crossdev生成mips glibc时march无法设置?

没本 · 发表于 2009-10-16 06:51:12

使用crossdev -t mips-unknown-linux-gnu生成交叉编译环境。

其中mips glibc是目标系统的二进制文件,希望用march=mips32r2来优化指令。

但是无论改make.conf还是 CFLAGS="-O2 -pipe -march=mips32r2" emerge cross-mips-unknown-linux-gnu/glibc命令行生成，
这个glibc的ebuild始终把我的CFLAGS中的march给去掉了，到头来出来的总是mips1的binaray。这是啥原因，怎么弄？

head -n 160 /var/log/portage/cross-mips-unknown-linux-gnu-glibc.log

>>> Verifying ebuild manifests
>>> Emerging (1 of 1) cross-mips-unknown-linux-gnu/glibc-2.9_p20081201-r3 from unknown repo
* glibc-2.9-patches-6.tar.bz2 RMD160 SHA1 SHA256 size ;-) ... [ ok ]
* glibc-2.9-20081201.tar.bz2 RMD160 SHA1 SHA256 size ;-) ... [ ok ]
* glibc-2.9-ports-20081201.tar.bz2 RMD160 SHA1 SHA256 size ;-) ... [ ok ]
* checking ebuild checksums ;-) ... [ ok ]
* checking auxfile checksums ;-) ... [ ok ]
* checking miscfile checksums ;-) ... [ ok ]
>>> Unpacking source...
* Checking gcc for __thread support ...
[ ok ]
* Checking linux-headers version (2.6.27 >= 2.6.9) ...
[ ok ]
>>> Unpacking glibc-2.9-20081201.tar.bz2 to /var/tmp/cross/mips-unknown-linux-gnu/portage/cross-mips-unknown-linux-gnu/glibc-2.9_p20081201-r3/work
>>> Unpacking glibc-2.9-ports-20081201.tar.bz2 to /var/tmp/cross/mips-unknown-linux-gnu/portage/cross-mips-unknown-linux-gnu/glibc-2.9_p20081201-r3/work/glibc-2.9-200
>>> Unpacking glibc-2.9-patches-6.tar.bz2 to /var/tmp/cross/mips-unknown-linux-gnu/portage/cross-mips-unknown-linux-gnu/glibc-2.9_p20081201-r3/work
* Applying Gentoo Glibc Patchset 2.9-6 ...
* 0008_all_glibc-2.9-linker-scripts.patch ...
[ ok ]
* 0010_all_glibc-2.7-ssp-compat.patch ...
[ ok ]
* 0030_all_glibc-respect-env-CPPFLAGS.patch ...
[ ok ]
* 0040_all_glibc-i586-chk.patch ...
[ ok ]
* 0045_all_glibc-2.10-gcc-4.4-nptl.patch ...
[ ok ]
* 0050_all_glibc-_nss_dns_gethostbyaddr2_r-check-and-adjust-the-buffer-alignment.patch ...
[ ok ]
* 0051_all_glibc-2.9-add_prio-macros.patch ...
[ ok ]
* 0052_all_glibc-2.9-regex-BZ9697.patch ...
[ ok ]
* 0053_all_glibc-2.9-regex-BZ697.patch ...
[ ok ]
* 0054_all_glibc-2.9-BZ9706.patch ...
[ ok ]
* 0070_all_glibc-i386-x86_64-revert-clone-cfi.patch ...
[ ok ]
* 0080_all_glibc-2.10-dns-no-gethostbyname4.patch ...
[ ok ]
* 0085_all_glibc-disable-ldconfig.patch ...
[ ok ]
* 0090_all_glibc-math-tests.patch ...
[ ok ]
* 1010_all_glibc-queue-header-updates.patch ...
[ ok ]
* 1018_all_glibc-awk-in-C-locale.patch ...
[ ok ]
* 1020_all_glibc-2.9-strlen-hack.patch ...
[ ok ]
* 1030_all_glibc-manual-no-perl.patch ...
[ ok ]
* 1040_all_2.3.3-localedef-fix-trampoline.patch ...
[ ok ]
* 1050_all_glibc-i386-LOAD_PIC_REG.patch ...
[ ok ]
* 1055_all_glibc-resolv-dynamic.patch ...
[ ok ]
* 1070_all_glibc-fadvise64_64.patch ...
[ ok ]
* 1073_all_glibc-ldbl-nexttowardf.patch ...
[ ok ]
* 1075_all_glibc-section-comments.patch ...
[ ok ]
* 1080_all_glibc-no-inline-gmon.patch ...
[ ok ]
* 1085_all_glibc-2.9-check_native-headers.patch ...
[ ok ]
* 1090_all_glibc-2.3.6-fix-pr631.patch ...
[ ok ]
* 1095_all_glibc-2.9-assume-pipe2.patch ...
[ ok ]
* 1100_all_glibc-2.3.3-china.patch ...
[ ok ]
* 1103_all_glibc-new-valencian-locale.patch ...
[ ok ]
* 1130_all_glibc-2.4-undefine-__i686.patch ...
[ ok ]
* 1160_all_glibc-2.8-nscd-one-fork.patch ...
[ ok ]
* 1504_all_glibc-2.7-hppa-pie.patch ...
[ ok ]
* 1530_all_glibc-m68k-sys-user.patch ...
[ ok ]
* 3000_all_2.3.6-dl_execstack-PaX-support.patch ...
[ ok ]
* 3010_all_2.3.3_pre20040117-pt_pax.patch ...
[ ok ]
* 3020_all_glibc-tests-sandbox-libdl-paths.patch ...
[ ok ]
* 5021_all_2.9-fnmatch.patch ...
[ ok ]
* 5063_all_glibc-dont-build-timezone.patch ...
[ ok ]
* 5070_all_glibc-2.7-cross-compile-nptl.patch ...
[ ok ]
* 6001_all_alpha-glibc-2.4-xstat.patch ...
[ ok ]
* 6015_all_alpha-glibc-2.5-no-page-header.patch ...
[ ok ]
* 6016_all_alpha-glibc-2.5-no-asm-elf-header.patch ...
[ ok ]
* 6017_all_alpha-glibc-2.8-creat.patch ...
[ ok ]
* 6018_all_alpha-glibc-2.8-cache-shape.patch ...
[ ok ]
* 6018_all_glibc-ptr-mangling.patch ...
[ ok ]
* 6019_all_alpha-floor_ceil_fix.patch ...
[ ok ]
* 6120_all_ppc-glibc-2.9-atomic.patch ...
[ ok ]
* 6220_all_glibc-2.4-arm-cirrus-ep93xx-maverick-crunch-fpu.patch ...
[ ok ]
* 6221_all_arm-glibc-2.9-hidden-fpu-setjmp.patch ...
[ ok ]
* 6222_all_arm-glibc-2.9-pie.patch ...
[ ok ]
* 6240_all_glibc-2.8-nptl-lowlevellock.patch ...
[ ok ]
* 6400_all_sh-glibc-2.3.2-fpscr_values.patch ...
[ ok ]
* 6417_all_sh-glibc-2.9-less-asm-headers.patch ...
[ ok ]
* 6418_all_sh-glibc-2.9-set-fpscr-proto.patch ...
[ ok ]
* 6600_mips_librt-mips.patch ...
[ ok ]
* 6605_all_glibc-2.4-fpu-cw-mips.patch ...
[ ok ]
* 6610_all_glibc-r10k-workarounds.patch ...
[ ok ]
* 6630_all_glibc-mips-n32-ldconfig.patch ...
[ ok ]
* 6645_all_glibc-mips_shn_undef-hack.patch ...
[ ok ]
* Done with patching
* Using GNU config files from /usr/share/gnuconfig
* Updating scripts/config.sub
[ ok ]
* Updating scripts/config.guess
[ ok ]
>>> Source unpacked in /var/tmp/cross/mips-unknown-linux-gnu/portage/cross-mips-unknown
>>> Compiling source in /var/tmp/cross/mips-unknown-linux-gnu/portage/cross-mips-unknow
* ABI: default
* CBUILD: x86_64-pc-linux-gnu
* CHOST: x86_64-pc-linux-gnu
* CTARGET: mips-unknown-linux-gnu
* CBUILD_OPT:
* CTARGET_OPT:
* CC:
* CFLAGS: -pipe -O2 -fno-strict-aliasing
* Configuring GLIBC for nptl with:
* --disable-stackguard-randomization
* --enable-old-ssp-compat

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