[RFC PATCH 02/12] configure: add missing cross compiler fallbacks

[Paolo Bonzini <pbonzini@redhat.com>]

The arm compiler can be used for armeb, and the sparc64 compiler
can be used for sparc.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 configure | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index 5d136492f8..a208459ff1 100755
--- a/configure
+++ b/configure
@@ -1845,6 +1845,7 @@ fi
 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
 : ${cross_cc_alpha="alpha-linux-gnu-gcc"}
 : ${cross_cc_arm="arm-linux-gnueabihf-gcc"}
+: ${cross_cc_armeb="$cross_cc_arm"}
 : ${cross_cc_cflags_armeb="-mbig-endian"}
 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
 : ${cross_cc_cflags_hexagon="-mv67 -O2 -static"}
@@ -1867,9 +1868,10 @@ fi
 : ${cross_cc_riscv64="riscv64-linux-gnu-gcc"}
 : ${cross_cc_s390x="s390x-linux-gnu-gcc"}
 : ${cross_cc_sh4="sh4-linux-gnu-gcc"}
-: ${cross_cc_cflags_sparc="-m32 -mv8plus -mcpu=ultrasparc"}
 : ${cross_cc_sparc64="sparc64-linux-gnu-gcc"}
 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
+: ${cross_cc_sparc="$cross_cc_sparc64"}
+: ${cross_cc_cflags_sparc="-m32 -mv8plus -mcpu=ultrasparc"}
 : ${cross_cc_x86_64="x86_64-linux-gnu-gcc"}
 : ${cross_cc_cflags_x86_64="-m64"}
 
-- 
2.35.1