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	Thu, 17 Sep 2015 04:57:12 -0700 (PDT)
Date:	Thu, 17 Sep 2015 14:57:10 +0300
From:	"Vladimir Zhbanov (vzhbanov AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To:	geda-user AT delorie DOT com
Subject:	Re: [geda-user] Undefined reference to libgio function while
	compiling geda-gaf-1.8.2 on Cygwin
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On Thu, Sep 17, 2015 at 10:32:11AM +0200, Arnaud Gardelein wrote:
> Trying to compile geda-gaf-1.8.2 on cygwin, after a simple ./configure the
> make process stops with this message:
> /bin/sh ../../libtool  --tag=CC   --mode=link gcc -Wall  
> -I/usr/include/guile/1.8  -I/usr/include/glib-2.0
> -I/usr/lib/glib-2.0/include  -D_REENTRANT -I/usr/include/gdk-pixbuf-2.0
> -I/usr/include/libpng16 -I/usr/include/glib-2.0
> -I/usr/lib/glib-2.0/include  -g -O2 -lglib-2.0 -lintl -lpcre -lintl
> -liconv -lpcre  -lguile -lgmp -lcrypt -lm -lltdl  -lgdk_pixbuf-2.0 -lm
> -lgmodule-2.0 -lpng16 -lm -lz -lgobject-2.0 -lffi -lglib-2.0 -lintl -lpcre
> -lintl -liconv -lpcre   -o geda-shell.exe geda_shell-shell.o
> ../src/libgeda.la -lintl -lm
> libtool: link: gcc -Wall -I/usr/include/guile/1.8 -I/usr/include/glib-2.0
> -I/usr/lib/glib-2.0/include -D_REENTRANT -I/usr/include/gdk-pixbuf-2.0
> -I/usr/include/libpng16 -I/usr/include/glib-2.0
> -I/usr/lib/glib-2.0/include -g -O2 -o .libs/geda-shell.exe
> geda_shell-shell.o  ../src/.libs/libgeda.a /usr/lib/libguile.dll.a
> /usr/lib/libgmp.dll.a -lcrypt /usr/lib/libltdl.dll.a -lgdk_pixbuf-2.0
> -lgmodule-2.0 /usr/lib/libpng16.dll.a -lz -lgobject-2.0 -lffi -lglib-2.0
> /usr/lib/libpcre.dll.a /usr/lib/libintl.dll.a /usr/lib/libiconv.dll.a
> ../src/.libs/libgeda.a(libgeda_la-o_picture.o): In function
> `o_picture_set_from_buffer':
> [basedir]/geda-gaf-1.8.2/libgeda/src/o_picture.c:1133: undefined reference
> to `g_input_stream_get_type'
> [basedir]/geda-gaf-1.8.2/libgeda/src/o_picture.c:1133: undefined reference
> to `g_memory_input_stream_new_from_data'
> collect2: error: ld returned 1 exit status
> 
> However it seems that the two functions are present in the library:
> $ objdump -x /usr/lib/libgio-2.0.dll.a|grep -B2 -A2 g_input_stream_get_type
> [  4](sec  5)(fl 0x00)(ty   0)(scl   3) (nx 0) 0x00000000 .idata$6
> [  5](sec -1)(fl 0x00)(ty   0)(scl   3) (nx 0) 0x00000001 @feat.00
> [  6](sec  1)(fl 0x00)(ty   0)(scl   2) (nx 0) 0x00000000
> _g_input_stream_get_type
> [  7](sec  3)(fl 0x00)(ty   0)(scl   2) (nx 0) 0x00000000
> __imp__g_input_stream_get_type
> [  8](sec  0)(fl 0x00)(ty   0)(scl   2) (nx 0) 0x00000000
> __head_cyggio_2_0_0_dll
> 
> $ objdump -x /usr/lib/libgio-2.0.dll.a|grep -B2 -A2
> g_memory_input_stream_new_from_data
> [  4](sec  5)(fl 0x00)(ty   0)(scl   3) (nx 0) 0x00000000 .idata$6
> [  5](sec -1)(fl 0x00)(ty   0)(scl   3) (nx 0) 0x00000001 @feat.00
> [  6](sec  1)(fl 0x00)(ty   0)(scl   2) (nx 0) 0x00000000
> _g_memory_input_stream_new_from_data
> [  7](sec  3)(fl 0x00)(ty   0)(scl   2) (nx 0) 0x00000000
> __imp__g_memory_input_stream_new_from_data
> [  8](sec  0)(fl 0x00)(ty   0)(scl   2) (nx 0) 0x00000000
> __head_cyggio_2_0_0_dll
> 
> Then running configure with
> ./configure LIBS="-lgio-2.0 /usr/lib/libgio-2.0.dll.a"
> seems to solve the issue.
> 
> As a backup I also tried to compile the latest version from [1], needing
> Guile 2.0 which is not available with Cygwin. This triggers the need for
> bdwgc [2]. After compilation of bdwgc Guile 2.0 fails to compile but I its
> not the place here to report Guile issues.
> 
> [1] ftp://ftp.delorie.com/pub/geda-windows/snapshots/
> [2] https://github.com/ivmai/bdwgc
> 
> 

Cygwin: Please check the bug report on LP [1].
MinGW:  You can try to compile guile using my minipack fork which works
        at least for me [2]. See instructions in its README.

Cheers,
  Vladimir

[1] https://bugs.launchpad.net/geda/+bug/1258217
[2] github.com/vzh/minipack

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