[glibc] Add RISC-V 32-bit target to build-many-glibcs.py

[glibc] Add RISC-V 32-bit target to build-many-glibcs.py

[Alistair Francis]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=567b1705017a0876b1cf9661a20521ef1e4ddc54

commit 567b1705017a0876b1cf9661a20521ef1e4ddc54
Author: Zong Li <zongbox@gmail.com>
Date:   Fri Nov 30 17:18:40 2018 +0800

    Add RISC-V 32-bit target to build-many-glibcs.py
    
    Support building three variants of 32-bit RISC-V glibc as follows:
    - riscv32-linux-gnu-rv32imac-ilp32
    - riscv32-linux-gnu-rv32imafdc-ilp32
    - riscv32-linux-gnu-rv32imafdc-ilp32d
    
    Reviewed-by: Maciej W. Rozycki <macro@wdc.com>

Diff:
---
 scripts/build-many-glibcs.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/scripts/build-many-glibcs.py b/scripts/build-many-glibcs.py
index 687c056b7a..31684eaee2 100755
--- a/scripts/build-many-glibcs.py
+++ b/scripts/build-many-glibcs.py
@@ -348,6 +348,21 @@ class Context(object):
         self.add_config(arch='powerpc64le',
                         os_name='linux-gnu',
                         gcc_cfg=['--disable-multilib', '--enable-secureplt'])
+        self.add_config(arch='riscv32',
+                        os_name='linux-gnu',
+                        variant='rv32imac-ilp32',
+                        gcc_cfg=['--with-arch=rv32imac', '--with-abi=ilp32',
+                                 '--disable-multilib'])
+        self.add_config(arch='riscv32',
+                        os_name='linux-gnu',
+                        variant='rv32imafdc-ilp32',
+                        gcc_cfg=['--with-arch=rv32imafdc', '--with-abi=ilp32',
+                                 '--disable-multilib'])
+        self.add_config(arch='riscv32',
+                        os_name='linux-gnu',
+                        variant='rv32imafdc-ilp32d',
+                        gcc_cfg=['--with-arch=rv32imafdc', '--with-abi=ilp32d',
+                                 '--disable-multilib'])
         self.add_config(arch='riscv64',
                         os_name='linux-gnu',
                         variant='rv64imac-lp64',