/home/rpatel/Android/android-ndk-r20/toolchains/llvm/prebuilt/linux-x86_64/bin/clang++ -D__ANDROID_API__=21 -target x86_64-none-linux-android -gcc-toolchain /home/rpatel/Android/android-ndk-r20/toolchains/x86_64-4.9/prebuilt/linux-x86_64 -fno-limit-debug-info -Wl,--exclude-libs,libgcc.a -Wl,--exclude-libs,libatomic.a -v --sysroot=/home/rpatel/Android/android-ndk-r20/platforms/android-21/arch-x86_64/ -L/home/rpatel/Android/android-ndk-r20/platforms/android-21/arch-x86_64//usr/lib64 -Wl,-soname,libFirstGUI.so -Wl,-rpath=/opt/Qt5.13.0/5.13.0/android_x86_64/lib -Wl,--no-undefined -Wl,-z,noexecstack -shared -o libFirstGUI.so main.o mainwindow.o moc_mainwindow.o /opt/Qt5.13.0/5.13.0/android_x86_64/lib/libQt5Widgets.so -L/opt/android/android-ndk-r19c/sources/cxx-stl/llvm-libc++/libs/x86_64 /opt/Qt5.13.0/5.13.0/android_x86_64/lib/libQt5Gui.so /opt/Qt5.13.0/5.13.0/android_x86_64/lib/libQt5Core.so -lGLESv2 -L/home/rpatel/Android/android-ndk-r20/sources/cxx-stl/llvm-libc++/libs/x86_64 /home/rpatel/Android/android-ndk-r20/sources/cxx-stl/llvm-libc++/libs/x86_64/libc++.so.21 -llog -lz -lm -ldl -lc Android (5220042 based on r346389c) clang version 8.0.7 (https://android.googlesource.com/toolchain/clang b55f2d4ebfd35bf643d27dbca1bb228957008617) (https://android.googlesource.com/toolchain/llvm 3c393fe7a7e13b0fba4ac75a01aa683d7a5b11cd) (based on LLVM 8.0.7svn) Target: x86_64-none-linux-android Thread model: posix InstalledDir: /home/rpatel/Android/android-ndk-r20/toolchains/llvm/prebuilt/linux-x86_64/bin Found candidate GCC installation: /home/rpatel/Android/android-ndk-r20/toolchains/x86_64-4.9/prebuilt/linux-x86_64/lib/gcc/x86_64-linux-android/4.9.x Selected GCC installation: /home/rpatel/Android/android-ndk-r20/toolchains/x86_64-4.9/prebuilt/linux-x86_64/lib/gcc/x86_64-linux-android/4.9.x Candidate multilib: .;@m64 Selected multilib: .;@m64 "/home/rpatel/Android/android-ndk-r20/toolchains/x86_64-4.9/prebuilt/linux-x86_64/lib/gcc/x86_64-linux-android/4.9.x/../../../../x86_64-linux-android/bin/ld" --sysroot=/home/rpatel/Android/android-ndk-r20/platforms/android-21/arch-x86_64/ -z now -z relro --hash-style=gnu --hash-style=both --no-add-needed --enable-new-dtags --eh-frame-hdr -m elf_x86_64 -shared -o libFirstGUI.so /home/rpatel/Android/android-ndk-r20/platforms/android-21/arch-x86_64//usr/lib/../lib64/crtbegin_so.o -L/home/rpatel/Android/android-ndk-r20/platforms/android-21/arch-x86_64//usr/lib64 -L/opt/android/android-ndk-r19c/sources/cxx-stl/llvm-libc++/libs/x86_64 -L/home/rpatel/Android/android-ndk-r20/sources/cxx-stl/llvm-libc++/libs/x86_64 -L/home/rpatel/Android/android-ndk-r20/toolchains/llvm/prebuilt/linux-x86_64/lib64/clang/8.0.7/lib/linux/x86_64 -L/home/rpatel/Android/android-ndk-r20/toolchains/x86_64-4.9/prebuilt/linux-x86_64/lib/gcc/x86_64-linux-android/4.9.x -L/home/rpatel/Android/android-ndk-r20/toolchains/x86_64-4.9/prebuilt/linux-x86_64/lib/gcc/x86_64-linux-android/4.9.x/../../../../x86_64-linux-android/lib/../lib64 -L/home/rpatel/Android/android-ndk-r20/platforms/android-21/arch-x86_64//usr/lib/../lib64 -L/home/rpatel/Android/android-ndk-r20/toolchains/x86_64-4.9/prebuilt/linux-x86_64/lib/gcc/x86_64-linux-android/4.9.x/../../../../x86_64-linux-android/lib -L/home/rpatel/Android/android-ndk-r20/platforms/android-21/arch-x86_64//usr/lib --exclude-libs libgcc.a --exclude-libs libatomic.a -soname libFirstGUI.so -rpath=/opt/Qt5.13.0/5.13.0/android_x86_64/lib --no-undefined -z noexecstack main.o mainwindow.o moc_mainwindow.o /opt/Qt5.13.0/5.13.0/android_x86_64/lib/libQt5Widgets.so /opt/Qt5.13.0/5.13.0/android_x86_64/lib/libQt5Gui.so /opt/Qt5.13.0/5.13.0/android_x86_64/lib/libQt5Core.so -lGLESv2 /home/rpatel/Android/android-ndk-r20/sources/cxx-stl/llvm-libc++/libs/x86_64/libc++.so.21 -llog -lz -lm -ldl -lc -lc++ -lm -lgcc -ldl -lc -lgcc -ldl /home/rpatel/Android/android-ndk-r20/platforms/android-21/arch-x86_64//usr/lib/../lib64/crtend_so.o /home/rpatel/Android/android-ndk-r20/toolchains/x86_64-4.9/prebuilt/linux-x86_64/lib/gcc/x86_64-linux-android/4.9.x/../../../../x86_64-linux-android/bin/ld: error: cannot find -lc++ clang++: error: linker command failed with exit code 1 (use -v to see invocation) make: *** [libFirstGUI.so] Error 1