i was using android ndk 13b with visual studio 2017 and i got an update for android ndk 15c which added one error. I am also using new Clang 5.0 (before it was 3.8). This is the error :
/usr/local/google/buildbot/src/android/ndk-r15-release/ndk/sources/android/support/src/stdio/vfprintf.c(242): error : undefined reference to '__signbit'
This is my verbose full response :
1>Android clang version 5.0.300080 (based on LLVM 5.0.300080) 1>Target: i686-none-linux-android 1>Thread model: posix 1>InstalledDir: C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r15c\toolchains\llvm\prebuilt\windows-x86_64\bin 1>Found candidate GCC installation: C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r15c\toolchains\x86-4.9\prebuilt\windows-x86_64/lib/gcc/i686-linux-android\4.9.x 1>Selected GCC installation: C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r15c\toolchains\x86-4.9\prebuilt\windows-x86_64/lib/gcc/i686-linux-android/4.9.x 1>Candidate multilib: .;@m32 1>Selected multilib: .;@m32 1> "C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r15c\toolchains\x86-4.9\prebuilt\windows-x86_64/lib/gcc/i686-linux-android/4.9.x/../../../../i686-linux-android/bin\ld" "--sysroot=C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r15c\platforms\android-23\arch-x86" --eh-frame-hdr -m elf_i386 -shared -o "x86\Release\libPredictEngineMultiLang.so" "C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r15c\platforms\android-23\arch-x86/usr/lib\crtbegin_so.o" "-LC:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r15c\toolchains\llvm\prebuilt\windows-x86_64\lib64\clang\5.0.300080\lib\linux\i386" "-LC:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r15c\toolchains\x86-4.9\prebuilt\windows-x86_64/lib/gcc/i686-linux-android/4.9.x" "-LC:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r15c\toolchains\x86-4.9\prebuilt\windows-x86_64/lib/gcc/i686-linux-android/4.9.x/../../../../i686-linux-android/lib" "-LC:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r15c\platforms\android-23\arch-x86/usr/lib" "-rpath-link=C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r15c\platforms\android-23\arch-x86\usr\lib" "-rpath-link=C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r15c\platforms\android-23\arch-x86\usr\lib" "-LC:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r15c\platforms\android-23\arch-x86\usr\lib" "-LC:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r15c\toolchains\x86-4.9\prebuilt\windows-x86_64\lib\gcc\i686-linux-android\4.9.x" "-LC:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r15c\sources\cxx-stl\llvm-libc++\libs\x86" "-LC:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r15c\toolchains\x86-4.9\prebuilt\windows-x86_64\lib\gcc\i686-linux-android\4.9.x" "-LC:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r15c\sources\cxx-stl\llvm-libc++\libs\x86" --no-undefined -z relro -z now -z noexecstack "x86\Release\CharsetConverter.o" "x86\Release\CppSQLite3.o" "x86\Release\PhonemConverterEN.o" "x86\Release\PhonemConverterFR.o" "x86\Release\PhoneticEngineEN.o" "x86\Release\PhoneticEngineFR.o" "x86\Release\PredictDb.o" "x86\Release\PredictEngineEN.o" "x86\Release\PredictEngineFR.o" "x86\Release\SearchEngineEN.o" "x86\Release\SearchEngineFR.o" "x86\Release\sqlite3.o" "x86\Release\DictionaryEN.o" "x86\Release\DictionaryFR.o" "x86\Release\PhonemEN.o" "x86\Release\PhonemFR.o" "x86\Release\PredictEN.o" "x86\Release\PredictFR.o" "C:\Users\hhenry-garon\Downloads\OpenSSL-for-Android-Prebuilt-master\OpenSSL-for-Android-Prebuilt-master\openssl-1.0.2\x86\lib\libcrypto.a" -landroid_support -lc++_static -lc++abi -landroid_support -lc++_static -lc++abi -llog -landroid -lgcc -ldl -lc -lgcc -ldl "C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r15c\platforms\android-23\arch-x86/usr/lib\crtend_so.o" 1>/usr/local/google/buildbot/src/android/ndk-r15-release/ndk/sources/android/support/src/stdio/vfprintf.c(242): error : undefined reference to '__signbit' 1>clang.exe : error : linker command failed with exit code 1 (use -v to see invocation)
I am compiling in x86 a android library .so with Clang 5.0 on visual studio 2017. I only read that maybe i can add a no-stdio configuration but i have no idea where to do that in visual studio 2017.
Thanks
