mirror of https://github.com/wolfSSL/wolfssh.git
44dc148dbd
Historically, some systems have used <sys/errno.h> in place of <errno.h>, but the C standard,
all the way back to C89/Ansi C, specifies that the correct name is `errno.h` -
and most modern compilers create a sys/errno.h compatibility shim sys/errno.h -
but musl-gcc does not have this compatibility shim,
reasoning that sys/errno.h is non-standard, and fails to compile:
```
$ CC=musl-gcc ./configure --enable-static --disable-shared --enable-scp --enable-sftp --enable-shell --with-wolfssl=wolfssl/install-musl
(...)
$ make
make -j17 all-am
make[1]: Entering directory '/home/hans/projects/wolfssh'
CC examples/client/common.o
CC examples/client/client.o
CC src/libwolfssh_la-ssh.lo
CC src/libwolfssh_la-internal.lo
CC src/libwolfssh_la-log.lo
CC src/libwolfssh_la-port.lo
CC src/libwolfssh_la-io.lo
CC src/libwolfssh_la-wolfscp.lo
CC src/libwolfssh_la-wolfsftp.lo
CC examples/echoserver/echoserver.o
CC src/libwolfssh_la-wolfterm.lo
CC examples/sftpclient/sftpclient.o
CC examples/scpclient/scpclient.o
In file included from examples/echoserver/echoserver.c:91:
/usr/include/x86_64-linux-musl/sys/errno.h:1:2: error: #warning redirecting incorrect #include <sys/errno.h> to <errno.h> [-Werror=cpp]
1 | #warning redirecting incorrect #include <sys/errno.h> to <errno.h>
| ^~~~~~~
cc1: all warnings being treated as errors
make[1]: *** [Makefile:1452: examples/echoserver/echoserver.o] Error 1
make[1]: *** Waiting for unfinished jobs....
make[1]: Leaving directory '/home/hans/projects/wolfssh'
make: *** [Makefile:1020: all] Error 2
```
so, unless we need to support pre-C89 (35+ year old C) compilers,
we can just replace sys/errno.h with errno.h.
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|---|---|---|
| .. | ||
| client | ||
| echoserver | ||
| portfwd | ||
| scpclient | ||
| sftpclient | ||
| include.am | ||