cross-compiling for arm with clang
Damjan Marion
damjan.marion at gmail.com
Fri Jun 17 17:15:41 UTC 2011
Hi,
Im trying to fix cross-compiling for arm architecture using clang. I added following patch:
===================================================================
--- Makefile.inc1 (revision 223085)
+++ Makefile.inc1 (working copy)
@@ -226,6 +226,11 @@
GROFF_TMAC_PATH=${WORLDTMP}/legacy/usr/share/tmac
.endif
+.if ${TARGET_ARCH} != ${MACHINE_ARCH} && ${CC:T:Mclang} == "clang"
+CROSSENV+= CC="${CC} -ccc-host-triple ${TARGET_ARCH}-elf-freebsd" \
+ CXX="${CXX} -ccc-host-triple ${TARGET_ARCH}-elf-freebsd"
+.endif
+
# bootstrap-tools stage
BMAKEENV= INSTALL="sh ${.CURDIR}/tools/install.sh" \
PATH=${BPATH}:${PATH} \
Now it compiles up to stage 4.2 where it fails (). For some reason -ccc-host-triple is not passed to compiler, but it is defined in CC.
Is CROSSENV right place to add -ccc-host-triple ?
Any hints?
Thanks,
Damjan
# make CC=clang CXX=clang++ TARGET=arm TARGET_CPUTYPE=cortex-a9 -DNO_CLEAN _libraries
--------------------------------------------------------------
>>> stage 4.2: building libraries
--------------------------------------------------------------
cd /usr/src-svn; MAKEOBJDIRPREFIX=/zfs/data2/src/obj/arm.arm MACHINE_ARCH=arm MACHINE=arm CPUTYPE=cortex-a9 GROFF_BIN_PATH=/zfs/data2/src/obj/arm.arm/usr/src-svn/tmp/legacy/usr/bin GROFF_FONT_PATH=/zfs/data2/src/obj/arm.arm/usr/src-svn/tmp/legacy/usr/share/groff_font GROFF_TMAC_PATH=/zfs/data2/src/obj/arm.arm/usr/src-svn/tmp/legacy/usr/share/tmac CC="clang -ccc-host-triple arm-elf-freebsd" CXX="clang++ -ccc-host-triple arm-elf-freebsd" _SHLIBDIRPREFIX=/zfs/data2/src/obj/arm.arm/usr/src-svn/tmp VERSION="FreeBSD 9.0-CURRENT i386 900036" INSTALL="sh /usr/src-svn/tools/install.sh" PATH=/zfs/data2/src/obj/arm.arm/usr/src-svn/tmp/legacy/usr/sbin:/zfs/data2/src/obj/arm.arm/usr/src-svn/tmp/legacy/usr/bin:/zfs/data2/src/obj/arm.arm/usr/src-svn/tmp/legacy/usr/games:/zfs/data2/src/obj/arm.arm/usr/src-svn/tmp/usr/sbin:/zfs/data2/src/obj/arm.arm/usr/src-svn/tmp/usr/bin:/zfs/data2/src/obj/arm.arm/usr/src-svn/tmp/usr/games:/sbin:/bin:/usr/sbin:/usr/bin make -f Makefile.inc1 DESTDIR=/zfs/data2/src/obj/arm.arm/usr/src-svn/tmp -DNO_FSCHG -DWITHOUT_HTML -DWITHOUT_INFO -DNO_LINT -DWITHOUT_MAN -DWITHOUT_PROFILE libraries
cd /usr/src-svn; make -f Makefile.inc1 _prereq_libs; make -f Makefile.inc1 _startup_libs; make -f Makefile.inc1 _prebuild_libs; make -f Makefile.inc1 _generic_libs;
===> gnu/lib/libssp/libssp_nonshared (obj,depend,all,install)
sh /usr/src-svn/tools/install.sh -C -o root -g wheel -m 444 libssp_nonshared.a /zfs/data2/src/obj/arm.arm/usr/src-svn/tmp/usr/lib
===> gnu/lib/libgcc (obj,depend,all,install)
sh /usr/src-svn/tools/install.sh -C -o root -g wheel -m 444 libgcc_eh.a /zfs/data2/src/obj/arm.arm/usr/src-svn/tmp/usr/lib
===> lib/libcompiler_rt (obj,depend,all,install)
sh /usr/src-svn/tools/install.sh -C -o root -g wheel -m 444 libcompiler_rt.a /zfs/data2/src/obj/arm.arm/usr/src-svn/tmp/usr/lib
/zfs/data2/src/obj/arm.arm/usr/src-svn/tmp/usr/lib/libgcc.a -> libcompiler_rt.a
===> gnu/lib/csu (obj,depend,all,install)
sh /usr/src-svn/tools/install.sh -o root -g wheel -m 444 crtbegin.o /zfs/data2/src/obj/arm.arm/usr/src-svn/tmp/usr/lib/crtbegin.o
sh /usr/src-svn/tools/install.sh -o root -g wheel -m 444 crtend.o /zfs/data2/src/obj/arm.arm/usr/src-svn/tmp/usr/lib/crtend.o
sh /usr/src-svn/tools/install.sh -o root -g wheel -m 444 crtbeginT.o /zfs/data2/src/obj/arm.arm/usr/src-svn/tmp/usr/lib/crtbeginT.o
sh /usr/src-svn/tools/install.sh -o root -g wheel -m 444 crtbegin.So /zfs/data2/src/obj/arm.arm/usr/src-svn/tmp/usr/lib/crtbeginS.o
sh /usr/src-svn/tools/install.sh -o root -g wheel -m 444 crtend.So /zfs/data2/src/obj/arm.arm/usr/src-svn/tmp/usr/lib/crtendS.o
===> lib/csu/arm (obj,depend,all,install)
clang -O -pipe -mcpu=cortex-a9 -I/usr/src-svn/lib/csu/arm/../common -I/usr/src-svn/lib/csu/arm/../../libc/include -std=gnu99 -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-decls -Wold-style-definition -Wno-pointer-sign -c -o crt1.o crt1.s
clang: warning: argument unused during compilation: '-mcpu=cortex-a9'
clang: warning: argument unused during compilation: '-I /usr/src-svn/lib/csu/arm/../common'
clang: warning: argument unused during compilation: '-I /usr/src-svn/lib/csu/arm/../../libc/include'
clang: warning: argument unused during compilation: '-std=gnu99'
clang: warning: argument unused during compilation: '-Wsystem-headers'
clang: warning: argument unused during compilation: '-Wall'
clang: warning: argument unused during compilation: '-Wno-format-y2k'
clang: warning: argument unused during compilation: '-W'
clang: warning: argument unused during compilation: '-Wno-unused-parameter'
clang: warning: argument unused during compilation: '-Wstrict-prototypes'
clang: warning: argument unused during compilation: '-Wmissing-prototypes'
clang: warning: argument unused during compilation: '-Wpointer-arith'
clang: warning: argument unused during compilation: '-Wreturn-type'
clang: warning: argument unused during compilation: '-Wcast-qual'
clang: warning: argument unused during compilation: '-Wwrite-strings'
clang: warning: argument unused during compilation: '-Wswitch'
clang: warning: argument unused during compilation: '-Wshadow'
clang: warning: argument unused during compilation: '-Wunused-parameter'
clang: warning: argument unused during compilation: '-Wcast-align'
clang: warning: argument unused during compilation: '-Wchar-subscripts'
clang: warning: argument unused during compilation: '-Winline'
clang: warning: argument unused during compilation: '-Wnested-externs'
clang: warning: argument unused during compilation: '-Wredundant-decls'
clang: warning: argument unused during compilation: '-Wold-style-definition'
clang: warning: argument unused during compilation: '-Wno-pointer-sign'
crt1.s:11:2: error: unknown use of instruction mnemonic without a size suffix
mov r5, r2 /* cleanup */
^
crt1.s:12:2: error: unknown use of instruction mnemonic without a size suffix
mov r4, r1 /* obj_main */
^
crt1.s:13:2: error: unknown use of instruction mnemonic without a size suffix
mov r3, r0 /* ps_strings */
^
crt1.s:15:13: error: expected ']' in brackets expression
ldr r0, [sp, #0x0000]
^
crt1.s:16:14: error: unknown token in expression
add r1, sp, #0x0004
^
crt1.s:17:2: error: unknown use of instruction mnemonic without a size suffix
add r2, r1, r0, lsl #2
^
crt1.s:18:14: error: unknown token in expression
add r2, r2, #0x0004
^
crt1.s:20:14: error: unknown token in expression
bic sp, sp, #7
^
crt1.s:21:14: error: unknown token in expression
sub sp, sp, #8
^
crt1.s:22:13: error: expected ']' in brackets expression
str r5, [sp, #4]
^
crt1.s:23:13: error: expected ']' in brackets expression
str r4, [sp, #0]
^
crt1.s:25:2: error: invalid instruction mnemonic 'b'
b __start
^
*** Error code 1
Stop in /usr/src-svn/lib/csu/arm.
*** Error code 1
Stop in /usr/src-svn.
*** Error code 1
Stop in /usr/src-svn.
*** Error code 1
Stop in /usr/src-svn.
*** Error code 1
Stop in /usr/src-svn.
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