PARALLEL flag is now being set automatically based on available host cpu's.
[fw/cortex-toolchain] / summon-arm-toolchain
index f4e7c47fff3858def73f55c4ea4679d529fd5bec..fe9e58ad4049f248c2e9b743ff79f943efdd2704 100755 (executable)
@@ -20,7 +20,6 @@ set -e
 ##############################################################################
 TARGET=arm-none-eabi           # Or: TARGET=arm-elf
 PREFIX=${HOME}/sat     # Install location of your final toolchain
-PARALLEL=                      # Or: PARALLEL="-j 5" for 4 CPUs
 DARWIN_OPT_PATH=/opt/local     # Path in which MacPorts or Fink is installed
 # Set to 'sudo' if you need superuser privileges while installing
 SUDO=
@@ -62,6 +61,10 @@ LIBOPENSTM32=master
 # Flags section
 ##############################################################################
 
+CPUS=$(getconf _NPROCESSORS_ONLN)
+PARALLEL=-j$((CPUS + 1))
+echo "${CPUS} cpu's detected running make with '${PARALLEL}' flag"
+
 GDBFLAGS=
 BINUTILFLAGS=
 
@@ -69,7 +72,7 @@ if [ ${DEFAULT_TO_CORTEX_M3} == 0 ] ; then
        GCCFLAGS=
 else
        # To default to the Cortex-M3:
-       GCCFLAGS="--with-arch=armv7-m --with-mode=thumb"
+       GCCFLAGS="--with-arch=armv7-m --with-mode=thumb --with-float=soft"
 fi
 
 # Pull in the local configuration, if any
@@ -291,9 +294,10 @@ if [ ! -e ${STAMPS}/${NEWLIB}.build ]; then
                          --with-gnu-ld \
                          --disable-nls \
                          --disable-werror \
-                         --disable-newlib-supplied-syscalls
+                         --disable-newlib-supplied-syscalls \
+                        --with-float=soft
     log "Building ${NEWLIB}"
-    make ${MAKEFLAGS}
+    make ${MAKEFLAGS} CFLAGS_FOR_TARGET="-msoft-float" CCASFLAGS="-msoft-float"
     install ${NEWLIB} install
     cd ..
     log "Cleaning up ${NEWLIB}"
@@ -348,7 +352,7 @@ if [ ! -e ${STAMPS}/${GDB}.build ]; then
 fi
 
 if [ ${LIBSTM32_EN} != 0 ]; then
-if [ ! -e .libcmsis-${LIBCMSIS}.build ]; then
+if [ ! -e ${STAMPS}/libcmsis-${LIBCMSIS}.build ]; then
     unpack libcmsis-${LIBCMSIS}
     cd libcmsis-${LIBCMSIS}
     log "Building libcmsis-${LIBCMSIS}"
@@ -356,11 +360,11 @@ if [ ! -e .libcmsis-${LIBCMSIS}.build ]; then
     install libcmsis-${LIBCMSIS} arch_prefix=${TARGET} prefix=${PREFIX} install
     cd ..
     log "Cleaning up libcmsis-${LIBCMSIS}"
-    touch .libcmsis-${LIBCMSIS}.build
+    touch ${STAMPS}/libcmsis-${LIBCMSIS}.build
     rm -rf libcmsis-${LIBCMSIS}
 fi
 
-if [ ! -e .libstm32-${LIBSTM32}.build ]; then
+if [ ! -e ${STAMPS}/libstm32-${LIBSTM32}.build ]; then
     unpack libstm32-${LIBSTM32}
     cd libstm32-${LIBSTM32}
     log "Building libstm32-${LIBSTM32}"
@@ -368,11 +372,11 @@ if [ ! -e .libstm32-${LIBSTM32}.build ]; then
     install libstm32-${LIBSTM32} arch_prefix=${TARGET} prefix=${PREFIX} install
     cd ..
     log "Cleaning up libstm32-${LIBSTM32}"
-    touch .libstm32-${LIBSTM32}.build
+    touch ${STAMPS}/libstm32-${LIBSTM32}.build
     rm -rf libstm32-${LIBSTM32}
 fi
 
-if [ ! -e .libstm32usb-${LIBSTM32USB}.build ]; then
+if [ ! -e ${STAMPS}/libstm32usb-${LIBSTM32USB}.build ]; then
     unpack libstm32usb-${LIBSTM32USB}
     cd libstm32usb-${LIBSTM32USB}
     log "Building libstm32usb-${LIBSTM32USB}"
@@ -380,12 +384,13 @@ if [ ! -e .libstm32usb-${LIBSTM32USB}.build ]; then
     install libstm32usb-${LIBSTM32USB} arch_prefix=${TARGET} prefix=${PREFIX} install
     cd ..
     log "Cleaning up libstm32usb-${LIBSTM32USB}"
-    touch .libstm32usb-${LIBSTM32USB}.build
+    touch ${STAMPS}/libstm32usb-${LIBSTM32USB}.build
     rm -rf libstm32usb-${LIBSTM32USB}
 fi
 fi
 
 if [ $LIBOPENSTM32_EN != 0 ]; then
+if [ ! -e ${STAMPS}/libopenstm32-${LIBOPENSTM32}.build ]; then
     unpack libopenstm32-${LIBOPENSTM32}
     cd libopenstm32-${LIBOPENSTM32}
     log "Building libopenstm32-${LIBOPENSTM32}"
@@ -393,6 +398,7 @@ if [ $LIBOPENSTM32_EN != 0 ]; then
     install libopenstm32-${LIBOPENSTM32} PREFIX=${TARGET} DESTDIR=${PREFIX} install
     cd ..
     log "Cleaning up libopenstm32-${LIBOPENSTM32}"
-    touch .libopenstm32-${LIBOPENSTM32}.build
+    touch ${STAMPS}/libopenstm32-${LIBOPENSTM32}.build
     rm -rf libopenstm32-${LIBOPENSTM32}
 fi
+fi