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RE: /usr/bin/ld: cannot find -lcurses #2604

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vicuna opened this issue Oct 30, 2000 · 2 comments
Closed

RE: /usr/bin/ld: cannot find -lcurses #2604

vicuna opened this issue Oct 30, 2000 · 2 comments
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@vicuna
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vicuna commented Oct 30, 2000

Original bug ID: 216
Reporter: administrator
Status: closed
Resolution: not a bug
Priority: normal
Severity: minor
Category: ~DO NOT USE (was: OCaml general)

Bug description

I don't think it is a CAML-bug, it just some package or similar that isn't
installed on my machine. However, curses is so normal so I can't understand
why. I hoped somewhere out there had the same problem and just tell me what
is missing.

/mattias

-----Original Message-----
From: Pierre Weis [mailto:Pierre.Weis@inria.fr]
Sent: Monday, October 30, 2000 8:26 AM
To: Mattias Waldau
Cc: caml-bugs@inria.fr
Subject: Re: /usr/bin/ld: cannot find -lcurses

Hi,

Thank you for your message to the Caml mailing list.

However your message seems to be a bug report; hence I send it to the
relevant mailing list

caml-bugs@inria.fr

Thank again for your interest in Caml.

Pierre Weis

INRIA, Projet Cristal, Pierre.Weis@inria.fr, http://cristal.inria.fr/~weis/

From: "Mattias Waldau" mattias.waldau@abc.se
To: "Caml-List" caml-list@inria.fr

Problem linking a program using the optimizing compiler, it works using
the
ordinary byte-code compiler.

I use a vanilla-redhat 6.2, with standard developments tools installed.
What
have I forgotten?

/mattias waldau

[mattias@pro@fforum extract]$ make all
ocamlc -g -c dir.mli
ocamlc -g -c dir.ml
ocamlc -g -c column.mli
ocamlc -g -c column.ml
ocamlc -g -c regexp.mli
ocamlc -g -c regexp.ml
ocamlc -g -c extract.mli
ocamlc -g -c extract.ml
ocamlc -g -c source.mli
ocamlc -g -c source.ml
ocamlc -g -o all -custom str.cma unix.cma dir.cmo column.cmo regexp.cmo
extract.cmo source.cmo
[mattias@pro@fforum extract]$ make opt
ocamlopt -inline 10 -unsafe -c dir.ml
ocamlopt -inline 10 -unsafe -c column.ml
ocamlopt -inline 10 -unsafe -c regexp.ml
ocamlopt -inline 10 -unsafe -c extract.ml
ocamlopt -inline 10 -unsafe -c source.ml
ocamlopt -inline 10 -unsafe -o opt unix.cmxa str.cmxa -ccopt -static
dir.cmx column.cmx regexp.cmx extract.cmx source.cmx
/usr/bin/ld: cannot find -lcurses
collect2: ld returned 1 exit status
Error during linking
make: *** [opt] Error 2
@vicuna
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vicuna commented Oct 30, 2000

Comment author: administrator

I don't think it is a CAML-bug, it just some package or similar that isn't
installed on my machine. However, curses is so normal so I can't understand
why. I hoped somewhere out there had the same problem and just tell me what
is missing.

Actually, both byte-code and native-code compiled programs need curses.
The problem is a little bit more subtle.

ocamlopt -inline 10 -unsafe -o opt unix.cmxa str.cmxa -ccopt -static
dir.cmx column.cmx regexp.cmx extract.cmx source.cmx
/usr/bin/ld: cannot find -lcurses

You're linking with -static, so you need static versions of all the libraries.
But RedHat has a dynamic version of curses but no static version. It's
essentially a RedHat bug. Fortunately, the fix is simple: in /usr/lib,
make a symbolic link from libcurses.a to libncurses.a:

ln -s /usr/lib/libncurses.a /usr/lib/libcurses.a

-- Damien

@vicuna vicuna closed this as completed Oct 30, 2000
@vicuna
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vicuna commented Oct 30, 2000

Comment author: administrator

thanks, it works!

-----Original Message-----
From: Damien Doligez [mailto:caml-bugs@pauillac.inria.fr]
Sent: Monday, October 30, 2000 11:31 AM
To: mattias.waldau@abc.se
Subject: RE: /usr/bin/ld: cannot find -lcurses (#2604)

I don't think it is a CAML-bug, it just some package or similar that isn't
installed on my machine. However, curses is so normal so I can't
understand
why. I hoped somewhere out there had the same problem and just tell me
what
is missing.

Actually, both byte-code and native-code compiled programs need curses.
The problem is a little bit more subtle.

ocamlopt -inline 10 -unsafe -o opt unix.cmxa str.cmxa -ccopt -static
dir.cmx column.cmx regexp.cmx extract.cmx source.cmx
/usr/bin/ld: cannot find -lcurses

You're linking with -static, so you need static versions of all the
libraries.
But RedHat has a dynamic version of curses but no static version. It's
essentially a RedHat bug. Fortunately, the fix is simple: in /usr/lib,
make a symbolic link from libcurses.a to libncurses.a:

ln -s /usr/lib/libncurses.a /usr/lib/libcurses.a

-- Damien

@vicuna vicuna added the bug label Mar 19, 2019
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