build: add support for building with meson

doc/meson.build

@@ -0,0 +1,46 @@
+scdoc_prog = find_program(scdoc.get_pkgconfig_variable('scdoc'), native: true)
+sh = find_program('sh', native: true)
+mandir = get_option('mandir')
+
+man_files = [
+    'apk.8.scd',
+    'apk-add.8.scd',
+    'apk-audit.8.scd',
+    'apk-cache.5.scd',
+    'apk-cache.8.scd',
+    'apk-del.8.scd',
+    'apk-dot.8.scd',
+    'apk-fetch.8.scd',
+    'apk-fix.8.scd',
+    'apk-index.8.scd',
+    'apk-info.8.scd',
+    'apk-keys.5.scd',
+    'apk-list.8.scd',
+    'apk-manifest.8.scd',
+    'apk-policy.8.scd',
+    'apk-repositories.5.scd',
+    'apk-stats.8.scd',
+    'apk-update.8.scd',
+    'apk-upgrade.8.scd',
+    'apk-verify.8.scd',
+    'apk-version.8.scd',
+    'apk-world.5.scd',
+]
+
+foreach filename : man_files
+    topic = filename.split('.')[-3].split('/')[-1]
+    section = filename.split('.')[-2]
+    output = '@0@.@1@'.format(topic, section)
+
+    custom_target(
+        output,
+        input: filename,
+        capture: true,
+        output: output,
+        command: [
+            sh, '-c', '@0@ < @INPUT@'.format(scdoc_prog.path())
+        ],
+        install: true,
+        install_dir: '@0@/man@1@'.format(mandir, section)
+    )
+endforeach

libfetch/meson.build

@@ -0,0 +1,46 @@
+libfetch_src = [
+	'common.c',
+	'fetch.c',
+	'file.c',
+	'ftp.c',
+	'http.c',
+	'openssl-compat.c'
+]
+
+errlist_generator = find_program('errlist.sh')
+
+ftperr_h = custom_target(
+	'ftperr.h',
+	capture: true,
+	command: [errlist_generator, 'ftp_errlist', 'FTP', '@INPUT@'],
+	output: 'ftperr.h',
+	input: 'ftp.errors',
+)
+
+httperr_h = custom_target(
+	'httpderr.h',
+	capture: true,
+	command: [errlist_generator, 'http_errlist', 'HTTP', '@INPUT@'],
+	output: 'httperr.h',
+	input: 'http.errors',
+)
+
+libfetch_src += [ftperr_h, httperr_h]
+
+libfetch_cargs = [
+	'-DCA_CERT_FILE="/' + apk_confdir / 'ca.pem"',
+	'-DCA_CRL_FILE="/' + apk_confdir / 'crl.pem"',
+	'-DCLIENT_CERT_FILE="/' + apk_confdir / 'cert.pem"',
+	'-DCLIENT_KEY_FILE="/' + apk_confdir / 'cert.key"',
+]
+
+libfetch = static_library(
+	'fetch',
+	libfetch_src,
+	c_args: libfetch_cargs,
+)
+
+libfetch_dep = declare_dependency(
+	link_whole: libfetch,
+	include_directories: include_directories('.'),
+)

meson.build

@@ -0,0 +1,31 @@
+project(
+    'apk-tools',
+    ['c'],
+    default_options : ['c_std=gnu99'],
+    version: '2.10.5',
+    meson_version: '>=0.51'
+)
+pkgc = import('pkgconfig')
+
+apk_confdir = get_option('sysconfdir') / 'apk'
+apk_libdir = get_option('libdir')
+
+zlib_dep = dependency('zlib')
+openssl_dep = dependency('openssl')
+lua_dep = dependency('lua' + get_option('lua_version'), required: get_option('lua'))
+scdoc = dependency('scdoc', version: '>=1.10', required: get_option('docs'))
+
+add_project_arguments('-D_GNU_SOURCE', language: 'c')
+
+# If we're a subproject we only want the static lib and not files
+subproject = meson.is_subproject()
+if get_option('default_library') == 'static'
+    add_project_arguments('-DOPENSSL_NO_ENGINE', language: 'c')
+endif
+
+subdir('libfetch')
+subdir('src')
+
+if scdoc.found()
+    subdir('doc')
+endif

meson_options.txt

@@ -0,0 +1,3 @@
+option('docs', description: 'Build manpages with scdoc', type: 'feature', value: 'auto')
+option('lua', description: 'Build luaapk (lua bindings)', type: 'feature', value: 'auto')
+option('lua_version', description: 'Lua version to build against', type: 'string', value: '5.3')

src/meson.build

@@ -0,0 +1,117 @@
+libapk_src = [
+    'blob.c',
+    'commit.c',
+    'common.c',
+    'database.c',
+    'hash.c',
+    'io.c',
+    'io_archive.c',
+    'io_url.c',
+    'io_gunzip.c',
+    'package.c',
+    'print.c',
+    'solver.c',
+    'version.c',
+]
+
+libapk_headers = [
+    'apk_applet.h',
+    'apk_archive.h',
+    'apk_blob.h',
+    'apk_database.h',
+    'apk_defines.h',
+    'apk_hash.h',
+    'apk_io.h',
+    'apk_openssl.h',
+    'apk_package.h',
+    'apk_print.h',
+    'apk_provider_data.h',
+    'apk_solver_data.h',
+    'apk_solver.h',
+    'apk_version.h',
+]
+
+apk_src = [
+    'apk.c',
+    'app_add.c',
+    'app_audit.c',
+    'app_cache.c',
+    'app_del.c',
+    'app_dot.c',
+    'app_fetch.c',
+    'app_fix.c',
+    'app_index.c',
+    'app_info.c',
+    'app_list.c',
+    'app_manifest.c',
+    'app_policy.c',
+    'app_update.c',
+    'app_upgrade.c',
+    'app_search.c',
+    'app_stats.c',
+    'app_verify.c',
+    'app_version.c',
+]
+
+apk_cargs = [
+    '-DAPK_VERSION="' + meson.project_version() + '"',
+    '-D_ATFILE_SOURCE',
+]
+
+libapk = library(
+    'apk',
+    libapk_src,
+    version: meson.project_version(),
+    install: true,
+    dependencies: [
+        libfetch_dep,
+        zlib_dep,
+        openssl_dep,
+    ],
+    c_args: apk_cargs,
+)
+
+libapk_dep = declare_dependency(
+    link_with: libapk,
+)
+
+if not subproject
+    pkgc.generate(
+        libapk,
+        name: 'apk',
+        version: meson.project_version(),
+    )
+
+    install_headers(
+        libapk_headers,
+        subdir: 'apk',
+    )
+endif
+
+if(lua_dep.found())
+    luaapk_src = [
+        'lua-apk.c',
+    ]
+
+    libluaapk = library(
+        'luaapk',
+        luaapk_src,
+        dependencies: [lua_dep, libapk_dep],
+        install: true,
+        install_dir: lua_dep.get_pkgconfig_variable('libdir'),
+        c_args: apk_cargs,
+    )
+endif
+
+apk_exe = executable(
+    'apk',
+    apk_src,
+    install: not subproject,
+    dependencies: [
+        libapk_dep,
+        zlib_dep,
+        openssl_dep,
+        libfetch_dep.partial_dependency(includes: true),
+    ],
+    c_args: apk_cargs,
+)