visual c++ - c++ Auto Increment Build Version By Time & Date -


i trying create auto increment build version time & date

i couldnt add date & time in #define

version.h file

#define stringize2(s) #s #define stringize(s) stringize2(s)   #define version_major     5 #define version_minor     0 #define version_revision  2 #define version_build     1  #define productver         version_major, version_minor, version_revision, version_build #define strfilever        stringize(version_major)  "." stringize(version_minor) "." stringize(version_revision) "." stringize(version_build)

.rc file

vs_version_info versioninfo  fileversion productver  productversion productver              value "fileversion", strfilever             value "productversion", strfilever

i tried

#define version_major     __date__ #define version_minor      __time__ #define version_revision  2 #define version_build     1

also tried other ways 

time_t now; struct tm *current; = time(0); current = localtime(&now);     #define version_major    current->tm_wday     #define version_minor      current->tm_hour     #define version_revision  2 #define version_build     1

nothing succeed

i wanted add day , hour in define

i hope there solution

thank you

given example below, have build script modify value in version text. 

static const char   version_text[] = "519"; char const * version_get_text(void) {     return version_text; }  unsigned int version_text_length(void) {     return sizeof(version_text) - 1u; }

no need messy #define macros. functions preserve run-time , type safety: none of files accessing these functions need rebuilt when version changes; module.

this technique, combined our automated build server, has lasted year far no issues.

also, no optimizations necessary. accessing version not part of core operations of our product; happens during initialization when debug prompt first displayed or when user sends command asking version. in these cases, execution time not critical.


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