Re: Speeding up libtool

[Robert Ögren]

Ralf Wildenhues wrote:
> Oh dear.  This should be
>   CONFIG_SHELL=/bin/ash lt_ECHO='printf %s\n' /bin/ash configure [...]
> instead. 

This seems to mess up the result of func_win32_libid with recent libtool 
 from CVS (1.1888 2005/03/18 15:57:13). Instead of returning (echoing)

x86 archive import

it echoes

x86
archive
import

and that does not satisfy the egrep test.

Replacing $ECHO $win32_libid_type with $ECHO "$win32_libid_type" solves 
that problem. There is another problem with the code that generates .def 
files using archive_expsym_cmds and perhaps also the lines that look 
like this:

eval "${ECHO} EXPORTS "'> "$output_objdir/$outputname.def"'

It produces EXPORTSn instead of EXPORTS(newline) in the .def file. I 
just replaced $ECHO with echo in archive_expsym_cmds to get the stuff to 
work, but that has to be fixed properly somehow, and probably in several 
places. Here's some libtool output and corresponding .def file before my 
ugly fix for this:

libtool: link: mv -f ".libs/libglib-2.0.expT" ".libs/libglib-2.0.exp"
libtool: link: if test "x`/usr/bin/sed 1q .libs/libglib-2.0.exp`" = 
xEXPORTS; then cp .libs/libglib-2.0.exp .libs/cygglib-2.0-0.dll.def; 
else printf %s\n EXPORTS > .libs/cygglib-2.0-0.dll.def; cat 
.libs/libglib-2.0.exp >> .libs/cygglib-2.0-0.dll.def; fi

EXPORTSng_allocator_free
g_allocator_new
g_array_append_vals
g_array_free
...

(Note: Here I target "normal" Cygwin. Usually I use Cygwin with gc
c -mno-cygwin and --{build,host}=i686-pc-mingw32 to get binaries that 
are native Win32 (don't need cygwin1.dll). For the libtool-cache 
benchmark I wanted to test both alternatives.)

Robert