regex/mlx5: fix leak after probing failure

[dpdk.git] / config / meson.build

diff --git a/config/meson.build b/config/meson.build
index 0b83594..4cdf589 100644 (file)
--- a/config/meson.build
+++ b/config/meson.build
@@ -287,8 +287,6 @@ foreach arg: warning_flags
 endforeach
 
 # set other values pulled from the build options
-dpdk_conf.set('RTE_MAX_LCORE', get_option('max_lcores'))
-dpdk_conf.set('RTE_MAX_NUMA_NODES', get_option('max_numa_nodes'))
 dpdk_conf.set('RTE_MAX_ETHPORTS', get_option('max_ethports'))
 dpdk_conf.set('RTE_LIBEAL_USE_HPET', get_option('use_hpet'))
 dpdk_conf.set('RTE_ENABLE_TRACE_FP', get_option('enable_trace_fp'))
@@ -322,6 +320,51 @@ if meson.is_cross_build()
     endif
 endif
 
+max_lcores = get_option('max_lcores')
+if max_lcores == 'detect'
+       # discovery makes sense only for non-cross builds
+       if meson.is_cross_build()
+               error('Discovery of max_lcores is not supported for cross-compilation.')
+       endif
+       # overwrite the default value with discovered values
+       max_lcores = run_command(get_cpu_count_cmd).stdout().to_int()
+       min_lcores = 2
+       # DPDK must be built for at least 2 cores
+       if max_lcores < min_lcores
+               message('Found less than @0@ cores, building for @0@ cores'.format(min_lcores))
+               max_lcores = min_lcores
+       else
+               message('Found @0@ cores'.format(max_lcores))
+       endif
+       dpdk_conf.set('RTE_MAX_LCORE', max_lcores)
+elif max_lcores != 'default'
+       # overwrite the default value from arch_subdir with user input
+       dpdk_conf.set('RTE_MAX_LCORE', max_lcores.to_int())
+endif
+
+max_numa_nodes = get_option('max_numa_nodes')
+if max_numa_nodes == 'detect'
+       # discovery makes sense only for non-cross builds
+       if meson.is_cross_build()
+               error('Discovery of max_numa_nodes not supported for cross-compilation.')
+       endif
+       # overwrite the default value with discovered values
+       max_numa_nodes = run_command(get_numa_count_cmd).stdout().to_int()
+       message('Found @0@ numa nodes'.format(max_numa_nodes))
+       dpdk_conf.set('RTE_MAX_NUMA_NODES', max_numa_nodes)
+elif max_numa_nodes != 'default'
+       # overwrite the default value from arch_subdir with user input
+       dpdk_conf.set('RTE_MAX_NUMA_NODES', max_numa_nodes.to_int())
+endif
+
+# check that CPU and NUMA counts are set
+if not dpdk_conf.has('RTE_MAX_LCORE')
+       error('Number of CPU cores not specified.')
+endif
+if not dpdk_conf.has('RTE_MAX_NUMA_NODES')
+       error('Number of NUMA nodes not specified.')
+endif
+
 # set the install path for the drivers
 dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path)