diff options
| -rw-r--r-- | include/curl/curl.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/curl/curl.h b/include/curl/curl.h index 031155aa4..ded488ead 100644 --- a/include/curl/curl.h +++ b/include/curl/curl.h @@ -233,7 +233,15 @@ typedef enum { #ifdef CINIT #undef CINIT #endif -#if defined(__STDC__) || defined(_MSC_VER) || defined(__cplusplus) +/* + * Figure out if we can use the ## operator, which is supported by ISO/ANSI C + * and C++. Some compilers support it without setting __STDC__ or __cplusplus + * so we need to carefully check for them too. We don't use configure-checks + * for these since we want these headers to remain generic and working for all + * platforms. + */ +#if defined(__STDC__) || defined(_MSC_VER) || defined(__cplusplus) || \ + defined(__HP_aCC) #define CINIT(name,type,number) CURLOPT_ ## name = CURLOPTTYPE_ ## type + number #else /* The macro "##" is ISO C, we assume pre-ISO C doesn't support it. */ |