[PATCH 4/4] Update meson for asignify

[Jeremy Huntwork]

Change the meson configuration so that only one signature method, either
gpgme or asignify, is supported at build time.

Signed-off-by: Jeremy Huntwork <jeremy at merelinux.org>
---
 meson.build             | 33 ++++++++++++++++++++++++---------
 meson_options.txt       |  4 ++--
 test/pacman/meson.build |  2 +-
 3 files changed, 27 insertions(+), 12 deletions(-)

diff --git a/meson.build b/meson.build
index 76b9d2aa..112a2cc5 100644
--- a/meson.build
+++ b/meson.build
@@ -70,6 +70,7 @@ conf.set_quoted('SYSHOOKDIR', join_paths(DATAROOTDIR, 'libalpm/hooks/'))
 conf.set_quoted('CONFFILE', join_paths(SYSCONFDIR, 'pacman.conf'))
 conf.set_quoted('DBPATH', join_paths(LOCALSTATEDIR, 'lib/pacman/'))
 conf.set_quoted('GPGDIR', join_paths(SYSCONFDIR, 'pacman.d/gnupg/'))
+conf.set_quoted('ASIGNIFYDIR', join_paths(SYSCONFDIR, 'pacman.d/asignify/'))
 conf.set_quoted('LOGFILE', join_paths(LOCALSTATEDIR, 'log/pacman.log'))
 conf.set_quoted('CACHEDIR', join_paths(LOCALSTATEDIR, 'cache/pacman/pkg/'))
 conf.set_quoted('HOOKDIR', join_paths(SYSCONFDIR, 'pacman.d/hooks/'))
@@ -97,13 +98,24 @@ libcurl = dependency('libcurl',
                      static : get_option('buildstatic'))
 conf.set('HAVE_LIBCURL', libcurl.found())
 
-needed_gpgme_version = '>=1.3.0'
-gpgme = dependency('gpgme',
-                   version : needed_gpgme_version,
-                   required : get_option('gpgme'),
-                   static : get_option('buildstatic'),
-                   not_found_message : 'gpgme @0@ is needed for GPG signature support'.format(needed_gpgme_version))
-conf.set('HAVE_LIBGPGME', gpgme.found())
+want_signature = get_option('signature')
+if want_signature == 'gpgme'
+  needed_gpgme_version = '>=1.3.0'
+  gpgme = dependency('gpgme',
+                     version : needed_gpgme_version,
+                     static : get_option('buildstatic'),
+                     not_found_message : 'gpgme @0@ is needed for GPG signature support'.format(needed_gpgme_version))
+  signature_provider = gpgme
+  conf.set10('HAVE_LIBGPGME', gpgme.found())
+elif want_signature == 'asignify'
+  libasignify = dependency('libasignify',
+                           static : get_option('buildstatic'),
+                           not_found_message : 'libasignify is needed for asignify signature support')
+  signature_provider = libasignify
+  conf.set10('HAVE_LIBASIGNIFY', libasignify.found())
+else
+  error('unhandled signature value @0@'.format(want_signature))
+endif
 
 want_crypto = get_option('crypto')
 if want_crypto == 'openssl'
@@ -305,7 +317,7 @@ libcommon = static_library(
   gnu_symbol_visibility : 'hidden',
   install : false)
 
-alpm_deps = [crypto_provider, libarchive, libcurl, libintl, gpgme]
+alpm_deps = [crypto_provider, signature_provider, libarchive, libcurl, libintl]
 
 libalpm_a = static_library(
   'alpm_objlib',
@@ -454,7 +466,10 @@ message('\n    '.join([
   '  Build docs               : @0@'.format(build_doc),
   '  debug build              : @0@'.format(get_option('buildtype') == 'debug'),
   '  Use libcurl              : @0@'.format(conf.get('HAVE_LIBCURL')),
-  '  Use GPGME                : @0@'.format(conf.get('HAVE_LIBGPGME')),
+  '  Use libasignify          : @0@'.format(conf.has('HAVE_LIBASIGNIFY') and
+                                            conf.get('HAVE_LIBASIGNIFY') == 1),
+  '  Use GPGME                : @0@'.format(conf.has('HAVE_LIBGPGME') and
+                                            conf.get('HAVE_LIBGPGME') == 1),
   '  Use OpenSSL              : @0@'.format(conf.has('HAVE_LIBSSL') and
                                             conf.get('HAVE_LIBSSL') == 1),
   '  Use nettle               : @0@'.format(conf.has('HAVE_LIBNETTLE') and
diff --git a/meson_options.txt b/meson_options.txt
index 4d8cc300..01d3d2c5 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -45,8 +45,8 @@ option('curl', type : 'feature', value : 'auto',
 option('crypto', type : 'combo', choices : ['openssl', 'nettle'],
        description : 'select crypto implementation')
 
-option('gpgme', type : 'feature', value : 'auto',
-       description : 'use GPGME for PGP signature verification')
+option('signature', type : 'combo', choices : ['asignify', 'gpgme'],
+       description : 'select signature verification implementation')
 
 option('i18n', type : 'boolean', value : true,
        description : 'enable localization of pacman, libalpm and scripts')
diff --git a/test/pacman/meson.build b/test/pacman/meson.build
index ecab75b2..af3d7774 100644
--- a/test/pacman/meson.build
+++ b/test/pacman/meson.build
@@ -362,7 +362,7 @@ foreach input : pacman_tests
   if not conf.get('HAVE_LIBCURL')
     args += '--without-curl'
   endif
-  if not conf.get('HAVE_LIBGPGME')
+  if not conf.has('HAVE_LIBGPGME') or conf.get('HAVE_LIBGPGME') == 0
     args += '--without-gpg'
   endif
 
-- 
2.34.1