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GCCクロスコンパイラがすべてのライブラリを見つけることができないのはなぜですか？

2016-07-28 15 views
1

libgccはライブラリ検索パスで検索されますが、crt*.oライブラリでは検索されません（下の2番目のコードブロックを下にスクロールします）。また、なぜそれは/libと/usr/libのsysrootで調べていますが、実際には調べたい唯一のパスはsysrootの/tmptools/libではありません。GCCクロスコンパイラがすべてのライブラリを見つけることができないのはなぜですか？

../binutils-2.26/configure --prefix="$LFS_CROSSTOOLCHAIN" --build=$LFS_BUILD_ARCH --host=$LFS_BUILD_ARCH --target=$LFS_TARGET_ARCH --with-lib-path="/tmptools/lib" --disable-multilib --disable-multiarch --disable-rpath --disable-nls --with-sysroot="$LFS_SYSROOT" 
../gcc-6.1.0/configure --prefix="$LFS_CROSSTOOLCHAIN" --build=$LFS_BUILD_ARCH --host=$LFS_BUILD_ARCH --target=$LFS_TARGET_ARCH --disable-bootstrap --with-newlib --without-headers --with-local-prefix="/tmptools" --with-native-system-header-dir="/tmptools/include" --with-lib-path="/tmptools/lib" --disable-multilib --disable-multiarch --disable-rpath --enable-languages=c,c++ --disable-nls --with-sysroot="$LFS_SYSROOT"

LFS_CROSSTOOLCHAIN=/home/main/lfs/3/crosstoolsとLFS_SYSROOT=/home/main/lfs/3/rootを：これは、クロスコンパイラの構成方法です。 IはクロスコンパイルARMためGCCツールチェーンを構築し

$ 3/crosstools/bin/x86_64-lfs-linux-gnu-gcc -print-sysroot 
/home/main/lfs/3/root 
$ 3/crosstools/bin/x86_64-lfs-linux-gnu-ld -print-sysroot 
/home/main/lfs/3/root 
$ 3/crosstools/bin/x86_64-lfs-linux-gnu-gcc -Wl,--verbose test.c 
GNU ld (GNU Binutils) 2.26.20160125 
    Supported emulations: 
    elf_x86_64 
    elf32_x86_64 
    elf_i386 
    elf_iamcu 
    i386linux 
    elf_l1om 
    elf_k1om 
using internal linker script: 
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/* Copyright (C) 2014-2015 Free Software Foundation, Inc. 
    Copying and distribution of this script, with or without modification, 
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OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", 
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OUTPUT_ARCH(i386:x86-64) 
ENTRY(_start) 
SEARCH_DIR("=/home/main/lfs/3/crosstools/x86_64-lfs-linux-gnu/lib64"); SEARCH_DIR("/tmptools/lib"); SEARCH_DIR("=/home/main/lfs/3/crosstools/x86_64-lfs-linux-gnu/lib"); 
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================================================== 
attempt to open crt1.o failed 
attempt to open crti.o failed 
attempt to open crtbegin.o failed 
attempt to open /tmp/ccLVBgXQ.o succeeded 
/tmp/ccLVBgXQ.o 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/libgcc.so failed 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/libgcc.a failed 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/../../../../x86_64-lfs-linux-gnu/lib/libgcc.so failed 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/../../../../x86_64-lfs-linux-gnu/lib/libgcc.a failed 
attempt to open /home/main/lfs/3/root/lib/libgcc.so failed 
attempt to open /home/main/lfs/3/root/lib/libgcc.a succeeded 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/libgcc_s.so failed 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/libgcc_s.a failed 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/../../../../x86_64-lfs-linux-gnu/lib/libgcc_s.so failed 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/../../../../x86_64-lfs-linux-gnu/lib/libgcc_s.a failed 
attempt to open /home/main/lfs/3/root/lib/libgcc_s.so failed 
attempt to open /home/main/lfs/3/root/lib/libgcc_s.a failed 
attempt to open /home/main/lfs/3/root/usr/lib/libgcc_s.so failed 
attempt to open /home/main/lfs/3/root/usr/lib/libgcc_s.a failed 
attempt to open /home/main/lfs/3/root/home/main/lfs/3/crosstools/x86_64-lfs-linux-gnu/lib64/libgcc_s.so failed 
attempt to open /home/main/lfs/3/root/home/main/lfs/3/crosstools/x86_64-lfs-linux-gnu/lib64/libgcc_s.a failed 
attempt to open /tmptools/lib/libgcc_s.so failed 
attempt to open /tmptools/lib/libgcc_s.a failed 
attempt to open /home/main/lfs/3/root/home/main/lfs/3/crosstools/x86_64-lfs-linux-gnu/lib/libgcc_s.so failed 
attempt to open /home/main/lfs/3/root/home/main/lfs/3/crosstools/x86_64-lfs-linux-gnu/lib/libgcc_s.a failed 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/libc.so failed 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/libc.a failed 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/../../../../x86_64-lfs-linux-gnu/lib/libc.so failed 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/../../../../x86_64-lfs-linux-gnu/lib/libc.a failed 
attempt to open /home/main/lfs/3/root/lib/libc.so failed 
attempt to open /home/main/lfs/3/root/lib/libc.a failed 
attempt to open /home/main/lfs/3/root/usr/lib/libc.so failed 
attempt to open /home/main/lfs/3/root/usr/lib/libc.a failed 
attempt to open /home/main/lfs/3/root/home/main/lfs/3/crosstools/x86_64-lfs-linux-gnu/lib64/libc.so failed 
attempt to open /home/main/lfs/3/root/home/main/lfs/3/crosstools/x86_64-lfs-linux-gnu/lib64/libc.a failed 
attempt to open /tmptools/lib/libc.so failed 
attempt to open /tmptools/lib/libc.a failed 
attempt to open /home/main/lfs/3/root/home/main/lfs/3/crosstools/x86_64-lfs-linux-gnu/lib/libc.so failed 
attempt to open /home/main/lfs/3/root/home/main/lfs/3/crosstools/x86_64-lfs-linux-gnu/lib/libc.a failed 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/libgcc.so failed 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/libgcc.a failed 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/../../../../x86_64-lfs-linux-gnu/lib/libgcc.so failed 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/../../../../x86_64-lfs-linux-gnu/lib/libgcc.a failed 
attempt to open /home/main/lfs/3/root/lib/libgcc.so failed 
attempt to open /home/main/lfs/3/root/lib/libgcc.a succeeded 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/libgcc_s.so failed 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/libgcc_s.a failed 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/../../../../x86_64-lfs-linux-gnu/lib/libgcc_s.so failed 
attempt to open /home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/../../../../x86_64-lfs-linux-gnu/lib/libgcc_s.a failed 
attempt to open /home/main/lfs/3/root/lib/libgcc_s.so failed 
attempt to open /home/main/lfs/3/root/lib/libgcc_s.a failed 
attempt to open /home/main/lfs/3/root/usr/lib/libgcc_s.so failed 
attempt to open /home/main/lfs/3/root/usr/lib/libgcc_s.a failed 
attempt to open /home/main/lfs/3/root/home/main/lfs/3/crosstools/x86_64-lfs-linux-gnu/lib64/libgcc_s.so failed 
attempt to open /home/main/lfs/3/root/home/main/lfs/3/crosstools/x86_64-lfs-linux-gnu/lib64/libgcc_s.a failed 
attempt to open /tmptools/lib/libgcc_s.so failed 
attempt to open /tmptools/lib/libgcc_s.a failed 
attempt to open /home/main/lfs/3/root/home/main/lfs/3/crosstools/x86_64-lfs-linux-gnu/lib/libgcc_s.so failed 
attempt to open /home/main/lfs/3/root/home/main/lfs/3/crosstools/x86_64-lfs-linux-gnu/lib/libgcc_s.a failed 
attempt to open crtend.o failed 
attempt to open crtn.o failed 
/home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/../../../../x86_64-lfs-linux-gnu/bin/ld: cannot find crt1.o: No such file or directory 
/home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/../../../../x86_64-lfs-linux-gnu/bin/ld: cannot find crti.o: No such file or directory 
/home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/../../../../x86_64-lfs-linux-gnu/bin/ld: cannot find crtbegin.o: No such file or directory 
/home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/../../../../x86_64-lfs-linux-gnu/bin/ld: cannot find -lgcc_s 
/home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/../../../../x86_64-lfs-linux-gnu/bin/ld: cannot find -lc 
/home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/../../../../x86_64-lfs-linux-gnu/bin/ld: cannot find -lgcc_s 
/home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/../../../../x86_64-lfs-linux-gnu/bin/ld: cannot find crtend.o: No such file or directory 
/home/main/lfs/3/crosstools/lib/gcc/x86_64-lfs-linux-gnu/6.1.0/../../../../x86_64-lfs-linux-gnu/bin/ld: cannot find crtn.o: No such file or directory 
collect2: error: ld returned 1 exit status

出典

2016-07-28 user48145

+1

おそらく '--with-lib-path'はなんらかの理由でその仕事をしませんでしたか？ 'LD_LIBRARY_PATH'を手動で設定してみてください。 –

+0

コンパイルコマンドを設定している場合、何も変更されませんでした。また、実行時にダイナミックライブラリのパスが変更されただけであるとも考えました。 – user48145

答えて

0

は、私はthis helpful tutorialを使用した：

これは出力例です。エラーは、あなたがこれらのコマンドをスキップした場合に何が起こるかに似た外観を見ている：

クロスコンパイラにglibc向けのヘッダを提供するために使用されるコマンドのシーケンスの一部である 
make -j4 csu/subdir_lib 
install csu/crt1.o csu/crti.o csu/crtn.o /opt/cross/aarch64-linux/lib

。

mkdir -p build-glibc 
cd build-glibc 
../glibc-2.20/configure --prefix=/opt/cross/aarch64-linux --build=$MACHTYPE 
    --host=aarch64-linux --target=aarch64-linux \ 
    --with-headers=/opt/cross/aarch64-linux/include \ 
    --disable-multilib libc_cv_forced_unwind=yes 
make install-bootstrap-headers=yes install-headers 
make -j4 csu/subdir_lib 
install csu/crt1.o csu/crti.o csu/crtn.o /opt/cross/aarch64-linux/lib \ 
    aarch64-linux-gcc -nostdlib -nostartfiles -shared -x c /dev/null -o \ 
    /opt/cross/aarch64-linux/lib/libc.so 
touch /opt/cross/aarch64-linux/include/gnu/stubs.h 
cd ..

GLIBCヘッダーがあなたのSYSROOTディレクトリに既にあるかどうかは不明だが、私はそれらのファイルが存在することを確認するためにチェックすることによって開始します。 GLIBCヘッダーを作成する必要があるかもしれません。

出典

2016-08-01 13:08:07

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