build: macos: Fix configuration phase error for cpack productbuild

Signed-off-by: Hiroshi Hatake <hatake@calyptia.com>

CMakeLists.txt

@@ -225,6 +225,10 @@ if(CTR_TESTS)
   add_subdirectory(tests)
 endif()
 
+# Output paths
+set(CTRACES_ROOT "${CMAKE_CURRENT_SOURCE_DIR}")
+set(CTRACES_BUILD_DIR "${CTRACES_ROOT}/build")
+
 # Installer Generation (Cpack)
 # ============================
 
@@ -316,28 +320,28 @@ if(CTR_SYSTEM_MACOS)
     OUTPUT_STRIP_TRAILING_WHITESPACE
     )
   if (UNAME_M_RESULT EQUAL 0 AND UNAME_ARCH STREQUAL "arm64")
-    set(CMETRICS_PKG ${CMAKE_CURRENT_BINARY_DIR}/${CPACK_PACKAGE_NAME}-${CTR_VERSION_STR}-apple)
+    set(CMETRICS_PKG ${CTRACES_BUILD_DIR}/${CPACK_PACKAGE_NAME}-${CTR_VERSION_STR}-apple)
   elseif(UNAME_M_RESULT EQUAL 0 AND UNAME_ARCH STREQUAL "x86_64")
-    set(CMETRICS_PKG ${CMAKE_CURRENT_BINARY_DIR}/${CPACK_PACKAGE_NAME}-${CTR_VERSION_STR}-intel)
+    set(CMETRICS_PKG ${CTRACES_BUILD_DIR}/${CPACK_PACKAGE_NAME}-${CTR_VERSION_STR}-intel)
   else()
-    set(CMETRICS_PKG ${CMAKE_CURRENT_BINARY_DIR}/${CPACK_PACKAGE_NAME}-${CTR_VERSION_STR}-${UNAME_ARCH})
+    set(CMETRICS_PKG ${CTRACES_BUILD_DIR}/${CPACK_PACKAGE_NAME}-${CTR_VERSION_STR}-${UNAME_ARCH})
   endif()
 
   if (CPACK_GENERATOR MATCHES "productbuild")
     set(CPACK_SET_DESTDIR "ON")
-    configure_file(cpack/macos/welcome.txt.cmakein ${CMAKE_CURRENT_BINARY_DIR}/welcome.txt)
-    configure_file(LICENSE ${CMAKE_CURRENT_BINARY_DIR}/LICENSE.txt)
+    configure_file(cpack/macos/welcome.txt.cmakein ${CTRACES_BUILD_DIR}/welcome.txt)
+    configure_file(LICENSE ${CTRACES_BUILD_DIR}/LICENSE.txt)
     find_program(CONVERTER textutil)
     if (NOT CONVERTER)
       message(FATAL_ERROR "textutil not found.")
     endif()
     if (CONVERTER)
-      execute_process(COMMAND ${CONVERTER} -convert html "${CMAKE_SOURCE_DIR}/README.md" -output "${CMAKE_BINARY_DIR}/README.html")
+      execute_process(COMMAND ${CONVERTER} -convert html "${CMAKE_SOURCE_DIR}/README.md" -output "${CTRACES_BUILD_DIR}/README.html")
     endif()
     set(CPACK_PACKAGE_FILE_NAME "${CMETRICS_PKG}")
-    set(CPACK_RESOURCE_FILE_WELCOME ${CMAKE_CURRENT_BINARY_DIR}/welcome.txt)
-    set(CPACK_RESOURCE_FILE_LICENSE ${CMAKE_CURRENT_BINARY_DIR}/LICENSE.txt)
-    set(CPACK_RESOURCE_FILE_README ${CMAKE_CURRENT_BINARY_DIR}/README.html)
+    set(CPACK_RESOURCE_FILE_WELCOME ${CTRACES_BUILD_DIR}/welcome.txt)
+    set(CPACK_RESOURCE_FILE_LICENSE ${CTRACES_BUILD_DIR}/LICENSE.txt)
+    set(CPACK_RESOURCE_FILE_README ${CTRACES_BUILD_DIR}/README.html)
     set(CPACK_PRODUCTBUILD_IDENTIFIER "com.calyptia.${CPACK_PACKAGE_NAME}")
   endif()
 endif()