diff --git a/.gitignore b/.gitignore
index ab33bd8d1d..142f6bc823 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,7 @@ library/static_libraries/*
 !library/static_libraries/keep_folder
 
 tools/**/*
+!tools/build_all_projects.sh
 !tools/cpplint
 !tools/FlashMagic
 !tools/Hercules.exe
diff --git a/demos/multiplatform/delay/source/main.cpp b/demos/multiplatform/delay/source/main.cpp
index 09df456013..9b73e8cd09 100644
--- a/demos/multiplatform/delay/source/main.cpp
+++ b/demos/multiplatform/delay/source/main.cpp
@@ -17,11 +17,11 @@ int main()
       "more then that. This is due to the fact that we delay for a whole "
       "second, but it takes time to print each statement.");
 
-  uint32_t counter = 0;
+  int counter = 0;
 
   while (true)
   {
-    LOG_INFO("[%lu] Uptime = %" PRId64 "ns", counter++, sjsu::Uptime().count());
+    LOG_INFO("[%d] Uptime = %" PRId64 "ns", counter++, sjsu::Uptime().count());
     sjsu::Delay(1s);
   }
   return 0;
diff --git a/demos/multiplatform/dual_platforms/source/main.cpp b/demos/multiplatform/dual_platforms/source/main.cpp
index 81f32b74a2..1febcacbfe 100644
--- a/demos/multiplatform/dual_platforms/source/main.cpp
+++ b/demos/multiplatform/dual_platforms/source/main.cpp
@@ -11,8 +11,8 @@ int main()
   // Phase #1:
   // Define all of the peripheral you plan to use as pointers. Pointers must be
   // used in order to do the next step
-  const sjsu::Gpio * button_gpio;
-  const sjsu::Gpio * led_gpio;
+  const sjsu::Gpio * button_gpio = &sjsu::GetInactive<sjsu::Gpio>();
+  const sjsu::Gpio * led_gpio = &sjsu::GetInactive<sjsu::Gpio>();
   // Phase #2:
   // Use "constexpr if" to instantiate the peripherals for each platform
   if constexpr (sjsu::build::kPlatform == sjsu::build::Platform::lpc17xx)
diff --git a/demos/multiplatform/task_scheduler/source/main.cpp b/demos/multiplatform/task_scheduler/source/main.cpp
index 64919e9586..19883093b4 100644
--- a/demos/multiplatform/task_scheduler/source/main.cpp
+++ b/demos/multiplatform/task_scheduler/source/main.cpp
@@ -36,7 +36,7 @@ class PrinterTask final : public sjsu::rtos::Task<512>
   {
     run_count_ += 1;
     xSemaphoreTake(print_mutex, portMAX_DELAY);
-    LOG_INFO("%s: %ld", message_, run_count_);
+    LOG_INFO("%s: %d", message_, run_count_);
     xSemaphoreGive(print_mutex);
     if (run_count_ == 10)
     {
@@ -48,7 +48,7 @@ class PrinterTask final : public sjsu::rtos::Task<512>
  private:
   inline static SemaphoreHandle_t print_mutex;
   const char * message_;
-  uint32_t run_count_;
+  int run_count_;
 };
 
 PrinterTask printer_one("Printer A", "I am a printer, I am faster");
diff --git a/library/L0_Platform/linux/linux.mk b/library/L0_Platform/linux/linux.mk
index 72f5b2447b..c44991a348 100644
--- a/library/L0_Platform/linux/linux.mk
+++ b/library/L0_Platform/linux/linux.mk
@@ -16,7 +16,7 @@ DEVICE_GDB       := gdb
 
 COMMON_FLAGS += -m32
 
-LINKFLAGS = $(COMMON_FLAGS) -m32 -pthread -Wl,--gc-sections -Wl,-Map,"$(MAP)"
+LINK_FLAGS = $(COMMON_FLAGS) -m32 -pthread -Wl,--gc-sections -Wl,-Map,"$(MAP)"
 
 include $(LIBRARY_DIR)/L0_Platform/freertos/freertos.mk
 
diff --git a/library/third_party/semihost/trace.cpp b/library/third_party/semihost/trace.cpp
index 06db54d23e..867f72803c 100644
--- a/library/third_party/semihost/trace.cpp
+++ b/library/third_party/semihost/trace.cpp
@@ -18,8 +18,9 @@
 #pragma GCC diagnostic ignored "-Wconversion"
 #pragma GCC diagnostic ignored "-Wfloat-equal"
 #pragma GCC diagnostic ignored "-Wdouble-promotion"
+#if !defined(__clang__)
 #pragma GCC diagnostic ignored "-Wuseless-cast"
-
+#endif
 #ifndef OS_INTEGER_TRACE_PRINTF_TMP_ARRAY_SIZE
 #define OS_INTEGER_TRACE_PRINTF_TMP_ARRAY_SIZE (256)
 #endif
diff --git a/library/third_party/semihost/trace_impl.cpp b/library/third_party/semihost/trace_impl.cpp
index bbe591239a..0932996318 100644
--- a/library/third_party/semihost/trace_impl.cpp
+++ b/library/third_party/semihost/trace_impl.cpp
@@ -13,7 +13,9 @@
 #pragma GCC diagnostic ignored "-Wconversion"
 #pragma GCC diagnostic ignored "-Wfloat-equal"
 #pragma GCC diagnostic ignored "-Wdouble-promotion"
+#if !defined(__clang__)
 #pragma GCC diagnostic ignored "-Wuseless-cast"
+#endif
 
 #include "trace.h"
 #include "L0_Platform/lpc40xx/LPC40xx.h"
diff --git a/makefile b/makefile
index 5539f21bcb..085a137a55 100644
--- a/makefile
+++ b/makefile
@@ -95,10 +95,12 @@ ifneq ($(PREVIOUS_SETUP_VERSION), $(CURRENT_SETUP_VERSION))
   $(info $(shell printf '$(RESET)'))
   $(warning )
 endif
+
 # ==============================================================================
 # Setting the number of threads
 # ==============================================================================
-ifneq ($(MAKECMDGOALS), presubmit)
+DO_NOT_MULTITHREAD = presubmit all-projects execute program
+ifneq ($(MAKECMDGOALS), $(filter $(MAKECMDGOALS), $(DO_NOT_MULTITHREAD)))
   NPROCS := 1
   OS := $(shell uname -s)
 
@@ -182,8 +184,8 @@ DEBUG_FLAG    = -g
 WARNINGS      = -Wall -Wextra -Wshadow -Wfloat-equal -Wundef \
                 -Wno-format-nonliteral -Wconversion -Wdouble-promotion \
                 -Wswitch -Wnull-dereference -Wformat=2
-CPP_WARNINGS   = -Wold-style-cast -Woverloaded-virtual -Wsuggest-override \
-                 -Wuseless-cast
+CPP_WARNINGS  = -Wold-style-cast -Woverloaded-virtual -Wsuggest-override \
+                -Wsuggest-final-types -Wsuggest-final-methods
 DEFINES       = -D ELF_FILE=\"$(EXECUTABLE)\"
 DISABLED_WARNINGS = -Wno-main -Wno-variadic-macros
 # ==============================================================================
@@ -321,9 +323,7 @@ C_FLAGS   := $(CPP_FLAGS)
 else
 C_FLAGS   := $(C_FLAGS_COMMON) -D PLATFORM=$(PLATFORM) \
              -DTRACE -DOS_USE_TRACE_SEMIHOSTING_STDOUT
-CPP_FLAGS := $(C_FLAGS) $(CPP_WARNINGS) $(CPP_OPTIMIZE) $(WARNINGS) \
-             -Wlogical-op -Wduplicated-cond -Wsuggest-final-types \
-             -Wsuggest-final-methods
+CPP_FLAGS := $(C_FLAGS) $(CPP_WARNINGS) $(CPP_OPTIMIZE) $(WARNINGS)
 endif
 # ==============================================================================
 # Final products
@@ -371,10 +371,10 @@ application: $(LIST) $(HEX) $(BINARY) $(SIZE)
 
 execute: flash
 flash:
-	@$(MAKE) --quiet application
+	+@$(MAKE) --quiet application
 	@printf \
 	'$(MAGENTA)Programming chip via In-System Programming (ISP)...$(RESET)\n'
-	@$(MAKE) --quiet platform-flash
+	+@$(MAKE) --quiet platform-flash
 
 
 debug:
@@ -396,14 +396,13 @@ debug-test:
 
 jtag-flash: program
 program:
-	@$(MAKE) --quiet application
+	+@$(MAKE) --quiet application
 	@printf '$(MAGENTA)Programming chip via debug device...$(RESET)\n'
 	@$(OPENOCD_DIR)/bin/$(OPENOCD_EXE) -s $(OPENOCD_DIR)/scripts/ \
 			-c "source [find interface/$(JTAG).cfg]" -f $(OPENOCD_CONFIG) \
 			-c "program \"$(EXECUTABLE)\" reset exit"
 
 
-
 library-test: test $(TEST_EXEC)
 # NOTE: From issue #374, we found that we need to remove the old gcda files
 # otherwise if the test has been recompiled between executions of run-test, the
@@ -468,6 +467,10 @@ spellcheck:
 	@$(TOOLS_DIR)/spell_checker.sh $(LINT_FILES)
 
 
+all-projects:
+	+@$(TOOLS_DIR)/build_all_projects.sh
+
+
 FILES_WITH_TESTS=$(filter-out $(NO_TEST_NEEDED), $(LINT_FILES))
 find-missing-tests:
 	@$(TOOLS_DIR)/find_sources_without_tests.sh $(FILES_WITH_TESTS)
@@ -527,13 +530,13 @@ $(SIZE): $(EXECUTABLE)
 
 
 $(LIST): $(EXECUTABLE)
-	@$(OBJDUMP) --disassemble --all-headers --source --demangle --wide "$<" > "$@"
+	@$(OBJDUMP) --disassemble --all-headers --source --demangle "$<" > "$@"
 	@echo -e '$(YELLOW)Disassembly Generated!$(RESET)  : $@'
 
 
 $(CORE_STATIC_LIBRARY): $(LIBRARIES)
 	@rm -f "$@"
-	@$(DEVICE_AR) -rcT "$@" $^
+	@$(DEVICE_AR) rcT "$@" $^
 	@$(DEVICE_RANLIB) "$@"
 	@echo -e '$(YELLOW)Final Library file ( A ) $(RESET): $@'
 
diff --git a/tools/build_all_projects.sh b/tools/build_all_projects.sh
new file mode 100755
index 0000000000..322cafaa58
--- /dev/null
+++ b/tools/build_all_projects.sh
@@ -0,0 +1,105 @@
+#!/bin/bash
+
+BUILD_CAPTURE=0
+
+# Get base path
+SJBASE=$(dirname "$0")
+SJBASE=$(cd "$SJBASE/.." ; pwd -P)
+
+. $SJBASE/tools/common.sh
+
+####################################
+#    All Projects Build Check      #
+####################################
+print_divider "Checking that all projects build"
+
+# Get all multiplatform projects
+LIST_OF_PROJECT=$(find $SJBASE/demos/multiplatform -name "makefile")
+LIST_OF_PLATFORMS=(lpc40xx lpc17xx stm32f4xx stm32f10x)
+
+for d in $LIST_OF_PROJECT
+do
+  for p in "${LIST_OF_PLATFORMS[@]}"
+  do
+    PROJECT_PATH=$(dirname $d)
+    cd "$PROJECT_PATH"
+    printf "$YELLOW"
+    printf "    Building Multiplatform Demo ($p)\n"
+    printf "        $PROJECT_PATH"
+    printf "$RESET "
+    # Clean the build and start building from scratch
+    SILENCE=$(make clean)
+    # Check if the system can build without any warnings!
+    SILENCE=$(make application WARNINGS_ARE_ERRORS=-Werror PLATFORM=$p)
+    # Add the return codes of the previous build capture. None zero means that
+    # at least one of the captures failed.
+    SPECIFIC_BUILD_CAPTURE=$?
+    BUILD_CAPTURE=$(($BUILD_CAPTURE + $SPECIFIC_BUILD_CAPTURE))
+    print_status $SPECIFIC_BUILD_CAPTURE
+    echo ""
+  done
+done
+
+printf "$YELLOW    Building hello_world Project $RESET"
+# Change to the hello_world project
+cd "$SJBASE/projects/hello_world"
+# Purge repository of all application and framework build files and start
+# building from scratch
+SILENCE=$(make purge)
+# Check if the system can build without any warnings!
+SILENCE=$(make -s application WARNINGS_ARE_ERRORS=-Werror)
+# Set build capture to return code from the build
+BUILD_CAPTURE=$?
+print_status $BUILD_CAPTURE
+echo ""
+
+printf "$YELLOW    Building Starter Project $RESET"
+# Change to the Hyperload project
+cd "$SJBASE/projects/starter"
+# Clean the build and start building from scratch
+SILENCE=$(make clean)
+# Check if the system can build without any warnings!
+SILENCE=$(make -s application WARNINGS_ARE_ERRORS=-Werror)
+# Set build capture to return code from the build
+SPECIFIC_BUILD_CAPTURE=$?
+BUILD_CAPTURE=$(($BUILD_CAPTURE + $SPECIFIC_BUILD_CAPTURE))
+print_status $SPECIFIC_BUILD_CAPTURE
+echo ""
+
+printf "$YELLOW    Building Barebones Project $RESET"
+# Change to the Hyperload project
+cd "$SJBASE/projects/barebones"
+# Clean the build and start building from scratch
+SILENCE=$(make clean)
+# Check if the system can build without any warnings!
+SILENCE=$(make -s application WARNINGS_ARE_ERRORS=-Werror)
+# Set build capture to return code from the build
+SPECIFIC_BUILD_CAPTURE=$?
+BUILD_CAPTURE=$(($BUILD_CAPTURE + $SPECIFIC_BUILD_CAPTURE))
+print_status $SPECIFIC_BUILD_CAPTURE
+echo ""
+
+# Build all example projects
+cd $SJBASE/demos/
+# Get all demos with makefiles but ignore multiplatform projects
+LIST_OF_PROJECT=$(find $SJBASE/demos/ -name "makefile" | \
+                  grep -v "multiplatform")
+
+for d in $LIST_OF_PROJECT
+do
+  PROJECT_PATH=$(dirname $d)
+  cd "$PROJECT_PATH"
+  printf "$YELLOW    Building Demo $PROJECT_PATH $RESET"
+  # Clean the build and start building from scratch
+  SILENCE=$(make clean)
+  # Check if the system can build without any warnings!
+  SILENCE=$(make application WARNINGS_ARE_ERRORS=-Werror)
+  # Add the return codes of the previous build capture. None zero means that at
+  # least one of the captures failed.
+  SPECIFIC_BUILD_CAPTURE=$?
+  BUILD_CAPTURE=$(($BUILD_CAPTURE + $SPECIFIC_BUILD_CAPTURE))
+  print_status $SPECIFIC_BUILD_CAPTURE
+  echo ""
+done
+
+exit $BUILD_CAPTURE
diff --git a/tools/makefile_help_menu.txt b/tools/makefile_help_menu.txt
index fbfa357935..a00417c589 100644
--- a/tools/makefile_help_menu.txt
+++ b/tools/makefile_help_menu.txt
@@ -59,6 +59,9 @@ GENERAL TARGETS ________________________________________________________________
 
 DEVELOPER TARGETS ______________________________________________________________
 
+  all-projects -----------------------------------------------------------------
+    Checks that all projects compile without warnings or errors.
+
   lint -------------------------------------------------------------------------
     Check that source files abide by the SJSU-Dev2 coding standard.
 
@@ -75,7 +78,7 @@ DEVELOPER TARGETS ______________________________________________________________
   presubmit --------------------------------------------------------------------
     Runs the presubmit checks which is used for continuous integration. The
     following checks will be performed:
-      1. Checks that all projects compile without warnings or errors.
+      1. Performs `make all-projects`
       2. Performs `make lint`
       3. Performs `make tidy`
       4. Performs `make library-test`
diff --git a/tools/presubmit.sh b/tools/presubmit.sh
index db3cf4b8f0..04a05b0d95 100755
--- a/tools/presubmit.sh
+++ b/tools/presubmit.sh
@@ -50,73 +50,16 @@ function check
     exit 0
   fi
 }
+
+# Return to home project
+cd $SJBASE/projects/hello_world
+
 ####################################
-#    All Projects Build Check      #
+#        Build All Projects        #
 ####################################
-print_divider "Checking that all projects build"
-
-printf "$YELLOW    Building hello_world Project $RESET"
-# Change to the hello_world project
-cd "$SJBASE/projects/hello_world"
-# Purge repository of all application and framework build files and start
-# building from scratch
-SILENCE=$(make purge)
-# Check if the system can build without any warnings!
-SILENCE=$(make -s application WARNINGS_ARE_ERRORS=-Werror)
-# Set build capture to return code from the build
+make all-projects
 BUILD_CAPTURE=$?
-print_status $BUILD_CAPTURE
-echo ""
-
-printf "$YELLOW    Building Starter Project $RESET"
-# Change to the Hyperload project
-cd "$SJBASE/projects/starter"
-# Clean the build and start building from scratch
-SILENCE=$(make clean)
-# Check if the system can build without any warnings!
-SILENCE=$(make -s application WARNINGS_ARE_ERRORS=-Werror)
-# Set build capture to return code from the build
-SPECIFIC_BUILD_CAPTURE=$?
-BUILD_CAPTURE=$(($BUILD_CAPTURE + $SPECIFIC_BUILD_CAPTURE))
-print_status $SPECIFIC_BUILD_CAPTURE
-echo ""
 
-printf "$YELLOW    Building Barebones Project $RESET"
-# Change to the Hyperload project
-cd "$SJBASE/projects/barebones"
-# Clean the build and start building from scratch
-SILENCE=$(make clean)
-# Check if the system can build without any warnings!
-SILENCE=$(make -s application WARNINGS_ARE_ERRORS=-Werror)
-# Set build capture to return code from the build
-SPECIFIC_BUILD_CAPTURE=$?
-BUILD_CAPTURE=$(($BUILD_CAPTURE + $SPECIFIC_BUILD_CAPTURE))
-print_status $SPECIFIC_BUILD_CAPTURE
-echo ""
-
-# Build all example projects
-cd $SJBASE/demos/
-
-LIST_OF_PROJECT=$(find ./ -name "makefile")
-for d in $LIST_OF_PROJECT
-do
-PROJECT_PATH=$(dirname $d)
-cd "$SJBASE/demos/$PROJECT_PATH"
-printf "$YELLOW    Building Example $d $RESET"
-# Clean the build and start building from scratch
-SILENCE=$(make clean)
-# Check if the system can build without any warnings!
-SILENCE=$(make application WARNINGS_ARE_ERRORS=-Werror)
-# Add the return codes of the previous build capture. None zero means that at
-# least one of the captures failed.
-SPECIFIC_BUILD_CAPTURE=$?
-BUILD_CAPTURE=$(($BUILD_CAPTURE + $SPECIFIC_BUILD_CAPTURE))
-print_status $SPECIFIC_BUILD_CAPTURE
-echo ""
-done
-
-# Return to home project
-cd $SJBASE/projects/hello_world
 ####################################
 #           Lint Check             #
 ####################################