On 7/2/2023 9:54 am, Eliot Moss wrote:
On 2/7/2023 11:34 AM, Yeo Kai Wei wrote:
On 7/2/2023 7:27 am, Eliot Moss wrote:
On 2/7/2023 10:03 AM, Yeo Kai Wei via Cygwin wrote:
On 7/2/2023 4:59 am, gs-cygwin....@gluelogic.com wrote:
On Tue, Feb 07, 2023 at 04:33:53AM +0800, Yeo Kai Wei wrote:
I updated Cygwin to 3.4.5-1.x86_64.
$ uname -a
CYGWIN_NT-10.0-19045 DESKTOP-P3E71RB 3.4.5-1.x86_64 2023-01-19
19:09 UTC x86_64 Cygwin
However, the same problem occurs.
Cygwn-devel doesn't seem to work.
$ gcc -o selectStdIn selectStdIn.c
selectStdIn.c:9:10: fatal error: sys/select.h: No such file or
directory
#include <sys/select.h>
^~~~~~~~~~~~~~
compilation terminated.
Well, on my system cygcheck -f /usr/include/sys/select.h clearly says
that the file came from cygwin-devel-3.4.3-1. Maybe you misspelled
cygwin-devel ? You do have to select the package explicitly, too.
EM
Hi Eliot,
I just reinstalled Cygwin but I'm unsure of what I missed.
I did "cygcheck -f /usr/include/sys/select.h" and it seems to tell me
that I do have cygwin-devel-3.4.5-1
Did I miss a step?
What gcc are you running? Maybe not cygwin's?
EM
Hi Eliot,
I used "cygcheck -cd" to show all the packages I have.
I can see "cygwin-devel 3.4.5-1".
$ cygcheck -cd
Cygwin Package Information
Package Version
_autorebase 001091-1
alternatives 1.3.30c-10
base-cygwin 3.8-2
base-files 4.3-3
bash 4.4.12-3
bzip2 1.0.8-1
ca-certificates 2022.2.54-3
coreutils 9.0-1
crypto-policies 20190218-1
cygutils 1.4.17-1
cygwin 3.4.5-1
cygwin-devel 3.4.5-1
dash 0.5.12-1
diffutils 3.9-1
editrights 1.03-1
file 5.44-1
findutils 4.9.0-1
gawk 5.2.1-2
getent 2.18.90-5
grep 3.8-2
groff 1.22.4-1
gzip 1.12-1
hostname 3.13-1
info 7.0.2-1
ipc-utils 1.0-2
less 590-1
libargp 20110921-3
libattr1 2.5.1-1.20.g0981a7bfe487
libblkid1 2.33.1-2
libbz2_1 1.0.8-1
libfdisk1 2.33.1-2
libffi6 3.2.1-2
libgcc1 11.3.0-1
libgdbm6 1.18.1-1
libgmp10 6.2.1-2
libiconv2 1.17-1
libintl8 0.21.1-2
liblz4_1 1.9.4-1
liblzma5 5.4.1-1
libmpfr6 4.2.0-1
libncursesw10 6.3-1.20220416
libp11-kit0 0.23.20-1
libpcre2_8_0 10.42-1
libpipeline1 1.5.6-1
libpopt-common 1.18-1
libpopt0 1.18-1
libreadline7 8.2-2
libsigsegv2 2.10-2
libsmartcols1 2.33.1-2
libssl1.1 1.1.1s-1
libstdc++6 11.3.0-1
libtasn1_6 4.14-1
libuuid1 2.33.1-2
libzstd1 1.5.2-1
login 1.13-1
man-db 2.11.2-1
mintty 3.6.3-1
ncurses 6.3-1.20220416
openssl 1.1.1s-1
p11-kit 0.23.20-1
p11-kit-trust 0.23.20-1
rebase 4.6.2-2
run 1.3.4-2
sed 4.9-1
tar 1.34-1
terminfo 6.3-1.20220416
terminfo-extra 6.3-1.20220416
tzcode 2022g-1
tzdata 2022g-1
util-linux 2.33.1-2
vim-minimal 8.2.4372-1
which 2.20-2
xz 5.4.1-1
zlib0 1.2.13-1
zstd 1.5.2-1
Additionally, what packages do I need to download for the following?
$ gcc -o basicFork basicFork.c
basicFork.c: In function 'main':
basicFork.c:14:9: error: 'SIGCHILD' undeclared (first use in this
function); did
you mean 'SIGILL'?
signal(SIGCHILD, SIG_IGN);
^~~~~~~~
SIGILL
basicFork.c:14:9: note: each undeclared identifier is reported only once
for eac
h function it appears in
basicFork.c:19:14: warning: implicit declaration of function 'fork'
[-Wimplicit-
function-declaration]
pid_t pid = fork();
Thank you.
Kind Regards,
YEO Kai Wei
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