By using -nostdinc and careful setting of -I we can build/use aicasm on older systems with incompatible headers. Otherwise building a 9.0 kernel on a HEAD system has the following error: > cc -O2 -pipe -nostdinc -I/usr/include -I. -I/usr/home/alfred/tn/9. 0/FreeBSD/src/sys/dev/aic7xxx/aicasm -g -std=gnu99 -Wsystem-headers -Werror -Wall -Wno-form…

gistfile1.diff

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)