#!/bin/bash
NDK=/usr/local/ndk
SYSROOT=$NDK/platforms/android-19/arch-arm/
TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64

OPENSSL_DIR=/usr/local/src/ffmpeg/openssl-android/
LIBRTMP_DIR=/usr/local/src/ffmpeg/rtmpdump/librtmp/
# Note: Change above variables to match your system
function build_one
{
./configure \
    --prefix=$PREFIX \
    --enable-librtmp \
    --enable-openssl \
    --disable-shared \
    --enable-static \
    --disable-doc \
    --disable-programs \
    --disable-doc \
    --pkg-config-flags="--static" \
    --disable-symver \
    --cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- \
    --target-os=linux \
    --arch=arm \
    --enable-cross-compile \
    --sysroot=$SYSROOT \
    --extra-cflags="-Os -fpic $ADDI_CFLAGS" \
    --extra-ldflags="$ADDI_LDFLAGS" \
    $ADDITIONAL_CONFIGURE_FLAG
make clean
make -j8
make install
}
CPU=arm
PREFIX=$(pwd)/android/$CPU
ADDI_CFLAGS="-marm -I${OPENSSL_DIR}include -I${LIBRTMP_DIR}android/arm/include -L${LIBRTMP_DIR}android/arm/lib -lrtmp -static"
ADDI_LFLAGS="-L${OPENSSL_DIR}libs/armeabi -L${LIBRTMP_DIR}android/arm/lib -lrtmp -ldl -static"
#-L${SYSROOT}usr/lib"
build_one

/usr/local/ndk/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --sysroot=/usr/local/ndk/platforms/android-19/arch-arm/ -isysroot /usr/local/ndk/platforms/android-19/arch-arm/ -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Dstrtod=avpriv_strtod -DPIC -Os -fpic -marm -I/usr/local/src/ffmpeg/openssl-android/include -I/usr/local/src/ffmpeg/rtmpdump/librtmp/android/arm/include -L/usr/local/src/ffmpeg/rtmpdump/librtmp/android/arm/lib -lrtmp -static -march=armv5te -std=c99 -fomit-frame-pointer -fPIC -marm -pthread -c -o /tmp/ffconf.ecnlss7o.o /tmp/ffconf.9UBKxdU3.c
/usr/local/ndk/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --sysroot=/usr/local/ndk/platforms/android-19/arch-arm/ -isysroot /usr/local/ndk/platforms/android-19/arch-arm/ -march=armv5te -Wl,--as-needed -Wl,-z,noexecstack -o /tmp/ffconf.VtB0dLAJ /tmp/ffconf.ecnlss7o.o -lssl -lcrypto -lws2_32 -lgdi32 -L/usr/local/src/ffmpeg/rtmpdump/librtmp/android/arm/lib -lrtmp -lm -lz -pthread
/usr/local/ndk-r12b/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin/ld: error: cannot find -lssl
/usr/local/ndk-r12b/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin/ld: error: cannot find -lcrypto
/usr/local/ndk-r12b/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin/ld: error: cannot find -lws2_32
/usr/local/ndk-r12b/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin/ld: error: cannot find -lgdi32
/tmp/ffconf.ecnlss7o.o:ffconf.9UBKxdU3.c:function main: error: undefined reference to 'SSL_library_init'
collect2: error: ld returned 1 exit status
ERROR: openssl not found