sr/srd: SR_API/SRD_API/etc. is a no-op on MinGW.

This avoids warnings on a MinGW build. The feature depends on ELF files,
but MinGW/Windows uses PE files.

diff --git a/sigrokdecode.h.in b/sigrokdecode.h.in
index b158e37079778f47ff5d85943a44412f3b43259e..ad7b602d73dee3ef56741fc49817e65e174feaba 100644 (file)
--- a/sigrokdecode.h.in
+++ b/sigrokdecode.h.in
@@ -105,14 +105,25 @@ extern "C" {
  *
  * This uses the 'visibility' feature of gcc (requires gcc >= 4.0).
  *
+ * This feature is not available on MinGW/Windows, as it is a feature of
+ * ELF files and MinGW/Windows uses PE files.
+ *
  * Details: http://gcc.gnu.org/wiki/Visibility
  */
 
 /* Marks public libsigrokdecode API symbols. */
+#ifndef _WIN32
 #define SRD_API __attribute__((visibility("default")))
+#else
+#define SRD_API
+#endif
 
 /* Marks private, non-public libsigrokdecode symbols (not part of the API). */
+#ifndef _WIN32
 #define SRD_PRIV __attribute__((visibility("hidden")))
+#else
+#define SRD_PRIV
+#endif
 
 /*
  * When adding an output type, don't forget to...