Date: Wed, 9 Nov 2016 06:27:53 -0800 From: Mark Millard <markmi@dsl-only.net> To: FreeBSD Toolchain <freebsd-toolchain@freebsd.org>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Subject: Re: base/gcc (from ports/head -r424540) lookups do not match base/binutils 's /usr/powerpc64-freebsd/bin/ld or /usr/bin/ld (ld example) Message-ID: <0B654323-C75A-484B-A4E8-E32AD4DD7479@dsl-only.net> In-Reply-To: <432CF4F5-ECC1-4573-AE32-74E7B88E2624@dsl-only.net> References: <432CF4F5-ECC1-4573-AE32-74E7B88E2624@dsl-only.net>
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[Note: By the end of the later additional material "cc main.c" actually =
works based on cc being from base/gcc used for TARGET_ARCH=3Dpowerpc64 =
.]
On 2016-Nov-9, at 4:19 AM, Mark Millard <markmi at dsl-only.net> wrote:
> The gcc (and cc) from base/gcc 's freebsd-gcc-5.4.0.txz for powerpc64 =
(via cross builds) by default can not find ld from either the system ( =
/usr/bin/ld ) or from base/binutils 's FreeBSD-binutils-2.25.1_3,1.txz =
expanded content :
>=20
>> # cc main.c
>> collect2: fatal error: cannot find 'ld'
>> compilation terminated.
>=20
> Before showing truss output that reports for where ld is searched for: =
here is were it actually is (along with some other files that match the =
pattern that I used):
>=20
>> # find / -name "*ld" -print | grep "[/-]ld$"
>> /usr/src/contrib/netbsd-tests/usr.bin/ld
>> /usr/src/contrib/binutils/ld
>> /usr/src/gnu/usr.bin/binutils/ld
>> /usr/bin/ld
>> /usr/ports/devel/bcc/files/patch-ld
>> /usr/powerpc64-freebsd/bin/ld
>=20
> (The "env ABI=3DFreeBSD:12:powerpc64 pkg-static add =
FreeBSD-binutils-2.25.1_3,1.txz" generated that last line's file.)
>=20
> The "truss -f output cc main.c" output shows none of those paths being =
involved. It does show a stat for:
>=20
>> /usr/bin/powerpc64-portbld-freebsd12.0-powerpc64-freebsd-ld
>=20
> and another for:
>=20
>> /bin/powerpc64-portbld-freebsd12.0-powerpc64-freebsd-ld
>=20
> among others. (ld is not the only thing with such a naming convention =
for what is before the tool's base name.) None of the paths end in "/ld" =
: all end in "-ld". None of the lookups are directly in /usr either: if =
/usr is involved in the path then so is at least one subdirectory.
>=20
> The truss "ld" lookup reports are included in the output below, they =
are all not-found failures:
>=20
>> # truss -f cc main.c 2>&1 | grep '[/-]ld"'=20
>> 2873: =
stat("/usr/libexec/gcc/powerpc64-portbld-freebsd12.0/5.4.0/real-ld",0xffff=
ffffffffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/usr/libexec/gcc/powerpc64-portbld-freebsd12.0/5.4.0/real-ld",0xffff=
ffffffffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/usr/libexec/gcc/powerpc64-portbld-freebsd12.0/real-ld",0xffffffffff=
ffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/real-ld",0xffffffff=
ffffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/real-ld",0xffffffffffffd2=
f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/usr/libexec/gcc/powerpc64-portbld-freebsd12.0/5.4.0/collect-ld",0xf=
fffffffffffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/usr/libexec/gcc/powerpc64-portbld-freebsd12.0/5.4.0/collect-ld",0xf=
fffffffffffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/usr/libexec/gcc/powerpc64-portbld-freebsd12.0/collect-ld",0xfffffff=
fffffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/collect-ld",0xfffff=
fffffffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/collect-ld",0xfffffffffff=
fd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/usr/libexec/gcc/powerpc64-portbld-freebsd12.0/5.4.0/powerpc64-freeb=
sd-ld",0xffffffffffffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/usr/libexec/gcc/powerpc64-portbld-freebsd12.0/5.4.0/powerpc64-freeb=
sd-ld",0xffffffffffffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/usr/libexec/gcc/powerpc64-portbld-freebsd12.0/powerpc64-freebsd-ld"=
,0xffffffffffffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/powerpc64-freebsd-l=
d",0xffffffffffffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/powerpc64-freebsd-ld",0xf=
fffffffffffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/sbin/powerpc64-portbld-freebsd12.0-powerpc64-freebsd-ld",0xffffffff=
ffffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/bin/powerpc64-portbld-freebsd12.0-powerpc64-freebsd-ld",0xfffffffff=
fffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/usr/sbin/powerpc64-portbld-freebsd12.0-powerpc64-freebsd-ld",0xffff=
ffffffffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/usr/bin/powerpc64-portbld-freebsd12.0-powerpc64-freebsd-ld",0xfffff=
fffffffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/usr/local/sbin/powerpc64-portbld-freebsd12.0-powerpc64-freebsd-ld",=
0xffffffffffffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/usr/local/bin/powerpc64-portbld-freebsd12.0-powerpc64-freebsd-ld",0=
xffffffffffffd2f8) ERR#2 'No such file or directory'
>> 2873: =
stat("/home/markmi/bin/powerpc64-portbld-freebsd12.0-powerpc64-freebsd-ld"=
,0xffffffffffffd2f8) ERR#2 'No such file or directory'
>=20
>=20
>=20
> =3D=3D=3D
> Mark Millard
> markmi at dsl-only.net
Other files' naming differences are not necessarily the same so I list =
some for reference.
First: all the "truss -f cc main.c" references to /usr/bin/ are:
> # truss -f cc main.c 2>&1 | grep /usr/bin/
> 3040: access("/usr/bin/cc",X_OK) =3D 0 (0x0)
> 3040: stat("/usr/bin/cc",{ mode=3D-r-xr-xr-x =
,inode=3D21028101,size=3D2628488,blksize=3D32768 }) =3D 0 (0x0)
> 3040: lstat("/usr/bin/cc",{ mode=3Dlrwxr-xr-x =
,inode=3D21028094,size=3D33,blksize=3D32768 }) =3D 0 (0x0)
> 3040: =
readlink("/usr/bin/cc","powerpc64-portbld-freebsd12.0-gcc",1023) =3D 33 =
(0x21)
> 3040: lstat("/usr/bin/powerpc64-portbld-freebsd12.0-gcc",{ =
mode=3D-r-xr-xr-x ,inode=3D21028101,size=3D2628488,blksize=3D32768 }) =3D =
0 (0x0)
> 3040: access("/usr/bin/cc",X_OK) =3D 0 (0x0)
> 3040: stat("/usr/bin/cc",{ mode=3D-r-xr-xr-x =
,inode=3D21028101,size=3D2628488,blksize=3D32768 }) =3D 0 (0x0)
> 3040: lstat("/usr/bin/cc",{ mode=3Dlrwxr-xr-x =
,inode=3D21028094,size=3D33,blksize=3D32768 }) =3D 0 (0x0)
> 3040: =
readlink("/usr/bin/cc","powerpc64-portbld-freebsd12.0-gcc",1023) =3D 33 =
(0x21)
> 3040: lstat("/usr/bin/powerpc64-portbld-freebsd12.0-gcc",{ =
mode=3D-r-xr-xr-x ,inode=3D21028101,size=3D2628488,blksize=3D32768 }) =3D =
0 (0x0)
> 3042: execve("/usr/bin/as",0x506600c8,0x50668000) =3D 8 (0x8)
> 3043: =
stat("/usr/bin/powerpc64-portbld-freebsd12.0-powerpc64-freebsd-ld",0xfffff=
fffffffd2b8) ERR#2 'No such file or directory'
> 3043: =
stat("/usr/bin/powerpc64-portbld-freebsd12.0-gnm",0xffffffffffffd2b8) =
ERR#2 'No such file or directory'
> 3043: =
stat("/usr/bin/powerpc64-portbld-freebsd12.0-nm",0xffffffffffffd2b8) =
ERR#2 'No such file or directory'
> 3043: =
stat("/usr/bin/powerpc64-portbld-freebsd12.0-gstrip",0xffffffffffffd2b8) =
ERR#2 'No such file or directory'
> 3043: =
stat("/usr/bin/powerpc64-portbld-freebsd12.0-strip",0xffffffffffffd2b8) =
ERR#2 'No such file or directory'
> 3043: stat("/usr/bin/cc",{ mode=3D-r-xr-xr-x =
,inode=3D21028101,size=3D2628488,blksize=3D32768 }) =3D 0 (0x0)
> 3043: access("/usr/bin/cc",X_OK) =3D 0 (0x0)
By contrast what is in the file system for the failing references above =
(pd, nm, strip) is:
> # find / -name "*ld" -print | grep "[/-]ld$"
> /usr/src/contrib/netbsd-tests/usr.bin/ld
> /usr/src/contrib/binutils/ld
> /usr/src/gnu/usr.bin/binutils/ld
> /usr/bin/ld
> /usr/ports/devel/bcc/files/patch-ld
> /usr/powerpc64-freebsd/bin/ld
Compare that last to what the stat from the truss run shows:
> /usr/bin/powerpc64-portbld-freebsd12.0-powerpc64-freebsd-ld
> # find / -name "*gnm" -print | grep "[/-]gnm$"
(Yep: no gnm: nm used instead.)
> # find / -name "*nm" -print | grep "[/-]nm$"
> /usr/src/contrib/llvm/tools/llvm-nm
> /usr/src/contrib/elftoolchain/nm
> /usr/src/usr.bin/clang/llvm-nm
> /usr/src/usr.bin/nm
> /usr/bin/nm
> /usr/bin/llvm-nm
> /usr/bin/powerpc64-portbld-freebsd12.0-gcc-nm
Compare that last to what the stat from the truss run shows:
> /usr/bin/powerpc64-portbld-freebsd12.0-nm
> # find / -name "*gstrip" -print | grep "[/-]gstrip$"
(Yep: no gstrip: strip used instead.)
> # find / -name "*strip" -print | grep "[/-]strip$"
> /usr/bin/strip
Compare that to what the stat from the truss run shows:
> /usr/bin/powerpc64-portbld-freebsd12.0-strip
In my context the system cross build made its own powerpc64
binutils. /usr/bin/strip is not from base/binutils :
> # zcat FreeBSD-binutils-2.25.1_3,1.txz | tar -tf - | grep strip
> #
(No match.)
So adding what is missing (result shown):
> # ls -lt /usr/bin/ | head
> total 608956
> lrwxr-xr-x 1 root wheel 14 Nov 9 05:38 =
powerpc64-portbld-freebsd12.0-strip -> /usr/bin/strip
> lrwxr-xr-x 1 root wheel 36 Nov 9 05:38 =
powerpc64-portbld-freebsd12.0-nm -> powerpc64-portbld-freebsd12.0-gcc-nm
> lrwxr-xr-x 1 root wheel 29 Nov 9 05:19 =
powerpc64-portbld-freebsd12.0-powerpc64-freebsd-ld -> =
/usr/powerpc64-freebsd/bin/ld
> lrwxr-xr-x 1 root wheel 33 Nov 8 21:51 c++ -> =
powerpc64-portbld-freebsd12.0-g++
> lrwxr-xr-x 1 root wheel 33 Nov 8 21:51 cc -> =
powerpc64-portbld-freebsd12.0-gcc
> lrwxr-xr-x 1 root wheel 33 Nov 8 21:51 cpp -> =
powerpc64-portbld-freebsd12.0-cpp
> lrwxr-xr-x 1 root wheel 33 Nov 8 21:51 g++ -> =
powerpc64-portbld-freebsd12.0-g++
> lrwxr-xr-x 1 root wheel 33 Nov 8 21:51 gcc -> =
powerpc64-portbld-freebsd12.0-gcc
> lrwxr-xr-x 1 root wheel 34 Nov 8 21:51 gcov -> =
powerpc64-portbld-freebsd12.0-gcov
> #=20
leads to ld being found in a cc but ld not finding the libraries it =
needs, here:
> # cc main.c
> /usr/bin/powerpc64-portbld-freebsd12.0-powerpc64-freebsd-ld: cannot =
find crt1.o: No such file or directory
> /usr/bin/powerpc64-portbld-freebsd12.0-powerpc64-freebsd-ld: cannot =
find crti.o: No such file or directory
> /usr/bin/powerpc64-portbld-freebsd12.0-powerpc64-freebsd-ld: cannot =
find crtbegin.o: No such file or directory
> collect2: error: ld returned 1 exit status
In the file system are the following (more than just crt1.o , crti.o , =
and crtbegin.o shown):
> # find / -name "*crt*.o" -print
> /usr/lib/crtend.o
> /usr/lib/crti.o
> /usr/lib/Scrt1.o
> /usr/lib/crtbegin.o
> /usr/lib/crtbeginT.o
> /usr/lib/crtn.o
> /usr/lib/crtendS.o
> /usr/lib/crtbeginS.o
> /usr/lib/crt1.o
> /usr/lib/crtsavres.o
> /usr/lib/gcrt1.o
"truss -f cc main.cc" shows that one of
/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/
or:
=
/usr/powerpc64-portbld-freebsd12.0/lib/powerpc64-portbld-freebsd12.0/5.4.0=
/
or:
/usr/powerpc64-portbld-freebsd12.0/lib/
is expected in order to find crt1.o or crti.o or crtbegin.o or crtend.o =
or crtn.o :
(I did any ../ collapsing above)
> # truss -f cc main.c 2>&1 | grep crt
> 3138: =
access("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/crt1.o",R_OK) =
ERR#2 'No such file or directory'
> 3138: =
access("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/../../../../power=
pc64-portbld-freebsd12.0/lib/powerpc64-portbld-freebsd12.0/5.4.0/crt1.o",R=
_OK) ERR#2 'No such file or directory'
> 3138: =
access("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/../../../../power=
pc64-portbld-freebsd12.0/lib/crt1.o",R_OK) ERR#2 'No such file or =
directory'
> 3138: =
access("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/crti.o",R_OK) =
ERR#2 'No such file or directory'
> 3138: =
access("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/../../../../power=
pc64-portbld-freebsd12.0/lib/powerpc64-portbld-freebsd12.0/5.4.0/crti.o",R=
_OK) ERR#2 'No such file or directory'
> 3138: =
access("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/../../../../power=
pc64-portbld-freebsd12.0/lib/crti.o",R_OK) ERR#2 'No such file or =
directory'
> 3138: =
access("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/crtbegin.o",R_OK)=
ERR#2 'No such file or directory'
> 3138: =
access("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/../../../../power=
pc64-portbld-freebsd12.0/lib/powerpc64-portbld-freebsd12.0/5.4.0/crtbegin.=
o",R_OK) ERR#2 'No such file or directory'
> 3138: =
access("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/../../../../power=
pc64-portbld-freebsd12.0/lib/crtbegin.o",R_OK) ERR#2 'No such file or =
directory'
> 3138: =
access("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/crtend.o",R_OK) =
ERR#2 'No such file or directory'
> 3138: =
access("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/../../../../power=
pc64-portbld-freebsd12.0/lib/powerpc64-portbld-freebsd12.0/5.4.0/crtend.o"=
,R_OK) ERR#2 'No such file or directory'
> 3138: =
access("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/../../../../power=
pc64-portbld-freebsd12.0/lib/crtend.o",R_OK) ERR#2 'No such file or =
directory'
> 3138: =
access("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/crtn.o",R_OK) =
ERR#2 'No such file or directory'
> 3138: =
access("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/../../../../power=
pc64-portbld-freebsd12.0/lib/powerpc64-portbld-freebsd12.0/5.4.0/crtn.o",R=
_OK) ERR#2 'No such file or directory'
> 3138: =
access("/usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/../../../../power=
pc64-portbld-freebsd12.0/lib/crtn.o",R_OK) ERR#2 'No such file or =
directory'
> 3142: open("crt1.o",O_RDONLY,0666) ERR#2 'No such file or =
directory'
> 3142: write(2,"crt1.o",6) =3D 6 (0x6)
> 3142: open("crti.o",O_RDONLY,0666) ERR#2 'No such file or =
directory'
> 3142: write(2,"crti.o",6) =3D 6 (0x6)
> 3142: open("crtbegin.o",O_RDONLY,0666) ERR#2 'No such =
file or directory'
> 3142: write(2,"crtbegin.o",10) =3D 10 (0xa)
> 3141: access("crt1.rpo",R_OK) ERR#2 'No such =
file or directory'
> 3141: access("crti.rpo",R_OK) ERR#2 'No such =
file or directory'
> 3141: access("crtbegin.rpo",R_OK) ERR#2 'No such file or =
directory'
> 3141: access("crtend.rpo",R_OK) ERR#2 'No such file or =
directory'
> 3141: access("crtn.rpo",R_OK) ERR#2 'No such =
file or directory'
> crt1.o 3141: write(2,"crt1.o",6) =3D 6 (0x6)
> crti.o 3141: write(2,"crti.o",6) =3D 6 (0x6)
> crtbegin.o 3141: write(2,"crtbegin.o",10) =3D 10 =
(0xa)
For reference:
> # ls -l /usr/lib/gcc/powerpc64-portbld-freebsd12.0/5.4.0/
> total 16
> drwxr-xr-x 2 root wheel 1024 Nov 9 02:31 include
> drwxr-xr-x 5 root wheel 512 Nov 9 02:31 include-fixed
> drwxr-xr-x 3 root wheel 512 Nov 9 02:31 install-tools
> drwxr-xr-x 3 root wheel 512 Nov 9 02:31 plugin
> # ls -l /usr/powerpc64-portbld-freebsd12.0/
> ls: /usr/powerpc64-portbld-freebsd12.0/: No such file or directory
(So there is no /usr/powerpc64-portbld-freebsd12.0/lib/ or =
/usr/powerpc64-portbld-freebsd12.0/lib/powerpc64-portbld-freebsd12.0/5.4.0=
/ to look in.)
Hacking in:
> # ls -dl /usr/powerpc64-portbld-freebsd12.0
> lrwxr-xr-x 1 root wheel 4 Nov 9 06:19 =
/usr/powerpc64-portbld-freebsd12.0 -> /usr
results in cc main.c finally producing an a.out like it should.
=3D=3D=3D
Mark Millard
markmi at dsl-only.net
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