Expilicit passing of -lm to ffmpeg

ffmpeg-android-maker.sh

@@ -112,7 +112,7 @@ do
     cd ${!COMPONENT_SOURCES_DIR_VARIABLE}
 
     # and executing the component-specific build script
-    ${SCRIPTS_DIR}/${COMPONENT}/build.sh
+    source ${SCRIPTS_DIR}/${COMPONENT}/build.sh
 
     # Returning to the root directory. Just in case.
     cd ${BASE_DIR}

scripts/ffmpeg/build.sh

@@ -34,7 +34,6 @@ DEP_LD_FLAGS="-L${BUILD_DIR_EXTERNAL}/${ANDROID_ABI}/lib $FFMPEG_EXTRA_LD_FLAGS"
   --enable-shared \
   --disable-static \
   --pkg-config=$(which pkg-config) \
-  --pkg-config-flags="--static" \
   ${EXTRA_BUILD_CONFIGURATION_FLAGS} \
   $ADDITIONAL_COMPONENTS
 

scripts/libopus/build.sh

@@ -19,6 +19,8 @@
     RANLIB=${FAM_RANLIB} \
     AR=${FAM_AR}
 
+export FFMPEG_EXTRA_LD_FLAGS="${FFMPEG_EXTRA_LD_FLAGS} -lm"
+
 ${MAKE_EXECUTABLE} clean
 ${MAKE_EXECUTABLE} -j${HOST_NPROC}
 ${MAKE_EXECUTABLE} install