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Date:	Wed, 24 Apr 2002 13:44:57 -0400
To:	"Sander Timmermans" <atimmer AT rijnh DOT nl>, <cygwin AT cygwin DOT com>
From:	"Larry Hall (RFK Partners, Inc)" <lhall AT rfk DOT com>
Subject:	Re: GetModuleHandle AT 4
In-Reply-To:	<DBELKNLJAALBBGLBPGDDEEFMCAAA.atimmer@rijnh.nl>
Mime-Version:	1.0

At 01:13 PM 4/24/2002, Sander Timmermans wrote:
>I adapted the script made by John Cerney;
>http://cygwin.com/building-reloc-dlls.txt
>into this Makefile:
>#---------------------------------------------------------------------------
>------------------------------------------------
>LIBPATH= /lib
>SOURCES= foo.c foo2.c
>OBJECTS= $(SOURCES:%.c=%.o)
>
>all: $(OBJECTS) init.o fixup.o
>         echo EXPORTS > fooB.def
>         nm $? | grep '^........ [T] _' | sed 's/[^_]*_//' >> fooB.def
>         ld --base-file fooB.base --dll -o fooB.dll $? $(LIBPATH)/libcygwin.a -e
>_dll_entry AT 12
>         dlltool --as=as --dllname fooB.dll --def fooB.def --base-file
>fooB.base --output-exp fooB.exp
>         ld --base-file fooB.base fooB.exp --dll -o fooB.dll foo.o foo2.o init.o
>fixup.o $(LIBPATH)/libcygwin.a -e _dll_entry AT 12
>         dlltool --as=as --dllname fooB.dll --def fooB.def --base-file
>fooB.base       --output-exp fooB.exp
>         ld fooB.exp --dll -o fooB.dll foo.o foo2.o init.o fixup.o
>$(LIBPATH)/libcygwin.a -e _dll_entry AT 12
>         dlltool --as=as --dllname fooB.dll --def fooB.def --output-lib fooB.a
>         gcc main.c fooB.a -o main.exe
>#---------------------------------------------------------------------------
>------------------------------------------------
>It worked.
>Aferwards I tried to use it in my own Makefile:
>#---------------------------------------------------------------------------
>------------------------------------------------
>SOURCES= TWU_read_signal_interlaced.c idl_TWU_read_signal_interlaced.c
>idl_TWU_read_signal.c idl_TWU_read_image.c \
>         idl_TWU_read_condition.c idl_TWU_read_comment.c
>OBJECTS= $(SOURCES:%.c=%.o)
>exp: $(OBJECTS) init.o fixup.o $(TWU_ARCHIVE) $(LIBIDL) /lib/libcygwin.a
>         echo EXPORTS > $(NAME).def
>         nm $? | grep '^........ [T] _' | sed 's/[^_]*_//' >> $(NAME).def
>         $(LD) --base-file $(NAME).base --dll -o $(NAME).dll $? -e _dll_entry AT 12
>#---------------------------------------------------------------------------
>------------------------------------------------
>$(LIBIDL) is a win32 library.
>but after this $(LD) line I get GetModuleHandle AT 4 as a linker error
>(unreferenced symbol) in /libcygwin.a.
>Should I use MinGW? Or am I doing something completely revolting by linking
>against a win32 library...


Try http://cygwin.com/cygwin-ug-net/dll.html instead.



Larry Hall                              lhall AT rfk DOT com
RFK Partners, Inc.                      http://www.rfk.com
838 Washington Street                   (508) 893-9779 - RFK Office
Holliston, MA 01746                     (508) 893-9889 - FAX


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