build: prevent binary downloads for non x86 architectures

download_externals: Add check for i686 and i386 (in addition
to the current x86_64) and exit if not one of the three.

ASTERISK-26497

Change-Id: Ia4d429fcefa5b2f5b6e99159d4607de8e8325b2f

diff --git a/build_tools/download_externals b/build_tools/download_externals
index f27271fd5a53cf9f434f4ff565d33c76236c4288..54a604e5ef6860015298ead757c5ff95b01934a6 100755 (executable)
--- a/build_tools/download_externals
+++ b/build_tools/download_externals
@@ -73,8 +73,13 @@ major_version=${major_version}.0
 
 if [[ "${HOST_CPU}" = "x86_64" ]] ; then
        host_bits=64
-else
+elif [[ "${HOST_CPU}" = "i386" ]] ; then
+       host_bits=32
+elif [[ "${HOST_CPU}" = "i686" ]] ; then
        host_bits=32
+else
+       echo "${module_name}: External module downloading is not available for the ${HOST_CPU} platform.  Only x86 based platforms are currently supported.  Please disable this module in menuselect."
+       exit 1
 fi
 
 if [[ -z "${variant}" ]] ; then