build: use multiple `install` rather than building up a list

Rather than building up a list to iterate over later, just create multiple
install commands based on the configuration. This makes it easier to see what
is getting installed and allows for the install handling to be centralised. NFC

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@365562 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c13f890..31cd243 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -323,9 +323,6 @@
   endif()
 
   list(APPEND LIBCXX_BUILD_TARGETS "cxx_shared")
-  if (LIBCXX_INSTALL_SHARED_LIBRARY)
-    list(APPEND LIBCXX_INSTALL_TARGETS "cxx_shared")
-  endif()
   if(WIN32 AND NOT MINGW AND NOT "${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "Windows")
     # Since we most likely do not have a mt.exe replacement, disable the
     # manifest bundling.  This allows a normal cmake invocation to pass which
@@ -362,9 +359,6 @@
   endif()
 
   list(APPEND LIBCXX_BUILD_TARGETS "cxx_static")
-  if (LIBCXX_INSTALL_STATIC_LIBRARY)
-    list(APPEND LIBCXX_INSTALL_TARGETS "cxx_static")
-  endif()
   # Attempt to merge the libc++.a archive and the ABI library archive into one.
   if (LIBCXX_STATICALLY_LINK_ABI_IN_STATIC_LIBRARY)
     set(MERGE_ARCHIVES_SEARCH_PATHS "")
@@ -439,13 +433,27 @@
 endif()
 
 if (LIBCXX_INSTALL_LIBRARY)
-  if (LIBCXX_INSTALL_EXPERIMENTAL_LIBRARY)
-    set(experimental_lib cxx_experimental)
+  if (LIBCXX_INSTALL_SHARED_LIBRARY)
+    install(TARGETS cxx_shared
+      ARCHIVE DESTINATION ${LIBCXX_INSTALL_PREFIX}${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
+      LIBRARY DESTINATION ${LIBCXX_INSTALL_PREFIX}${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
+      RUNTIME DESTINATION ${LIBCXX_INSTALL_PREFIX}bin COMPONENT cxx)
   endif()
-  install(TARGETS ${LIBCXX_INSTALL_TARGETS} ${experimental_lib}
-    LIBRARY DESTINATION ${LIBCXX_INSTALL_PREFIX}${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
-    ARCHIVE DESTINATION ${LIBCXX_INSTALL_PREFIX}${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
-    )
+
+  if (LIBCXX_INSTALL_STATIC_LIBRARY)
+    install(TARGETS cxx_static
+      ARCHIVE DESTINATION ${LIBCXX_INSTALL_PREFIX}${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
+      LIBRARY DESTINATION ${LIBCXX_INSTALL_PREFIX}${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
+      RUNTIME DESTINATION ${LIBCXX_INSTALL_PREFIX}bin COMPONENT cxx)
+  endif()
+
+  if(LIBCXX_INSTALL_EXPERIMENTAL_LIBRARY)
+    install(TARGETS ${LIBCXX_INSTALL_TARGETS} ${experimental_lib}
+      LIBRARY DESTINATION ${LIBCXX_INSTALL_PREFIX}${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
+      ARCHIVE DESTINATION ${LIBCXX_INSTALL_PREFIX}${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
+      RUNTIME DESTINATION ${LIBCXX_INSTALL_PREFIX}bin COMPONENT cxx)
+  endif()
+
   # NOTE: This install command must go after the cxx install command otherwise
   # it will not be executed after the library symlinks are installed.
   if (LIBCXX_ENABLE_SHARED AND LIBCXX_ENABLE_ABI_LINKER_SCRIPT)