build BUGFIX vasprintf detection on BSD

michalvasko · michalvasko · commit 1ca3fa4e36ec · 2020-05-29T08:43:45.000+02:00
diff --git a/CMakeModules/UseCompat.cmake b/CMakeModules/UseCompat.cmake
@@ -7,6 +7,7 @@ macro(USE_COMPAT)
     # compatibility checks
     set(CMAKE_REQUIRED_DEFINITIONS -D_POSIX_C_SOURCE=200809L)
     list(APPEND CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE)
+    list(APPEND CMAKE_REQUIRED_DEFINITIONS -D__BSD_VISIBLE=1)
     check_symbol_exists(vdprintf "stdio.h;stdarg.h" HAVE_VDPRINTF)
     check_symbol_exists(asprintf "stdio.h" HAVE_ASPRINTF)
     check_symbol_exists(vasprintf "stdio.h" HAVE_VASPRINTF)
