diff mbox series

[v2,16/16] lib: allow disabling optional libraries

Message ID 20210420102232.314452-17-bruce.richardson@intel.com (mailing list archive)
State Accepted
Delegated to: Thomas Monjalon
Headers show
Series Build file updates | expand


Context Check Description
ci/intel-Testing success Testing PASS
ci/Intel-compilation fail Compilation issues
ci/iol-mellanox-Performance success Performance Testing PASS
ci/iol-testing success Testing PASS
ci/github-robot success github build: passed
ci/travis-robot success travis build: passed
ci/checkpatch success coding style OK

Commit Message

Bruce Richardson April 20, 2021, 10:22 a.m. UTC
Add support for the disable_libs option, to allow disabling the build of
particular libraries. As part of this, maintain a list of what libraries
can safely be disabled, without breaking the build - for now this list is
solely those libraries which are not built on FreeBSD, kni, power and
vhost. This list can be expanded by future patches.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
 lib/meson.build   | 24 +++++++++++++++++++++++-
 meson_options.txt |  2 ++
 2 files changed, 25 insertions(+), 1 deletion(-)
diff mbox series


diff --git a/lib/meson.build b/lib/meson.build
index 3a9a6c3be4..c9a20f65b7 100644
--- a/lib/meson.build
+++ b/lib/meson.build
@@ -81,6 +81,23 @@  if is_windows
     ] # only supported libraries for windows
+optional_libs = [
+    'kni',
+    'power',
+    'vhost',
+disabled_libs = []
+opt_disabled_libs = run_command(list_dir_globs, get_option('disable_libs')).stdout().split()
+foreach l:opt_disabled_libs
+    if not optional_libs.contains(l)
+        warning('Cannot disable mandatory library "@0@"'.format(l))
+        continue
+    endif
+    disabled_libs += l
 default_cflags = machine_args
 default_cflags += ['-DALLOW_EXPERIMENTAL_API']
 default_cflags += ['-DALLOW_INTERNAL_API']
@@ -114,7 +131,12 @@  foreach l:libraries
         deps += ['eal']
-    subdir(l)
+    if disabled_libs.contains(l)
+        build = false
+        reason = 'explicitly disabled via build config'
+    else
+        subdir(l)
+    endif
     if name != l
         warning('Library name, "@0@", and directory name, "@1@", do not match'.format(name, l))
diff --git a/meson_options.txt b/meson_options.txt
index 530fcddfa1..9d73fd5419 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -6,6 +6,8 @@  option('developer_mode', type: 'feature', description:
         'turn on additional build checks relevant for DPDK developers')
 option('disable_drivers', type: 'string', value: '', description:
         'Comma-separated list of drivers to explicitly disable.')
+option('disable_libs', type: 'string', value: '', description:
+        'Comma-separated list of libraries to explicitly disable. [NOTE: not all libs can be disabled]')
 option('drivers_install_subdir', type: 'string', value: 'dpdk/pmds-<VERSION>', description:
         'Subdirectory of libdir where to install PMDs. Defaults to using a versioned subdirectory.')
 option('enable_docs', type: 'boolean', value: false, description: