Fixes for Windows/MSYS2

CMakeLists.txt

@@ -139,10 +139,6 @@ IF (WIN32)
   ADD_DEFINITIONS( -DWIN32_LEAN_AND_MEAN )
 
   IF(MSVC)
-    OPTION (ASSIMP_BUILD_ASSIMP_VIEW
-      "If the Assimp view tool is built. (requires DirectX)"
-      OFF )
-
     OPTION( ASSIMP_INSTALL_PDB
       "Install MSVC debug files."
       ON )
@@ -184,6 +180,7 @@ ENDIF()
 IF(NOT BUILD_SHARED_LIBS)
   MESSAGE(STATUS "Shared libraries disabled")
   SET(LINK_SEARCH_START_STATIC TRUE)
+  SET(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_STATIC_LIBRARY_SUFFIX} ${CMAKE_FIND_LIBRARY_SUFFIXES})
 ELSE()
   MESSAGE(STATUS "Shared libraries enabled")
 ENDIF()
@@ -231,16 +228,6 @@ IF(ASSIMP_DOUBLE_PRECISION)
   ADD_DEFINITIONS(-DASSIMP_DOUBLE_PRECISION)
 ENDIF()
 
-CONFIGURE_FILE(
-  ${CMAKE_CURRENT_LIST_DIR}/revision.h.in
-  ${CMAKE_CURRENT_BINARY_DIR}/revision.h
-)
-
-CONFIGURE_FILE(
-  ${CMAKE_CURRENT_LIST_DIR}/include/assimp/config.h.in
-  ${CMAKE_CURRENT_BINARY_DIR}/include/assimp/config.h
-)
-
 INCLUDE_DIRECTORIES( BEFORE
   ./
   code/
@@ -710,7 +697,8 @@ ADD_SUBDIRECTORY( code/ )
 IF ( ASSIMP_BUILD_ASSIMP_TOOLS )
   # The viewer for windows only
   IF (WIN32)
-    OPTION ( ASSIMP_BUILD_ASSIMP_VIEW "If the Assimp view tool is built. (requires DirectX)" OFF )
+    FIND_PACKAGE(DirectX)
+    OPTION ( ASSIMP_BUILD_ASSIMP_VIEW "If the Assimp view tool is built. (requires DirectX)" ${DirectX_FOUND} )
     IF ( ASSIMP_BUILD_ASSIMP_VIEW )
       ADD_SUBDIRECTORY( tools/assimp_view/ )
     ENDIF ()
@@ -735,12 +723,22 @@ IF ( ASSIMP_BUILD_TESTS )
   ADD_SUBDIRECTORY( test/ )
 ENDIF ()
 
-# Generate a pkg-config .pc for the Assimp library.
+# Generate a pkg-config .pc, revision.h, and config.h for the Assimp library.
 CONFIGURE_FILE( "${PROJECT_SOURCE_DIR}/assimp.pc.in" "${PROJECT_BINARY_DIR}/assimp.pc" @ONLY )
 IF ( ASSIMP_INSTALL )
   INSTALL( FILES "${PROJECT_BINARY_DIR}/assimp.pc" DESTINATION ${ASSIMP_LIB_INSTALL_DIR}/pkgconfig/ COMPONENT ${LIBASSIMP-DEV_COMPONENT})
 ENDIF()
 
+CONFIGURE_FILE(
+  ${CMAKE_CURRENT_LIST_DIR}/revision.h.in
+  ${CMAKE_CURRENT_BINARY_DIR}/revision.h
+)
+
+CONFIGURE_FILE(
+  ${CMAKE_CURRENT_LIST_DIR}/include/assimp/config.h.in
+  ${CMAKE_CURRENT_BINARY_DIR}/include/assimp/config.h
+)
+
 IF ( ASSIMP_INSTALL )
   IF(CMAKE_CPACK_COMMAND AND UNIX AND ASSIMP_OPT_BUILD_PACKAGES)
     # Packing information

cmake-modules/FindDirectX.cmake

@@ -55,7 +55,7 @@ if(WIN32) # The only platform it makes sense to check for DirectX SDK
   endif(CMAKE_CL_64)
   find_library(DirectX_LIBRARY NAMES d3d9 HINTS ${DirectX_LIB_SEARCH_PATH} PATH_SUFFIXES ${DirectX_LIBPATH_SUFFIX})
   find_library(DirectX_D3DX9_LIBRARY NAMES d3dx9 HINTS ${DirectX_LIB_SEARCH_PATH} PATH_SUFFIXES ${DirectX_LIBPATH_SUFFIX})
-  find_library(DirectX_DXERR_LIBRARY NAMES DxErr HINTS ${DirectX_LIB_SEARCH_PATH} PATH_SUFFIXES ${DirectX_LIBPATH_SUFFIX})
+  find_library(DirectX_DXERR_LIBRARY NAMES DxErr DxErr9 HINTS ${DirectX_LIB_SEARCH_PATH} PATH_SUFFIXES ${DirectX_LIBPATH_SUFFIX})
   find_library(DirectX_DXGUID_LIBRARY NAMES dxguid HINTS ${DirectX_LIB_SEARCH_PATH} PATH_SUFFIXES ${DirectX_LIBPATH_SUFFIX})
 
 

code/CMakeLists.txt

@@ -1053,7 +1053,9 @@ ENDIF()
 # Check dependencies for glTF importer with Open3DGC-compression.
 # RT-extensions is used in "contrib/Open3DGC/o3dgcTimer.h" for collecting statistics. Pointed file
 # has implementation for different platforms: WIN32, __MACH__ and other ("else" block).
-FIND_PACKAGE(RT QUIET)
+IF (NOT WIN32)
+  FIND_PACKAGE(RT QUIET)
+ENDIF ()
 IF (NOT ASSIMP_HUNTER_ENABLED AND (RT_FOUND OR WIN32))
   SET( ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC 1 )
   ADD_DEFINITIONS( -DASSIMP_IMPORTER_GLTF_USE_OPEN3DGC=1 )
@@ -1274,10 +1276,17 @@ SET_TARGET_PROPERTIES( assimp PROPERTIES
   OUTPUT_NAME assimp${LIBRARY_SUFFIX}
 )
 
-if (WIN32 AND CMAKE_COMPILER_IS_GNUCXX AND BUILD_SHARED_LIBS)
+if (MINGW)
+  if (BUILD_SHARED_LIBS)
     set_target_properties(assimp PROPERTIES
       SUFFIX "-${ASSIMP_SOVERSION}${CMAKE_SHARED_LIBRARY_SUFFIX}"
     )
+    if (NOT DEFINED ${LIBRARY_SUFFIX}) #Added as a guard for subsequent runs, but seems to not work when cache is outdated
+      set(LIBRARY_SUFFIX "-${ASSIMP_SOVERSION}" CACHE STRING "the suffix for the assimp MinGW shared library")
+    endif()
+  else ()
+    TARGET_LINK_LIBRARIES ( assimp -static-libgcc -static-libstdc++ -Wl,-Bstatic -lstdc++ -lwinpthread ) # winpthread is for libminizip.
+  endif ()
 endif()
 
 if (APPLE)

code/Common/DefaultIOStream.cpp

@@ -63,7 +63,7 @@ inline int select_fseek(FILE *file, int64_t offset, int origin) {
 
 
 
-#if defined _WIN32 && (!defined __GNUC__ || __MSVCRT_VERSION__ >= 0x0601)
+#if defined _WIN64 && (!defined __GNUC__ || __MSVCRT_VERSION__ >= 0x0601)
 template <>
 inline size_t select_ftell<8>(FILE *file) {
     return (size_t)::_ftelli64(file);
@@ -149,7 +149,7 @@ size_t DefaultIOStream::FileSize() const {
         //
         // See here for details:
         // https://www.securecoding.cert.org/confluence/display/seccode/FIO19-C.+Do+not+use+fseek()+and+ftell()+to+compute+the+size+of+a+regular+file
-#if defined _WIN32 && (!defined __GNUC__ || __MSVCRT_VERSION__ >= 0x0601)
+#if defined _WIN64 && (!defined __GNUC__ || __MSVCRT_VERSION__ >= 0x0601)
         struct __stat64 fileStat;
         //using fileno + fstat avoids having to handle the filename
         int err = _fstat64(_fileno(mFile), &fileStat);

revision.h.in

@@ -18,11 +18,12 @@
 #else
 #define VER_FILEVERSION_STR         STR(VER_MAJOR) "." STR(VER_MINOR) "." STR(VER_PATCH) "." STR(VER_BUILD) " (Commit @GIT_COMMIT_HASH@)"
 #endif
+#define VER_COPYRIGHT_STR           "\xA9 2006-2022"
 
 #ifdef  NDEBUG
-#define VER_ORIGINAL_FILENAME_STR   "assimp@LIBRARY_SUFFIX@.dll"
+#define VER_ORIGINAL_FILENAME_STR   "@CMAKE_SHARED_LIBRARY_PREFIX@assimp@LIBRARY_SUFFIX@.dll"
 #else
-#define VER_ORIGINAL_FILENAME_STR   "assimp@LIBRARY_SUFFIX@@CMAKE_DEBUG_POSTFIX@.dll"
+#define VER_ORIGINAL_FILENAME_STR   "@CMAKE_SHARED_LIBRARY_PREFIX@assimp@LIBRARY_SUFFIX@@CMAKE_DEBUG_POSTFIX@.dll"
 #endif //  NDEBUG
 
 #endif // ASSIMP_REVISION_H_INC

tools/assimp_view/CMakeLists.txt

@@ -39,8 +39,6 @@
 #----------------------------------------------------------------------
 cmake_minimum_required( VERSION 3.10 )
 
-FIND_PACKAGE(DirectX REQUIRED)
-
 INCLUDE_DIRECTORIES (
   ${Assimp_SOURCE_DIR}/include
   ${Assimp_SOURCE_DIR}/code