configure.ac: fix erroneous bashisms #390
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An autoconf generated script is designed to work with POSIX sh, and contains a /bin/sh shebang. As a result, it *cannot* assume it will be run with bash, as it won't be. POSIX sh provides no way to extend the contents of a variable. A bash-specific extension is to use the += notation. Instead, the standard (albeit somewhat more wordy) POSIX compatible approach is to expand the previous contents into a regular assignment. Do so. Fixes: https://bugs.gentoo.org/923989 * QA Notice: Abnormal configure code * * ./configure: 4927: CFLAGS+= -m32: not found
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@eli-schwartz Thanks. PR merged. |
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An autoconf generated script is designed to work with POSIX sh, and contains a /bin/sh shebang. As a result, it cannot assume it will be run with bash, as it won't be.
POSIX sh provides no way to extend the contents of a variable. A bash-specific extension is to use the += notation.
Instead, the standard (albeit somewhat more wordy) POSIX compatible approach is to expand the previous contents into a regular assignment. Do so.
Fixes: https://bugs.gentoo.org/923989