Mail Archives: cygwin/2007/04/18/13:28:29
I have a set of static fortran libraries (CERNLIB,
http://www.webalice.it/angelo.graziosi/Cernlib.html) and I would transform
them into DLLs.
The libraries have been compiled mainly with command:
---------------------------------------------------------------
g77 -c -O -fno-automatic -fno-second-underscore -fugly-complex...
gcc -O1 -fomit-frame-pointer...
---------------------------------------------------------------
and they are used linking as:
-------------------------------------------
g77 foo.F .... /usr/local/cernlib/2005/lib/libmathlib.a
-L/usr/lib -lcrypt -ldl
-------------------------------------------
Trying to transform in DLL, for example the library 'libmathlib.a', I
have tried this:
gcc -shared -o cygmathlib.dll \
-Wl,--enable-auto-image-base \
-Wl,--out-implib=libmathlib.dll.a \
-Wl,--enable-auto-import
-Wl,--whole-archive libmathlib.a \
-Wl,--no-whole-archive -lg2c
but it fails with a lot of :
-------------------------------------
libmathlib.a(arithm.o):cccrN4fn.f:(.text+0x17): undefined reference to
`_funct_'
libmathlib.a(arithm.o):cccrN4fn.f:(.text+0x154): undefined reference to
`_funct_'
libmathlib.a(d501l1.o):cc44FCLd.f:(.text+0x2dd): undefined reference to
`_dvset_'
...
-------------------------------------
Perhaps I have forgot to add some other library on command line.
How can I determine that? ...or is, perhaps, the above method completely
wrong?
(I have tried to follow the method used for Lapack package in Cygwin).
TIA,
Angelo.
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