-dir=/usr/include --with-sysroot=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk

  1. Build by running make.

  2. Check that the build worked by running make check-gcc and make check-gfortran inside $ROOT/build/gcc. (Or run make check at the toplevel, but it needs additional dependencies, such as autogen.)

  3. Install with: DESTDIR=$ROOT/package make install

  4. Strip some binaries, remove some hard links:

cd $ROOT/package/usr/local/gfortran
rm bin/*-apple-darwin* bin/c++
strip bin/*
strip libexec/gcc/*/*/*1* libexec/gcc/*/*/*2
strip libexec/gcc/*/*/install-tools/fixincl
  1. Build a signed installer:
cd $ROOT
pkgbuild --root package --scripts package_resources --identifier com.gnu.gfortran --version 8.2.0 --install-location / --sign "Developer ID Installer: Francois-Xavier Coudert" gfortran.pkg

This requires a postinstall script inside package_resources/.

  1. Verify the signature: spctl --assess --type install gfortran.pkg, which should exit with status code 0.

  2. Create a DMG for the installer:

mkdir gfortran-8.2-Mojave
mv gfortran.pkg gfortran-8.2-Mojave/
cp package-README.html gfortran-8.2-Mojave/README.html
./mkdmg.pl gfortran-8.2-Mojave.dmg gfortran-8.2-Mojave/

During that step, look at the README.html file and update it if necessary!

  1. Cleanup!
rm -rf gfortran-8.2-Mojave/
rm -rf package/*/