Date: Wed, 14 Nov 2018 13:51:20 -0800 From: Mark Millard <marklmi@yahoo.com> To: ports-list freebsd <freebsd-ports@freebsd.org>, freebsd-x11@freebsd.org, Bryan Drewery <bdrewery@FreeBSD.org> Subject: Re: ports head -r487783: on armv7 x11/pixman fails to build: /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX against local symbol in readonly segment; recompile object files with -fPIC Message-ID: <F589E76E-072F-4A89-AA4A-F5209FBDFBC0@yahoo.com> In-Reply-To: <5FF705ED-B019-4CB1-B516-796C2E7A6FF9@yahoo.com> References: <56BE95DD-61E5-43CB-923D-10E968003FE3@yahoo.com> <5FF705ED-B019-4CB1-B516-796C2E7A6FF9@yahoo.com>
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[Tracking down -O2 vs. -O lead to share/mk/sys.mk instead of
to my materials. It in turn leads back to poudriere-devel with
qemu-user-static in use defining MACHINE_ARCH but without it
instead not doing so. share/mk/sys.mk behaves differently
for with vs. without the definition, leading to -O2 vs -O
differences in the two build contexts. Details later below.]
On 2018-Nov-14, at 13:05, Mark Millard <marklmi at yahoo.com> wrote:
> [Added: The original cross-build via poudriere-devel and =
qemu-user-static
> did not get this problem. I give details later. Sumamry: Looks like =
-O2
> was used for the cross build and -O was used for armv7 native. The
> difference is likely(?) from my materials but not supporting both ways =
of
> building is likely a problem with the port(?).]
>=20
> On 2018-Nov-14, at 10:10, Mark Millard <marklmi at yahoo.com> wrote:
>=20
>> I'll first note:
>>=20
>> # /usr/bin/ld -v
>> LLD 6.0.1 (FreeBSD 335540-1300000) (compatible with GNU linkers)
>>=20
>> and that I use:
>>=20
>> CFLAGS.clang+=3D -mcpu=3Dcortex-a7
>> CXXFLAGS.clang+=3D -mcpu=3Dcortex-a7
>> CPPFLAGS.clang+=3D -mcpu=3Dcortex-a7
>>=20
>> in the src.conf like =
~/src.configs/src.conf.armv7-clang-bootstrap.armv7-host
>> file that I used.
>>=20
>> The error reports were:
>>=20
>> --- libpixman-1.la ---
>> /bin/sh ../libtool --tag=3DCC --mode=3Dlink cc -O -pipe =
-mcpu=3Dcortex-a7 -g -fno-strict-aliasing -Wall =
-Wdeclaration-after-statement -Wno-unused-local-typedefs =
-fno-strict-aliasing -fvisibility=3Dhid
>> den -version-info 34:0:34 -no-undefined -pthread -o =
libpixman-1.la -rpath /usr/local/lib pixman.lo pixman-access.lo =
pixman-access-accessors.lo pixman-bits-image.lo pixman-combine32.lo =
pixm
>> an-combine-float.lo pixman-conical-gradient.lo pixman-filter.lo =
pixman-x86.lo pixman-mips.lo pixman-arm.lo pixman-ppc.lo pixman-edge.lo =
pixman-edge-accessors.lo pixman-fast-path.lo pixman-glyph.lo=20
>> pixman-general.lo pixman-gradient-walker.lo pixman-image.lo =
pixman-implementation.lo pixman-linear-gradient.lo pixman-matrix.lo =
pixman-noop.lo pixman-radial-gradient.lo pixman-region16.lo pixman-r
>> egion32.lo pixman-solid-fill.lo pixman-timer.lo pixman-trap.lo =
pixman-utils.lo -lm -lm libpixman-arm-simd.la =
libpixman-arm-neon.la -lm
>> libtool: link: cc -shared -fPIC -DPIC .libs/pixman.o =
.libs/pixman-access.o .libs/pixman-access-accessors.o =
.libs/pixman-bits-image.o .libs/pixman-combine32.o =
.libs/pixman-combine-float.o .libs/pixma
>> n-conical-gradient.o .libs/pixman-filter.o .libs/pixman-x86.o =
.libs/pixman-mips.o .libs/pixman-arm.o .libs/pixman-ppc.o =
.libs/pixman-edge.o .libs/pixman-edge-accessors.o =
.libs/pixman-fast-path.o .libs
>> /pixman-glyph.o .libs/pixman-general.o .libs/pixman-gradient-walker.o =
.libs/pixman-image.o .libs/pixman-implementation.o =
.libs/pixman-linear-gradient.o .libs/pixman-matrix.o .libs/pixman-noop.o =
.libs/
>> pixman-radial-gradient.o .libs/pixman-region16.o =
.libs/pixman-region32.o .libs/pixman-solid-fill.o .libs/pixman-timer.o =
.libs/pixman-trap.o .libs/pixman-utils.o -Wl,--whole-archive =
./.libs/libpixman-
>> arm-simd.a ./.libs/libpixman-arm-neon.a -Wl,--no-whole-archive -lm =
-O -mcpu=3Dcortex-a7 -g -pthread -pthread -Wl,-soname =
-Wl,libpixman-1.so.0 -o .libs/libpixman-1.so.0.34.0
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in =
./.libs/libpixman-arm-simd.a(pixman-arm-simd-asm-scaled.o)
>>>>> referenced by pixman-arm-simd-asm-scaled.o:(.text+0x1B8) in =
archive ./.libs/libpixman-arm-simd.a
>>=20
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in =
./.libs/libpixman-arm-simd.a(pixman-arm-simd-asm-scaled.o)
>>>>> referenced by pixman-arm-simd-asm-scaled.o:(.text+0x374) in =
archive ./.libs/libpixman-arm-simd.a
>>=20
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in ./.libs/libpixman-arm-neon.a(pixman-arm-neon-asm.o)
>>>>> referenced by pixman-arm-neon-asm.o:(.text+0x17AC) in archive =
./.libs/libpixman-arm-neon.a
>>=20
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in ./.libs/libpixman-arm-neon.a(pixman-arm-neon-asm.o)
>>>>> referenced by pixman-arm-neon-asm.o:(.text+0x1814) in archive =
./.libs/libpixman-arm-neon.a
>>=20
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in ./.libs/libpixman-arm-neon.a(pixman-arm-neon-asm.o)
>>>>> referenced by pixman-arm-neon-asm.o:(.text+0x1A38) in archive =
./.libs/libpixman-arm-neon.a
>>=20
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in ./.libs/libpixman-arm-neon.a(pixman-arm-neon-asm.o)
>>>>> referenced by pixman-arm-neon-asm.o:(.text+0x1AFC) in archive =
./.libs/libpixman-arm-neon.a
>>=20
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in ./.libs/libpixman-arm-neon.a(pixman-arm-neon-asm.o)
>>>>> referenced by pixman-arm-neon-asm.o:(.text+0x21C8) in archive =
./.libs/libpixman-arm-neon.a
>>=20
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in ./.libs/libpixman-arm-neon.a(pixman-arm-neon-asm.o)
>>>>> referenced by pixman-arm-neon-asm.o:(.text+0x2294) in archive =
./.libs/libpixman-arm-neon.a
>>=20
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in ./.libs/libpixman-arm-neon.a(pixman-arm-neon-asm.o)
>>>>> referenced by pixman-arm-neon-asm.o:(.text+0x84E0) in archive =
./.libs/libpixman-arm-neon.a
>>=20
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in ./.libs/libpixman-arm-neon.a(pixman-arm-neon-asm.o)
>>>>> referenced by pixman-arm-neon-asm.o:(.text+0x85C4) in archive =
./.libs/libpixman-arm-neon.a
>>=20
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in ./.libs/libpixman-arm-neon.a(pixman-arm-neon-asm.o)
>>>>> referenced by pixman-arm-neon-asm.o:(.text+0x9720) in archive =
./.libs/libpixman-arm-neon.a
>>=20
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in ./.libs/libpixman-arm-neon.a(pixman-arm-neon-asm.o)
>>>>> referenced by pixman-arm-neon-asm.o:(.text+0x9834) in archive =
./.libs/libpixman-arm-neon.a
>>=20
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in ./.libs/libpixman-arm-neon.a(pixman-arm-neon-asm.o)
>>>>> referenced by pixman-arm-neon-asm.o:(.text+0xA7B0) in archive =
./.libs/libpixman-arm-neon.a
>>=20
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in ./.libs/libpixman-arm-neon.a(pixman-arm-neon-asm.o)
>>>>> referenced by pixman-arm-neon-asm.o:(.text+0xA8CC) in archive =
./.libs/libpixman-arm-neon.a
>>=20
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in ./.libs/libpixman-arm-neon.a(pixman-arm-neon-asm.o)
>>>>> referenced by pixman-arm-neon-asm.o:(.text+0x105A0) in archive =
./.libs/libpixman-arm-neon.a
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in ./.libs/libpixman-arm-neon.a(pixman-arm-neon-asm.o)
>>>>> referenced by pixman-arm-neon-asm.o:(.text+0x10DB8) in archive =
./.libs/libpixman-arm-neon.a
>>=20
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in ./.libs/libpixman-arm-neon.a(pixman-arm-neon-asm.o)
>>>>> referenced by pixman-arm-neon-asm.o:(.text+0x11274) in archive =
./.libs/libpixman-arm-neon.a
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in ./.libs/libpixman-arm-neon.a(pixman-arm-neon-asm.o)
>>>>> referenced by pixman-arm-neon-asm.o:(.text+0x11808) in archive =
./.libs/libpixman-arm-neon.a
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in =
./.libs/libpixman-arm-neon.a(pixman-arm-neon-asm-bilinear.o)
>>>>> referenced by pixman-arm-neon-asm-bilinear.o:(.text+0x4F0) in =
archive ./.libs/libpixman-arm-neon.a
>>=20
>> /usr/bin/ld: error: can't create dynamic relocation R_ARM_V4BX =
against local symbol in readonly segment; recompile object files with =
-fPIC
>>>>> defined in =
./.libs/libpixman-arm-neon.a(pixman-arm-neon-asm-bilinear.o)
>>>>> referenced by pixman-arm-neon-asm-bilinear.o:(.text+0xABC) in =
archive ./.libs/libpixman-arm-neon.a
>>=20
>> /usr/bin/ld: error: too many errors emitted, stopping now (use =
-error-limit=3D0 to see all errors)
>> cc: error: linker command failed with exit code 1 (use -v to see =
invocation)
>> *** [libpixman-1.la] Error code 1
>>=20
>> make[3]: stopped in =
/wrkdirs/usr/ports/x11/pixman/work/pixman-0.34.0/pixman
>> 1 error
>>=20
>> make[3]: stopped in =
/wrkdirs/usr/ports/x11/pixman/work/pixman-0.34.0/pixman
>> *** [all-recursive] Error code 1
>>=20
>>=20
>> FreeBSD context details:
>>=20
>> # uname -apKU
>> FreeBSD OPiP2E 13.0-CURRENT FreeBSD 13.0-CURRENT #5 r340287M: Sat Nov =
10 22:40:25 PST 2018 =
markmi@FBSDFSSD:/usr/obj/armv7_clang/arm.armv7/usr/src/arm.armv7/sys/GENER=
IC-NODBG arm armv7 1300003 1300003
>=20
>=20
> I went back and looked at the amd64 -> armv7 cross-build
> ( that used teh poudriere-built /nxb-bin/usr/bin/ ) and it
> did not complain:
>=20
> --- libpixman-1.la ---
> /bin/sh ../libtool --tag=3DCC --mode=3Dlink /nxb-bin/usr/bin/cc =
-O2 -pipe -mcpu=3Dcortex-a7 -g -fno-strict-aliasing -Wall =
-Wdeclaration-after-statement -Wno-unused-local-typedefs =
-fno-strict-aliasing -fvisibility=3Dhidden -version-info 34:0:34 =
-no-undefined -Wl,--no-threads -pthread -Wl,--no-threads -o =
libpixman-1.la -rpath /usr/local/lib pixman.lo pixman-access.lo =
pixman-access-accessors.lo pixman-bits-image.lo pixman-combine32.lo =
pixman-combine-float.lo pixman-conical-gradient.lo pixman-filter.lo =
pixman-x86.lo pixman-mips.lo pixman-arm.lo pixman-ppc.lo pixman-edge.lo =
pixman-edge-accessors.lo pixman-fast-path.lo pixman-glyph.lo =
pixman-general.lo pixman-gradient-walker.lo pixman-image.lo =
pixman-implementation.lo pixman-linear-gradient.lo pixman-matrix.lo =
pixman-noop.lo pixman-radial-gradient.lo pixman-region16.lo =
pixman-region32.lo pixman-solid-fill.lo pixman-timer.lo pixman-trap.lo =
pixman-utils.lo -lm -lm libpixman-arm-simd.la =
libpixman-arm-neon.la -lm
> libtool: link: /nxb-bin/usr/bin/cc -shared -fPIC -DPIC =
.libs/pixman.o .libs/pixman-access.o .libs/pixman-access-accessors.o =
.libs/pixman-bits-image.o .libs/pixman-combine32.o =
.libs/pixman-combine-float.o .libs/pixman-conical-gradient.o =
.libs/pixman-filter.o .libs/pixman-x86.o .libs/pixman-mips.o =
.libs/pixman-arm.o .libs/pixman-ppc.o .libs/pixman-edge.o =
.libs/pixman-edge-accessors.o .libs/pixman-fast-path.o =
.libs/pixman-glyph.o .libs/pixman-general.o =
.libs/pixman-gradient-walker.o .libs/pixman-image.o =
.libs/pixman-implementation.o .libs/pixman-linear-gradient.o =
.libs/pixman-matrix.o .libs/pixman-noop.o .libs/pixman-radial-gradient.o =
.libs/pixman-region16.o .libs/pixman-region32.o =
.libs/pixman-solid-fill.o .libs/pixman-timer.o .libs/pixman-trap.o =
.libs/pixman-utils.o -Wl,--whole-archive ./.libs/libpixman-arm-simd.a =
./.libs/libpixman-arm-neon.a -Wl,--no-whole-archive -lm -O2 =
-mcpu=3Dcortex-a7 -g -Wl,--no-threads -pthread -Wl,--no-threads =
-pthread -Wl,-soname -Wl,libpixman-1.so.0 -o .libs/libpixman-1.so.0.34.0
> libtool: link: (cd ".libs" && rm -f "libpixman-1.so.0" && ln -s =
"libpixman-1.so.0.34.0" "libpixman-1.so.0")
> libtool: link: (cd ".libs" && rm -f "libpixman-1.so" && ln -s =
"libpixman-1.so.0.34.0" "libpixman-1.so")
> libtool: link: (cd .libs/libpixman-1.lax/libpixman-arm-simd.a && ar x =
"/wrkdirs/usr/ports/x11/pixman/work/pixman-0.34.0/pixman/./.libs/libpixman=
-arm-simd.a")
> libtool: link: (cd .libs/libpixman-1.lax/libpixman-arm-neon.a && ar x =
"/wrkdirs/usr/ports/x11/pixman/work/pixman-0.34.0/pixman/./.libs/libpixman=
-arm-neon.a")
> libtool: link: ar cru .libs/libpixman-1.a pixman.o pixman-access.o =
pixman-access-accessors.o pixman-bits-image.o pixman-combine32.o =
pixman-combine-float.o pixman-conical-gradient.o pixman-filter.o =
pixman-x86.o pixman-mips.o pixman-arm.o pixman-ppc.o pixman-edge.o =
pixman-edge-accessors.o pixman-fast-path.o pixman-glyph.o =
pixman-general.o pixman-gradient-walker.o pixman-image.o =
pixman-implementation.o pixman-linear-gradient.o pixman-matrix.o =
pixman-noop.o pixman-radial-gradient.o pixman-region16.o =
pixman-region32.o pixman-solid-fill.o pixman-timer.o pixman-trap.o =
pixman-utils.o =
.libs/libpixman-1.lax/libpixman-arm-simd.a/pixman-arm-simd-asm-scaled.o =
.libs/libpixman-1.lax/libpixman-arm-simd.a/pixman-arm-simd-asm.o =
.libs/libpixman-1.lax/libpixman-arm-simd.a/pixman-arm-simd.o =
.libs/libpixman-1.lax/libpixman-arm-neon.a/pixman-arm-neon-asm-bilinear.o =
.libs/libpixman-1.lax/libpixman-arm-neon.a/pixman-arm-neon-asm.o =
.libs/libpixman-1.lax/libpixman-arm-neon.a/pixman-arm-neon.o=20
> libtool: link: ranlib .libs/libpixman-1.a
> libtool: link: rm -fr .libs/libpixman-1.lax
> libtool: link: ( cd ".libs" && rm -f "libpixman-1.la" && ln -s =
"../libpixman-1.la" "libpixman-1.la" )
> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<ph=
ase: run-depends >=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<ph=
ase: stage >=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> . . .
>=20
>=20
> So I diff'd the logs and found the following (selective extraction):
> (- for amd64 -> armv7; + for armv7)
>=20
> -Poudriere version: 3.2.99.20180601
> +Poudriere version: 3.2.99.20181024
>=20
> This is was expected but may mean that I need to wait
> until the armv7 has 3.2.99.20181024 and I try via
> it.
>=20
> -SHELL=3D/bin/csh
> -UNAME_p=3Darmv7
> -UNAME_m=3Darm
> -ABI_FILE=3D/usr/lib/crt1.o
> +SHELL=3D/bin/sh
>=20
> The SHELL's I expected but the other 3 lines I did not.
> But the 3 lines may only occur under qemu-user-static
> style use.
>=20
> -QEMU_EMULATING=3D1
>=20
> Expected.
>=20
> In CONFIGURE_ENV:
>=20
> amd64 -> armv7: CCASFLAGS having -O2
> armv7: CCASFLAGS having -O
>=20
> In MAKE_ENV:
>=20
> amd64 -> armv7: CFLAGS having -O2
> armv7: CFLAGS having -O
>=20
>=20
> (The -O2 vs. -O context differences may well be important
> to the behavior.)
>=20
> (I'll not list /nxb-bin/. . . path use vs. not.)
>=20
> Later:
>=20
> -MACHINE=3Darm
> -MACHINE_ARCH=3Darmv7
> -ARCH=3D${MACHINE_ARCH}
>=20
> -.if ${LDFLAGS:M-fuse-ld=3D*lld*} || ${/usr/bin/ld:L:tA} =3D=3D =
/usr/bin/ld.lld
> -LDFLAGS+=3D -Wl,--no-threads
> -.endif
>=20
> (That last was part of an experiment with avoiding a
> user-arm-static hangup.)
>=20
> -_SMP_CPUS=3D28
> +_SMP_CPUS=3D4
>=20
> I'll stop with that. It looks to me like -O2 vs. -O
> would be the likely distinction. While my materials
> probably caused that difference(?), the port likely
> should support both ways of building(?).
/usr/src/share/mk/sys.mk has:
.if !defined(%POSIX)
#=20
# MACHINE_CPUARCH defines a collection of MACHINE_ARCH. Machines with
# the same MACHINE_ARCH can run each other's binaries, so it necessarily
# has word size and endian swizzled in. However, the source files for
# these machines often are shared amongst all combinations of size
# and/or endian. This is called MACHINE_CPU in NetBSD, but that's used
# for something different in FreeBSD.
#
=
__TO_CPUARCH=3DC/mips(n32|64)?(el)?(hf)?/mips/:C/arm(v[67])?(eb)?/arm/:C/p=
owerpc(64|spe)/powerpc/:C/riscv64(sf)?/riscv/
MACHINE_CPUARCH=3D${MACHINE_ARCH:${__TO_CPUARCH}}
.endif
. . .
.if ${MACHINE_CPUARCH} =3D=3D "arm" || ${MACHINE_CPUARCH} =3D=3D "mips"
CFLAGS ?=3D -O -pipe
.else
CFLAGS ?=3D -O2 -pipe
.endif
. . .
So with qemu-user-static involved MACHINE_ARCH was defined as armv7
and MACHINE_CPUARCH was too. (See the earlier "-MACHINE_ARCH=3Darmv7"
line of the log differences.)
But without qemu-user-static involved MACHINE_ARCH was not defined
and MACHINE_CPUARCH was defined as just arm . (No "+" line to
match.)
Overall result: the two contexts differ for -O2 vs. -O use in CFLAGS.
=3D=3D=3D
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)
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