llvm-config: With --build-mode, show ${CMAKE_CFG_INTDIR} on multiconfig builder.

llvm-svn: 196283

Author: chapuni

llvm/tools/llvm-config/CMakeLists.txt

@@ -22,6 +22,9 @@ set(LLVM_SYSTEM_LIBS ${SYSTEM_LIBS})
 string(REPLACE ";" " " LLVM_TARGETS_BUILT "${LLVM_TARGETS_TO_BUILD}")
 configure_file(${BUILDVARIABLES_SRCPATH} ${BUILDVARIABLES_OBJPATH} @ONLY)
 
+# Set build-time environment(s).
+add_definitions(-DCMAKE_CFG_INTDIR="${CMAKE_CFG_INTDIR}")
+
 # Add the llvm-config tool.
 add_llvm_tool(llvm-config
   llvm-config.cpp

llvm/tools/llvm-config/llvm-config.cpp

@@ -300,7 +300,12 @@ int main(int argc, char **argv) {
       } else if (Arg == "--host-target") {
         OS << LLVM_DEFAULT_TARGET_TRIPLE << '\n';
       } else if (Arg == "--build-mode") {
-        OS << LLVM_BUILDMODE << '\n';
+        char const *build_mode = LLVM_BUILDMODE;
+#if defined(CMAKE_CFG_INTDIR)
+        if (!(CMAKE_CFG_INTDIR[0] == '.' && CMAKE_CFG_INTDIR[1] == '\0'))
+          build_mode = CMAKE_CFG_INTDIR;
+#endif
+        OS << build_mode << '\n';
       } else if (Arg == "--obj-root") {
         OS << LLVM_OBJ_ROOT << '\n';
       } else if (Arg == "--src-root") {