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mu4e/meson.build
Dirk-Jan C. Binnema 5a48664033 lib: centralize xapian include, enable move semantics 
Only include xapian.h in one place, so we can have consistent options.
With that in place, we can enable C++ move semantics.

We don't do anything with that yet, but we check in the meson.build file
to see if we have the required xapian version.
2024-05-01 17:02:24 +03:00

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Meson
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## Copyright (C) 2022-2024 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 3 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software Foundation,
## Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
################################################################################
# project setup
project('mu', ['c', 'cpp'],
version: '1.12.4',
meson_version: '>= 0.56.0',
license: 'GPL-3.0-or-later',
default_options : [
'buildtype=debugoptimized',
'warning_level=3',
'c_std=c11',
'cpp_std=c++17'])
# hard-code the date here (for reproduciblity); we derive the dates used in e.g.
# documentation from this.
mu_date='2024-04-15'
# installation paths
prefixdir = get_option('prefix')
bindir = prefixdir / get_option('bindir')
datadir = prefixdir / get_option('datadir')
mandir = prefixdir / get_option('mandir')
infodir = prefixdir / get_option('infodir')
# allow for configuring lispdir, as with autotools.
if get_option('lispdir') == ''
mu4e_lispdir= datadir / join_paths('emacs', 'site-lisp', 'mu4e')
else
mu4e_lispdir= get_option('lispdir') / 'mu4e'
endif
################################################################################
# compilers / flags
#
# compilers
cc = meson.get_compiler('c')
cxx= meson.get_compiler('cpp')
extra_flags = [
'-Wno-unused-parameter',
'-Wno-cast-function-type',
'-Wformat-security',
'-Wformat=2',
'-Wstack-protector',
'-fstack-protector-strong',
'-Wno-switch-enum',
# assuming these are false alarm... (in fmt, with gcc13):
'-Wno-array-bounds',
'-Wno-stringop-overflow',]
if (cxx.get_id() == 'clang')
extra_flags += [
'-Wc11-extensions',
'-Wno-keyword-macro',
'-Wno-deprecated-volatile',
'-Wno-#warnings']
endif
extra_cpp_flags= [
'-Wno-volatile'
]
if get_option('buildtype') == 'debug'
extra_flags += [
'-D_GLIBCXX_ASSERTIONS',
'-ggdb',
'-g3']
endif
# extra arguments, if available
foreach extra_arg : extra_flags
if cc.has_argument (extra_arg)
add_project_arguments([extra_arg], language: 'c')
endif
endforeach
foreach extra_arg : extra_flags + extra_cpp_flags
if cxx.has_argument (extra_arg)
add_project_arguments([extra_arg], language: 'cpp')
endif
endforeach
# some clang don't have charconv, but we need it.
# https://github.com/djcb/mu/issues/2347
cxx.check_header('charconv', required:true)
build_aux = join_paths(meson.current_source_dir(), 'build-aux')
################################################################################
# derived date values (based on 'mu-date'); used in docs
# we can't use the 'date' because MacOS 'date' is incompatible with GNU's.
pdate=find_program(join_paths(build_aux, 'date.py'))
env = environment()
env.set('LANG', 'C')
mu_day_month_year = run_command(pdate, mu_date, '%d %B %Y',
check:true, capture:true,
env: env).stdout().strip()
mu_month_year = run_command(pdate, mu_date, '%B %Y',
check:true, capture:true,
env: env).stdout().strip()
mu_year = run_command(pdate, mu_date, '%Y',
check:true, capture:true, env: env).stdout().strip()
################################################################################
# config.h setup
#
config_h_data=configuration_data()
config_h_data.set('MU_STORE_SCHEMA_VERSION', 500)
config_h_data.set_quoted('PACKAGE_VERSION', meson.project_version())
config_h_data.set_quoted('PACKAGE_STRING', meson.project_name() + ' ' +
meson.project_version())
config_h_data.set_quoted('VERSION', meson.project_version())
config_h_data.set_quoted('PACKAGE_NAME', meson.project_name())
add_project_arguments(['-DHAVE_CONFIG_H'], language: 'c')
add_project_arguments(['-DHAVE_CONFIG_H'], language: 'cpp')
config_h_dep=declare_dependency(
include_directories: include_directories(['.']))
#
# d_type, d_ino are not available universally, so let's check
# (we use them for optimizations in mu-scanner
#
if cxx.has_member('struct dirent', 'd_ino', prefix : '#include<dirent.h>')
config_h_data.set('HAVE_DIRENT_D_INO', 1)
endif
if cxx.has_member('struct dirent', 'd_type', prefix : '#include<dirent.h>')
config_h_data.set('HAVE_DIRENT_D_TYPE', 1)
endif
functions=[
'setsid'
]
foreach f : functions
if cc.has_function(f)
define = 'HAVE_' + f.underscorify().to_upper()
config_h_data.set(define, 1)
endif
endforeach
if cc.has_function('wordexp')
config_h_data.set('HAVE_WORDEXP_H',1)
else
message('no wordexp, no command-line option expansion')
endif
if not get_option('tests').disabled()
# only needed for tests
cp=find_program('cp')
ln=find_program('ln')
rm=find_program('rm')
config_h_data.set_quoted('CP_PROGRAM', cp.full_path())
config_h_data.set_quoted('RM_PROGRAM', rm.full_path())
config_h_data.set_quoted('LN_PROGRAM', ln.full_path())
testmaildir=join_paths(meson.current_source_dir(), 'testdata')
config_h_data.set_quoted('MU_TESTMAILDIR', join_paths(testmaildir, 'testdir'))
config_h_data.set_quoted('MU_TESTMAILDIR2', join_paths(testmaildir, 'testdir2'))
config_h_data.set_quoted('MU_TESTMAILDIR4', join_paths(testmaildir, 'testdir4'))
config_h_data.set_quoted('MU_TESTMAILDIR_CJK', join_paths(testmaildir, 'cjk'))
endif
################################################################################
# hard dependencies
#
glib_dep = dependency('glib-2.0', version: '>= 2.60')
gobject_dep = dependency('gobject-2.0', version: '>= 2.60')
gio_dep = dependency('gio-2.0', version: '>= 2.60')
gio_unix_dep = dependency('gio-unix-2.0', version: '>= 2.60')
gmime_dep = dependency('gmime-3.0', version: '>= 3.2')
thread_dep = dependency('threads')
# we need Xapian 1.4
xapian_dep = dependency('xapian-core', version:'>= 1.4', required:true)
xapver = xapian_dep.version()
if xapver.version_compare('>= 1.4.6')
message('xapian ' + xapver + ' supports c++ move-semantics')
config_h_data.set('HAVE_XAPIAN_MOVE_SEMANTICS', 1)
endif
if xapver.version_compare('>= 1.4.23')
message('xapian ' + xapver + ' supports ngrams')
config_h_data.set('HAVE_XAPIAN_FLAG_NGRAMS', 1)
endif
# optionally, use Compact Language Detector2 if we can find it.
cld2_dep = meson.get_compiler('cpp').find_library('cld2', required: get_option('cld2'))
if not get_option('cld2').disabled() and cld2_dep.found()
config_h_data.set('HAVE_CLD2', 1)
else
message('CLD2 not found or disabled; no support for language detection')
endif
# soft dependencies
guile_dep = dependency('guile-3.0', required: get_option('guile'))
# allow for a custom guile-extension-dir
if guile_dep.found()
custom_guile_xd=get_option('guile-extension-dir')
if custom_guile_xd == ''
guile_extension_dir = guile_dep.get_variable(pkgconfig: 'extensiondir')
else
guile_extension_dir = custom_guile_xd
endif
config_h_data.set_quoted('MU_GUILE_EXTENSION_DIR', guile_extension_dir)
message('Using guile-extension-dir: ' + guile_extension_dir)
endif
makeinfo=find_program(['makeinfo'], required:false)
if not makeinfo.found()
message('makeinfo (texinfo) not found; not building info documentation')
else
install_info=find_program(['install-info'], required:false)
if not install_info.found()
message('install-info not found')
else
install_info_script=join_paths(build_aux, 'meson-install-info.sh')
endif
endif
# readline. annoyingly, macos has an incompatible libedit claiming to be
# readline. this is only a dev/debug convenience for the mu4e repl.
readline_dep=[]
if get_option('readline').enabled()
readline_dep = dependency('readline', version:'>= 8.0')
config_h_data.set('HAVE_LIBREADLINE', 1)
config_h_data.set('HAVE_READLINE_READLINE_H', 1)
config_h_data.set('HAVE_READLINE_HISTORY', 1)
config_h_data.set('HAVE_READLINE_HISTORY_H', 1)
endif
################################################################################
# write out version.texi (for texinfo builds in mu4e, guile)
version_texi_data=configuration_data()
version_texi_data.set('VERSION', meson.project_version())
version_texi_data.set('EDITION', meson.project_version())
# derived date values
version_texi_data.set('UPDATED', mu_day_month_year)
version_texi_data.set('UPDATEDMONTH', mu_month_year)
version_texi_data.set('UPDATEDYEAR', mu_year)
configure_file(input: join_paths(build_aux, 'version.texi.in'),
output: 'version.texi',
configuration: version_texi_data)
################################################################################
# install some data files
install_data('NEWS.org', install_dir : join_paths(datadir,'doc', 'mu'))
################################################################################
# subdirs
subdir('lib')
subdir('mu')
# emacs -- needed for mu4e compilation
emacs_name=get_option('emacs')
emacs_min_version='26.3'
emacs=find_program([emacs_name], version: '>='+emacs_min_version, required:false)
if emacs.found()
subdir('man')
subdir('mu4e')
else
message('emacs not found; not pre-compiling mu4e / generating manpages')
endif
if not get_option('guile').disabled() and guile_dep.found()
config_h_data.set('BUILD_GUILE', 1)
config_h_data.set_quoted('GUILE_BINARY',
guile_dep.get_variable(pkgconfig: 'guile'))
#message('guile is disabled for now')
subdir('guile')
endif
config_h_data.set_quoted('MU_PROGRAM', mu.full_path())
################################################################################
################################################################################
# write-out config.h
configure_file(output : 'config.h', configuration : config_h_data)
if gmime_dep.version() == '3.2.13'
warning('gmime version 3.2.13 detected, which as a decoding bug')
warning('See: https://github.com/jstedfast/gmime/issues/133')
endif
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