Tatsuro MATSUOKA wrote:
> I have tried to build optiminterp-0.3.2 on octave-3.0.5 that built myself
> using gcc-4.4.0-TDM-dw2.
>
> I met the following error
>
> c:/programs/mingw/bin/../lib/gcc/mingw32/4.4.0-dw2/libgfortran.a(error.o):error.
> c:(.text+0x6b8): multiple definition of `_gfortran_runtime_error'
> c:/Programs/OctaveBuild/lib/octave-3.0.5/liboctave.dll.a(d020226.o):(.text+0x0):
> first defined here
> c:/programs/mingw/bin/../lib/gcc/mingw32/4.4.0-dw2/libgfortran.a(error.o):error.
> c:(.text+0x6fc): multiple definition of `_gfortran_os_error'
> c:/Programs/OctaveBuild/lib/octave-3.0.5/liboctave.dll.a(d020219.o):(.text+0x0):
> first defined here
> collect2: ld returned 1 exit status
> make: *** [optiminterp.oct] Error 1
>
> I have tried '--allow-multiple-definition' but the results were the same.
> Therefore I have tryied
>
Tatsuro,
If you built your mingw version yourself, then please try out the
following patch I applied to the octave sources.
diff -r fd11a08a9b31 configure.in
--- a/configure.in Sun Jan 11 07:55:44 2009 +0100
+++ b/configure.in Sun Jan 11 13:32:47 2009 +0100
@@ -833,13 +833,19 @@
fi
XTRA_CRUFT_SH_LDFLAGS=
+XTRA_OCTINTERP_SH_LDFLAGS=
case "$canonical_host_type" in
*-*-msdosmsvc)
FLIBS="$FLIBS -lkernel32"
XTRA_CRUFT_SH_LDFLAGS="-Wl,-def:cruft.def"
;;
+ *-*-mingw*)
+ XTRA_CRUFT_SH_LDFLAGS="-Wl,--exclude-libs=libgfortran.a"
+ XTRA_OCTINTERP_SH_LDFLAGS="-Wl,--exclude-libs=libgfortran.a"
+ ;;
esac
AC_SUBST(XTRA_CRUFT_SH_LDFLAGS)
+AC_SUBST(XTRA_OCTINTERP_SH_LDFLAGS)
FC=$F77
AC_SUBST(FC)
diff -r fd11a08a9b31 src/Makefile.in
--- a/src/Makefile.in Sun Jan 11 07:55:44 2009 +0100
+++ b/src/Makefile.in Sun Jan 11 13:32:47 2009 +0100
@@ -348,6 +348,9 @@
endif
endif
+XTRA_OCTINTERP_SH_LDFLAGS = @XTRA_OCTINTERP_SH_LDFLAGS@
+SH_LDFLAGS += $(XTRA_OCTINTERP_SH_LDFLAGS)
+
libraries: $(LIBRARIES)
.PHONY: libraries
It disables exporting symbols from gcc's system gfortran library.
Don't know why this is not done in the first place anyway.
Since this patch is a bit of a mingw-gcc-with-gfortran-only hack I did
not post it to be included into octave.
benjamin
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