build: automatically create windows exports file
Checks
Commit Message
Rather than having a separate version.map file for linux/BSD and an
exports definition file for windows for each library, generate the
latter from the former automatically at build time.
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
buildtools/map_to_def.py | 40 ++++++++++++++++++++++++
buildtools/meson.build | 12 ++++---
buildtools/pmdinfogen/meson.build | 7 ++++-
lib/librte_kvargs/rte_kvargs_exports.def | 7 -----
lib/meson.build | 14 ++++++---
meson.build | 2 +-
6 files changed, 64 insertions(+), 18 deletions(-)
create mode 100644 buildtools/map_to_def.py
delete mode 100644 lib/librte_kvargs/rte_kvargs_exports.def
Comments
On 4/12/2019 1:29 AM, Bruce Richardson wrote:
> Rather than having a separate version.map file for linux/BSD and an
> exports definition file for windows for each library, generate the
> latter from the former automatically at build time.
>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
>
Acked-by: Anand Rawat <anand.rawat@intel.com>
13/04/2019 00:56, Anand Rawat:
> On 4/12/2019 1:29 AM, Bruce Richardson wrote:
> > Rather than having a separate version.map file for linux/BSD and an
> > exports definition file for windows for each library, generate the
> > latter from the former automatically at build time.
> >
> > Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
>
> Acked-by: Anand Rawat <anand.rawat@intel.com>
Please apply it in the draft repo for Windows so we can have more feedbacks.
On Wed, Apr 17, 2019 at 06:21:29PM +0200, Thomas Monjalon wrote:
> 13/04/2019 00:56, Anand Rawat:
> > On 4/12/2019 1:29 AM, Bruce Richardson wrote:
> > > Rather than having a separate version.map file for linux/BSD and an
> > > exports definition file for windows for each library, generate the
> > > latter from the former automatically at build time.
> > >
> > > Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> >
> > Acked-by: Anand Rawat <anand.rawat@intel.com>
>
> Please apply it in the draft repo for Windows so we can have more feedbacks.
>
Ping on this. Has it already been applied to the draft repo, or is
something blocking it?
/Bruce
12/04/2019 10:29, Bruce Richardson:
> Rather than having a separate version.map file for linux/BSD and an
> exports definition file for windows for each library, generate the
> latter from the former automatically at build time.
>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
For an unknown reason, this patch was not tested
in the Windows draft repo, but I choose to merge in master.
Applied, thanks
new file mode 100644
@@ -0,0 +1,40 @@
+#!/usr/bin/env python
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2019 Intel Corporation
+
+from __future__ import print_function
+import sys
+from os.path import dirname, basename, join, exists
+
+
+def is_function_line(ln):
+ return ln.startswith('\t') and ln.endswith(';\n') and ":" not in ln
+
+
+def main(args):
+ if not args[1].endswith('version.map') or \
+ not args[2].endswith('exports.def'):
+ return 1
+
+# special case, allow override if an def file already exists alongside map file
+ override_file = join(dirname(args[1]), basename(args[2]))
+ if exists(override_file):
+ with open(override_file) as f_in:
+ functions = f_in.readlines()
+
+# generate def file from map file.
+# This works taking indented lines only which end with a ";" and which don't
+# have a colon in them, i.e. the lines defining functions only.
+ else:
+ with open(args[1]) as f_in:
+ functions = [ln[:-2] + '\n' for ln in sorted(f_in.readlines())
+ if is_function_line(ln)]
+ functions = ["EXPORTS\n"] + functions
+
+ with open(args[2], 'w') as f_out:
+ f_out.writelines(functions)
+ return 0
+
+
+if __name__ == "__main__":
+ sys.exit(main(sys.argv))
@@ -1,10 +1,14 @@
# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2017-2019 Intel Corporation
-if host_machine.system() == 'windows'
- subdir_done()
-endif
-
subdir('pmdinfogen')
pmdinfo = find_program('gen-pmdinfo-cfile.sh')
+
+# set up map-to-def script using python, either built-in or external
+python3 = import('python').find_installation(required: false)
+if python3.found()
+ map_to_def_cmd = [python3, files('map_to_def.py')]
+else
+ map_to_def_cmd = ['meson', 'runpython', files('map_to_def.py')]
+endif
@@ -1,7 +1,12 @@
# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2017 Intel Corporation
-pmdinfogen_inc = eal_inc
+if host_machine.system() == 'windows'
+ subdir_done()
+endif
+
+pmdinfogen_inc = [global_inc]
+pmdinfogen_inc += include_directories('../../lib/librte_eal/common/include')
pmdinfogen_inc += include_directories('../../lib/librte_pci')
pmdinfogen = executable('pmdinfogen',
'pmdinfogen.c',
deleted file mode 100644
@@ -1,7 +0,0 @@
-EXPORTS
- rte_kvargs_count
- rte_kvargs_free
- rte_kvargs_parse
- rte_kvargs_process
- rte_kvargs_parse_delim
- rte_kvargs_strcmp
@@ -121,15 +121,19 @@ foreach l:libraries
objs += static_lib.extract_all_objects(recursive: false)
version_map = '@0@/@1@/rte_@2@_version.map'.format(
meson.current_source_dir(), dir_name, name)
- exports = []
implib = dir_name + '.dll.a'
+
+ def_file = custom_target(name + '_def',
+ command: [map_to_def_cmd, '@INPUT@', '@OUTPUT@'],
+ input: version_map,
+ output: 'rte_@0@_exports.def'.format(name))
if host_machine.system() == 'windows'
- exports = '@0@/@1@/rte_@2@_exports.def'.format(
- meson.current_source_dir(), dir_name, name)
- lk_args = ['-Wl,/def:' + exports, '-Wl,/implib:lib\\' + implib]
+ lk_args = ['-Wl,/def:' + def_file.full_path(),
+ '-Wl,/implib:lib\\' + implib]
else
lk_args = ['-Wl,--version-script=' + version_map]
endif
+
shared_lib = shared_library(libname,
sources,
objects: objs,
@@ -137,7 +141,7 @@ foreach l:libraries
dependencies: shared_deps,
include_directories: includes,
link_args: lk_args,
- link_depends: [version_map, exports],
+ link_depends: [version_map, def_file],
version: lib_version,
soversion: so_version,
install: true)
@@ -31,8 +31,8 @@ global_inc = include_directories('.', 'config',
subdir('config')
# build libs and drivers
-subdir('lib')
subdir('buildtools')
+subdir('lib')
subdir('drivers')
# build binaries and installable tools