diff --git a/Build/libHttpClient.Linux/CMakeLists.txt b/Build/libHttpClient.Linux/CMakeLists.txt
index fd00de44..d8883cfa 100644
--- a/Build/libHttpClient.Linux/CMakeLists.txt
+++ b/Build/libHttpClient.Linux/CMakeLists.txt
@@ -4,8 +4,6 @@ get_filename_component(PATH_TO_ROOT "../.." ABSOLUTE)
 
 project("libHttpClient.Linux")
 
-set(CMAKE_C_COMPILER clang)
-set(CMAKE_CXX_COMPILER clang++)
 set(CMAKE_STATIC_LIBRARY_PREFIX "")
 set(CMAKE_SHARED_LIBRARY_PREFIX "")
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
diff --git a/Build/libHttpClient.Linux/curl_Linux.bash b/Build/libHttpClient.Linux/curl_Linux.bash
index c59d17c3..c88a9ea2 100644
--- a/Build/libHttpClient.Linux/curl_Linux.bash
+++ b/Build/libHttpClient.Linux/curl_Linux.bash
@@ -22,7 +22,19 @@ while [[ $# -gt 0 ]]; do
 done
 
 pushd "$SCRIPT_DIR"/../../External/curl
-autoreconf -fi "$SCRIPT_DIR"/../../External/curl
+
+if [ ! -f ./configure ]; then
+    if [ -f configure.ac ]; then
+        if command -v autoreconf >/dev/null 2>&1; then
+            autoreconf -fi
+        else
+            echo "autoreconf not found; skipping"
+        fi
+    else
+        echo "Missing cURL sources. Please run 'git submodule update --init --recursive'."
+        exit 1
+    fi
+fi
 
 if [ -f "$SCRIPT_DIR/../../Out/x64/$CONFIGURATION/libcurl.Linux/libcurl.a" ]; then
   echo "Previously-built library present at $SCRIPT_DIR/../../Out/x64/$CONFIGURATION/libcurl.Linux/libcurl.a - skipping build"
diff --git a/Build/libHttpClient.Linux/libHttpClient_Linux.bash b/Build/libHttpClient.Linux/libHttpClient_Linux.bash
index a51c48da..dd329ecc 100644
--- a/Build/libHttpClient.Linux/libHttpClient_Linux.bash
+++ b/Build/libHttpClient.Linux/libHttpClient_Linux.bash
@@ -12,6 +12,7 @@ CONFIGURATION="Release"
 BUILD_CURL=true
 BUILD_SSL=true
 BUILD_STATIC=false
+DO_APTGET=true
 
 while [[ $# -gt 0 ]]; do
   case $1 in
@@ -66,6 +67,12 @@ log "BUILD CURL     = ${BUILD_CURL}"
 log "CMakeLists.txt = ${SCRIPT_DIR}"
 log "CMake output   = ${SCRIPT_DIR}/../../Int/CMake/libHttpClient.Linux"
 
+# Verify that required submodules are present
+if [ ! -f "$SCRIPT_DIR/../../External/curl/configure.ac" ] || [ ! -f "$SCRIPT_DIR/../../External/openssl/Configure" ]; then
+    echo "Required submodules are missing. Please run 'git submodule update --init --recursive'."
+    exit 1
+fi
+
 # make libcrypto and libssl
 if [ "$BUILD_SSL" = true ]; then
     log "Building SSL"
diff --git a/Build/libHttpClient.Linux/openssl_Linux.bash b/Build/libHttpClient.Linux/openssl_Linux.bash
index f398c546..fa8b8888 100644
--- a/Build/libHttpClient.Linux/openssl_Linux.bash
+++ b/Build/libHttpClient.Linux/openssl_Linux.bash
@@ -22,7 +22,10 @@ while [[ $# -gt 0 ]]; do
   esac
 done
 
-sudo hwclock --hctosys
+# Skip hwclock if not available
+if command -v hwclock >/dev/null 2>&1; then
+    sudo hwclock --hctosys
+fi
 sudo rm -rf /usr/local/ssl
 sudo mkdir /usr/local/ssl
 sudo mkdir /usr/local/ssl/lib
@@ -50,6 +53,7 @@ else
 fi
 
 pushd $OPENSSL_SRC
+
 if [ -f Makefile ] && make -n clean >/dev/null 2>&1; then
     make clean
 fi
@@ -64,7 +68,9 @@ else
 fi
 
 make CFLAGS="-fvisibility=hidden" CXXFLAGS="-fvisibility=hidden"
-sudo make install
+if make -n install >/dev/null 2>&1; then
+    sudo make install
+fi
 # copies binaries to final directory
 mkdir -p "$SCRIPT_DIR"/../../Out/x64/"$CONFIGURATION"/libcrypto.Linux
 cp -R "$PWD"/libcrypto.a "$SCRIPT_DIR"/../../Out/x64/"$CONFIGURATION"/libcrypto.Linux
diff --git a/Makefile b/Makefile
new file mode 100644
index 00000000..68de68bb
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,6 @@
+.PHONY: all clean
+all:
+@echo "Use build scripts under Build/ to compile"
+
+clean:
+rm -rf Out Int