... AC_LIBLTDL_CONVENIENCE AC_SUBST(INCLTDL) AC_SUBST(LIBLTDL) AC_LIBTOOL_DLOPEN AC_PROG_LIBTOOL AC_CONFIG_SUBDIRS(libltdl) ...
in my configure.ac. My DLL is then built with
INCLUDES = @INCLTDL@ lib_LTLIBRARIES = libname.la libname_la_SOURCES = ... libname_la_LDFLAGS = -no-undefined -avoid-version libname_la_LIBADD = @LIBLTDL@
All builds without error, however, on Windows under MinGW 3.1.0 and Msys 1.0.9 using
automake 1.82. autoconf 2.59 libtool 1.5.2
the resulting export library "libname.dll.a" does not contain any exported symbols other than those provided by libltdl (ex: lt_dlsym...lt_dladderror). The libtool link and resulting gcc commands presented by the `make` are paraphased below:
/bin/sh libtool --mode=link gcc -g -O2 -o libname.la -rpath ... -no-undefined -avoid-version file.lo libltdl/libltdlc.la
gcc -shared .libs/file.o -Wl,--whole-archive libltdl/.libs/libltdlc.a -Wl,--no-whole-archive -o .libs/libname.dll -Wl,--image-base=0x10000000 -Wl,--out-implib,.libs/libname.dll.a
Again, the library is created, there just aren't any exported symbols from file.o. However, if I instead manually link without the "--whole-archive" of the convenience library and simply use the ltdl object file
gcc -shared .libs/file.o libltdl/ltdl.o -o .libs/libname.dll -Wl,--image-base=0x10000000 -Wl,--out-implib,.libs/libname.dll.a
The import library libname.dll.a contains the symbols for libltdl as well as those of file.o as expected.
Any help as to what I am doing wrong is greatly appreciated.
wtj -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Bill Jones [EMAIL PROTECTED] Mail Stop 125 Data Analysis and Imaging Branch 15 Langley Boulevard Systems Engineering Competency NASA Langley Research Center Building 1268, Room 1038 Hampton, VA 23681-2199 Phone +1 757 864-5318 Fax +1 757 864-7635 http://geolab.larc.nasa.gov
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