android-ndk – 使用arm-linux-androideabi-gcc编译对象的问题

背景

OSX是OS
> R8 NDK

我正在使用Android GCC编译器来编译下面的类…

#include <stdint.h>
int main (void){
   return 0;
}

我用以下命令做…

un@un:~/Development/Code/OpenGL$~/Development/Android/android-ndk-r8c/toolchains/arm-linux-androideabi-4.6/prebuilt/darwin-x86/bin/arm-linux-androideabi-gcc hello.c -o hello

我得到…

In file included from hello.c:1:0:
/Users/un/Development/Android/android-ndk-r8c/toolchains/arm-linux-androideabi-4.6/prebuilt/darwin-x86/bin/../lib/gcc/arm-linux-androideabi/4.6/include/stdint.h:3:26: Fatal error: stdint.h: No such file or directory
compilation terminated.

所以由于缺乏gcc知识(但有一些Google的能力),我发现这一点,并尝试…

un@un:~/Development/Code/OpenGL$~/Development/Android/android-ndk-r8c/toolchains/arm-linux-androideabi-4.6/prebuilt/darwin-x86/bin/arm-linux-androideabi-gcc hello.c -o hello -ffreestanding

我得到…

/Users/un/Development/Android/android-ndk-r8c/toolchains/arm-linux-androideabi-4.6/prebuilt/darwin-x86/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld: error: cannot open crtbegin_dynamic.o: No such file or directory
/Users/un/Development/Android/android-ndk-r8c/toolchains/arm-linux-androideabi-4.6/prebuilt/darwin-x86/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld: error: cannot open crtend_android.o: No such file or directory
/Users/un/Development/Android/android-ndk-r8c/toolchains/arm-linux-androideabi-4.6/prebuilt/darwin-x86/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld: error: cannot find -lc
/Users/un/Development/Android/android-ndk-r8c/toolchains/arm-linux-androideabi-4.6/prebuilt/darwin-x86/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld: error: cannot find -ldl
collect2: ld returned 1 exit status

有人可以帮我做我做错了吗？我错过了一个链接吗？ Android.mk不是一个选项.

更新这不工作…

arm-linux-androideabi-gcc hello.c --sysroot=~/Development/Android/android-ndk-r8c/platforms/android-9/arch-arm
/Users/jackiegleason/Development/Android/android-ndk-r8c/toolchains/arm-linux-androideabi-4.6/prebuilt/darwin-x86/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld: error: cannot open crtbegin_dynamic.o: No such file or directory
/Users/jackiegleason/Development/Android/android-ndk-r8c/toolchains/arm-linux-androideabi-4.6/prebuilt/darwin-x86/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld: error: cannot open crtend_android.o: No such file or directory
/Users/jackiegleason/Development/Android/android-ndk-r8c/toolchains/arm-linux-androideabi-4.6/prebuilt/darwin-x86/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld: error: cannot find -lc
/Users/jackiegleason/Development/Android/android-ndk-r8c/toolchains/arm-linux-androideabi-4.6/prebuilt/darwin-x86/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld: error: cannot find -ldl
collect2: ld returned 1 exit status

解决方法

您必须告诉GCC在哪里找到Android系统文件和标题.使用：

> ndk-build和一个带有BUILD_EXECUTABLE的Android.mk
>或–sysroot GCC选项

[1]

LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

LOCAL_MODULE    := foo
LOCAL_SRC_FILES := foo.c

include $(BUILD_EXECUTABLE)

[2]

# Change `android-9` with the level you target
/path/to/android-ndk-r8c/toolchains/arm-linux-androideabi-4.6/prebuilt\
/darwin-x86/bin/arm-linux-androideabi-gcc\
 --sysroot /path/to/android-ndk-r8c/platforms/android-9/arch-arm/\
  foo.c -o foo

# Or generate a ready-to-use standalone toolchain (better)
/path/to/android-ndk-r8c/build/tools/make-standalone-toolchain.sh \
--platform=android-9 \
--install-dir=/tmp/my-android-toolchain

export SYSROOT=/tmp/my-android-toolchain/sysroot

/path/to/arm-linux-androideabi-gcc --sysroot $SYSROOT foo.c -o foo

原文地址：https://www.jb51.cc/idea/312152.html