diff options
| author | Theophile Ranquet <ranquet@lrde.epita.fr> | 2012-12-06 13:21:36 +0100 |
|---|---|---|
| committer | Theophile Ranquet <ranquet@lrde.epita.fr> | 2012-12-07 12:02:00 +0100 |
| commit | c49e2f153521a86f22b2631ca8a1fb6389c3a70e (patch) | |
| tree | 219c0b8402405eb30c0bf0174d3331f22ad2b8c1 | |
| parent | dbda56040076e602f3494c5499a50d0452b162b5 (diff) | |
| download | bison-c49e2f153521a86f22b2631ca8a1fb6389c3a70e.tar.gz | |
cpp: improve the Flex version checking macro
* src/flex-scanner.h (FLEX_VERSION): Here.
| -rw-r--r-- | src/flex-scanner.h | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/flex-scanner.h b/src/flex-scanner.h index 028082ec..dbb01dbd 100644 --- a/src/flex-scanner.h +++ b/src/flex-scanner.h @@ -21,18 +21,18 @@ # error "FLEX_PREFIX not defined" #endif -/* Whether this version of Flex is (strictly) greater than - Major.Minor.Subminor. */ +/* Flex full version as a number. */ #ifdef YY_FLEX_SUBMINOR_VERSION -# define FLEX_VERSION \ - (YY_FLEX_MAJOR_VERSION) * 1000000 \ -+ (YY_FLEX_MINOR_VERSION) * 1000 \ -+ (YY_FLEX_SUBMINOR_VERSION) +# define FLEX_VERSION \ + ((YY_FLEX_MAJOR_VERSION) * 1000000 \ + + (YY_FLEX_MINOR_VERSION) * 1000 \ + + (YY_FLEX_SUBMINOR_VERSION)) #else -# define FLEX_VERSION \ - (YY_FLEX_MAJOR_VERSION) * 1000000 \ -+ (YY_FLEX_MINOR_VERSION) * 1000 +# define FLEX_VERSION \ + ((YY_FLEX_MAJOR_VERSION) * 1000000 \ + + (YY_FLEX_MINOR_VERSION) * 1000) #endif + /* Pacify "gcc -Wmissing-prototypes" when flex 2.5.31 is used. */ # if FLEX_VERSION <= 2005031 int FLEX_PREFIX (get_lineno) (void); |