Merge pull request #1925 from pguyot/w43/pico-getcwd

Add missing define for HAVE_GETCWD for rp2

These changes are made under both the "Apache 2.0" and the "GNU Lesser General
Public License 2.1 or later" license terms (dual license).

SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later

Author: bettio

src/platforms/rp2/CMakeLists.txt

@@ -54,6 +54,8 @@ set(HAVE_MKFIFO "" CACHE INTERNAL "Have symbol mkfifo" FORCE)
 set(HAVE_UNLINK "" CACHE INTERNAL "Have symbol unlink" FORCE)
 # Likewise with EXECVE
 set(HAVE_EXECVE "" CACHE INTERNAL "Have symbol execve" FORCE)
+# getcwd is defined in newlib header but not implemented
+set(HAVE_GETCWD "" CACHE INTERNAL "Have symbol getcwd" FORCE)
 
 # Options that make sense for this platform
 option(AVM_DISABLE_SMP "Disable SMP support." OFF)