Export LLVM_ENABLE_ASSERTIONS in LLVMConfig.cmake so clients know

if the version of LLVM they are trying to use was built with or
without assertions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213532 91177308-0d34-0410-b5e6-96231b3b80d8

cmake/modules/CMakeLists.txt

@@ -17,7 +17,6 @@ endforeach(lib)
 set(LLVM_CONFIG_CODE "
 # LLVM_BUILD_* values available only from LLVM build tree.
 set(LLVM_BUILD_BINARY_DIR \"${LLVM_BINARY_DIR}\")
-set(LLVM_BUILD_ENABLE_ASSERTIONS \"${LLVM_ENABLE_ASSERTIONS}\")
 set(LLVM_BUILD_LIBRARY_DIR \"${LLVM_LIBRARY_DIR}\")
 set(LLVM_BUILD_MAIN_INCLUDE_DIR \"${LLVM_MAIN_INCLUDE_DIR}\")
 set(LLVM_BUILD_MAIN_SRC_DIR \"${LLVM_MAIN_SRC_DIR}\")

cmake/modules/LLVMConfig.cmake.in

@@ -21,6 +21,8 @@ set(LLVM_TARGETS_WITH_JIT @LLVM_TARGETS_WITH_JIT@)
 
 set(TARGET_TRIPLE "@TARGET_TRIPLE@")
 
+set(LLVM_ENABLE_ASSERTIONS @LLVM_ENABLE_ASSERTIONS@)
+
 set(LLVM_ENABLE_TERMINFO @LLVM_ENABLE_TERMINFO@)
 
 set(LLVM_ENABLE_THREADS @LLVM_ENABLE_THREADS@)

cmake/modules/Makefile

@@ -15,6 +15,12 @@ include $(LEVEL)/Makefile.common
 
 PROJ_cmake := $(DESTDIR)$(PROJ_prefix)/share/llvm/cmake
 
+ifeq ($(DISABLE_ASSERTIONS),1)
+	LLVM_ENABLE_ASSERTIONS := 0
+else
+	LLVM_ENABLE_ASSERTIONS := 1
+endif
+
 OBJMODS := LLVMConfig.cmake LLVMConfigVersion.cmake LLVMExports.cmake
 
 $(PROJ_OBJ_DIR)/LLVMConfig.cmake: LLVMConfig.cmake.in $(LLVMBuildCMakeFrag)
@@ -32,6 +38,7 @@ $(PROJ_OBJ_DIR)/LLVMConfig.cmake: LLVMConfig.cmake.in $(LLVMBuildCMakeFrag)
 	  -e 's/@LLVM_TARGETS_TO_BUILD@/'"$(TARGETS_TO_BUILD)"'/' \
 	  -e 's/@LLVM_TARGETS_WITH_JIT@/'"$(TARGETS_WITH_JIT)"'/' \
 	  -e 's/@TARGET_TRIPLE@/'"$(TARGET_TRIPLE)"'/' \
+	  -e 's/@LLVM_ENABLE_ASSERTIONS@/'"$(LLVM_ENABLE_ASSERTIONS)"'/' \
 	  -e 's/@LLVM_ENABLE_TERMINFO@/'"$(ENABLE_TERMINFO)"'/' \
 	  -e 's/@LLVM_ENABLE_THREADS@/'"$(ENABLE_THREADS)"'/' \
 	  -e 's/@LLVM_ENABLE_ZLIB@/'"$(ENABLE_ZLIB)"'/' \