[Rpm-maint] Bootstrapping RPM for a new architecture

[Richard W.M. Jones]

Aha .. I found Mark Salter's aarch64 patch, which seems to
explain a few things.

Attached is the work-in-progress patch I am testing.

Rich.

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>From 316422050b8d129b109ee0a43fa9aae443c51023 Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones at redhat.com>
Date: Tue, 9 Aug 2016 18:25:24 +0100
Subject: [PATCH 2/2] RISCV 64 bit support.

Based on Mark Salter's aarch64 support patch (commit 8e1ca16c58).

Signed-off-by: Richard W.M. Jones <rjones at redhat.com>
---
 installplatform |  6 ++++++
 rpmrc.in        | 12 ++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/installplatform b/installplatform
index ebade42..12339fc 100755
--- a/installplatform
+++ b/installplatform
@@ -174,6 +174,12 @@ for ARCH in noarch `grep ^arch_canon $RPMRC | cut -d: -f2`; do
 	CANONARCH=m68k
 	CANONCOLOR=0
 	;;
+    riscv64)
+	ISANAME=riscv
+	ISABITS=64
+	CANONARCH=riscv64
+	CANONCOLOR=3
+	;;
     noarch)
 	CANONARCH=noarch
 	CANONCOLOR=0
diff --git a/rpmrc.in b/rpmrc.in
index e888b0f..f14ddc6 100644
--- a/rpmrc.in
+++ b/rpmrc.in
@@ -99,6 +99,8 @@ optflags: sh4a -O2 -g -mieee
 
 optflags: aarch64 -O2 -g
 
+optflags: riscv64 -O2 -g
+
 #############################################################
 # Architecture colors
 
@@ -147,6 +149,8 @@ archcolor: sh4 1
 
 archcolor: aarch64 2
 
+archcolor: riscv64 2
+
 #############################################################
 # Canonical arch names and numbers
 
@@ -243,6 +247,8 @@ arch_canon:	mipsr6el: mipsr6el	20
 arch_canon:	mips64r6: mips64r6	21
 arch_canon:	mips64r6el: mips64r6el	21
 
+arch_canon:	riscv64: riscv64	22
+
 #############################################################
 # Canonical OS names and numbers
 
@@ -368,6 +374,8 @@ buildarchtranslate: sh4a: sh4
 
 buildarchtranslate: aarch64: aarch64
 
+buildarchtranslate: riscv64: riscv64
+
 #############################################################
 # Architecture compatibility
 
@@ -473,6 +481,8 @@ arch_compat: sh4a: sh4
 
 arch_compat: aarch64: noarch
 
+arch_compat: riscv64: noarch
+
 os_compat:   IRIX64: IRIX
 os_compat: solaris2.7: solaris2.3 solaris2.4 solaris2.5 solaris2.6
 os_compat: solaris2.6: solaris2.3 solaris2.4 solaris2.5
@@ -506,6 +516,8 @@ buildarch_compat: ia64: noarch
 
 buildarch_compat: aarch64: noarch
 
+buildarch_compat: riscv64: noarch
+
 buildarch_compat: athlon: i686
 buildarch_compat: geode: i586
 buildarch_compat: pentium4: pentium3
-- 
2.7.4