Re: [Libguestfs] [PATCH] configure: simplify the qemu cpu mapping

Use AS_CASE to properly map from the host cpu to the qemu cpu suffix; this avoids doing multiple string replacements using sed, and it is possible to use case-like syntax. --- configure.ac | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) diff --git a/configure.ac b/configure.ac index a571de5..75dfb37 100644 --- a/configure.ac +++ b/configure.ac @@ -755,15 +755,13 @@ AC_DEFINE_UNQUOTED([UNZIP],["$UNZIP"],[Name of unzip program.]) dnl Check for QEMU for running binaries on this $host_cpu, fall dnl back to basic 'qemu'. Allow the user to override it. -qemu_system="$( - echo qemu-system-$host_cpu | - $SED -e 's/-i@<:@456@:>@86/-i386/g' \ - -e 's/-arm.*/-arm/g' \ - -e 's/-amd64/-x86_64/g' \ - -e 's/-powerpc64/-ppc64/g' \ - -e 's/-ppc64le/-ppc64/g' - )" -default_qemu="qemu-kvm kvm $qemu_system qemu" +AS_CASE([$host_cpu], + [i@<:@456@:>@86],[qemu_cpu=i386], + [arm*],[qemu_cpu=arm], + [amd64],[qemu_cpu=x86_64], + [powerpc64 | ppc64le],[qemu_cpu=ppc64], + [qemu_cpu=$host_cpu]) +default_qemu="qemu-kvm kvm qemu-system-$qemu_cpu qemu" AC_ARG_WITH([qemu], [AS_HELP_STRING([--with-qemu="bin1 bin2 ..."], [set default QEMU binary @<:@default="[qemu-kvm] qemu-system-<host> qemu"@:>@])], -- 1.9.3