22e9afe40d987f4f90bc8469f9475df138fe6261 use sha256 command instead of sha256sum on FreeBSD (Murray Nesbitt)
Pull request description:
The FreeBSD version of `sha256sum` takes different arguments than the GNU version.
The `sha256_check` function in `contrib/install_db4.sh` has code specific to FreeBSD, however it doesn't get reached because while the `sha256sum` command does exist on FreeBSD, it is incompatible and results in an error:
```
sha256sum: option requires an argument -- c
usage: sha256sum [-pqrtx] [-c file] [-s string] [files ...]
```
This change moves the FreeBSD-specific code before the check for the `sha256sum` command.
Fixes: #26774
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b062da009001c1beb362169d700663d7220eef5e contrib: add check for wget command in install_db4.sh (Florian Baumgartl)
Pull request description:
This PR is motivated by 7bb8eb0bc3 commit (see also https://github.com/bitcoin/bitcoin/pull/23579) and ensures that `install_db4.sh` will check for `curl` and `wget` utilities. Currently, the conditional statement in the `http_get()` function assumes that `wget` is always available but we actually do not know it since there is no check or validation for the `wget` command. So let's make sure that we check for both commands and print an error message if they are missing.
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jamesob:
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shaavan:
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7bb8eb0bc352b47ee962283898f9becbb4f36c62 script install_db4.sh added check for patch command (Nathan Garabedian)
Pull request description:
First contribution. I've read the CONTRIBUTING guide and hope I'm doing this correctly, but please kindly point out anything I should do differently.
I found while running the contrib/install_db4.sh patch that it would fail suddenly with "patch: command not found". I'd rather see it fail early before doing any work, allow me to install the `patch` command, and then run again. (CentOS Linux) Here's a PR proposed to fix it.
error message:
```
...
db-4.8.30.NC/txn/txn_rec.c
db-4.8.30.NC/txn/txn_region.c
db-4.8.30.NC/txn/txn_stat.c
db-4.8.30.NC/txn/txn_util.c
./contrib/install_db4.sh: line 71: patch: command not found
```
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laanwj:
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92370033a2606ee88f4d080193e0bf6da481dc2e contrib: embed C++11 patch in install_db4.sh (jackielove4u)
Pull request description:
This is a continuation of https://github.com/bitcoin/bitcoin/pull/20665.
Closes#20722.
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