CMake: use of ${PROJECT_NAME} must be after call to project() (Acad…

…emySoftwareFoundation#3651)

CMakeLists.txt

@@ -3,21 +3,21 @@
 # https://github.com/OpenImageIO/oiio
 
 cmake_minimum_required (VERSION 3.12)
-set (OpenImageIO_VERSION "2.4.6.0" CACHE STRING "Version")
-set (PROJECT_VERSION_RELEASE_TYPE "" CACHE STRING
-    "Build type, for example: dev, beta2, RC1 (empty string for normal release)")
-option (${PROJECT_NAME}_SUPPORTED_RELEASE
-        "Set ON for supported release branch, OFF for master" ON)
 
+set (OpenImageIO_VERSION "2.4.6.0" CACHE STRING "Version")
 project (OpenImageIO VERSION ${OpenImageIO_VERSION}
          HOMEPAGE_URL "https://openimageio.org"
          LANGUAGES CXX C)
 
 set (PROJ_NAME OIIO)    # short name, caps
 string (TOLOWER ${PROJ_NAME} PROJ_NAME_LOWER)  # short name lower case
 string (TOUPPER ${PROJ_NAME} PROJ_NAME_UPPER)  # short name upper case
+set (PROJECT_VERSION_RELEASE_TYPE "" CACHE STRING
+    "Build type, for example: dev, beta2, RC1 (empty string for normal release)")
 set (${PROJECT_NAME}_VERSION_RELEASE_TYPE ${PROJECT_VERSION_RELEASE_TYPE})
 set (PROJECT_AUTHORS "Contributors to the OpenImageIO project")
+option (${PROJECT_NAME}_SUPPORTED_RELEASE
+        "Set ON for supported release branch, OFF for master" ON)
 if (${PROJECT_NAME}_SUPPORTED_RELEASE)
     set (${PROJECT_NAME}_DEV_RELEASE OFF)
 else ()
@@ -66,6 +66,7 @@ message (STATUS "Project build dir      = ${CMAKE_BINARY_DIR}")
 message (STATUS "Project install prefix = ${CMAKE_INSTALL_PREFIX}")
 message (STATUS "Configuration types    = ${CMAKE_CONFIGURATION_TYPES}")
 message (STATUS "Build type             = ${CMAKE_BUILD_TYPE}")
+message (STATUS "Supported release      = ${${PROJECT_NAME}_SUPPORTED_RELEASE}")
 
 # Make the build area layout look a bit more like the final dist layout
 set (CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)