Updated README.

[fw/cortex-toolchain] / summon-arm-toolchain

diff --git a/summon-arm-toolchain b/summon-arm-toolchain
index 9eeceb15509d37e6deafe42d65f0fc389de4df8a..f1ddff04fa21a80dcc6e93ee49873c8aafe77851 100755 (executable)
--- a/summon-arm-toolchain
+++ b/summon-arm-toolchain
@@ -8,10 +8,16 @@
 # apt-get install flex bison libgmp3-dev libmpfr-dev libncurses5-dev \
 # libmpc-dev autoconf texinfo build-essential
 #
+# Or on Ubuntu Maverick give `apt-get build-dep gcc-4.5` a try.
+#
 
 # Stop if any command fails
 set -e
 
+##############################################################################
+# Settings section
+# You probably want to customize those
+##############################################################################
 TARGET=arm-none-eabi           # Or: TARGET=arm-elf
 PREFIX=${HOME}/arm-none-eabi   # Install location of your final toolchain
 PARALLEL=                      # Or: PARALLEL="-j 5" for 4 CPUs
@@ -19,17 +25,30 @@ DARWIN_OPT_PATH=/opt/local  # Path in which MacPorts or Fink is installed
 # Set to 'sudo' if you need superuser privileges while installing
 SUDO=
 # Set to 1 to be quieter while running
-QUIET=1
-
-# For FSF GCC:
-GCCVERSION=4.5.1
-GCC=gcc-${GCCVERSION}
-GCCURL=http://ftp.gnu.org/gnu/gcc/${GCC}/${GCC}.tar.gz
-
-# For the Linaro GCC:
-# GCCVERSION=4.5-2010.08-1
-# GCC=gcc-linaro-${GCCVERSION}
-# GCCURL=http://launchpad.net/gcc-linaro/4.5/${GCCVERSION}/+download/${GCC}.tar.gz
+QUIET=0
+# Set to 1 to use linaro gcc instead of the FSF gcc
+USE_LINARO=0
+# Set to 1 to build libstm32 provided by ST
+LIBSTM32_EN=0
+# Set to 1 to build libopenstm32 an open source library for stm32
+LIBOPENSTM32_EN=0
+# Make the gcc default to Cortex-M3
+DEFAULT_TO_CORTEX_M3=0
+
+##############################################################################
+# Version and download url settings section
+##############################################################################
+if [ ${USE_LINARO} == 0 ] ; then
+       # For FSF GCC:
+       GCCVERSION=4.5.1
+       GCC=gcc-${GCCVERSION}
+       GCCURL=http://ftp.gnu.org/gnu/gcc/${GCC}/${GCC}.tar.gz
+else
+       # For the Linaro GCC:
+       GCCVERSION=4.5-2010.08-1
+       GCC=gcc-linaro-${GCCVERSION}
+       GCCURL=http://launchpad.net/gcc-linaro/4.5/${GCCVERSION}/+download/${GCC}.tar.gz
+fi
 
 BINUTILS=binutils-2.20
 NEWLIB=newlib-1.18.0
@@ -38,12 +57,25 @@ LIBCMSIS=v1.10-2
 LIBSTM32=v3.0.0-1
 LIBSTM32USB=v3.0.1-1
 LIBOPENSTM32=master
-LIBSTM32_EN=0
-LIBOPENSTM32_EN=0
 
-SUMMON_DIR=$(pwd)
-SOURCES=${SUMMON_DIR}/sources
-STAMPS=${SUMMON_DIR}/stamps
+##############################################################################
+# Flags section
+##############################################################################
+
+GDBFLAGS=
+BINUTILFLAGS=
+
+if [ ${DEFAULT_TO_CORTEX_M3} == 0 ] ; then
+       GCCFLAGS=
+else
+       # To default to the Cortex-M3:
+       GCCFLAGS="--with-arch=armv7-m --with-mode=thumb"
+fi
+
+# Pull in the local configuration, if any
+if [ -f local.sh ]; then
+    . ./local.sh
+fi
 
 MAKEFLAGS=${PARALLEL}
 TARFLAGS=v
@@ -55,12 +87,14 @@ fi
 
 export PATH="${PREFIX}/bin:${PATH}"
 
-GCCFLAGS=
-GDBFLAGS=
-BINUTILFLAGS=
+SUMMON_DIR=$(pwd)
+SOURCES=${SUMMON_DIR}/sources
+STAMPS=${SUMMON_DIR}/stamps
 
-# To default to the Cortex-M3:
-# GCCFLAGS="--with-arch=armv7-m --with-mode=thumb"
+##############################################################################
+# Building section
+# You probably don't have to touch anything after this
+##############################################################################
 
 # Fetch a versioned file from a URL
 function fetch {