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From: Richard Thomas <rich_d_thomas AT hotmail DOT com>
To: <cygwin AT cygwin DOT com>
Subject: ARG_MAX not defined
Date: Fri, 3 Nov 2006 21:35:37 +0000
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Hi,

I tried to make netkit-ftp-0.17 within cygwin and I got the following result:

$ make
(cd  ftp && make)
make[1]: Entering directory `/home/Richard/netkit-ftp-0.17/ftp'
gcc -O2 -Wall -W -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wstrict-protot
ypes -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline  -D__
USE_READLINE__ cmds.c -c
cmds.c: In function `restart':
cmds.c:2230: warning: long int format, different type arg (arg 2)
gcc -O2 -Wall -W -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wstrict-protot
ypes -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline  -D__
USE_READLINE__ cmdtab.c -c
gcc -O2 -Wall -W -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wstrict-protot
ypes -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline  -D__
USE_READLINE__ domacro.c -c
gcc -O2 -Wall -W -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wstrict-protot
ypes -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline  -D__
USE_READLINE__ ftp.c -c
ftp.c: In function `recvrequest':
ftp.c:886: warning: comparison between signed and unsigned
gcc -O2 -Wall -W -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wstrict-protot
ypes -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline  -D__
USE_READLINE__ glob.c -c
glob.c: In function `ftpglob':
glob.c:118: error: `ARG_MAX' undeclared (first use in this function)
glob.c:118: error: (Each undeclared identifier is reported only once
glob.c:118: error: for each function it appears in.)
glob.c:118: warning: unused variable `agargv'
glob.c: In function `ginit':
glob.c:159: error: `ARG_MAX' undeclared (first use in this function)
glob.c: In function `Gcat':
glob.c:574: error: `ARG_MAX' undeclared (first use in this function)
make[1]: *** [glob.o] Error 1
make[1]: Leaving directory `/home/Richard/netkit-ftp-0.17/ftp'
make: *** [ftp.build] Error 2



As a result, I edited C:\cygwin\usr\include\limits.h and inserted the following line:

#define ARG_MAX			_POSIX_ARG_MAX

below the "#define RTSIG_MAX		_POSIX_RTSIG_MAX" line.

and I then successfully built netkit-ftp-0.17.

If this is the right thing to do, can the limits.h file be updated to include this change?



 _        ___
|_)        |
| \ICHARD  |HOMAS.

rich_d_thomas AT bigfoot DOT com

rdthomas.welcome.to
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