From 8304f6de94872cdcaba63039a61b8860fe367620 Mon Sep 17 00:00:00 2001
From: Siva Chandra Reddy <sivachandra@google.com>
Date: Fri, 6 Jan 2023 08:21:49 +0000
Subject: [PATCH] [libc] Add a separate install target for the libc static
 archives.

Also, skip installing startup objects for baremetal targets for now.

Reviewed By: michaelrj

Differential Revision: https://reviews.llvm.org/D141112
---
 libc/CMakeLists.txt     | 10 ++++++++--
 libc/lib/CMakeLists.txt | 17 +++++++++++++----
 2 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/libc/CMakeLists.txt b/libc/CMakeLists.txt
index 8eb4583..7bf1c02 100644
--- a/libc/CMakeLists.txt
+++ b/libc/CMakeLists.txt
@@ -163,7 +163,13 @@ set(LIBC_INSTALL_TARGET)
 if(LLVM_LIBC_FULL_BUILD)
   set(LIBC_TARGET libc)
   set(LIBC_COMPONENT libc)
-  set(LIBC_INSTALL_DEPENDS "libc;install-libc-headers;libc-startup")
+  set(LIBC_INSTALL_DEPENDS "install-libc-static-archives;install-libc-headers")
+  if(NOT LIBC_TARGET_OS_IS_BAREMETAL)
+    # For now we will disable libc-startup installation for baremetal. The
+    # correct way to do it would be to make a hookable startup for baremetal
+    # and install it as part of the libc installation.
+    list(APPEND LIBC_INSTALL_DEPENDS "libc-startup")
+  endif()
   set(LIBC_INSTALL_TARGET install-libc)
   if(LIBC_TARGET_ARCHITECTURE_IS_GPU)
     set(LIBC_ARCHIVE_NAME cgpu)
@@ -173,7 +179,7 @@ if(LLVM_LIBC_FULL_BUILD)
 else()
   set(LIBC_TARGET llvmlibc)
   set(LIBC_COMPONENT llvmlibc)
-  set(LIBC_INSTALL_DEPENDS llvmlibc)
+  set(LIBC_INSTALL_DEPENDS install-libc-static-archives)
   set(LIBC_INSTALL_TARGET install-llvmlibc)
   set(LIBC_ARCHIVE_NAME llvmlibc)
 endif()
diff --git a/libc/lib/CMakeLists.txt b/libc/lib/CMakeLists.txt
index b7eb0a1..86246b8 100644
--- a/libc/lib/CMakeLists.txt
+++ b/libc/lib/CMakeLists.txt
@@ -9,14 +9,23 @@ set_target_properties(
     ARCHIVE_OUTPUT_NAME ${LIBC_ARCHIVE_NAME}
 )
 
-if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR)
-  set(LIBC_INSTALL_LIBRARY_DIR lib${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE})
+if(LIBC_TARGET_TRIPLE)
+  set(LIBC_INSTALL_LIBRARY_DIR lib${LLVM_LIBDIR_SUFFIX}/${LIBC_TARGET_TRIPLE})
+elseif(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR)
+  set(LIBC_INSTALL_LIBRARY_DIR
+      lib${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE})
 else()
   set(LIBC_INSTALL_LIBRARY_DIR lib${LLVM_LIBDIR_SUFFIX})
 endif()
 
 install(
   TARGETS ${LIBC_TARGET}
-  ARCHIVE DESTINATION "${LIBC_INSTALL_LIBRARY_DIR}"
-  COMPONENT ${LIBC_COMPONENT}
+  ARCHIVE DESTINATION ${LIBC_INSTALL_LIBRARY_DIR}
+  COMPONENT libc-static-archives
+)
+
+add_llvm_install_targets(
+  install-libc-static-archives
+  DEPENDS ${LIBC_TARGET}
+  COMPONENT libc-static-archives
 )
-- 
2.7.4