fix x264 finite-math and capnproto -fPIC (#22)

capnproto/build.sh

@@ -30,6 +30,8 @@ cmake -S capnproto-src -B "$DIR/build" \
   -DCMAKE_INSTALL_PREFIX="$PREFIX" \
   -DCMAKE_INSTALL_LIBDIR=lib \
   -DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
+  -DCMAKE_C_FLAGS="-fPIC" \
+  -DCMAKE_CXX_FLAGS="-fPIC" \
   -DWITH_OPENSSL=OFF \
   -DBUILD_TESTING=OFF \
   -DBUILD_SHARED_LIBS=OFF

ffmpeg/build.sh

@@ -35,7 +35,7 @@ if [ ! -d "x264-src" ]; then
 fi
 
 cd x264-src
-./configure \
+CFLAGS="-fno-finite-math-only" ./configure \
   --prefix="$PREFIX" \
   --enable-static \
   --disable-shared \