Basic setup for profiling

This fixes the examples so they will build and adds a PROFILE
option to the CMakeFile that enabled gprof info on non-Windows

CMakeLists.txt

@@ -53,6 +53,7 @@ OPTION (BUILD_SHARED_LIBS "Build Shared Library (OFF for Static)" ON)
 OPTION (THREADSAFE "Build libgit2 as threadsafe" OFF)
 OPTION (BUILD_CLAR "Build Tests using the Clar suite" ON)
 OPTION (TAGS "Generate tags" OFF)
+OPTION (PROFILE "Generate profiling information" OFF)
 
 # Platform specific compilation flags
 IF (MSVC)
@@ -74,6 +75,10 @@ ELSE ()
 	IF (NOT MINGW) # MinGW always does PIC and complains if we tell it to
 		SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
 	ENDIF ()
+	IF (PROFILE)
+		SET(CMAKE_C_FLAGS "-pg ${CMAKE_C_FLAGS}")
+		SET(CMAKE_EXE_LINKER_FLAGS "-pg ${CMAKE_EXE_LINKER_FLAGS}")
+	ENDIF ()
 ENDIF()
 
 # Build Debug by default

examples/diff.c

@@ -61,7 +61,13 @@ char *colors[] = {
 	"\033[36m" /* cyan */
 };
 
-int printer(void *data, char usage, const char *line)
+int printer(
+	void *data,
+	git_diff_delta *delta,
+	git_diff_range *range,
+	char usage,
+	const char *line,
+	size_t line_len)
 {
 	int *last_color = data, color = 0;
 

examples/general.c

@@ -273,7 +273,7 @@ int main (int argc, char** argv)
 
   // Once you have the entry object, you can access the content or subtree (or commit, in the case
   // of submodules) that it points to.  You can also get the mode if you want.
-  git_tree_entry_2object(&objt, repo, entry); // blob
+  git_tree_entry_to_object(&objt, repo, entry); // blob
 
   // Remember to close the looked-up object once you are done using it
   git_object_free(objt);