diff options
Diffstat (limited to 'src/geodesic.c')
| -rw-r--r-- | src/geodesic.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/geodesic.c b/src/geodesic.c index 49c9823e..dcdd4d77 100644 --- a/src/geodesic.c +++ b/src/geodesic.c @@ -27,8 +27,13 @@ #include <math.h> #if !defined(HAVE_C99_MATH) +#if defined(PROJ_LIB) +/* PROJ requires C99 so HAVE_C99_MATH is implicit */ +#define HAVE_C99_MATH 1 +#else #define HAVE_C99_MATH 0 #endif +#endif #if !defined(__cplusplus) #define nullptr 0 |