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Date:      Sun, 11 Oct 2015 19:17:44 -0700
From:      Mark Millard <markmi@dsl-only.net>
To:        FreeBSD PowerPC ML <freebsd-ppc@freebsd.org>, FreeBSD Toolchain <freebsd-toolchain@freebsd.org>
Subject:   powerpc64-xtoolchain-gcc/powerpc64-gcc gets libcxxrt/guard.cc:104:15: error: expected constructor, destructor, . . . for lib32 (clang 3.6.1 context)
Message-ID:  <C5A031FF-4CDE-4B37-9CB1-A9F5224EEC52@dsl-only.net>

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For an amd64 11.0 context (still having clang 3.6.1 source, not 3.7) =
doing

make -j 6 CROSS_TOOLCHAIN=3Dpowerpc64-gcc \
-DWITH_GCC -DWITH_GCC_BOOTSTRAP -DWITH_GNUCXX \
-DWITHCLANG -DWITHOUT_CLANG_BOOTSTRAP -DWITH_CLANG_FULL =
-DWITHOUT_CLANG_IS_CC \
-DWITHOUT_CLANG_EXTRAS -DWITHOUT_LLDB \
-DWITHOUT_BOOT -DWITH_LIB32 \
buildworld buildkernel KERNCONF=3DGENERIC64-NODBG \
TARGET=3Dpowerpc TARGET_ARCH=3Dpowerpc64

the results for this (a test of attempting to also build lib32) are the =
following:
[powerpc64-xtoolchain-gcc/powerpc64-gcc is based on gcc5.2 these days. =
More context details are given later.]


--- guard.po ---
/usr/local/bin/powerpc64-portbld-freebsd11.0-g++ -m32 -mcpu=3Dpowerpc =
-DCOMPAT_32BIT  -isystem =
/usr/obj/powerpc.powerpc64/usr/src/lib32/usr/include/  =
-L/usr/obj/powerpc.powerpc64/usr/src/lib32/usr/lib32  =
-B/usr/obj/powerpc.powerpc64/usr/src/lib32/usr/lib32 =
--sysroot=3D/usr/obj/powerpc.powerpc64/usr/src/tmp -pg  -O2 -pipe =
-I/usr/src/lib/libcxxrt/../../contrib/libcxxrt -fstack-protector   -c =
/usr/src/lib/libcxxrt/../../contrib/libcxxrt/guard.cc -o guard.po
/usr/src/lib/libcxxrt/../../contrib/libcxxrt/guard.cc:104:15: error: =
expected constructor, destructor, or type conversion before '(' token
 _Static_assert(sizeof(guard_t) =3D=3D sizeof(uint64_t), "");
               ^
*** [guard.po] Error code 1

make[4]: stopped in /usr/src/lib/libcxxrt
1 error






The context details follow.

Mac OS X 10.10.5 using a VirtualBox V5.0.4 VM with. . .
root@FreeBSDx64:/usr/src # freebsd-version -ku; uname -aKU
11.0-CURRENT
11.0-CURRENT
FreeBSD FreeBSDx64 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r288459: Sat Oct =
 3 03:42:08 PDT 2015     =
root@FreeBSDx64:/usr/obj/usr/src/sys/GENERIC-NODEBUG  amd64 1100079 =
1100079

root@FreeBSDx64:/usr/src # svnlite info /usr/src
Path: .
Working Copy Root Path: /usr/src
URL: https://svn.freebsd.org/base/head
Relative URL: ^/head
Repository Root: https://svn.freebsd.org/base
Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Revision: 288459
Node Kind: directory
Schedule: normal
Last Changed Author: gjb
Last Changed Rev: 288459
Last Changed Date: 2015-10-01 12:48:10 -0700 (Thu, 01 Oct 2015)

root@FreeBSDx64:/usr/src # more /etc/src.conf
# World:
NO_WERROR=3D

# Kernel:
WERROR=3D

root@FreeBSDx64:/usr/src # more /etc/make.conf
/etc/make.conf: No such file or directory


root@FreeBSDx64:/usr/src # svnlite info /usr/ports
Path: /usr/ports
Working Copy Root Path: /usr/ports
URL: https://svn.freebsd.org/ports/head
Relative URL: ^/head
Repository Root: https://svn.freebsd.org/ports
Repository UUID: 35697150-7ecd-e111-bb59-0022644237b5
Revision: 398559
Node Kind: directory
Schedule: normal
Last Changed Author: jbeich
Last Changed Rev: 398559
Last Changed Date: 2015-10-03 17:42:55 -0700 (Sat, 03 Oct 2015)

root@FreeBSDx64:/usr/src # portmaster --list-origins
net/avahi
devel/boost-all
lang/clang37
ports-mgmt/dialog4ports
lang/gcc5
devel/git-lite
x11/lumina
sysutils/lxterminal
www/midori
net/netatalk3
ports-mgmt/pkg
ports-mgmt/portmaster
devel/powerpc64-xtoolchain-gcc
devel/qtcreator
security/sudo
mail/thunderbird
emulators/virtualbox-ose-additions


Very little is non-default source code. . .

root@FreeBSDx64:/usr/src # svnlite status
M       lib/csu/powerpc64/Makefile
?       sys/arm/conf/RPI2-NODBG
M       sys/boot/powerpc/Makefile.inc
?       sys/powerpc/conf/GENERIC64-NODBG

root@FreeBSDx64:/usr/src # svnlite status /usr/ports
?       /usr/ports/ion

root@FreeBSDx64:/usr/src # more =
/usr/src/sys/powerpc/conf/GENERIC64-NODBG=20
. . . (comments omitted) . . .

include GENERIC64

ident   GENERIC-NODBG

nooptions       INVARIANTS
nooptions       INVARIANT_SUPPORT
nooptions       WITNESS
nooptions       WITNESS_SKIPSPIN
nooptions       DEADLKRES

(The copy->paste sequence for the below diffs likely turned tabs into =
spaces.)

root@FreeBSDx64:/usr/src # svnlite diff sys/boot/powerpc/Makefile.inc=20
Index: sys/boot/powerpc/Makefile.inc
=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
--- sys/boot/powerpc/Makefile.inc	(revision 288459)
+++ sys/boot/powerpc/Makefile.inc	(working copy)
@@ -2,7 +2,7 @@

.if ${MACHINE_ARCH} =3D=3D "powerpc64"
CFLAGS+=3D	-m32 -mcpu=3Dpowerpc
-LDFLAGS+=3D	-m elf32ppc_fbsd
+LDFLAGS+=3D	-Wl,-m -Wl,elf32ppc_fbsd -Wl,-M,--verbose
.endif

.include "../Makefile.inc"


The following is my personal, local workaround for =
/usr/src/lib/csu/powerpc64/Makefile forcing use of the gcc command even =
when the context does not have one.

root@FreeBSDx64:/usr/src # svnlite diff /usr/src
Index: /usr/src/lib/csu/powerpc64/Makefile
=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
--- /usr/src/lib/csu/powerpc64/Makefile (revision 288459)
+++ /usr/src/lib/csu/powerpc64/Makefile (working copy)
@@ -13,8 +13,8 @@
# clang doesn't support -mlongcall, and testing shows a clang linked =
with a
# clang-built csu segfaults, this must currently be compiled with gcc.  =
Once
# clang supports -mlongcall, or we get a fixed ld, this can be =
revisited.
-CC:=3D           gcc
-COMPILER_TYPE:=3D        gcc
+#CC:=3D          gcc
+#COMPILER_TYPE:=3D       gcc

FILES=3D         ${OBJS}
FILESMODE=3D     ${LIBMODE}

=3D=3D=3D
Mark Millard
markmi at dsl-only.net




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