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7beb7a55a1
They were preserved in the `"${build}" != "${host}"` case, but not in the
`"${build}" = "${host}"` case.
Each of the following commands produces the same build directory with and
without the patch:
./configure --build=x86_64-make_autoconf_enable_cross_compiling-linux-gnu --host=x86_64-linux-gnu
CC_FOR_BUILD=/tmp/gcc_for_build ./configure --build=x86_64-make_autoconf_enable_cross_compiling-linux-gnu --host=x86_64-linux-gnu
./configure
The following command produces a Makefile containing `CC_FOR_BUILD = $(CC)`
without the patch and containing `CC_FOR_BUILD = /tmp/gcc_for_build` with the
patch:
CC_FOR_BUILD=/tmp/gcc_for_build ./configure
ChangeLog:
* configure.ac: Preserve *_FOR_BUILD environment variables in all cases.
* configure: Regenerate.
Signed-off-by: Manuel Jacob <me@manueljacob.de>
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