configure.ac: remove Bashism #23557
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configure.ac: remove Bashism #23557
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Concept ACK. It seems the proper way to achieve |
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Is there a way to turn the warning into an error? We use dash in the CI, but no one is going to read the logs to find those errors. See https://cirrus-ci.com/task/5279449093505024?logs=ci#L1704 |
On my Gentoo system, because this particular mistake is so common, I have a post-configure check on all builds: It's a brittle check, but it's helped me catch and fix at least a dozen Bashisms in various packages. |
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ACK cf72925. |
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Code review ACK cf72925 Obvious agree that it would be good if these kind of errors were actually fatal errors. |
sidhujag
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Nov 22, 2021
cf72925 configure.ac: remove Bashism (Matt Whitlock) Pull request description: Configure scripts are supposed to adhere to the POSIX shell language. The POSIX `test` builtin does not implement an `==` operator. Bash does, but not all systems have Bash installed as `/bin/sh`. In particular, many systems use the lighter-weight Dash as the default POSIX shell. Dash emits the following error when running `configure`: ``` ./configure: 39065: test: xno: unexpected operator ``` This PR removes the Bashism and restores correct operation with POSIX-compliant shells like Dash. ACKs for top commit: katesalazar: ACK cf72925. laanwj: Code review ACK cf72925 Tree-SHA512: 578c873fba52e0472baed9e024bddcf58a0e088600bd5854f3011f1f8d135773ad923bb16baefc960d17ecedee9cc980b36aaa70fb32eb9bc7de93f7fe60541d
sidhujag
pushed a commit
to syscoin/syscoin
that referenced
this pull request
Nov 23, 2021
cf72925 configure.ac: remove Bashism (Matt Whitlock) Pull request description: Configure scripts are supposed to adhere to the POSIX shell language. The POSIX `test` builtin does not implement an `==` operator. Bash does, but not all systems have Bash installed as `/bin/sh`. In particular, many systems use the lighter-weight Dash as the default POSIX shell. Dash emits the following error when running `configure`: ``` ./configure: 39065: test: xno: unexpected operator ``` This PR removes the Bashism and restores correct operation with POSIX-compliant shells like Dash. ACKs for top commit: katesalazar: ACK cf72925. laanwj: Code review ACK cf72925 Tree-SHA512: 578c873fba52e0472baed9e024bddcf58a0e088600bd5854f3011f1f8d135773ad923bb16baefc960d17ecedee9cc980b36aaa70fb32eb9bc7de93f7fe60541d
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Configure scripts are supposed to adhere to the POSIX shell language. The POSIX
testbuiltin does not implement an==operator. Bash does, but not all systems have Bash installed as/bin/sh. In particular, many systems use the lighter-weight Dash as the default POSIX shell. Dash emits the following error when runningconfigure:This PR removes the Bashism and restores correct operation with POSIX-compliant shells like Dash.