use newlib options from jsnyder's arm-eabi-toolchain

[summon-arm-toolchain.git] / summon-arm-toolchain

diff --git a/summon-arm-toolchain b/summon-arm-toolchain
index 151e77611cb21349a24b0458eca39f6bfa8fa9a6..a4d501ef90684f1ff4c58d5c11cc7b1f661712ef 100755 (executable)
--- a/summon-arm-toolchain
+++ b/summon-arm-toolchain
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # Written by Uwe Hermann <uwe@hermann-uwe.de>, released as public domain.
 # Modified by Piotr Esden-Tempski <piotr@esden.net>, released as public domain.
 
@@ -13,7 +13,7 @@ set -e
 # Settings section
 # You probably want to customize those
 ##############################################################################
-TARGET=arm-eabi                # Or: TARGET=arm-elf
+TARGET=arm-none-eabi           # Or: TARGET=arm-elf
 [ -z $PREFIX ] && PREFIX=${HOME}/arm   # Install location of your final toolchain
 [ -z $WORKDIR ] && WORKDIR=$PREFIX/work     #temporary directory
 PARALLEL=                      # Or: PARALLEL="-j 5" for 4 CPUs
@@ -22,7 +22,9 @@ SUDO=''
 # Set to 1 to be quieter while running
 QUIET=0
 # Set to 1 to use linaro gcc instead of the FSF gcc
-USE_LINARO=1
+USE_LINARO=0
+# Set to 1 to enable C++
+USE_CPP=0
 # Set to 1 to enable building of OpenOCD
 OOCD_EN=0
 # Set to 1 to build libstm32 provided by ST
@@ -35,12 +37,17 @@ DEFAULT_TO_CORTEX_M3=1
 ##############################################################################
 # Version and download url settings section
 ##############################################################################
-if [ ${USE_LINARO} == 0 ] ; then
+if [ ${USE_LINARO} = 0 ] ; then
        # For FSF GCC:
        GCCVERSION=4.6.1
-       GCC=gcc-core-${GCCVERSION}
-        GCCDIR=gcc-${GCCVERSION}
-       GCCURL=http://ftp.gnu.org/gnu/gcc/${GCCDIR}/${GCC}.tar.gz
+        if [ ${USE_CPP} = 0 ]; then
+            GCC=gcc-core-${GCCVERSION}
+            GCCDIR=gcc-${GCCVERSION}
+        else
+            GCC=gcc-${GCCVERSION}
+            GCCDIR=${GCC}
+        fi
+        GCCURL=http://ftp.gnu.org/gnu/gcc/${GCCDIR}/${GCC}.tar.bz2
 else
        # For the Linaro GCC:
        GCCRELEASE=4.6-2011.07
@@ -74,7 +81,7 @@ echo "${CPUS} cpu's detected running make with '${PARALLEL}' flag"
 GDBFLAGS=
 BINUTILFLAGS=
 
-if [ ${DEFAULT_TO_CORTEX_M3} == 0 ] ; then
+if [ ${DEFAULT_TO_CORTEX_M3} = 0 ] ; then
        GCCFLAGS=
 else
        # To default to the Cortex-M3:
@@ -155,7 +162,7 @@ esac
 ##############################################################################
 
 # Fetch a versioned file from a URL
-function fetch {
+fetch() {
     if [ ! -e ${STAMPS}/$1.fetch ]; then
         log "Downloading $1 sources..."
         wget -c $2
@@ -164,14 +171,14 @@ function fetch {
 }
 
 # Log a message out to the console
-function log {
+log() {
     echo "******************************************************************"
     echo "* $*"
     echo "******************************************************************"
 }
 
 # Unpack an archive
-function unpack {
+unpack() {
     log Unpacking $*
     # Use 'auto' mode decompression.  Replace with a switch if tar doesn't support -a
     ARCHIVE=$(ls ${SOURCES}/$1.tar.*)
@@ -194,7 +201,7 @@ function unpack {
 }
 
 # Install a build
-function install {
+install() {
     log $1
     ${SUDO} make ${MAKEFLAGS} $2 $3 $4 $5 $6 $7 $8
 }
@@ -331,6 +338,8 @@ if [ ! -e ${STAMPS}/${NEWLIB}.build ]; then
     unpack ${NEWLIB}
     cd build
     log "Configuring ${NEWLIB}"
+    # configuration options and flags partially
+    # from https://github.com/jsnyder/arm-eabi-toolchain
     ../${NEWLIB}/configure --target=${TARGET} \
                          --prefix=${PREFIX} \
                          --enable-interwork \
@@ -340,9 +349,13 @@ if [ ! -e ${STAMPS}/${NEWLIB}.build ]; then
                          --disable-nls \
                          --disable-werror \
                          --disable-newlib-supplied-syscalls \
+                         --disable-shared \
+                         --disable-nls \
+                         --disable-libgloss \
                         --with-float=soft
     log "Building ${NEWLIB}"
-    make ${MAKEFLAGS} CFLAGS_FOR_TARGET="-msoft-float" CCASFLAGS="-msoft-float"
+    NEWLIB_FLAGS="-ffunction-sections -fdata-sections -DPREFER_SIZE_OVER_SPEED -D__OPTIMIZE_SIZE__ -Os -fomit-frame-pointer -fno-unroll-loops -D__BUFSIZ__=256 -mabi=aapcs"
+    make ${MAKEFLAGS} CFLAGS_FOR_TARGET="${NEWLIB_FLAGS}" CCASFLAGS="${NEWLIB_FLAGS}"
     install ${NEWLIB} install
     cd ..
     log "Cleaning up ${NEWLIB}"
@@ -355,11 +368,11 @@ if [ ! -e ${STAMPS}/${GCC}.build ]; then
     unpack ${GCC}
     cd build
     log "Configuring ${GCC}"
+    [ ${USE_CPP} = 1 ] && GCCFLAGS="--enable-languages='c,c++' ${GCCFLAGS}"
     ../${GCCDIR}/configure --target=${TARGET} \
                       --prefix=${PREFIX} \
                       --enable-interwork \
                       --enable-multilib \
-                      --enable-languages="c,c++" \
                       --with-newlib \
                       --disable-shared \
                       --with-gnu-as \
@@ -483,7 +496,7 @@ if [ ! -e ${STAMPS}/libopenstm32-${LIBOPENSTM32}.build ]; then
 fi
 fi
 
-if [ ${SUMMON_DIR_CREATED} == 1 ]; then
+if [ ${SUMMON_DIR_CREATED} = 1 ]; then
     log "Removing work directory"
     rm -rf ${SUMMON_DIR}
 fi