[alsa-devel] [PATCH] configure: do not detect incorrect cross-compiler
Olivier Blin
dev at blino.org
Sat Dec 15 01:58:59 CET 2012
On Ubuntu 11.04, configuring with --build=x86_64-unknown-linux-gnu
--host=x86_64-linux-gnu finds a wrong cross-compiler:
checking for cross-compiler... x86_64-x86_64-pc-linux-gnu-gcc
This happens because of a dash vs underscore inconsistency in configure.in:
host=x86_64-pc-linux-gnu
host_cpu=x86_64
host_os=linux-gnu
which ${host_cpu}-${host_os}-gcc >/dev/null 2>&1 && echo ${host_cpu}-${host-os}-gcc
This bug has been introduced in the initial --with-host support from
2002, commit eb267ade29c9a49c07b1c33dc9bf7a6790217400
This configure command is about "cross-compiling for i586", where the
system compiler is used, which just -m32 additional options.
The --build value comes from config.guess.
---
configure.in | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/configure.in b/configure.in
index e397dad..4af917b 100644
--- a/configure.in
+++ b/configure.in
@@ -31,7 +31,7 @@ then
which ${program_prefix}gcc >/dev/null 2>&1 && CC=${program_prefix}gcc
which ${host_cpu}-${host_os}-gcc >/dev/null 2>&1 \
- && CC=${host_cpu}-${host-os}-gcc
+ && CC=${host_cpu}-${host_os}-gcc
which ${host_cpu}-${host_vendor}-${host_os}-gcc >/dev/null 2>&1 \
&& CC=${host_cpu}-${host_vendor}-${host_os}-gcc
--
1.8.0.2
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