[oe-commits] [openembedded-core] 02/14: meson: map architecture to correct values in cross file

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rpurdie pushed a commit to branch master-next
in repository openembedded-core.

commit 49c55c7d92e208202cc19d5299ea960f53691ef7
Author: Ross Burton <ross.burton at intel.com>
AuthorDate: Tue Jul 3 14:04:10 2018 +0100

    meson: map architecture to correct values in cross file
    
    The cross file specifies the host/target cpu_family, which should be one of a
    defined set of values[1] but if it isn't Meson won't complain and instead
    recipes may behave unexpectedly.
    
    [1] http://mesonbuild.com/Reference-tables.html#cpu-families
    
    Signed-off-by: Ross Burton <ross.burton at intel.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/classes/meson.bbclass | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/meta/classes/meson.bbclass b/meta/classes/meson.bbclass
index c36b634..d615a84 100644
--- a/meta/classes/meson.bbclass
+++ b/meta/classes/meson.bbclass
@@ -45,6 +45,18 @@ 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 re.match(r"i[3-6]86", arch):
+        return "x86"
+    else:
+        return arch
+
 addtask write_config before do_configure
 do_write_config[vardeps] += "MESON_C_ARGS MESON_CPP_ARGS MESON_LINK_ARGS CC CXX LD AR NM STRIP READELF"
 do_write_config() {
@@ -70,13 +82,13 @@ gtkdoc_exe_wrapper = '${B}/gtkdoc-qemuwrapper'
 
 [host_machine]
 system = '${HOST_OS}'
-cpu_family = '${HOST_ARCH}'
+cpu_family = '${@meson_cpu_family('HOST_ARCH', d)}'
 cpu = '${HOST_ARCH}'
 endian = '${MESON_HOST_ENDIAN}'
 
 [target_machine]
 system = '${TARGET_OS}'
-cpu_family = '${TARGET_ARCH}'
+cpu_family = '${@meson_cpu_family('TARGET_ARCH', d)}'
 cpu = '${TARGET_ARCH}'
 endian = '${MESON_TARGET_ENDIAN}'
 EOF

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