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commit 871bd23e4c41bb0fb94b72832b270766de540dea
Author: Alexis Ballier <alexis.ballier@gmail.com>
Date: Sat May 12 15:45:13 2012 -0400
Allow target autodetection to work when cross-compiling.
Allow CHOST to override the gcc -dumpmachine output. This allows to
use the target autodetection code when cross compiling by setting the
CHOST variable.
On Gentoo, we would like to support easy cross-compilation, and for
libvpx this would basically mean copying the code in
build/make/configure.sh to setup the right --target option. It seems a
lot easier to let it guess by itself.
Another option I considered was using CROSS-gcc instead but this would
not work for our multilib setups: They use gcc -m32 to build 32bits
binaries and gcc -m32 -dumpmachine will output the 64bits version,
which would then make libvpx wrongly believe it is building for a
64bits architecture.
Change-Id: I05a19be402228f749e23be7473ca53ae74fd2186
diff --git a/build/make/configure.sh b/build/make/configure.sh
index 3c772e5..3118c0a 100755
--- a/build/make/configure.sh
+++ b/build/make/configure.sh
@@ -549,7 +549,7 @@ setup_gnu_toolchain() {
process_common_toolchain() {
if [ -z "$toolchain" ]; then
- gcctarget="$(gcc -dumpmachine 2> /dev/null)"
+ gcctarget="${CHOST:-$(gcc -dumpmachine 2> /dev/null)}"
# detect tgt_isa
case "$gcctarget" in
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