| #include <assert.h> |
| #include <gif_lib.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| // GIFLIB before version 5 didn't know this macro |
| #ifndef GIFLIB_MAJOR |
| # define GIFLIB_MAJOR 4 |
| #endif |
| |
| int main() |
| { |
| // because of the API changes we have to test different functions depending |
| // on the version of GIFLIB |
| #if GIFLIB_MAJOR >= 5 |
| // test the linker |
| GifErrorString(D_GIF_SUCCEEDED); |
| |
| // check the version |
| char gif_version_string[16]; |
| snprintf(gif_version_string, 16, "%i.%i.%i", GIFLIB_MAJOR, GIFLIB_MINOR, |
| GIFLIB_RELEASE); |
| |
| assert(strcmp(gif_version_string, CMAKE_EXPECTED_GIF_VERSION) == 0); |
| #else |
| // test the linker |
| GifLastError(); |
| |
| // unfortunately there is no way to check the version in older version of |
| // GIFLIB |
| #endif |
| |
| return 0; |
| } |