Estoy tratando de compilar algo para Android, así que estoy usando una herramienta diferente. Hay una biblioteca que el enlazador se queja que no puede encontrar:linker reclama la biblioteca no encontrada, strace muestra que intenta acceder a una ruta válida a través de
arm-eabi-gcc: fatal error: -fuse-linker-plugin, but liblto_plugin.so not found
La biblioteca sin duda existe en este camino:
$ ls -l /mnt/hgfs/Documents/thesis/android-wmon/core/os/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/libexec/gcc/arm-eabi/4.6.x-google
total 70053
-rwxr-xr-x 1 501 dialout 47040814 Oct 3 14:29 cc1
-rwxr-xr-x 1 501 dialout 50903764 Oct 3 14:29 cc1plus
-rwxr-xr-x 1 501 dialout 423914 Oct 3 14:29 collect2
drwxr-xr-x 1 501 dialout 204 Oct 3 14:29 install-tools
-rwxr-xr-x 1 501 dialout 1090 Oct 3 14:29 libfunction_reordering_plugin.la
lrwxr-xr-x 1 501 dialout 38 Oct 3 14:29 libfunction_reordering_plugin.so -> libfunction_reordering_plugin.so.0.0.0
lrwxr-xr-x 1 501 dialout 38 Oct 3 14:29 libfunction_reordering_plugin.so.0 -> libfunction_reordering_plugin.so.0.0.0
-rwxr-xr-x 1 501 dialout 89427 Oct 3 14:29 libfunction_reordering_plugin.so.0.0.0
-rwxr-xr-x 1 501 dialout 994 Oct 3 14:29 liblto_plugin.la
lrwxr-xr-x 1 501 dialout 22 Oct 3 14:29 liblto_plugin.so -> liblto_plugin.so.0.0.0
lrwxr-xr-x 1 501 dialout 22 Oct 3 14:29 liblto_plugin.so.0 -> liblto_plugin.so.0.0.0
-rwxr-xr-x 1 501 dialout 238575 Oct 3 14:29 liblto_plugin.so.0.0.0
-rwxr-xr-x 1 501 dialout 44647203 Oct 3 14:29 lto1
-rwxr-xr-x 1 501 dialout 114284 Oct 3 14:29 lto-wrapper
Por lo tanto, en mi línea de compilación que incluía "-L/mnt/HGF /Documents/thesis/android-wmon/core/os/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/libexec/gcc/arm-eabi/4.6.x-google "y luego especifique" -lliblto_plugin " ... pero sigo recibiendo este error.
Aquí es mi línea entera y error:
arm-eabi-gcc -o test \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/../android-ndk-r8b-linux/platforms/android-14/arch-arm/usr/include \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/../ported-deps/jni/libgcrypt/src \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/../ported-deps/jni/libgpg-error/src \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/system/core/include \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/hardware/libhardware/include \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/hardware/ril/include \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/dalvik/libnativehelper/include \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/frameworks/base/include \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/external/skia/include \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/out/target/product/generic/obj/include \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/bionic/libc/arch-arm/include \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/bionic/libc/include \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/bionic/libstdc++/include \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/bionic/libc/kernel/common \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/bionic/libc/kernel/arch-arm \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/bionic/libm/include \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/bionic/libm/include/arch/arm \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/bionic/libthread_db/include \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/bionic/libm/arm \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/bionic/libm \
-I/mnt/hgfs/Documents/thesis/android-wmon/core/os/out/target/product/generic/obj/SHARED_LIBRARIES/libm_intermediates \
-D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__ -DANDROID -DSK_RELEASE -DNDEBUG \
-include /mnt/hgfs/Documents/thesis/android-wmon/core/os/system/core/include/arch/linux-arm/AndroidConfig.h \
-UDEBUG -march=armv5te -mtune=xscale -msoft-float -mthumb-interwork \
-fpic -fno-exceptions -ffunction-sections -funwind-tables -fstack-protector -fmessage-length=0 \
test.c \
-Bdynamic -Wl,-T,/mnt/hgfs/Documents/thesis/android-wmon/core/os/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/arm-eabi/lib/ldscripts/armelf.x \
-Wl,-dynamic-linker,/system/bin/linker -Wl,--gc-sections -Wl,-z,nocopyreloc \
-Wl,--no-undefined -Wl,-rpath-link=/mnt/hgfs/Documents/thesis/android-wmon/core/os/../android-ndk-r8b-linux/platforms/android-14/arch-arm/usr/lib \
-L/mnt/hgfs/Documents/thesis/android-wmon/core/os/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/libexec/gcc/arm-eabi/4.6.x-google \
-L/mnt/hgfs/Documents/thesis/android-wmon/core/os/../android-ndk-r8b-linux/platforms/android-14/arch-arm/usr/lib \
-nostdlib /mnt/hgfs/Documents/thesis/android-wmon/core/os/../android-ndk-r8b-linux/platforms/android-14/arch-arm/usr/lib/crtend_android.o \
/mnt/hgfs/Documents/thesis/android-wmon/core/os/../android-ndk-r8b-linux/platforms/android-14/arch-arm/usr/lib/crtbegin_dynamic.o \
/mnt/hgfs/Documents/thesis/android-wmon/core/os/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/lib/gcc/arm-eabi/4.6.x-google/libgcc.a \
-lc -lliblto_plugin -lm
arm-eabi-gcc: fatal error: -fuse-linker-plugin, but liblto_plugin.so not found
EDIT: Ejecución de strace junto con la compilación, veo los accesos a leer la biblioteca compartida que falte;
access("/mnt/hgfs/Documents/thesis/android-wmon/core/os/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/bin/../libexec/gcc/arm-eabi/4.6.x-google/liblto_plugin.so", R_OK) = -1 ENOENT (No such file or directory)
access("/mnt/hgfs/Documents/thesis/android-wmon/core/os/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/bin/../libexec/gcc/liblto_plugin.so", R_OK) = -1 ENOENT (No such file or directory)
access("/mnt/hgfs/Documents/thesis/android-wmon/core/os/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/bin/../lib/gcc/arm-eabi/4.6.x-google/../../../../arm-eabi/bin/arm-eabi/4.6.x-google/liblto_plugin.so", R_OK) = -1 ENOENT (No such file or directory)
access("/mnt/hgfs/Documents/thesis/android-wmon/core/os/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/bin/../lib/gcc/arm-eabi/4.6.x-google/../../../../arm-eabi/bin/liblto_plugin.so", R_OK) = -1 ENOENT (No such file or directory)
Pero curiosamente, la primera ruta que intenta realmente existe, pero es un enlace:
$ file /mnt/hgfs/Documents/thesis/android-wmon/core/os/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/bin/../libexec/gcc/arm-eabi/4.6.x-google/liblto_plugin.so
/mnt/hgfs/Documents/thesis/android-wmon/core/os/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/bin/../libexec/gcc/arm-eabi/4.6.x-google/liblto_plugin.so: symbolic link to `liblto_plugin.so.0.0.0'
Ese vínculo también es válido:
$ ls -l /mnt/hgfs/Documents/thesis/android-wmon/core/os/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/bin/../libexec/gcc/arm-eabi/4.6.x-google/
total 70053
-rwxr-xr-x 1 501 dialout 47040814 Oct 3 14:29 cc1
-rwxr-xr-x 1 501 dialout 50903764 Oct 3 14:29 cc1plus
-rwxr-xr-x 1 501 dialout 423914 Oct 3 14:29 collect2
drwxr-xr-x 1 501 dialout 204 Oct 3 14:29 install-tools
-rwxr-xr-x 1 501 dialout 1090 Oct 3 14:29 libfunction_reordering_plugin.la
lrwxr-xr-x 1 501 dialout 38 Oct 3 14:29 libfunction_reordering_plugin.so -> libfunction_reordering_plugin.so.0.0.0
lrwxr-xr-x 1 501 dialout 38 Oct 3 14:29 libfunction_reordering_plugin.so.0 -> libfunction_reordering_plugin.so.0.0.0
-rwxr-xr-x 1 501 dialout 89427 Oct 3 14:29 libfunction_reordering_plugin.so.0.0.0
-rwxr-xr-x 1 501 dialout 994 Oct 3 14:29 liblto_plugin.la
lrwxr-xr-x 1 501 dialout 22 Oct 3 14:29 liblto_plugin.so -> liblto_plugin.so.0.0.0
lrwxr-xr-x 1 501 dialout 22 Oct 3 14:29 liblto_plugin.so.0 -> liblto_plugin.so.0.0.0
-rwxr-xr-x 1 501 dialout 238575 Oct 3 14:29 liblto_plugin.so.0.0.0
-rwxr-xr-x 1 501 dialout 44647203 Oct 3 14:29 lto1
-rwxr-xr-x 1 501 dialout 114284 Oct 3 14:29 lto-wrapper
otra edición: Si voy al directorio que contiene la biblioteca compartida y eliminar el enlace de liblto_plugin.so a liblto_plugin.so.0.0.0 y luego "cp liblto_plugin.so.0.0.0 liblto_plugin.so", luego se vincula correctamente y mi programa se compila. ¿Por qué está roto cuando este archivo es un enlace? (Lo siento, usando "enlace" para referirse a dos cosas diferentes aquí).
Great find. Tuve el mismo problema con Android NDK en una carpeta compartida en el host utilizado desde una máquina virtual. –