Remove WITH_SYNTAX_CHECK

It's no longer used. The majority of the platform is on clang anyways.

Test: m -j
Change-Id: I4fb4375eaad2469e169d34c47ae3fe2a0540aeec
diff --git a/core/binary.mk b/core/binary.mk
index e11ab89..b440091 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -561,10 +561,6 @@
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_NO_DEFAULT_COMPILER_FLAGS := \
     $(strip $(LOCAL_NO_DEFAULT_COMPILER_FLAGS))
 
-ifeq ($(strip $(WITH_SYNTAX_CHECK)),)
-  LOCAL_NO_SYNTAX_CHECK := true
-endif
-
 ifeq ($(strip $(WITH_STATIC_ANALYZER)),)
   LOCAL_NO_STATIC_ANALYZER := true
 endif
@@ -593,10 +589,6 @@
 ifneq ($(LOCAL_NO_STATIC_ANALYZER),true)
   my_cc := CCC_CC=$(CLANG) CLANG=$(CLANG) \
            $(SYNTAX_TOOLS_PREFIX)/ccc-analyzer
-else
-ifneq ($(LOCAL_NO_SYNTAX_CHECK),true)
-  my_cc := $(my_cc) -fsyntax-only
-endif
 endif
 
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CC := $(my_cc)
@@ -613,10 +605,6 @@
 ifneq ($(LOCAL_NO_STATIC_ANALYZER),true)
   my_cxx := CCC_CXX=$(CLANG_CXX) CLANG_CXX=$(CLANG_CXX) \
             $(SYNTAX_TOOLS_PREFIX)/c++-analyzer
-else
-ifneq ($(LOCAL_NO_SYNTAX_CHECK),true)
-  my_cxx := $(my_cxx) -fsyntax-only
-endif
 endif
 
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LINKER := $(my_linker)
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 4f0c839..dfa497e 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -172,7 +172,6 @@
 LOCAL_POST_INSTALL_CMD:=
 LOCAL_HAL_STATIC_LIBRARIES:=
 LOCAL_RMTYPEDEFS:=
-LOCAL_NO_SYNTAX_CHECK:=
 LOCAL_NO_STATIC_ANALYZER:=
 LOCAL_TIDY:=
 LOCAL_TIDY_CHECKS:=
diff --git a/core/config.mk b/core/config.mk
index 525b639..b084254 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -333,13 +333,10 @@
 2ND_TARGET_GCC_VERSION := 4.9
 endif
 
-# Normalize WITH_STATIC_ANALYZER and WITH_SYNTAX_CHECK
+# Normalize WITH_STATIC_ANALYZER
 ifeq ($(strip $(WITH_STATIC_ANALYZER)),0)
   WITH_STATIC_ANALYZER :=
 endif
-ifeq ($(strip $(WITH_SYNTAX_CHECK)),0)
-  WITH_SYNTAX_CHECK :=
-endif
 
 # define clang/llvm versions and base directory.
 include $(BUILD_SYSTEM)/clang/versions.mk
@@ -358,7 +355,7 @@
   PATH_TO_CLANG_TIDY :=
 endif
 
-# Disable WITH_STATIC_ANALYZER and WITH_SYNTAX_CHECK if tool can't be found
+# Disable WITH_STATIC_ANALYZER if tool can't be found
 SYNTAX_TOOLS_PREFIX := \
     $(LLVM_PREBUILTS_BASE)/$(BUILD_OS)-x86/$(LLVM_PREBUILTS_VERSION)/tools/scan-build/libexec
 ifneq ($(strip $(WITH_STATIC_ANALYZER)),)
@@ -368,14 +365,6 @@
   endif
 endif
 
-# WITH_STATIC_ANALYZER trumps WITH_SYNTAX_CHECK
-ifneq ($(strip $(WITH_STATIC_ANALYZER)),)
-  ifneq ($(strip $(WITH_SYNTAX_CHECK)),)
-    $(warning *** Disable WITH_SYNTAX_CHECK in the presence of static analyzer WITH_STATIC_ANALYZER)
-    WITH_SYNTAX_CHECK :=
-  endif
-endif
-
 # Pick a Java compiler.
 include $(BUILD_SYSTEM)/combo/javac.mk