On 2016-Jun-12, at 5:43 PM, Mark Millard <markmi at dsl-only.net> wrote:
> Just a quick top-posted note: lang/gcc5 (as of /usr/ports -r416711) built > fine, unlike the lang/gcc6 noted before/below. [I happened to try lang/gcc5 > with the bootstrap configuration item disabled.] > > I may try lang/gcc6-devel to see what it does. lang/gcc6-devel (as of /usr/ports -r416711) also built fine on the rpi2. [The test was with the bootstrap configuration item disabled.] Only lang/gcc6 seems to have the reported problems for the rpi2. But I've not tried lang/gcc49 or before. Nor have I tried any devel/*gcc* examples. The rest of the below material just repeats the original evidence of the lang/gcc6 problem. Continue reading only if you care for that detail now. > > === > Mark Millard > markmi at dsl-only.net > > On 2016-Jun-12, at 3:02 PM, Mark Millard <markmi at dsl-only.net> wrote: > >> On an rpi2: >> >>> # uname -apKU >>> FreeBSD rpi2 11.0-ALPHA3 FreeBSD 11.0-ALPHA3 #0 r301815M: Sat Jun 11 >>> 23:43:48 PDT 2016 >>> markmi@FreeBSDx64:/usr/obj/clang/arm.armv6/usr/src/sys/RPI2-NODBG ar >>> m armv6 1100116 1100116 >> >> >> with /usr/ports at -r416711. . . >> >> >> For attempting to build lang/gcc6 with the bootstrap configuration item >> enabled: >> >>> configure:3735: >>> /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/xgcc >>> -B/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/ >>> -B/usr/local/armv6-por >>> tbld-freebsd11.0/bin/ -B/usr/local/armv6-portbld-freebsd11.0/lib/ -isystem >>> /usr/local/armv6-portbld-freebsd11.0/include -isystem >>> /usr/local/armv6-portbld-freebs >>> d11.0/sys-include -O2 -pipe -mcpu=cortex-a7 -DLIBICONV_PLUG -g >>> -fno-strict-aliasing conftest.c >&5 >>> /usr/local/bin/ld: error: a.out uses VFP register arguments, >>> /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/crtbegin.o does not >>> /usr/local/bin/ld: failed to merge target specific data of file >>> /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/crtbegin.o >>> /usr/local/bin/ld: error: a.out uses VFP register arguments, >>> /tmp/ccC38Tl3.o does not >>> /usr/local/bin/ld: failed to merge target specific data of file >>> /tmp/ccC38Tl3.o >>> /usr/local/bin/ld: error: a.out uses VFP register arguments, >>> /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/crtend.o does not >>> /usr/local/bin/ld: failed to merge target specific data of file >>> /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/crtend.o >>> collect2: error: ld returned 1 exit status >>> configure:3739: $? = 1 >>> configure:3776: result: >>> configure: failed program was: >>> | /* confdefs.h */ >>> | #define PACKAGE_NAME "GNU Offloading and Multi Processing Runtime Library" >>> | #define PACKAGE_TARNAME "libgomp" >>> | #define PACKAGE_VERSION "1.0" >>> | #define PACKAGE_STRING "GNU Offloading and Multi Processing Runtime >>> Library 1.0" >>> | #define PACKAGE_BUGREPORT "" >>> | #define PACKAGE_URL "http://www.gnu.org/software/libgomp/"; >>> | #define PACKAGE "libgomp" >>> | #define VERSION "1.0" >>> | /* end confdefs.h. */ >>> | >>> | int >>> | main () >>> | { >>> | >>> | ; >>> | return 0; >>> | } >>> configure:3782: error: in >>> `/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/armv6-portbld-freebsd11.0/libgomp': >>> configure:3786: error: C compiler cannot create executables >> >> >> >> For attempting to build lang/gcc6 with the bootstrap configuraiton item >> disabled similar ld reports are generated: >> >>> /usr/local/bin/ld: error: a.out uses VFP register arguments, >>> /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/crtbegin.o does not >>> /usr/local/bin/ld: failed to merge target specific data of file >>> /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/crtbegin.o >>> /usr/local/bin/ld: error: a.out uses VFP register arguments, >>> /tmp/cco9nucg.o does not >>> /usr/local/bin/ld: failed to merge target specific data of file >>> /tmp/cco9nucg.o >>> /usr/local/bin/ld: error: a.out uses VFP register arguments, >>> /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/crtend.o does not >>> /usr/local/bin/ld: failed to merge target specific data of file >>> /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/crtend.o >>> collect2: error: ld returned 1 exit status >>> configure:3003: $? = 1 >>> configure:3040: result: >>> configure: failed program was: >>> | /* confdefs.h */ >>> | #define PACKAGE_NAME "package-unused" >>> | #define PACKAGE_TARNAME "libbacktrace" >>> | #define PACKAGE_VERSION "version-unused" >>> | #define PACKAGE_STRING "package-unused version-unused" >>> | #define PACKAGE_BUGREPORT "" >>> | #define PACKAGE_URL "" >>> | /* end confdefs.h. */ >>> | >>> | int >>> | main () >>> | { >>> | >>> | ; >>> | return 0; >>> | } >>> configure:3046: error: in >>> `/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/armv6-portbld-freebsd11.0/libbacktrace': >>> configure:3050: error: C compiler cannot create executables >> >> >> Context details. . . >> >> As for the in-use make.conf (not the one used for the system build): >> >>> # more /etc/make.conf >>> DEFAULT_VERSIONS+=perl5=5.22 >>> WRKDIRPREFIX=/usr/obj/portswork >>> WITH_DEBUG= >>> WITH_DEBUG_FILES= >>> MALLOC_PRODUCTION= >>> # >>> #system clang 3.8 (gcc6 rejects -march=armv7a): >>> #CFLAGS+= -march=armv7-a -mcpu=cortex-a7 >>> #CXXFLAGS+= -march=armv7-a -mcpu=cortex-a7 >>> #CPPFLAGS+= -march=armv7-a -mcpu=cortex-a7 >>> # >>> #lang/gcc6's xgcc stage considers the above conflicting so use just: >>> CFLAGS+= -mcpu=cortex-a7 >>> CXXFLAGS+= -mcpu=cortex-a7 >>> CPPFLAGS+= -mcpu=cortex-a7 >> >> >> The armv6 11.0 -r301815 system was cross built from amd64, built using >> src.conf: >> >>> # more ~/src.configs/src.conf.rpi2-clang-bootstrap.amd64-host >>> TO_TYPE=armv6 >>> # >>> KERNCONF=RPI2-NODBG >>> TARGET=arm >>> .if ${.MAKE.LEVEL} == 0 >>> TARGET_ARCH=${TO_TYPE} >>> .export TARGET_ARCH >>> .endif >>> # >>> WITH_CROSS_COMPILER= >>> WITHOUT_SYSTEM_COMPILER= >>> # >>> #CPUTYPE=soft >>> WITH_LIBSOFT= >>> WITH_LIBCPLUSPLUS= >>> WITH_BINUTILS_BOOTSTRAP= >>> WITH_CLANG_BOOTSTRAP= >>> WITH_CLANG= >>> WITH_CLANG_IS_CC= >>> WITH_CLANG_FULL= >>> WITH_CLANG_EXTRAS= >>> WITH_LLDB= >>> # >>> WITH_BOOT= >>> WITHOUT_LIB32= >>> # >>> WITHOUT_ELFTOOLCHAIN_BOOTSTRAP= >>> WITHOUT_GCC_BOOTSTRAP= >>> WITHOUT_GCC= >>> WITHOUT_GCC_IS_CC= >>> WITHOUT_GNUCXX= >>> # >>> NO_WERROR= >>> #WERROR= >>> MALLOC_PRODUCTION= >>> # >>> WITH_DEBUG_FILES= >>> # >>> XCFLAGS+= -march=armv7-a -mcpu=cortex-a7 >>> XCXXFLAGS+= -march=armv7-a -mcpu=cortex-a7 >>> # There is no XCPPFLAGS but XCPP ets XCFLAGS content. >> >> and with the make.conf for the system build being empty: >> >>> # more ~/src.configs/make.conf >>> # >> >> >> === >> Mark Millard >> markmi at dsl-only.net === Mark Millard markmi at dsl-only.net _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-toolchain To unsubscribe, send any mail to "[email protected]"
