4 files changed, 32 insertions, 10 deletions

diff --git a/meta/classes/insane.bbclass b/meta/classes/insane.bbclass
index 29b122e31d..2dc9ba31f7 100644
--- a/meta/classes/insane.bbclass
+++ b/meta/classes/insane.bbclass
@@ -105,6 +105,10 @@ def package_qa_get_machine_dict():
             "linux-gnux32" :       {
                         "x86_64":     (62,     0,    0,          True,          32),
                       },
+            "linux-gnun32" :       {
+                        "mips64":       ( 8,     0,    0,          False,         32),
+                        "mipsel64":     ( 8,     0,    0,          True,          32),
+                      },
         }
 
 
diff --git a/meta/classes/multilib_header.bbclass b/meta/classes/multilib_header.bbclass
index 867bce4134..639ed4ba53 100644
--- a/meta/classes/multilib_header.bbclass
+++ b/meta/classes/multilib_header.bbclass
@@ -1,16 +1,29 @@
 inherit siteinfo
 
-# If applicable on the architecture, this routine will rename the header and add
-# a unique identifier to the name for the ABI/bitsize that is being used.  A wrapper will
-# be generated for the architecture that knows how to call all of the ABI variants for that
-# given architecture.
-#
-# TODO: mips64 n32 is not yet recognized in this code
-# when that is identified the name of the wrapped item should be "n32" and appropriately
-# determined int he if coding...
+# If applicable on the architecture, this routine will rename the header and
+# add a unique identifier to the name for the ABI/bitsize that is being used.
+# A wrapper will be generated for the architecture that knows how to call
+# all of the ABI variants for that given architecture.
 #
 oe_multilib_header() {
-        # Do nothing on ARM, only one ABI is supported at once
+        # We use
+        # For ARM: We don't support multilib builds.
+        # For MIPS: "n32" is a special case, which needs to be
+        # distinct from both 64-bit and 32-bit.
+        case ${TARGET_ARCH} in
+        arm*)   return
+                ;;
+        mips*)  case "${MIPSPKGSFX_ABI}" in
+                "-n32")
+                       ident=n32   
+                       ;;
+                *)     
+                       ident=${SITEINFO_BITS}
+                       ;;
+                esac
+                ;;
+        *)      ident=${SITEINFO_BITS}
+        esac
         if echo ${TARGET_ARCH} | grep -q arm; then
             return
         fi
@@ -20,7 +33,6 @@ oe_multilib_header() {
               continue
            fi
            stem=$(echo $each_header | sed 's#\.h$##')
-           ident=${SITEINFO_BITS}
            # if mips64/n32 set ident to n32
            mv ${D}/${includedir}/$each_header ${D}/${includedir}/${stem}-${ident}.h
 
diff --git a/meta/classes/siteinfo.bbclass b/meta/classes/siteinfo.bbclass
index aab08676e8..e09d16a0fd 100644
--- a/meta/classes/siteinfo.bbclass
+++ b/meta/classes/siteinfo.bbclass
@@ -51,6 +51,7 @@ def siteinfo_data(d):
         "linux": "common-linux common-glibc",
         "linux-gnu": "common-linux common-glibc",
         "linux-gnux32": "common-linux common-glibc",
+        "linux-gnun32": "common-linux common-glibc",
         "linux-gnueabi": "common-linux common-glibc",
         "linux-gnuspe": "common-linux common-glibc",
         "linux-uclibc": "common-linux common-uclibc",
@@ -66,6 +67,10 @@ def siteinfo_data(d):
         "arm-linux-uclibceabi": "arm-linux-uclibc",
         "armeb-linux-gnueabi": "armeb-linux",
         "armeb-linux-uclibceabi": "armeb-linux-uclibc",
+        "mips-linux-gnun32": "mips-linux",
+        "mipsel-linux-gnun32": "mipsel-linux",
+        "mips64-linux-gnun32": "mips-linux",
+        "mips64el-linux-gnun32": "mipsel-linux",
         "powerpc-linux": "powerpc32-linux",
         "powerpc-linux-uclibc": "powerpc-linux powerpc32-linux",
         "powerpc-linux-gnuspe": "powerpc-linux powerpc32-linux",
diff --git a/meta/conf/machine/include/mips/arch-mips.inc b/meta/conf/machine/include/mips/arch-mips.inc
index 9f12920848..c390ff9206 100644
--- a/meta/conf/machine/include/mips/arch-mips.inc
+++ b/meta/conf/machine/include/mips/arch-mips.inc
@@ -17,6 +17,7 @@ TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "o32", "-mabi=32", "", d)}
 
 TUNEVALID[n32] = "MIPS64 n32 ABI"
 TUNECONFLICTS[n32] = "o32 n64"
+ABIEXTENSION .= "${@bb.utils.contains("TUNE_FEATURES", "n32", "n32", "" ,d)}"
 TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "n32", "-mabi=n32", "", d)}"
 
 TUNEVALID[n64] = "MIPS64 n64 ABI"