When trying to install on Mac : interpreter.go: bad #cgo option: darwin tcl85 CFLAGS

[serge-hulne]

Hi,

I have now been able to use your "gothic" library successfully under Linux, however when attempting to install it on a Mac, I got the error message:

"interpreter.go: bad #cgo option: darwin tcl85 CFLAGS"

Although the version of tcl / tk is indeed the 8.5 one (I checked).

Is there a way around this ?

Thanks,

Serge.

[nsf]

What version of the go compiler are you using? (run: go version)

[nsf]

Okay with help from @dominikh on irc, I've found the source of that error, it comes from an old Go version:

14:10:03   dominikh | nsf: from Go 1.0.x
14:10:11   dominikh | go1.0.2/src/cmd/cgo/gcc.go:fatalf("%s: bad #cgo option: %s", srcfile, fields[0])

Try updating Go toolchain to a more recent version.

P.S. Thanks again, @dominikh

[serge-hulne]

Thank you !

Serge.

On Thu, Sep 4, 2014 at 10:15 AM, nsf notifications@github.com wrote:

Okay with help from @dominikh https://github.com/dominikh on irc, I've
found the source of that error, it comes from an old Go version:

14:10:03 dominikh | nsf: from Go 1.0.x
14:10:11 dominikh | go1.0.2/src/cmd/cgo/gcc.go:fatalf("%s: bad #cgo option: %s", srcfile, fields[0])

Try updating Go toolchain to a more recent version.

P.S. Thanks again, @dominikh https://github.com/dominikh

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[serge-hulne]

---------- Forwarded message ----------
From: Serge Hulne serge.hulne@gmail.com
Date: Fri, Sep 5, 2014 at 12:13 PM
Subject: [go-nuts] Pb using nsf's "gothic" (tcl/tk go binding) libary under
Mac
To: golang-nuts@googlegroups.com

Hi,

I have been using nsf "gothic" (tcl/tk go binding) libary under Linux for
a while now : it works very well and is very convenient for adding a
tcl/tck-based graphical interface to a Go application.

However I experienced a few problems installing it under Mac.

In an attempt to solve that problem, I made the following modifications to
my Mac development environment:

• Installed the latest version of Xcode.
• Removed "port" (port of the Linux tools for Mac) entirely and installed
  it from scratch to the latest version.
• Upgraded to the latest stable version of Go.

Now at least I can install "gothic" under Mac and it compiles without
complaining.

I had to make the following changes to the "interpreter.go" file, so that
the header directives point to the correct library location:

5 #cgo !tcl85 LDFLAGS: -L/opt/local/lib
6 #cgo !tcl85 LDFLAGS: -ltcl8.6 -ltk8.6
7 #cgo !tcl85 CFLAGS: -I/opt/local/include/tcl8.6
8 #cgo darwin tcl85 CFLAGS: -I/opt/local/include
9 #cgo darwin tcl85 CFLAGS: -I/opt/local/include/tcl8.6

instead of the original:

#cgo !tcl85 LDFLAGS: -ltcl8.6 -ltk8.6 #cgo !tcl85 CFLAGS:
-I/usr/include/tcl8.6 #cgo tcl85 LDFLAGS: -ltcl8.5 -ltk8.5 #cgo tcl85
CFLAGS: -I/usr/include/tcl8.5 #cgo darwin tcl85 CFLAGS: -I/opt/X11/include
So that is points to the correct libraries.

The current situation is that the examples do compile, without any warnings
or error messages.

The problem is that the resulting executables run correctly only once,
after reboot and cannot be started a second time (they only display a blank
interface).

Has anybody had more success in using "gothic" on a mac ?

I yes, would be very grateful for some help on how to proceed.

Thanks,

Serge.

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