getrusage isn't available

src/native/libs/CMakeLists.txt

@@ -54,11 +54,13 @@ if (CLR_CMAKE_TARGET_UNIX OR CLR_CMAKE_TARGET_BROWSER OR CLR_CMAKE_TARGET_WASI)
     endif ()
 
     if (CLR_CMAKE_TARGET_WASI)
+        set(HOST_WASI 1)
         add_compile_options(-I${CLR_REPO_ROOT_DIR}/src/mono/wasi/include/)
         add_compile_options(-I${CLR_REPO_ROOT_DIR}/src/mono/wasi/libs-include/)
         add_compile_options(-Wno-unused-variable)
         add_compile_options(-Wno-unused-parameter)
         add_compile_options(-Wno-gnu-statement-expression)
+        add_compile_options(-DHOST_WASI)
         add_compile_options(-D_WASI_EMULATED_PROCESS_CLOCKS)
         add_compile_options(-D_WASI_EMULATED_SIGNAL)
         add_compile_options(-D_WASI_EMULATED_MMAN)

src/native/libs/Common/pal_config.h.in

@@ -55,7 +55,6 @@
 #cmakedefine01 HAVE_FDS_BITS
 #cmakedefine01 HAVE_PRIVATE_FDS_BITS
 #cmakedefine01 HAVE_STATFS
-#cmakedefine01 HAVE_GETRUSAGE
 #cmakedefine01 HAVE_SYS_SOCKIO_H
 #cmakedefine01 HAVE_ETHTOOL_H
 #cmakedefine01 HAVE_SYS_POLL_H
@@ -148,6 +147,10 @@
 #cmakedefine01 HAVE_MAKEDEV_SYSMACROSH
 #cmakedefine01 HAVE_GETGRGID_R
 
+#ifndef HOST_WASI
+#cmakedefine01 HAVE_GETRUSAGE
+#endif
+
 // Mac OS X has stat64, but it is deprecated since plain stat now
 // provides the same 64-bit aware struct when targeting OS X > 10.5
 // and not passing _DARWIN_NO_64_BIT_INODE.

src/native/libs/System.Native/CMakeLists.txt

@@ -31,7 +31,7 @@ set(NATIVE_SOURCES
 )
 
 if (NOT CLR_CMAKE_TARGET_WASI)
-    list (APPEND NATIVE_SOURCES 
+    list (APPEND NATIVE_SOURCES
         pal_dynamicload.c
         pal_mount.c
         pal_networking.c
@@ -41,7 +41,7 @@ if (NOT CLR_CMAKE_TARGET_WASI)
         pal_uid.c
     )
 else()
-    list (APPEND NATIVE_SOURCES 
+    list (APPEND NATIVE_SOURCES
         pal_dynamicload_wasi.c
         pal_mount_wasi.c
         pal_networking_wasi.c

src/native/libs/configure.cmake

@@ -377,11 +377,6 @@ check_symbol_exists(
     ${STATFS_INCLUDES}
     HAVE_STATFS)
 
-check_symbol_exists(
-    "getrusage"
-    "sys/resource.h"
-    HAVE_GETRUSAGE)
-
 check_symbol_exists(
     "getrlimit"
     "sys/resource.h"