[gtkada] Problem Linking a GtkAda Tutorial Program in a New Installation

[Minder, Lawrence - ES/IEWS]

I am attending an Adacore training class on Ada Fundamentals this week, and am trying to get the GtkAda software package working as an extra exercise while the instructor is still available..

I am running in a Windows XP SP3 environment and am using GPS GPL V4.2.1 (20080115) for the training, which is working without a problem.  I have downloaded from the Libre site GtkAda V2.14.0 (20081216).  I installed it into its default folder, C:\GtkAda.  After installation, I chose to do the Automatic Configuration of the GtkAda libraries for use with my default  GNAT compiler (i.e. GPS GPL Edition).

Per the Gtkada User Guide, I am trying to compile one of the tutorial programs using the Windows command line as follows:

Gnatmake C:\GtkAda\share\examples\gtkada\tutorial\helloworld\hello.adb -IC:\Gtkada\include\gtkada


I get the following series of messages:

   gcc -c -IC:\Gtkada\include\gtkada hello.adb
   gcc -c -IC:\Gtkada\include\gtkada hello_package.adb
   gnatbind -IC:\Gtkada\include\gtkada -x hello.ali
   gnatlink hello.ali
   ...
   ... numerous messages similar to the following
   ...
   b~hello.o:b~hello.adb:...: undefined reference to 'gdk__display_E'
   b~hello.o:b~hello.adb:...: undefined reference to 'gdk__event_E'
   b~hello.o:b~hello.adb:...: undefined reference to 'gdk__bitmap_E'
   b~hello.o:b~hello.adb:...: undefined reference to 'gdk__pixmap_E'
   ...
   ... numerous messages similar to the above
   ...
   collect2: ld returned 1 exit status
   gnatlink: error when calling C:\GNAT\2008\bin/gcc.exe
   gnatmake: *** link failed.


It appears I am missing a link library reference, but I do not know how to specify it and which of the many GtkAda folders to point to.  In the windows environment PATH are the two folders:  C:\GNAT\2008\bin and C:\GtkAda\bin.  The course instructor suggested I write this Email for assistance.

Any help would be appreciated ... Thank-You.  Larry Minder










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