diff options
Diffstat (limited to 'dpdk')
| -rw-r--r-- | dpdk/Makefile | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/dpdk/Makefile b/dpdk/Makefile index d781ed5db40..06ba1270ed1 100644 --- a/dpdk/Makefile +++ b/dpdk/Makefile @@ -77,7 +77,13 @@ else $(error unknown platform) endif -JOBS := $(shell grep processor /proc/cpuinfo | wc -l) +# /proc/cpuinfo does not exist on platforms without a /proc and on some +# platforms, notably inside containers, it has no content. In those cases +# we assume there's 1 processor; we use 2*ncpu for the -j option. +# NB: GNU Make 4.2 will let us use '$(file </proc/cpuinfo)' to both test +# for file presence and content; for now this will have to do. +JOBS := $(if $(shell [ -f /proc/cpuinfo ] && head /proc/cpuinfo),\ + $(shell expr 2 '*' $$(grep -c ^processor /proc/cpuinfo)), 2) # compiler/linker custom arguments DPDK_CPU_CFLAGS := -pie -fPIC |