Re: Can't build first git commit

From: Jeff King <peff@peff.net>
Date: Mar 4, 2019, 20:40 UTC
Message-ID: <20190304204007.GA32691@sigill.intra.peff.net>
In-Reply-To: <1551729517.4092.1.camel@libero.it>

On Mon, Mar 04, 2019 at 08:58:37PM +0100, Fabio Aiuto wrote:

Show 8 quoted lines

> I'm trying to build first commit of git made by Linus. I mean the one
> named e83c5163316f89bfbde7d9ab23... (I think this is enough).
> But at building stage i have the following error:
> 
> make all 
> gcc -g -o update-cache update-cache.o read-cache.o -lssl
> /usr/bin/ld: update-cache.o: undefined reference to symbol
> 'SHA1_Update@@OPENSSL_1_1_0'

The sha1 routines are in libcrypto. See 3be4b61aa4 (Link with -lcrypto instead of -lssl when using openssl libraries., 2005-05-10). I also needed -lz. See 9426167765 (Add "-lz" to link line to get in zlib., 2005-04-08).

You can patch the Makefile, or just override it like:

  make LIBS='-lcrypto -lz'

which builds for me on current Debian unstable. I don't think you can actually fetch with that old build, but I used periodically check that Git v1.0 can fetch happily from GitHub. I haven't in a while, so let me know if you try it and it doesn't work. ;)

-Peff