meson.build

project('sshfs', 'c', version: '3.7.3',
        meson_version: '>= 0.40',
        default_options: [ 'buildtype=debugoptimized' ])

add_global_arguments('-D_REENTRANT', '-DHAVE_CONFIG_H',
                     '-Wall', '-Wextra', '-Wno-sign-compare',
                     '-Wmissing-declarations', '-Wwrite-strings',
                     language: 'c')

# Some (stupid) GCC versions warn about unused return values even when they are
# casted to void. This makes -Wunused-result pretty useless, since there is no
# way to suppress the warning when we really *want* to ignore the value.
cc = meson.get_compiler('c')
code = '''
__attribute__((warn_unused_result)) int get_4() {
    return 4;
}
int main(void) {
    (void) get_4();
    return 0;
}'''
if not cc.compiles(code, args: [ '-O0', '-Werror=unused-result' ])
     message('Compiler warns about unused result even when casting to void')
     add_global_arguments('-Wno-unused-result', language: 'c')
endif


rst2man = find_program('rst2man', 'rst2man.py', required: false)

cfg = configuration_data()

cfg.set_quoted('PACKAGE_VERSION', meson.project_version())

include_dirs = [ include_directories('.') ]
sshfs_sources = ['sshfs.c', 'cache.c']
if target_machine.system() == 'darwin'
  cfg.set_quoted('IDMAP_DEFAULT', 'user')
  sshfs_sources += [ 'compat/fuse_opt.c', 'compat/darwin_compat.c' ]
  include_dirs += [ include_directories('compat') ]
else
  cfg.set_quoted('IDMAP_DEFAULT', 'none')
endif

configure_file(output: 'config.h',
               configuration : cfg)

protoc = find_program('protoc-c')

proto_gen = generator(protoc, \
  output    : ['@BASENAME@.pb-c.c', '@BASENAME@.pb-c.h'],
  arguments : ['--proto_path=@CURRENT_SOURCE_DIR@/protos', '--c_out=@BUILD_DIR@', '@INPUT@'])

dcache_proto = proto_gen.process('protos/dcache.proto')
sshfs_sources += [ dcache_proto ]

sshfs_deps = [ dependency('fuse3', version: '>= 3.1.0'),
               dependency('glib-2.0'),
               dependency('gthread-2.0'),
               dependency('libprotobuf-c', version: '>= 1.3.0') ]

executable('sshfs', sshfs_sources,
           include_directories: include_dirs,
           dependencies: sshfs_deps,
           c_args: ['-DFUSE_USE_VERSION=31'],
           install: true,
           install_dir: get_option('bindir'))

if rst2man.found()
    custom_target('manpages', input: [ 'sshfs.rst' ], output: [ 'sshfs.1' ],
                  command: [rst2man, '@INPUT@', '@OUTPUT@'], install: true,
                  install_dir: join_paths(get_option('mandir'), 'man1'))
else
    message('rst2man not found, not building manual page.')
endif

meson.add_install_script('utils/install_helper.sh',
                         get_option('sbindir'),
                         get_option('bindir'))


subdir('test')