Use "getconf _NPROCESSORS_ONLN" instead of hardcoding -j4

Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>

diff --git a/alpine-dom0/build-linux/build.docker b/alpine-dom0/build-linux/build.docker
index 1b8d6cefb24f33741ee2d1ab24917efeaaaa39b8..062df257ef6722f93d6132cdb503234f7f2f1f52 100644 (file)
--- a/alpine-dom0/build-linux/build.docker
+++ b/alpine-dom0/build-linux/build.docker
@@ -18,7 +18,7 @@ curl -fsSLO https://www.kernel.org/pub/linux/kernel/v4.x/linux-$LINUX_VERSION.ta
 tar xvJf linux-$LINUX_VERSION.tar.xz && \
 cd linux-$LINUX_VERSION && \
 cp $SOURCE_DIR/linux-config .config && \
-make -j 4 && \
+make -j "$(getconf _NPROCESSORS_ONLN)" && \
 cp arch/x86/boot/bzImage $OUT_DIR/boot/kernel
 
 ENTRYPOINT ["/bin/sh"]

diff --git a/alpine-dom0/build-qemu/build.docker b/alpine-dom0/build-qemu/build.docker
index 0cbd0f4d4c861eda7feb77b77ce241c50892d0e5..bcd4c863465676c6528e730fc73e874f99f27c47 100644 (file)
--- a/alpine-dom0/build-qemu/build.docker
+++ b/alpine-dom0/build-qemu/build.docker
@@ -25,7 +25,7 @@ export INST_DIR=$OUT_DIR && \
         --extra-ldflags="-L$INST_DIR/usr/lib -Wl,-rpath-link=$INST_DIR/usr/lib \
                          -L$INST_DIR/usr/lib64 -Wl,-rpath-link=$INST_DIR/usr/lib64" \
         --disable-kvm --enable-virtfs --disable-werror && \
-make -j 4 && \
+make -j "$(getconf _NPROCESSORS_ONLN)" && \
 mkdir -p DESTDIR=$OUT_DIR/qemu && \
 make DESTDIR=$OUT_DIR install
 

diff --git a/alpine-dom0/build-xen/build.docker b/alpine-dom0/build-xen/build.docker
index ffa3a43e23129eb497fc0dba19b631554a6064eb..3e694596998aba91524eea70e3175adef764ce3c 100644 (file)
--- a/alpine-dom0/build-xen/build.docker
+++ b/alpine-dom0/build-xen/build.docker
@@ -22,7 +22,7 @@ tar xvzf xen-$XEN_VERSION.tar.gz && \
 cd xen-$XEN_VERSION && \
 patch -p1 < $SOURCE_DIR/xen-patch && \
 ./configure --prefix=/usr --with-system-qemu=/usr/lib/xen/bin/qemu-system-i386 --disable-stubdom --disable-qemu-traditional --disable-rombios && \
-make -j4 && \
+make -j "$(getconf _NPROCESSORS_ONLN)" && \
 mkdir -p DESTDIR=$OUT_DIR && \
 make DESTDIR=$OUT_DIR install