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Date: Mon, 10 Nov 2008 07:26:19 -0800
From: Brian Dessent <brian AT dessent DOT net>
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Subject: Re: Cannot compile UUID module
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Alexander Stadler wrote:

> gcc -c   -DPERL_USE_SAFE_PUTENV -U__STRICT_ANSI__ -fno-strict-aliasing
> -pipe -I/
> usr/local/include -DUSEIMPORTLIB -O3   -DVERSION=\"0.02\"
> -DXS_VERSION=\"0.02\"
>  "-I/usr/lib/perl5/5.10/i686-cygwin/CORE"   UUID.c
> rm -f blib/arch/auto/UUID/UUID.dll
> g++  --shared  -Wl,--enable-auto-import -Wl,--export-all-symbols
> -Wl,--stack,838
> 8608 -Wl,--enable-auto-image-base -L/usr/local/lib -L/usr/lib/e2fsprogs
> -Wl,-Bst
> atic -luuid -Wl,-Bdynamic UUID.o  -o blib/arch/auto/UUID/UUID.dll       \
>           /usr/lib/perl5/5.10/i686-cygwin/CORE/libperl.dll.a    \
> 
> UUID.o:UUID.c:(.text+0xe): undefined reference to `_uuid_generate'

The ordering here is wrong.  -luuid must come after UUID.o on the
command line if the linker is to resolve uuid_* symbols in UUID.o from
the -luuid library.

With standard autoconf this is achieved by the convention that -l
arguments must go in LIBS not LDFLAGS.  I don't know if the perl system
uses the same convention, but whatever it uses, the -luuid argument does
not belong where it's currently being set.

Brian

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