meson.bbclass: split python routines into a separate class

This allows reusing them in nativesdk-meson without copy-pasting code.

(From OE-Core rev: f2715f5f2a56f9b660f9f0fe2933ec231a2dd8c0)

Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 51 insertions, 0 deletions

diff --git a/meta/classes/meson-routines.bbclass b/meta/classes/meson-routines.bbclass
new file mode 100644
index 0000000000..be3aeedeba
--- /dev/null
+++ b/meta/classes/meson-routines.bbclass
@@ -0,0 +1,51 @@
+inherit siteinfo
+
+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))