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| author | David 'Digit' Turner <digit@android.com> | 2011-05-10 12:58:05 +0200 |
|---|---|---|
| committer | David 'Digit' Turner <digit@android.com> | 2011-06-01 16:20:26 +0200 |
| commit | c3b08a0914def3f380aa57bbcb3937315ce15ceb (patch) | |
| tree | b60b27f9baaf1618c17fd182e6b9982ee4c99583 /android-rebuild.sh | |
| parent | 826b985e543e12f83c396922d9c6562050e0f9f6 (diff) | |
| download | external_qemu-c3b08a0914def3f380aa57bbcb3937315ce15ceb.zip external_qemu-c3b08a0914def3f380aa57bbcb3937315ce15ceb.tar.gz external_qemu-c3b08a0914def3f380aa57bbcb3937315ce15ceb.tar.bz2 | |
android-rebuild.sh: Better parallel builds.
This patch computes the number of CPUs on the host to
automatically used it with 'make -j<number>'.
Change-Id: If4e2d8b159662f5b7f02e8e48447b9916e7051b2
Diffstat (limited to 'android-rebuild.sh')
| -rwxr-xr-x | android-rebuild.sh | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/android-rebuild.sh b/android-rebuild.sh index 136ccc9..d4bdc0a 100755 --- a/android-rebuild.sh +++ b/android-rebuild.sh @@ -6,8 +6,22 @@ # assume that the device tree is in TOP # +case $(uname -s) in + Linux) + HOST_NUM_CPUS=`cat /proc/cpuinfo | grep processor | wc -l` + ;; + Darwin|FreeBsd) + HOST_NUM_CPUS=`sysctl -n hw.ncpu` + ;; + CYGWIN*|*_NT-*) + HOST_NUM_CPUS=$NUMBER_OF_PROCESSORS + ;; + *) # let's play safe here + HOST_NUM_CPUS=1 +esac + cd `dirname $0` -./android-configure.sh $* && \ -make clean && \ -make -j4 && \ +rm -rf objs && +./android-configure.sh $@ && +make -j$HOST_NUM_CPUS && echo "Done. !!" |