Date: Sat, 2 Aug 2025 17:12:46 -0700 From: "Simon J. Gerraty" <sjg@juniper.net> To: <sgk@troutmask.apl.washington.edu> Cc: Poul-Henning Kamp <phk@phk.freebsd.dk>, <freebsd-current@FreeBSD.org>, <sjg@juniper.net> Subject: Re: Someone broke /usr/src Message-ID: <28751.1754179966@kaos.jnpr.net> In-Reply-To: <aI6XAgA2e-uchGkj@troutmask.apl.washington.edu> References: <aI59pF11sEku8wID@troutmask.apl.washington.edu> <202508022155.572LtpQp015208@critter.freebsd.dk> <aI6XAgA2e-uchGkj@troutmask.apl.washington.edu>
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Steve Kargl <sgk@troutmask.apl.washington.edu> wrote:
> I'm not sure how to debug this. msun's Makefile is
> rather messy. I do note that bmake was recently
> updated:
Actually it was updated more recently than that.
a8c56be47166 2025-07-19 sjg Merge bmake-20250707
you can use -dm to learn more about what is going on
eg.
Setting main node to "buildenv"
Make_ExpandUse: examine all
ExamineLater: need to examine "beforebuild"
ExamineLater: need to examine ".WAIT_1"
ExamineLater: need to examine "libm.a"
ExamineLater: need to examine "libm.so.5"
ExamineLater: need to examine "all-man"
ExamineLater: need to examine "buildconfig"
ExamineLater: need to examine "buildfiles"
ExamineLater: need to examine "buildincludes"
ExamineLater: need to examine ".WAIT_5"
ExamineLater: need to examine "staging"
Make_ExpandUse: examine beforebuild
...
That 'Setting main node to ' something other than "all" is usualy a bad
sign (eg. cookie targets not marked with .NOTMAIN)
In this case it is from src.init.mk:
.if !target(buildenv)
buildenv: .PHONY
${_+_}@env BUILDENV_DIR=${.CURDIR} ${MAKE} -C ${SRCTOP} buildenv
.endif
You might also want to enable META_MODE - looking at e_fmod.o.meta
shows it does not use e_fmode.c on amd64 at least (you didn't mention
what architecture you were building for):
# Meta data file /var/obj/FreeBSD/main/obj/amd64.amd64/lib/msun/e_fmod.o.meta
CMD cc -O2 -pipe -fno-common
-I/h/sjg/work/FreeBSD/main/src/lib/msun/x86
-I/h/sjg/work/FreeBSD/main/src/lib/msun/ld80
-I/h/sjg/work/FreeBSD/main/src/lib/msun/amd64
-ffp-exception-behavior=maytrap -fno-math-errno
-I/h/sjg/work/FreeBSD/main/src/lib/msun/src
-I/h/sjg/work/FreeBSD/main/src/lib/libc/include
-I/h/sjg/work/FreeBSD/main/src/lib/libc/amd64 -g -gz=zlib -std=gnu17
-Wno-format-zero-length -fstack-protector-strong
-Wno-error=ignored-pragmas -Wsystem-headers -Werror -Wno-pointer-sign
-Wdate-time -Wno-unknown-pragmas -Wno-empty-body -Wno-string-plus-int
-Wno-unused-const-variable -Wno-error=unused-but-set-parameter
-Wno-tautological-compare -Wno-unused-value -Wno-parentheses-equality
-Wno-unused-function -Wno-enum-conversion -Wno-unused-local-typedef
-Wno-address-of-packed-member -Wno-switch -Wno-switch-enum
-Wno-knr-promoted-parameter -Wno-parentheses -Qunused-arguments
--sysroot=/var/obj/FreeBSD/main/obj/stage/amd64.amd64 -c
/h/sjg/work/FreeBSD/main/src/lib/msun/amd64/e_fmod.S -o e_fmod.o
CWD /var/obj/FreeBSD/main/obj/amd64.amd64/lib/msun
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