[libc][NFC] Change the libc fullbuild target name to "libc".

libc/CMakeLists.txt

@@ -146,15 +146,17 @@ set(LIBC_COMPONENT)
 set(LIBC_INSTALL_DEPENDS)
 set(LIBC_INSTALL_TARGET)
 if(LLVM_LIBC_FULL_BUILD)
-  set(LIBC_TARGET c)
+  set(LIBC_TARGET libc)
   set(LIBC_COMPONENT libc)
-  set(LIBC_INSTALL_DEPENDS "c;libc-headers")
+  set(LIBC_INSTALL_DEPENDS "libc;libc-headers")
   set(LIBC_INSTALL_TARGET install-libc)
+  set(LIBC_ARCHIVE_NAME c)
 else()
   set(LIBC_TARGET llvmlibc)
   set(LIBC_COMPONENT llvmlibc)
   set(LIBC_INSTALL_DEPENDS llvmlibc)
   set(LIBC_INSTALL_TARGET install-llvmlibc)
+  set(LIBC_ARCHIVE_NAME llvmlibc)
 endif()
 
 add_subdirectory(include)

libc/include/CMakeLists.txt

@@ -221,7 +221,7 @@ add_gen_header(
     ../config/${LIBC_TARGET_OS}/syscall_numbers.h.inc
 )
 
-if(NOT LLVM_LIBC_FULLBUILD)
+if(NOT LLVM_LIBC_FULL_BUILD)
   # We don't install headers in non-fullbuild mode.
   return()
 endif()

libc/lib/CMakeLists.txt

@@ -3,6 +3,11 @@ add_entrypoint_library(
   DEPENDS
   ${TARGET_LLVMLIBC_ENTRYPOINTS}
 )
+set_target_properties(
+  ${LIBC_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})

libc/test/src/CMakeLists.txt

@@ -81,7 +81,7 @@ add_custom_command(
 
   DEPENDS ${LIBC_SOURCE_DIR}/config/${LIBC_TARGET_OS}/api.td ${spec_files}
           libc-prototype-testgen ${TARGET_PUBLIC_HEADERS}
-          c
+          ${LIBC_TARGET}
 )
 
 add_executable(
@@ -96,7 +96,7 @@ set_target_properties(
   PROPERTIES
   INCLUDE_DIRECTORIES ""
 )
-target_link_libraries(libc-api-test c)
+target_link_libraries(libc-api-test ${LIBC_TARGET})
 
 # Only include we need is the include for cpp::IsSame and our generated
 # public headers.