diff options
author | Jon Turney <jon.turney@dronecode.org.uk> | 2019-10-26 17:12:26 +0100 |
---|---|---|
committer | Adam Jackson <ajax@nwnk.net> | 2019-10-30 16:58:39 +0000 |
commit | 622eea366aaf162479eaabd93c88fa04efe98bcc (patch) | |
tree | de58f08178e98c9f026adf4c3a27f83a4a1cde0d /meson.build | |
parent | 417e4553f143820acc33998898bbd5c3d4567bcd (diff) |
meson: Add sha1 library options
v2: Set the define for xha1.c programatically, rather than using loads
of conditionals.
Diffstat (limited to 'meson.build')
-rw-r--r-- | meson.build | 92 |
1 files changed, 89 insertions, 3 deletions
diff --git a/meson.build b/meson.build index 2eca5c295..7b14e2807 100644 --- a/meson.build +++ b/meson.build @@ -98,7 +98,6 @@ libbsd_dep = dependency('libbsd', required: false) xkbcomp_dep = dependency('xkbcomp', required: false) xkbfile_dep = dependency('xkbfile') xfont2_dep = dependency('xfont2', version: '>= 2.0') -nettle_dep = dependency('nettle') dbus_required = get_option('systemd_logind') == 'true' dbus_dep = dependency('dbus-1', version: '>= 1.0', required: dbus_required) @@ -343,8 +342,95 @@ else build_eglstream = false endif -# XXX: Add more sha1 options, because Linux is about choice -sha1_dep = nettle_dep +# Lots of sha1 options, because Linux is about choice :) + +# The idea behind the ordering here is that we should first prefer system +# builtin providers, and then smaller implementations of over larger ones. +test_sha1 = [ + 'libc', # libmd API is in libc on some BSDs + 'CommonCrypto', # darwin API + 'CryptoAPI', # windows API + 'libmd', # other BSDs & Solaris + 'libsha1', # "a tiny library providing a SHA1 implementation, created for facilitating X server compilation on embedded devices where larger libraries containing SHA1 implementations are not needed" + 'libnettle', + 'libgcrypt', # in debian base system + 'libcrypto', +] + +if get_option('sha1') != 'auto' + test_sha1 = [get_option('sha1')] +endif + +sha1_found = false +foreach t : test_sha1 + if t == 'libc' + if cc.has_function('SHA1Init') + sha1_found = true + sha1_dep = dependency('', required: false) + endif + elif t == 'CommonCrypto' + if cc.has_function('CC_SHA1_Init') + sha1_found = true + sha1_dep = dependency('', required: false) + endif + elif t == 'CryptoAPI' + if cc.has_header('wincrypt.h') + sha1_found = true + sha1_dep = dependency('', required: false) + endif + elif t == 'libmd' + md_dep = cc.find_library('md', required: false) + if md_dep.found() + sha1_found = true + sha1_dep = md_dep + endif + elif t == 'libsha1' + libsha1_dep = dependency('libsha1', required: false) + if libsha1_dep.found() + sha1_found = true + sha1_dep = libsha1_dep + endif + elif t == 'libnettle' + nettle_dep = dependency('nettle', required: false) + if nettle_dep.found() + sha1_found = true + sha1_dep = nettle_dep + endif + elif t == 'libgcrypt' + gcrypt_dep = dependency('libgcrypt', required: false) + if gcrypt_dep.found() + sha1_found = true + sha1_dep = gcrypt_dep + endif + elif t == 'libcrypto' + # we don't need all of OpenSSL, just libcrypto + libcrypto_dep = cc.find_library('crypto', required: false) + openssl_dep = dependency('openssl', required: false) + if libcrypto_dep.found() or openssl_dep.found() + sha1_found = true + if libcrypto_dep.found() + sha1_dep = libcrypto_dep + else + sha1_dep = openssl_dep + endif + endif + endif + + if sha1_found + sha1 = t + break + endif +endforeach + +if sha1_found + message('Using @0@ SHA1 functions'.format(sha1)) +else + if get_option('sha1') != 'auto' + error('@0@ SHA1 requested, but not found'.format(get_option('sha1'))) + else + error('No suitable SHA1 implementation found') + endif +endif xdmcp_dep = dependency('', required : false) if get_option('xdmcp') |