potential future proofing fix for aicasm build.

[Steven Hartland]

I don't believe aicasm is actually needed if you don't have a driver
which requires e.g. ahd or ahc. It would be good to get that fixed too.

    Regards
    Steve

----- Original Message ----- 
From: "Alfred Perlstein" <bright at mu.org>
To: <hackers at freebsd.org>
Sent: Wednesday, May 01, 2013 5:46 PM
Subject: potential future proofing fix for aicasm build.


>
> Hey folks,
>
> I took a shot at fixing this issue with building aicasm as part of
> "buildkernel" of an older 9.0 src on a machine running HEAD.
>
> aicasm.o: In function `__getCurrentRuneLocale': >
> /usr/include/runetype.h:96: undefined reference to `_ThreadRuneLocale'
>
> The issue seems to be two-fold:
>
> 1) Paths are not fully set to pick up the bootstrap tools needed to build.
> 2) include files use the host's instead of the build trees.
>
> The first problem is fixed by changing setting of PATH from
> "${BPATH}:${PATH}" to ${TMPPATH}.
>
> The second is fixed by using -nostdinc and setting strict include paths
> using -I directives to the compiler:
>
> CFLAGS="-nostdinc -I${WORLDTMP}/usr/include -I. -I${KERNSRCDIR}/dev/aic7xxx/aicasm"
>
>
>
> Can I get review on this patch?
>
> https://gist.github.com/anonymous/5493734
>
> Inline:
>
> diff --git a/Makefile.inc1 b/Makefile.inc1
> index e850cda..785e3180 100644
> --- a/Makefile.inc1
> +++ b/Makefile.inc1
> @@ -830,17 +830,18 @@ buildkernel:
>          @echo ">>> stage 2.3: build tools"
>          @echo "--------------------------------------------------------------"
>          cd ${KRNLOBJDIR}/${_kernel}; \
> -           PATH=${BPATH}:${PATH} \
> +           PATH=${TMPPATH} \
>              MAKESRCPATH=${KERNSRCDIR}/dev/aic7xxx/aicasm \
> -           ${MAKE} SSP_CFLAGS= -DNO_CPU_CFLAGS -DNO_CTF \
> +           ${MAKE} SSP_CFLAGS= -DNO_CPU_CFLAGS -DNO_CTF 
> CFLAGS="-nostdinc -I${WORLDTMP}/usr/include -I. -I${KERNSRCDIR}/dev/aic7xxx/aicasm" \
>              -f ${KERNSRCDIR}/dev/aic7xxx/aicasm/Makefile
>   # XXX - Gratuitously builds aicasm in the ``makeoptions NO_MODULES'' case.
>   .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists(${KERNSRCDIR}/modules)
>   .for target in obj depend all
> +       @echo "---- aicasm: ${target} ----"
>          cd ${KERNSRCDIR}/modules/aic7xxx/aicasm; \
> -           PATH=${BPATH}:${PATH} \
> +           PATH=${TMPPATH} \
>              MAKEOBJDIRPREFIX=${KRNLOBJDIR}/${_kernel}/modules \
> -           ${MAKE} SSP_CFLAGS= -DNO_CPU_CFLAGS -DNO_CTF ${target}
> +           ${MAKE} SSP_CFLAGS= -DNO_CPU_CFLAGS -DNO_CTF 
> CFLAGS="-nostdinc -I${WORLDTMP}/usr/include -I. -I${KERNSRCDIR}/dev/aic7xxx/aicasm" ${target}
>   .endfor
>   .endif
>   .if !defined(NO_KERNELDEPEND)
>
>
>
>
>
>
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> 


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