Add support for 32 and 64-bit PA-RISC linux build targets.

Note: The 64-bit target lacks a glibc port and doesn't build. Also,
there is no uclibc support.

Signed-off-by: John David Anglin <dave.anglin@bell.net>

config/arch/parisc.in

@@ -0,0 +1,11 @@
+# HP PA-RISC specific configuration file
+
+## no-package
+## select ARCH_SUPPORTS_32
+## select ARCH_SUPPORTS_64
+## select ARCH_DEFAULT_32
+## select ARCH_DEFAULT_BE
+## select ARCH_USE_MMU
+## select ARCH_SUPPORTS_FLAT_FORMAT
+##
+## help The parisc architecture

config/libc/glibc.in

@@ -127,7 +127,7 @@ config GLIBC_HAS_LIBIDN_ADDON
 # we can find in config/arch/*
 config GLIBC_USE_PORTS_ADDON
     def_bool y
-    depends on ARCH_ALPHA || ARCH_ARM || ARCH_M68K || ARCH_MIPS || ARCH_POWERPC
+    depends on ARCH_ALPHA || ARCH_ARM || ARCH_M68K || ARCH_MIPS || ARCH_PARISC || ARCH_POWERPC
     depends on GLIBC_HAS_PORTS_ADDON
     depends on !GLIBC_USE_ORACLE
 

scripts/build/arch/parisc.sh

@@ -0,0 +1,14 @@
+# Compute parisc-specific values
+
+CT_DoArchTupleValues()
+{
+    # The architecture part of the tuple:
+    CT_TARGET_ARCH="${CT_ARCH}${CT_ARCH_SUFFIX}"
+}
+
+CT_DoArchUClibcConfig()
+{
+    local cfg="${1}"
+
+    CT_DoArchUClibcSelectArch "${cfg}" "parisc"
+}