As this avoided using system-clang (or any clang), the -secure-plt leading
to bss-plt being forced issue for 32-bit powerpc appears to *NOT* be
clang-specific at all!
I was just curious to see what would be reported. (The system-clang
and devel/binutils@powerpc combination completed buildworld buildkernel.
It reported forcing bss-plt but did not stop early.)
(I have left my old xtoolchain-gcc naming in directory names.)
--- libc.so.7.full ---
/usr/local/bin/powerpc-unknown-freebsd13.0-ld: bss-plt forced due to
/usr/obj/powerpcvtsc_xtoolchain-gcc/powerpc.powerpc/usr/src/powerpc.powerpc/tmp/usr/lib/crtbeginS.o
collect2: error: ld returned 1 exit status
*** [libc.so.7.full] Error code 1
For reference:
# /usr/local/bin/powerpc-unknown-freebsd13.0-ld -v
GNU ld (GNU Binutils) 2.33.1
For reference for the link:
# Meta data file
/usr/obj/powerpcvtsc_xtoolchain-gcc/powerpc.powerpc/usr/src/powerpc.powerpc/lib/libc/libc.so.7.full.meta
CMD @echo building shared library libc.so.7
CMD @rm -f libc.so.7 libc.so
CMD /usr/local/bin/powerpc-unknown-freebsd13.0-gcc9 -gdwarf-2
--sysroot=/usr/obj/powerpcvtsc_xtoolchain-gcc/powerpc.powerpc/usr/src/powerpc.powerpc/tmp
-B/usr/local/powerpc-unknown-freebsd13.0/bin/ -
Wl,--secure-plt -nodefaultlibs -Wl,--version-script=Version.map -shared
-Wl,-x -Wl,--fatal-warnings -Wl,--warn-shared-textrel -o libc.so.7.full
-Wl,-soname,libc.so.7 `NM='/usr/local/powerpc-unkno
wn-freebsd13.0/bin/nm' NMFLAGS='' lorder trivial-vdso_tc.pico . . .
. . . wmemset.pico | tsort -q` -lcompiler_rt -lssp_nonshared
CWD
/usr/obj/powerpcvtsc_xtoolchain-gcc/powerpc.powerpc/usr/src/powerpc.powerpc/lib/libc
TARGET libc.so.7.full
-- command output --
building shared library libc.so.7
/usr/local/bin/powerpc-unknown-freebsd13.0-ld: bss-plt forced due to
/usr/obj/powerpcvtsc_xtoolchain-gcc/powerpc.powerpc/usr/src/powerpc.powerpc/tmp/usr/lib/crtbeginS.o
collect2: error: ld returned 1 exit status
*** Error code 1
. . .
E 36494 /usr/local/bin/powerpc-unknown-freebsd13.0-ld
R 36494 /etc/libmap.conf
R 36494 /var/run/ld-elf.so.hints
R 36494 /lib/libc.so.7
R 36494
/usr/local/libexec/gcc/powerpc-unknown-freebsd13.0/9.2.0/liblto_plugin.so
R 36494 Version.map
R 36494 libc.so.7.full
W 36494 libc.so.7.full
R 36494
/usr/obj/powerpcvtsc_xtoolchain-gcc/powerpc.powerpc/usr/src/powerpc.powerpc/tmp/usr/lib/crti.o
R 36494
/usr/obj/powerpcvtsc_xtoolchain-gcc/powerpc.powerpc/usr/src/powerpc.powerpc/tmp/usr/lib/crti.o
R 36494
/usr/obj/powerpcvtsc_xtoolchain-gcc/powerpc.powerpc/usr/src/powerpc.powerpc/tmp/usr/lib/crtbeginS.o
R 36494
/usr/obj/powerpcvtsc_xtoolchain-gcc/powerpc.powerpc/usr/src/powerpc.powerpc/tmp/usr/lib/crtbeginS.o
. . .
For reference for building crtbeginS.o (much gcc9 detail included from using
-v):
# Meta data file
/usr/obj/powerpcvtsc_xtoolchain-gcc/powerpc.powerpc/usr/src/powerpc.powerpc/lib/csu/powerpc/crtbeginS.o.meta
CMD /usr/local/bin/powerpc-unknown-freebsd13.0-gcc9 -gdwarf-2
--sysroot=/usr/obj/powerpcvtsc_xtoolchain-gcc/powerpc.powerpc/usr/src/powerpc.powerpc/tmp
-B/usr/local/powerpc-unknown-freebsd13.0/bin/ -O
2 -pipe -I/usr/src/lib/csu/common -I/usr/src/lib/libc/include
-DCRT_IRELOC_SUPPRESS -g -std=gnu99 -Wno-format-zero-length
-Wsystem-headers -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-
prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual
-Wwrite-strings -Wswitch -Wshadow -Wunused-parameter -Wcast-align
-Wchar-subscripts -Winline -Wnested-externs -Wredundant-decl
s -Wold-style-definition -Wno-pointer-sign -Wno-error=address
-Wno-error=array-bounds -Wno-error=attributes -Wno-error=bool-compare
-Wno-error=cast-align -Wno-error=clobbered -Wno-error=deprecated-dec
larations -Wno-error=enum-compare -Wno-error=extra -Wno-error=inline
-Wno-error=logical-not-parentheses -Wno-error=strict-aliasing
-Wno-error=uninitialized -Wno-error=unused-but-set-variable -Wno-erro
r=unused-function -Wno-error=unused-value -Wno-error=misleading-indentation
-Wno-error=nonnull-compare -Wno-error=shift-negative-value
-Wno-error=tautological-compare -Wno-error=unused-const-variable
-Wno-error=bool-operation -Wno-error=deprecated -Wno-error=expansion-to-defined
-Wno-error=format-overflow -Wno-error=format-truncation
-Wno-error=implicit-fallthrough -Wno-error=int-in-bool-context -
Wno-error=memset-elt-size -Wno-error=noexcept-type -Wno-error=nonnull
-Wno-error=pointer-compare -Wno-error=stringop-overflow
-Wno-error=aggressive-loop-optimizations -Wno-error=cast-function-type -Wn
o-error=catch-value -Wno-error=multistatement-macros -Wno-error=restrict
-Wno-error=sizeof-pointer-memaccess -Wno-error=stringop-truncation -v
-I/usr/src/lib/csu/powerpc -DSHARED -fpic -c -o crtb
eginS.o /usr/src/lib/csu/common/crtbegin.c
CWD
/usr/obj/powerpcvtsc_xtoolchain-gcc/powerpc.powerpc/usr/src/powerpc.powerpc/lib/csu/powerpc
TARGET crtbeginS.o
-- command output --
Using built-in specs.
COLLECT_GCC=/usr/local/bin/powerpc-unknown-freebsd13.0-gcc9
Target: powerpc-unknown-freebsd13.0
Configured with:
/wrkdirs/usr/ports/devel/freebsd-gcc9/work-powerpc/gcc-9.2.0/configure
--target=powerpc-unknown-freebsd13.0 --disable-nls --enable-languages=c,c++
--enable-gnu-indirect-function --ena
ble-initfini-array --program-prefix=powerpc-unknown-freebsd13.0-
--program-suffix=9 --without-headers --with-gmp=/usr/local
--with-pkgversion='FreeBSD Ports Collection for powerpc' --with-system-zlib
--with-gxx-include-dir=/usr/include/c++/v1/ --with-sysroot=/
--with-as=/usr/local/bin/powerpc-unknown-freebsd13.0-as
--with-ld=/usr/local/bin/powerpc-unknown-freebsd13.0-ld --prefix=/usr/local
--local
statedir=/var --mandir=/usr/local/man --infodir=/usr/local/share/info/
--build=x86_64-unknown-freebsd13.0
Thread model: posix
gcc version 9.2.0 (FreeBSD Ports Collection for powerpc)
COLLECT_GCC_OPTIONS='-gdwarf-2' '-B'
'/usr/local/powerpc-unknown-freebsd13.0/bin/' '-O2' '-pipe' '-I'
'/usr/src/lib/csu/common' '-I' '/usr/src/lib/libc/include' '-D'
'CRT_IRELOC_SUPPRESS' '-g' '-std=g
nu99' '-Wno-format-zero-length' '-Wsystem-headers' '-Wall' '-Wno-format-y2k'
'-Wextra' '-Wstrict-prototypes' '-Wmissing-prototypes' '-Wpointer-arith'
'-Wreturn-type' '-Wcast-qual' '-Wwrite-strings' '-
Wswitch' '-Wshadow' '-Wunused-parameter' '-Wcast-align' '-Wchar-subscripts'
'-Winline' '-Wnested-externs' '-Wredundant-decls' '-Wold-style-definition'
'-Wno-pointer-sign' '-Wno-error=address' '-Wno-er
ror=array-bounds' '-Wno-error=attributes' '-Wno-error=bool-compare'
'-Wno-error=cast-align' '-Wno-error=clobbered'
'-Wno-error=deprecated-declarations' '-Wno-error=enum-compare'
'-Wno-error=extra' '-W
no-error=inline' '-Wno-error=logical-not-parentheses'
'-Wno-error=strict-aliasing' '-Wno-error=uninitialized'
'-Wno-error=unused-but-set-variable' '-Wno-error=unused-function'
'-Wno-error=unused-value
' '-Wno-error=misleading-indentation' '-Wno-error=nonnull-compare'
'-Wno-error=shift-negative-value' '-Wno-error=tautological-compare'
'-Wno-error=unused-const-variable' '-Wno-error=bool-operation' '-
Wno-error=deprecated' '-Wno-error=expansion-to-defined'
'-Wno-error=format-overflow' '-Wno-error=format-truncation'
'-Wno-error=implicit-fallthrough' '-Wno-error=int-in-bool-context'
'-Wno-error=memse
t-elt-size' '-Wno-error=noexcept-type' '-Wno-error=nonnull'
'-Wno-error=pointer-compare' '-Wno-error=stringop-overflow'
'-Wno-error=aggressive-loop-optimizations' '-Wno-error=cast-function-type' '-Wno
-error=catch-value' '-Wno-error=multistatement-macros' '-Wno-error=restrict'
'-Wno-error=sizeof-pointer-memaccess' '-Wno-error=stringop-truncation' '-v'
'-I' '/usr/src/lib/csu/powerpc' '-D' 'SHARED' '
-fpic' '-c' '-o' 'crtbeginS.o'
/usr/local/libexec/gcc/powerpc-unknown-freebsd13.0/9.2.0/cc1 -quiet -v -I
/usr/src/lib/csu/common -I /usr/src/lib/libc/include -I
/usr/src/lib/csu/powerpc -isysroot /usr/obj/powerpcvtsc_xtoolchain-gc
c/powerpc.powerpc/usr/src/powerpc.powerpc/tmp -D__PPC__ -D__ppc__ -D__PowerPC__
-D__powerpc__ -Acpu=powerpc -Amachine=powerpc -D CRT_IRELOC_SUPPRESS -D SHARED
/usr/src/lib/csu/common/crtbegin.c -quiet
-dumpbase crtbegin.c -auxbase-strip crtbeginS.o -gdwarf-2 -g -O2
-Wno-format-zero-length -Wsystem-headers -Wall -Wno-format-y2k -Wextra
-Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wretu
rn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wunused-parameter
-Wcast-align -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls
-Wold-style-definition -Wno-pointer-sign -Wno-error=
address -Wno-error=array-bounds -Wno-error=attributes -Wno-error=bool-compare
-Wno-error=cast-align -Wno-error=clobbered -Wno-error=deprecated-declarations
-Wno-error=enum-compare -Wno-error=extra -Wn
o-error=inline -Wno-error=logical-not-parentheses -Wno-error=strict-aliasing
-Wno-error=uninitialized -Wno-error=unused-but-set-variable
-Wno-error=unused-function -Wno-error=unused-value -Wno-error=m
isleading-indentation -Wno-error=nonnull-compare
-Wno-error=shift-negative-value -Wno-error=tautological-compare
-Wno-error=unused-const-variable -Wno-error=bool-operation
-Wno-error=deprecated -Wno-e
rror=expansion-to-defined -Wno-error=format-overflow
-Wno-error=format-truncation -Wno-error=implicit-fallthrough
-Wno-error=int-in-bool-context -Wno-error=memset-elt-size
-Wno-error=noexcept-type -Wn
o-error=nonnull -Wno-error=pointer-compare -Wno-error=stringop-overflow
-Wno-error=aggressive-loop-optimizations -Wno-error=cast-function-type
-Wno-error=catch-value -Wno-error=multistatement-macros -
Wno-error=restrict -Wno-error=sizeof-pointer-memaccess
-Wno-error=stringop-truncation -std=gnu99 -version -fpic -o - |
/usr/local/bin/powerpc-unknown-freebsd13.0-as -v -I /usr/src/lib/csu/common -I
/usr/src/lib/libc/include -I /usr/src/lib/csu/powerpc -mppc -many -K PIC -mbig
-o crtbeginS.o
GNU assembler version 2.33.1 (powerpc-unknown-freebsd13.0) using BFD version
(GNU Binutils) 2.33.1
GNU C99 (FreeBSD Ports Collection for powerpc) version 9.2.0
(powerpc-unknown-freebsd13.0)
compiled by GNU C version FreeBSD Clang 9.0.0 (tags/RELEASE_900/final
372316), GMP version 6.1.2, MPFR version 4.0.2, MPC version 1.1.0, isl version
none
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
ignoring nonexistent directory
"/usr/local/lib/gcc/powerpc-unknown-freebsd13.0/9.2.0/include-fixed"
ignoring nonexistent directory
"/usr/local/lib/gcc/powerpc-unknown-freebsd13.0/9.2.0/../../../../powerpc-unknown-freebsd13.0/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/src/lib/csu/common
/usr/src/lib/libc/include
/usr/src/lib/csu/powerpc
/usr/local/lib/gcc/powerpc-unknown-freebsd13.0/9.2.0/include
/usr/obj/powerpcvtsc_xtoolchain-gcc/powerpc.powerpc/usr/src/powerpc.powerpc/tmp/usr/include
End of search list.
GNU C99 (FreeBSD Ports Collection for powerpc) version 9.2.0
(powerpc-unknown-freebsd13.0)
compiled by GNU C version FreeBSD Clang 9.0.0 (tags/RELEASE_900/final
372316), GMP version 6.1.2, MPFR version 4.0.2, MPC version 1.1.0, isl version
none
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: c272cae35a1ab078596359ed10bcfdea
/usr/src/lib/csu/common/crtbegin.c: In function '__do_global_dtors_aux':
/usr/src/lib/csu/common/crtbegin.c:83:21: warning: array subscript 1 is above
array bounds of 'void (*[1])(void)' [-Warray-bounds]
83 | fn = __DTOR_LIST__[n];
| ~~~~~~~~~~~~~^~~
/usr/src/lib/csu/common/crtbegin.c:68:17: note: while referencing
'__DTOR_LIST__'
68 | static crt_func __DTOR_LIST__[] __section(".dtors") __used = {
| ^~~~~~~~~~~~~
/usr/src/lib/csu/common/crtbegin.c: In function 'register_classes':
/usr/src/lib/csu/common/crtbegin.c:114:49: warning: array subscript 0 is above
array bounds of 'void (*[0])(void)' [-Warray-bounds]
114 | if (_Jv_RegisterClasses != NULL && __JCR_LIST__[0] != 0)
| ~~~~~~~~~~~~^~~
/usr/src/lib/csu/common/crtbegin.c:114:49: warning: array subscript 0 is above
array bounds of 'void (*[0])(void)' [-Warray-bounds]
/usr/src/lib/csu/common/crtbegin.c:105:17: note: while referencing
'__JCR_LIST__'
105 | static crt_func __JCR_LIST__[] __section(".jcr") __used = { };
| ^~~~~~~~~~~~
COMPILER_PATH=/usr/local/powerpc-unknown-freebsd13.0/bin/:/usr/local/libexec/gcc/powerpc-unknown-freebsd13.0/9.2.0/:/usr/local/libexec/gcc/powerpc-unknown-freebsd13.0/9.2.0/:/usr/local/libexec/gcc/pow
erpc-unknown-freebsd13.0/:/usr/local/lib/gcc/powerpc-unknown-freebsd13.0/9.2.0/:/usr/local/lib/gcc/powerpc-unknown-freebsd13.0/:/usr/local/lib/gcc/powerpc-unknown-freebsd13.0/9.2.0/../../../../powerpc
-unknown-freebsd13.0/bin/
LIBRARY_PATH=/usr/local/powerpc-unknown-freebsd13.0/bin/:/usr/local/lib/gcc/powerpc-unknown-freebsd13.0/9.2.0/:/usr/obj/powerpcvtsc_xtoolchain-gcc/powerpc.powerpc/usr/src/powerpc.powerpc/tmp/usr/lib/
COLLECT_GCC_OPTIONS='-gdwarf-2' '-B'
'/usr/local/powerpc-unknown-freebsd13.0/bin/' '-O2' '-pipe' '-I'
'/usr/src/lib/csu/common' '-I' '/usr/src/lib/libc/include' '-D'
'CRT_IRELOC_SUPPRESS' '-g' '-std=g
nu99' '-Wno-format-zero-length' '-Wsystem-headers' '-Wall' '-Wno-format-y2k'
'-Wextra' '-Wstrict-prototypes' '-Wmissing-prototypes' '-Wpointer-arith'
'-Wreturn-type' '-Wcast-qual' '-Wwrite-strings' '-
Wswitch' '-Wshadow' '-Wunused-parameter' '-Wcast-align' '-Wchar-subscripts'
'-Winline' '-Wnested-externs' '-Wredundant-decls' '-Wold-style-definition'
'-Wno-pointer-sign' '-Wno-error=address' '-Wno-er
ror=array-bounds' '-Wno-error=attributes' '-Wno-error=bool-compare'
'-Wno-error=cast-align' '-Wno-error=clobbered'
'-Wno-error=deprecated-declarations' '-Wno-error=enum-compare'
'-Wno-error=extra' '-W
no-error=inline' '-Wno-error=logical-not-parentheses'
'-Wno-error=strict-aliasing' '-Wno-error=uninitialized'
'-Wno-error=unused-but-set-variable' '-Wno-error=unused-function'
'-Wno-error=unused-value
' '-Wno-error=misleading-indentation' '-Wno-error=nonnull-compare'
'-Wno-error=shift-negative-value' '-Wno-error=tautological-compare'
'-Wno-error=unused-const-variable' '-Wno-error=bool-operation' '-
Wno-error=deprecated' '-Wno-error=expansion-to-defined'
'-Wno-error=format-overflow' '-Wno-error=format-truncation'
'-Wno-error=implicit-fallthrough' '-Wno-error=int-in-bool-context'
'-Wno-error=memse
t-elt-size' '-Wno-error=noexcept-type' '-Wno-error=nonnull'
'-Wno-error=pointer-compare' '-Wno-error=stringop-overflow'
'-Wno-error=aggressive-loop-optimizations' '-Wno-error=cast-function-type' '-Wno
-error=catch-value' '-Wno-error=multistatement-macros' '-Wno-error=restrict'
'-Wno-error=sizeof-pointer-memaccess' '-Wno-error=stringop-truncation' '-v'
'-I' '/usr/src/lib/csu/powerpc' '-D' 'SHARED' '
-fpic' '-c' '-o' 'crtbeginS.o'
===
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)
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