chore: Make sysroot and resource headers relative to the cli binary

Signed-off-by: Roberto Raggi <[email protected]>

src/frontend/CMakeLists.txt

@@ -54,3 +54,17 @@ if (CXX_INSTALL_TOOLS)
         EXPORT cxxTargets
     )
 endif()
+
+add_custom_target(link_cxx_include ALL
+    COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR}/../lib/cxx/include $<TARGET_FILE_DIR:cxx>/../lib/cxx/include
+)
+
+add_custom_command(
+    OUTPUT wasi-sysroot.timestamp
+    COMMAND ${CMAKE_COMMAND} -E copy_directory ${wasi_sysroot_SOURCE_DIR} $<TARGET_FILE_DIR:cxx>/../lib/wasi-sysroot
+    COMMAND ${CMAKE_COMMAND} -E touch wasi-sysroot.timestamp
+)
+
+add_custom_target(link_wasi_sysroot ALL
+    DEPENDS wasi-sysroot.timestamp
+)

src/lib/CMakeLists.txt

@@ -17,9 +17,6 @@
 # IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-add_custom_target(link_wasi_sysroot ALL
-    COMMAND ${CMAKE_COMMAND} -E copy_directory ${wasi_sysroot_SOURCE_DIR} wasi-sysroot)
-
 add_subdirectory(cxx)
 
 if (CXX_INSTALL_WASI_SYSROOT)

src/lib/cxx/CMakeLists.txt

@@ -17,12 +17,9 @@
 # IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-add_custom_target(link_cxx_include ALL
-    COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR}/include include)
-
 file(GLOB_RECURSE HEADER_FILES "${CMAKE_CURRENT_SOURCE_DIR}/include/*")
 
 install(
     FILES ${HEADER_FILES}
     DESTINATION ${CMAKE_INSTALL_LIBDIR}/cxx/include
-)
+)