fix build of fake grass lib

src/providers/grass/CMakeLists.txt

@@ -10,6 +10,7 @@ INCLUDE_DIRECTORIES(
   ${GDAL_INCLUDE_DIR}
   ${PROJ_INCLUDE_DIR}
   ${GEOS_INCLUDE_DIR}
+  ${CMAKE_CURRENT_BINARY_DIR}
 )
 
 #
@@ -53,9 +54,9 @@ ENDIF (APPLE)
 # Fake GRASS gis library
 #
 
-# Generate functions mapping for funcions used in original version
+# Generate function mapping for functions used in original version
 # Create list of functions to be mapped
-SET ( FUNCTIONS 
+SET ( FUNCTIONS
   "G_add_color_rule"
   "G_adjust_Cell_head"
   "G_align_window"
@@ -120,27 +121,37 @@ FILE(READ "${GRASS_INCLUDE_DIR}/grass/gisdefs.h" HEADER_FILE)
 # Function definitions in gisdefs.h may spread over more lines -> remove comments
 # and split by ';'
 # Remove comments and directives (some macros are lost)
-STRING(REGEX REPLACE "(/\\*([^*]|[\r\n]|(\\*+([^*/]|[\r\n])))*\\*+/)" "" HEADER_FILE "${HEADER_FILE}") 
+STRING(REGEX REPLACE "(/\\*([^*]|[\r\n]|(\\*+([^*/]|[\r\n])))*\\*+/)" "" HEADER_FILE "${HEADER_FILE}")
 STRING(REGEX REPLACE "#[^\r\n]*" "" HEADER_FILE "${HEADER_FILE}")
 
+SET ( PROTOTYPES "// Auto generated by cmake, do not edit\n" )
+LIST ( APPEND PROTOTYPES "#define GRASS_GISDEFS_H\n" )
+LIST ( APPEND PROTOTYPES "extern \"C\"\n" )
+LIST ( APPEND PROTOTYPES "{\n" )
+LIST ( APPEND PROTOTYPES "#include <grass/gis.h>\n" )
+LIST ( APPEND PROTOTYPES "}\n" )
+LIST ( APPEND PROTOTYPES "int GRASS_LIB_EXPORT G_set_error_routine(int (*)(const char *, int))\;\n" )
+
 SET ( FUNCTIONS_MAP "// Auto generated by cmake, do not edit\n" )
+LIST ( APPEND FUNCTIONS_MAP "#include \"qgsgrassgislibfunctions.h\"\n" )
 LIST ( APPEND FUNCTIONS_MAP "#include \"qgsgrassgislib.h\"\n" )
 LIST ( APPEND FUNCTIONS_MAP "#include \"qgslogger.h\"\n" )
 LIST ( APPEND FUNCTIONS_MAP "#include \"qgis.h\"\n" )
+
 FOREACH( ROW ${HEADER_FILE} )
   STRING(REGEX REPLACE "\n" " " ROW "${ROW}")
   STRING(REGEX REPLACE "__attribute__.*" "" ROW "${ROW}")
-  #MESSAGE (STATUS, "ROW: ${ROW}") 
+  #MESSAGE (STATUS, "ROW: ${ROW}")
   # Parse function declaration
   STRING( REGEX REPLACE ".*(G_[^\\(]*)\\(.*" "\\1" FUNCTION_NAME "${ROW}" )
-  FOREACH( FN ${FUNCTIONS} )
-    IF ( "${FN}" STREQUAL "${FUNCTION_NAME}" ) 
+  FOREACH( FN ${FUNCTIONS})
+    IF ( "${FN}" STREQUAL "${FUNCTION_NAME}" )
       LIST ( APPEND FUNCTIONS_MAP "// ${ROW}\n" )
       # \\*? and \\** patterns do not work, why?
-      STRING( REGEX REPLACE "(.*)G_.*" "\\1" FUNCTION_TYPE "${ROW}" )
+      STRING( REGEX REPLACE "^[ \t]*(.*)G_.*" "\\1" FUNCTION_TYPE "${ROW}" )
       STRING( REGEX REPLACE "\\*" "" FUNCTION_TYPE "${FUNCTION_TYPE}" )
       STRING( REGEX REPLACE ".*(\\*+) *G_.*" "\\1" POINTER "${ROW}" )
-      IF ( NOT "${POINTER}" STREQUAL "*" ) 
+      IF ( NOT "${POINTER}" STREQUAL "*" )
         SET ( POINTER "" )
       ENDIF ( NOT "${POINTER}" STREQUAL "*" )
       STRING( REGEX REPLACE ".*G_[^\\(]*\\((.*)\\).*" "\\1" PARAM_TYPES "${ROW}" )
@@ -162,16 +173,18 @@ FOREACH( ROW ${HEADER_FILE} )
       # Declare function type
       LIST ( APPEND FUNCTIONS_MAP "typedef ${FUNCTION_TYPE} ${POINTER} ${FUNCTION_NAME}_type(${PARAM_TYPES})\;\n\n" )
       LIST ( APPEND FUNCTIONS_MAP "${FUNCTION_TYPE} GRASS_LIB_EXPORT ${POINTER} ${FUNCTION_NAME} ( ${PARAMS} ) {\n" )
+      LIST ( APPEND PROTOTYPES "${FUNCTION_TYPE} GRASS_LIB_EXPORT ${POINTER} ${FUNCTION_NAME} ( ${PARAM_TYPES} )\;\n" )
       #LIST ( APPEND FUNCTIONS_MAP "  QgsDebugMsg( \"Entered\" )\;\n" )
-    
+
       LIST ( APPEND FUNCTIONS_MAP "  ${FUNCTION_NAME}_type* fn = (${FUNCTION_NAME}_type*) cast_to_fptr (QgsGrassGisLib::instance()->resolve( \"${FUNCTION_NAME}\" ))\;\n" )
       LIST ( APPEND FUNCTIONS_MAP "  return fn( ${PARAM_NAMES} )\;\n")
       LIST ( APPEND FUNCTIONS_MAP "}\n\n" )
-    ENDIF ( "${FN}" STREQUAL "${FUNCTION_NAME}" ) 
+    ENDIF ( "${FN}" STREQUAL "${FUNCTION_NAME}" )
   ENDFOREACH ( FN )
 ENDFOREACH( ROW )
 
 FILE(WRITE "${CMAKE_CURRENT_BINARY_DIR}/qgsgrassgislibfunctions.cpp" ${FUNCTIONS_MAP})
+FILE(WRITE "${CMAKE_CURRENT_BINARY_DIR}/qgsgrassgislibfunctions.h" ${PROTOTYPES})
 
 
 # Build fake library
@@ -258,7 +271,7 @@ INSTALL(TARGETS qgisgrass
 INSTALL(TARGETS ${FAKE_LIB_GRASS_GIS}
   RUNTIME DESTINATION ${QGIS_PLUGIN_DIR}
   LIBRARY DESTINATION ${QGIS_PLUGIN_DIR})
-       
+
 INSTALL(TARGETS grassprovider
   RUNTIME DESTINATION ${QGIS_PLUGIN_DIR}
   LIBRARY DESTINATION ${QGIS_PLUGIN_DIR})
@@ -268,6 +281,7 @@ INSTALL(TARGETS grassrasterprovider
   LIBRARY DESTINATION ${QGIS_PLUGIN_DIR})
 
 INSTALL(TARGETS qgis.d.rast qgis.g.info
-        RUNTIME DESTINATION ${QGIS_LIBEXEC_DIR}/grass/modules 
-        PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
+  RUNTIME DESTINATION ${QGIS_LIBEXEC_DIR}/grass/modules
+  PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
 )
+

src/providers/grass/qgsgrassgislib.cpp

@@ -17,6 +17,7 @@
 #include <stdio.h>
 #include <stdarg.h>
 
+#include "qgsgrassgislibfunctions.h"
 #include "qgsgrassgislib.h"
 
 #include "qgslogger.h"
@@ -292,7 +293,7 @@ int GRASS_LIB_EXPORT G_done_msg( const char *msg, ... )
   return 0;
 }
 
-char * GRASS_LIB_EXPORT QgsGrassGisLib::G_find_cell2( const char * name, const char * mapset )
+char GRASS_LIB_EXPORT *QgsGrassGisLib::G_find_cell2( const char * name, const char * mapset )
 {
   Q_UNUSED( name );
   Q_UNUSED( mapset );
@@ -309,12 +310,12 @@ char * GRASS_LIB_EXPORT QgsGrassGisLib::G_find_cell2( const char * name, const c
   return qstrdup( ms.toAscii() );  // memory lost
 }
 
-char * GRASS_LIB_EXPORT G_find_cell2( const char* name, const char *mapset )
+char GRASS_LIB_EXPORT *G_find_cell2( const char* name, const char *mapset )
 {
   return QgsGrassGisLib::instance()->G_find_cell2( name, mapset );
 }
 
-char * GRASS_LIB_EXPORT G_find_cell( char * name, const char * mapset )
+char GRASS_LIB_EXPORT *G_find_cell( char * name, const char * mapset )
 {
   // Not really sure about differences between G_find_cell and G_find_cell2
   return G_find_cell2( name, mapset );
@@ -966,20 +967,20 @@ RASTER_MAP_TYPE QgsGrassGisLib::grassRasterType( QgsRasterBlock::DataType qgisTy
   return -1; // not reached
 }
 
-char * GRASS_LIB_EXPORT G_tempfile( void )
+char GRASS_LIB_EXPORT *G_tempfile( void )
 {
   QTemporaryFile file( "qgis-grass-temp.XXXXXX" );
   QString name = file.fileName();
   file.open();
   return name.toAscii().data();
 }
 
-char * GRASS_LIB_EXPORT G_mapset( void )
+char GRASS_LIB_EXPORT *G_mapset( void )
 {
   return qstrdup( "qgis" );
 }
 
-char * GRASS_LIB_EXPORT G_location( void )
+char GRASS_LIB_EXPORT *G_location( void )
 {
   return qstrdup( "qgis" );
 }

src/providers/grass/qgsgrassgislib.h

@@ -70,7 +70,7 @@ class GRASS_LIB_EXPORT QgsGrassGisLib
 
     };
 
-    static GRASS_LIB_EXPORT QgsGrassGisLib* instance();
+    static QgsGrassGisLib* instance();
 
     QgsGrassGisLib();
 
@@ -107,7 +107,7 @@ class GRASS_LIB_EXPORT QgsGrassGisLib
     void * resolve( const char * symbol );
 
     // Print error function set to be called by GRASS lib
-    static GRASS_LIB_EXPORT int errorRoutine( const char *msg, int fatal );
+    static int errorRoutine( const char *msg, int fatal );
 
     // Error called by fake lib
     void fatal( QString msg );