при запуске
arm-none-linux-gnueabi-gcc -print-search-dirs | grep libraries | sed 's/:/\n/g'
Я получаю следующий вывод:
libraries
=/opt/codesourcery/lib/gcc/arm-none-linux-gnueabi/4.4.1/
/opt/codesourcery/lib/gcc/arm-none-linux-gnueabi/4.4.1/../../../../arm-none-linux-gnueabi/lib/arm-none-linux-gnueabi/4.4.1/
/opt/codesourcery/lib/gcc/arm-none-linux-gnueabi/4.4.1/../../../../arm-none-linux-gnueabi/lib/
/opt/codesourcery/arm-none-linux-gnueabi/libc/lib/arm-none-linux-gnueabi/4.4.1/
/opt/codesourcery/arm-none-linux-gnueabi/libc/lib/
/opt/codesourcery/arm-none-linux-gnueabi/libc/usr/lib/arm-none-linux-gnueabi/4.4.1/
/opt/codesourcery/arm-none-linux-gnueabi/libc/usr/lib/
и при кросс-компиляции некоторых пакетов это сделало бы мою жизнь БОЛЕЕ удобной для добавления к этим путям. Я знаю о опции -L, и я хотел бы использовать ее, но многие пакеты не уважают ее при перекрестном компиляции, более того, используя ее с помощью codeourcery вызывает проблемы. (подробности см. в конце этого сообщения). В основном у меня есть полное дерево каталогов со всеми необходимыми файлами для компиляции пакетов, и я хочу добавить это дерево каталогов в пути поиска по умолчанию. Например, чтобы -print-search-dirs также выводили путь, похожий на:
/target/usr/lib
/target/lib
в дополнение к уже указанным путям. Я не ищу конкретный ответ с кодовым ресурсом, так как у меня есть несколько инструментов, с которыми я могу работать.
Для тех, кому интересно, вот ошибка с установкой codeourcery:
arm-none-linux-gnueabi-gcc test.c
работы
arm-none-linux-gnueabi-gcc -L/usr/arm-unknown-linux-gnueabi/usr/lib test.c
не удается:
/lib/libc.so.6: file not recognized: File format not recognized
collect2: ld returned 1 exit status
так что, очевидно, он захватывает libc от хоста. Я видел, как это произошло с несколькими инструментами, но не со всеми.
В ответ на комментарий: Вот результат для
arm-none-linux-gnueabi-gcc -L/usr/arm-unknown-linux-gnueabi/usr/lib test.c -v -Wl,-verbose
Using built-in specs. Target: arm-none-linux-gnueabi Configured with: /scratch/julian/2010q1-release-linux-lite/src/gcc-4.4-2010q1/configure --build=i686-pc-linux-gnu --host=i686-pc-linux-gnu --target=arm-none-linux-gnueabi --enable-threads --disable-libmudflap --disable-libssp --disable-libstdcxx-pch --enable-extra-sgxxlite-multilibs --with-arch=armv5te --with-gnu-as --with-gnu-ld --with-specs='%{funwind-tables|fno-unwind-tables|mabi=*|ffreestanding|nostdlib:;:-funwind-tables} %{O2:%{!fno-remove-local-statics: -fremove-local-statics}} %{O*:%{O|O0|O1|O2|Os:;:%{!fno-remove-local-statics: -fremove-local-statics}}}' --enable-languages=c,c++ --enable-shared --disable-lto --enable-symvers=gnu --enable-__cxa_atexit --with-pkgversion='Sourcery G++ Lite 2010q1-202' --with-bugurl=https://support.codesourcery.com/GNUToolchain/ --disable-nls --prefix=/opt/codesourcery --with-sysroot=/opt/codesourcery/arm-none-linux-gnueabi/libc --with-build-sysroot=/scratch/julian/2010q1-release-linux-lite/install/arm-none-linux-gnueabi/libc --with-gmp=/scratch/julian/2010q1-release-linux-lite/obj/host-libs-2010q1-202-arm-none-linux-gnueabi-i686-pc-linux-gnu/usr --with-mpfr=/scratch/julian/2010q1-release-linux-lite/obj/host-libs-2010q1-202-arm-none-linux-gnueabi-i686-pc-linux-gnu/usr --with-ppl=/scratch/julian/2010q1-release-linux-lite/obj/host-libs-2010q1-202-arm-none-linux-gnueabi-i686-pc-linux-gnu/usr --with-host-libstdcxx='-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm' --with-cloog=/scratch/julian/2010q1-release-linux-lite/obj/host-libs-2010q1-202-arm-none-linux-gnueabi-i686-pc-linux-gnu/usr --disable-libgomp --enable-poison-system-directories --with-build-time-tools=/scratch/julian/2010q1-release-linux-lite/install/arm-none-linux-gnueabi/bin --with-build-time-tools=/scratch/julian/2010q1-release-linux-lite/install/arm-none-linux-gnueabi/bin Thread model: posix gcc version 4.4.1 (Sourcery G++ Lite 2010q1-202) COLLECT_GCC_OPTIONS='-L/usr/arm-unknown-linux-gnueabi/usr/lib' '-v' '-march=armv5te' '-funwind-tables' /opt/codesourcery/libexec/gcc/arm-none-linux-gnueabi/4.4.1/cc1 -quiet -v test.c -quiet -dumpbase test.c -march=armv5te -auxbase test -version -funwind-tables -o /tmp/ccaDSo09.s ignoring nonexistent directory "/opt/codesourcery/arm-none-linux-gnueabi/libc/usr/local/include" #include "..." search starts here: #include search starts here: /opt/codesourcery/lib/gcc/arm-none-linux-gnueabi/4.4.1/include /opt/codesourcery/lib/gcc/arm-none-linux-gnueabi/4.4.1/include-fixed /opt/codesourcery/lib/gcc/arm-none-linux-gnueabi/4.4.1/../../../../arm-none-linux-gnueabi/include /opt/codesourcery/arm-none-linux-gnueabi/libc/usr/include End of search list. GNU C (Sourcery G++ Lite 2010q1-202) version 4.4.1 (arm-none-linux-gnueabi) compiled by GNU C version 4.3.2, GMP version 4.3.1, MPFR version 2.4.2. GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 Compiler executable checksum: 250bf78701f747da89e730786c466148 COLLECT_GCC_OPTIONS='-L/usr/arm-unknown-linux-gnueabi/usr/lib' '-v' '-march=armv5te' '-funwind-tables' /opt/codesourcery/lib/gcc/arm-none-linux-gnueabi/4.4.1/../../../../arm-none-linux-gnueabi/bin/as -v -march=armv5te -meabi=5 -o /tmp/ccQTJKJd.o /tmp/ccaDSo09.s GNU assembler version 2.19.51 (arm-none-linux-gnueabi) using BFD version (Sourcery G++ Lite 2010q1-202) 2.19.51.20090709 COMPILER_PATH=/opt/codesourcery/libexec/gcc/arm-none-linux-gnueabi/4.4.1/:/opt/codesourcery/libexec/gcc/arm-none-linux-gnueabi/4.4.1/:/opt/codesourcery/libexec/gcc/arm-none-linux-gnueabi/:/opt/codesourcery/lib/gcc/arm-none-linux-gnueabi/4.4.1/:/opt/codesourcery/lib/gcc/arm-none-linux-gnueabi/:/opt/codesourcery/lib/gcc/arm-none-linux-gnueabi/4.4.1/../../../../arm-none-linux-gnueabi/bin/ LIBRARY_PATH=/opt/codesourcery/lib/gcc/arm-none-linux-gnueabi/4.4.1/:/opt/codesourcery/lib/gcc/arm-none-linux-gnueabi/4.4.1/../../../../arm-none-linux-gnueabi/lib/:/opt/codesourcery/arm-none-linux-gnueabi/libc/lib/:/opt/codesourcery/arm-none-linux-gnueabi/libc/usr/lib/ COLLECT_GCC_OPTIONS='-L/usr/arm-unknown-linux-gnueabi/usr/lib' '-v' '-march=armv5te' '-funwind-tables' /opt/codesourcery/libexec/gcc/arm-none-linux-gnueabi/4.4.1/collect2 --sysroot=/opt/codesourcery/arm-none-linux-gnueabi/libc --eh-frame-hdr -dynamic-linker /lib/ld-linux.so.3 -X -m armelf_linux_eabi /opt/codesourcery/arm-none-linux-gnueabi/libc/usr/lib/crt1.o /opt/codesourcery/arm-none-linux-gnueabi/libc/usr/lib/crti.o /opt/codesourcery/lib/gcc/arm-none-linux-gnueabi/4.4.1/crtbegin.o -L/usr/arm-unknown-linux-gnueabi/usr/lib -L/opt/codesourcery/lib/gcc/arm-none-linux-gnueabi/4.4.1 -L/opt/codesourcery/lib/gcc/arm-none-linux-gnueabi/4.4.1/../../../../arm-none-linux-gnueabi/lib -L/opt/codesourcery/arm-none-linux-gnueabi/libc/lib -L/opt/codesourcery/arm-none-linux-gnueabi/libc/usr/lib /tmp/ccQTJKJd.o -verbose -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed /opt/codesourcery/lib/gcc/arm-none-linux-gnueabi/4.4.1/crtend.o /opt/codesourcery/arm-none-linux-gnueabi/libc/usr/lib/crtn.o GNU ld (Sourcery G++ Lite 2010q1-202) 2.19.51.20090709 Supported emulations: armelf_linux_eabi armelfb_linux_eabi using internal linker script: ================================================== /* Script for -z combreloc: combine and sort reloc sections */ OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm") OUTPUT_ARCH(arm) ENTRY(_start) SEARCH_DIR("=/usr/local/lib"); 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