summaryrefslogtreecommitdiffstats
path: root/meta/classes/meson.bbclass
blob: 83aa854b7e9d5119c29f4a48e303bd113674516d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
inherit siteinfo python3native

DEPENDS_append = " meson-native ninja-native"

# As Meson enforces out-of-tree builds we can just use cleandirs
B = "${WORKDIR}/build"
do_configure[cleandirs] = "${B}"

# Where the meson.build build configuration is
MESON_SOURCEPATH = "${S}"

def noprefix(var, d):
    return d.getVar(var).replace(d.getVar('prefix') + '/', '', 1)

MESON_BUILDTYPE ?= "plain"
MESONOPTS = " --prefix ${prefix} \
              --buildtype ${MESON_BUILDTYPE} \
              --bindir ${@noprefix('bindir', d)} \
              --sbindir ${@noprefix('sbindir', d)} \
              --datadir ${@noprefix('datadir', d)} \
              --libdir ${@noprefix('libdir', d)} \
              --libexecdir ${@noprefix('libexecdir', d)} \
              --includedir ${@noprefix('includedir', d)} \
              --mandir ${@noprefix('mandir', d)} \
              --infodir ${@noprefix('infodir', d)} \
              --sysconfdir ${sysconfdir} \
              --localstatedir ${localstatedir} \
              --sharedstatedir ${sharedstatedir} \
              --wrap-mode nodownload"

EXTRA_OEMESON_append = " ${PACKAGECONFIG_CONFARGS}"

MESON_CROSS_FILE = ""
MESON_CROSS_FILE_class-target = "--cross-file ${WORKDIR}/meson.cross"
MESON_CROSS_FILE_class-nativesdk = "--cross-file ${WORKDIR}/meson.cross"

def meson_array(var, d):
    items = d.getVar(var).split()
    return repr(items[0] if len(items) == 1 else items)

# Map our ARCH values to what Meson expects:
# http://mesonbuild.com/Reference-tables.html#cpu-families
def meson_cpu_family(var, d):
    import re
    arch = d.getVar(var)
    if arch == 'powerpc':
        return 'ppc'
    elif arch == 'powerpc64' or arch == 'powerpc64le':
        return 'ppc64'
    elif arch == 'armeb':
        return 'arm'
    elif arch == 'aarch64_be':
        return 'aarch64'
    elif arch == 'mipsel':
        return 'mips'
    elif arch == 'mips64el':
        return 'mips64'
    elif re.match(r"i[3-6]86", arch):
        return "x86"
    elif arch == "microblazeel":
        return "microblaze"
    else:
        return arch

# Map our OS values to what Meson expects:
# https://mesonbuild.com/Reference-tables.html#operating-system-names
def meson_operating_system(var, d):
    os = d.getVar(var)
    if "mingw" in os:
        return "windows"
    # avoid e.g 'linux-gnueabi'
    elif "linux" in os:
        return "linux"
    else:
        return os

def meson_endian(prefix, d):
    arch, os = d.getVar(prefix + "_ARCH"), d.getVar(prefix + "_OS")
    sitedata = siteinfo_data_for_machine(arch, os, d)
    if "endian-little" in sitedata:
        return "little"
    elif "endian-big" in sitedata:
        return "big"
    else:
        bb.fatal("Cannot determine endianism for %s-%s" % (arch, os))

addtask write_config before do_configure
do_write_config[vardeps] += "CC CXX LD AR NM STRIP READELF CFLAGS CXXFLAGS LDFLAGS"
do_write_config() {
    # This needs to be Py to split the args into single-element lists
    cat >${WORKDIR}/meson.cross <<EOF
[binaries]
c = ${@meson_array('CC', d)}
cpp = ${@meson_array('CXX', d)}
ar = ${@meson_array('AR', d)}
nm = ${@meson_array('NM', d)}
strip = ${@meson_array('STRIP', d)}
readelf = ${@meson_array('READELF', d)}
pkgconfig = 'pkg-config'
llvm-config = 'llvm-config${LLVMVERSION}'
cups-config = 'cups-config'

[properties]
needs_exe_wrapper = true
c_args = ${@meson_array('CFLAGS', d)}
c_link_args = ${@meson_array('LDFLAGS', d)}
cpp_args = ${@meson_array('CXXFLAGS', d)}
cpp_link_args = ${@meson_array('LDFLAGS', d)}
gtkdoc_exe_wrapper = '${B}/gtkdoc-qemuwrapper'

[host_machine]
system = '${@meson_operating_system('HOST_OS', d)}'
cpu_family = '${@meson_cpu_family('HOST_ARCH', d)}'
cpu = '${HOST_ARCH}'
endian = '${@meson_endian('HOST', d)}'

[target_machine]
system = '${@meson_operating_system('TARGET_OS', d)}'
cpu_family = '${@meson_cpu_family('TARGET_ARCH', d)}'
cpu = '${TARGET_ARCH}'
endian = '${@meson_endian('TARGET', d)}'
EOF
}

CONFIGURE_FILES = "meson.build"

meson_do_configure() {
    # Meson requires this to be 'bfd, 'lld' or 'gold' from 0.53 onwards
    # https://github.com/mesonbuild/meson/commit/ef9aeb188ea2bc7353e59916c18901cde90fa2b3
    unset LD

    # Work around "Meson fails if /tmp is mounted with noexec #2972"
    mkdir -p "${B}/meson-private/tmp"
    export TMPDIR="${B}/meson-private/tmp"
    bbnote Executing meson ${EXTRA_OEMESON}...
    if ! meson ${MESONOPTS} "${MESON_SOURCEPATH}" "${B}" ${MESON_CROSS_FILE} ${EXTRA_OEMESON}; then
        bbfatal_log meson failed
    fi
}

override_native_tools() {
    # Set these so that meson uses the native tools for its build sanity tests,
    # which require executables to be runnable. The cross file will still
    # override these for the target build.
    export CC="${BUILD_CC}"
    export CXX="${BUILD_CXX}"
    export LD="${BUILD_LD}"
    export AR="${BUILD_AR}"
    export STRIP="${BUILD_STRIP}"
    # These contain *target* flags but will be used as *native* flags.  The
    # correct native flags will be passed via -Dc_args and so on, unset them so
    # they don't interfere with tools invoked by Meson (such as g-ir-scanner)
    unset CPPFLAGS CFLAGS CXXFLAGS LDFLAGS
}

meson_do_configure_prepend_class-target() {
    override_native_tools
}

meson_do_configure_prepend_class-nativesdk() {
    override_native_tools
}

meson_do_configure_prepend_class-native() {
    export PKG_CONFIG="pkg-config-native"
}

python meson_do_qa_configure() {
    import re
    warn_re = re.compile(r"^WARNING: Cross property (.+) is using default value (.+)$", re.MULTILINE)
    with open(d.expand("${B}/meson-logs/meson-log.txt")) as logfile:
        log = logfile.read()
    for (prop, value) in warn_re.findall(log):
        bb.warn("Meson cross property %s used without explicit assignment, defaulting to %s" % (prop, value))
}
do_configure[postfuncs] += "meson_do_qa_configure"

do_compile[progress] = "outof:^\[(\d+)/(\d+)\]\s+"
meson_do_compile() {
    ninja -v ${PARALLEL_MAKE}
}

meson_do_install() {
    DESTDIR='${D}' ninja -v ${PARALLEL_MAKEINST} install
}

EXPORT_FUNCTIONS do_configure do_compile do_install