mempool: fix slow allocation of large mempools

[dpdk.git] / config / meson.build

diff --git a/config/meson.build b/config/meson.build
index e1ebdad..28a57f5 100644 (file)
--- a/config/meson.build
+++ b/config/meson.build
@@ -18,6 +18,21 @@ endforeach
 # depending on the configuration options
 pver = meson.project_version().split('.')
 major_version = '@0@.@1@'.format(pver.get(0), pver.get(1))
+abi_version = run_command(find_program('cat', 'more'),
+       abi_version_file).stdout().strip()
+
+# Regular libraries have the abi_version as the filename extension
+# and have the soname be all but the final part of the abi_version.
+# Experimental libraries have soname with '0.major'
+# and the filename suffix as 0.majorminor versions,
+# e.g. v20.1 => librte_stable.so.20.1, librte_experimental.so.0.201
+#    sonames => librte_stable.so.20, librte_experimental.so.0.20
+# e.g. v20.0.1 => librte_stable.so.20.0.1, librte_experimental.so.0.2001
+#      sonames => librte_stable.so.20.0, librte_experimental.so.0.200
+abi_va = abi_version.split('.')
+stable_so_version = abi_va.length() == 2 ? abi_va[0] : abi_va[0] + '.' + abi_va[1]
+experimental_abi_version = '0.' + ''.join(abi_va)
+experimental_so_version = '0.' + ''.join(stable_so_version.split('.'))
 
 # extract all version information into the build configuration
 dpdk_conf.set('RTE_VER_YEAR', pver.get(0).to_int())
@@ -37,7 +52,7 @@ endif
 
 pmd_subdir_opt = get_option('drivers_install_subdir')
 if pmd_subdir_opt.contains('<VERSION>')
-       pmd_subdir_opt = major_version.join(pmd_subdir_opt.split('<VERSION>'))
+       pmd_subdir_opt = abi_version.join(pmd_subdir_opt.split('<VERSION>'))
 endif
 driver_install_path = join_paths(get_option('libdir'), pmd_subdir_opt)
 eal_pmd_path = join_paths(get_option('prefix'), driver_install_path)
@@ -100,7 +115,7 @@ add_project_link_arguments('-pthread', language: 'c')
 dpdk_extra_ldflags += '-pthread'
 
 # on some OS, maths functions are in a separate library
-if cc.find_library('libm', required : false).found()
+if cc.find_library('m', required : false).found()
        # some libs depend on maths lib
        add_project_link_arguments('-lm', language: 'c')
        dpdk_extra_ldflags += '-lm'
@@ -225,3 +240,16 @@ add_project_arguments('-D_GNU_SOURCE', language: 'c')
 if is_freebsd
        add_project_arguments('-D__BSD_VISIBLE', language: 'c')
 endif
+
+if get_option('b_lto')
+       if cc.has_argument('-ffat-lto-objects')
+               add_project_arguments('-ffat-lto-objects', language: 'c')
+       else
+               error('compiler does not support fat LTO objects - please turn LTO off')
+       endif
+       # workaround for gcc bug 81440
+       if cc.get_id() == 'gcc' and cc.version().version_compare('<8.0')
+               add_project_arguments('-Wno-lto-type-mismatch', language: 'c')
+               add_project_link_arguments('-Wno-lto-type-mismatch', language: 'c')
+       endif
+endif