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configure: do not detect incorrect cross-compiler

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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 eb267ade29

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.
This commit is contained in:
Olivier Blin 2012-12-15 01:58:59 +01:00 • committed by Takashi Iwai
parent 72bbf96e1f
commit b11911dddf
1 changed files with 1 additions and 1 deletions
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2
configure.in
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@ -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