Do not set C++ STL for pure C libs

Author: MoNTE48

freetype.sh

@@ -27,7 +27,7 @@ else
 		-DHarfBuzz_INCLUDE_DIR=$ANDR_ROOT/output/harfbuzz/include/harfbuzz"
 fi
 
-cmake .. -DANDROID_STL="c++_static" \
+cmake .. \
 	-DANDROID_NATIVE_API_LEVEL="$NATIVE_API_LEVEL" \
 	-DANDROID_ABI="$ANDROID_ABI" \
 	-DANDROID_PLATFORM="$API" \

libjpeg.sh

@@ -15,7 +15,7 @@ fi
 
 cd libjpeg-src/build
 
-cmake .. -DANDROID_STL="c++_static" \
+cmake .. \
 	-DANDROID_NATIVE_API_LEVEL="$NATIVE_API_LEVEL" \
 	-DANDROID_ABI="$ANDROID_ABI" \
 	-DANDROID_PLATFORM="$API" \

libpng.sh

@@ -15,7 +15,7 @@ fi
 mkdir -p libpng-src/build
 cd libpng-src/build
 
-cmake .. -DANDROID_STL="c++_static" \
+cmake .. \
 	-DANDROID_NATIVE_API_LEVEL="$NATIVE_API_LEVEL" \
 	-DANDROID_ABI="$ANDROID_ABI" \
 	-DANDROID_PLATFORM="$API" \

vorbis.sh

@@ -14,8 +14,7 @@ cd vorbis-src
 $ANDROID_NDK/ndk-build -j \
 	APP_ABI="$TARGET_ABI" \
 	APP_PLATFORM=android-"$API" \
-	APP_CFLAGS="$CFLAGS" \
-	APP_STL="c++_static"
+	APP_CFLAGS="$CFLAGS"
 
 # update headers
 rm -rf ../../output/vorbis/include/

zstd.sh

@@ -16,7 +16,7 @@ fi
 mkdir -p zstd-src/build/cmake/builddir
 cd zstd-src/build/cmake/builddir
 
-cmake .. -DANDROID_STL="c++_static" \
+cmake .. \
 	-DANDROID_NATIVE_API_LEVEL="$NATIVE_API_LEVEL" \
 	-DANDROID_ABI="$ANDROID_ABI" \
 	-DANDROID_PLATFORM="$API" \