bug#45494: f2fs-tools-static doesn't find uuid.h

bug#45494: f2fs-tools-static doesn't find uuid.h

[raingloom]

According to `git bisect` (which I used for the first time today, so i
might be wrong) the recent f2fs-tools upgrade broke f2fs-tools-static.
I tried debugging it a bit today and so far didn't run across any
obvious causes. I'll take a look again soon-ish.

bug#45494: f2fs-tools-static doesn't find uuid.h

[Danny Milosavljevic]

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Hi,

thanks for the report!

fixed in guix master commit a099d833af3afe69c50dbd016e9ed117462ca7ef.

Analysis:

According to https://linux.die.net/man/3/uuid users of the uuid lib should do:

>#include <uuid/uuid.h>

however, "man uuid" in Guix says to do

(that's from util-linux-2.35.1/libuuid/man/uuid.3)
> #include <uuid.h>

and f2fs-tools does (in mkfs/f2fs_format_main.c:21):

> #include <uuid.h>

I've also checked their git repository at
https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs-tools.git/tree/mkfs/f2fs_format_main.c
and they still do:

> #include <uuid.h>

Then I tried

 guix environment --pure f2fs-tools-static --ad-hoc gcc-toolchain

and we have:

echo $C_INCLUDE_PATH
>/gnu/store/w6266wwyy7ih2p22g8k4fzx7a1dj61qn-profile/include

But /gnu/store/w6266wwyy7ih2p22g8k4fzx7a1dj61qn-profile/include/uuid.h does not exist.
But /gnu/store/w6266wwyy7ih2p22g8k4fzx7a1dj61qn-profile/include/uuid/uuid.h does exist.

cat /gnu/store/w6266wwyy7ih2p22g8k4fzx7a1dj61qn-profile/lib/pkgconfig/uuid.pc 

>Cflags: -I${includedir}/uuid

So I'd say that pkg-config is missing.

And indeed I had already worked around that in gnu/packages/linux.scm :

>#:configure-flags
>       (let ((libuuid-static (assoc-ref %build-inputs "libuuid:static"))
>             (libuuid (assoc-ref %build-inputs "libuuid")))
>         (list
>          (string-append "libuuid_CFLAGS=-I" libuuid "/include")

Here, suffix "/uuid" is missing.

>          (string-append "libuuid_LIBS=-L" libuuid-static "/lib -luuid")
>          (string-append "libblkid_CFLAGS=-I" libuuid "/include")

Here, suffix "/uuid" is missing.

Similarly for "/blkid".

>          (string-append "libblkid_LIBS=-L" libuuid-static "/lib -lblkid")

Ok

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