updates installation instructions for macos bigsur

diff --git a/deal.II-toolchain/platforms/supported/macos_bigsur.platform b/deal.II-toolchain/platforms/supported/macos_bigsur.platform
index b4c4116bdfa6c65f80bd3be3d1e65c919bf45927..95802d35b7c906f1fd640ace51e15bbefc0accca 100644 (file)
--- a/deal.II-toolchain/platforms/supported/macos_bigsur.platform
+++ b/deal.II-toolchain/platforms/supported/macos_bigsur.platform
@@ -1,38 +1,32 @@
-# macOS Big Sur (11.4)
+# macOS Big Sur (11.4, 11.5)
 #
 # macOS support is experimental and requires:
-# - a recent version of xcode with command line tools
-# - openmpi installed using homebrew and
-# - cmake
+# - xcode with command line tools
+# - cmake, gfortran, openmpi
 #
-# Detailed Installation Notes:
-# - install Xcode from AppStore, open it and accept the license.
+# Detailed Installation Notes
+# - Install Xcode from AppStore, open it and accept the license.
 # - Open Terminal, and install Xcode command line tools via
-# $ xcode-select --install
+#   xcode-select --install
+#
 # and then run
-# $ xcodebuild -license
-# to accept the license.
+#   xcodebuild -license
+#
+# and accept the license
 #
 # Install Homebrew in a Terminal via
-# $ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
+#   /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
 #
 # Install the following via Homebrew
-# $ brew install cmake
-# $ brew install openmpi
-#
-# Put the following definitions into your bashrc to use gcc (instead of apple clang):
-#   export OMPI_CXX=g++-9
-#   export OMPI_CC=gcc-9
-#   export OMPI_FC=gfortran-9
-#
-# (Optional) Install the following via Homebrew
-# $ brew install wget
-# $ brew install gnuplot
+#   brew install cmake
+#   brew install gcc@11
+#   brew install openmpi
 #
-# $ brew install bash
-# and follow the shell activation notes.
+# Export compiler environment
+#   export OMPI_CC=gcc-11; export OMPI_CXX=g++-11
+#   export OMPI_FC=gfortran-11
+#   export CC=mpicc; export CXX=mpicxx; export FC=mpifort; export FF=mpifort
 #
-# $ brew install modules
-# and follow the activation notes to use the modulefile configuration.
+# Run candi again!
 #
 ##