Fix a incompatible pointer warning on NetBSD

1 files changed, 29 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 0f129db0..a2b1c72f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -161,6 +161,35 @@ AC_LINK_IFELSE([AC_LANG_SOURCE([[
 		AC_MSG_RESULT([yes])
 		AC_DEFINE([HAVE_POSIX_FADVISE], [1], [Define to 1 if you have the 'posix_fadvise' function.])
 	],[AC_MSG_RESULT([no])])
+AC_MSG_CHECKING([for scandir])
+AC_LINK_IFELSE([AC_LANG_SOURCE([[
+	#include <dirent.h>
+	int comp(const struct dirent **, const struct dirent **);
+	int comp(const struct dirent **a, const struct dirent **b) { return 0; }
+	int main(void) {
+	    struct dirent **d;
+	    return scandir(".", &d, 0, &comp) >= 0;
+	}
+	]])],[
+		AC_MSG_RESULT([yes])
+		AC_DEFINE([HAVE_SCANDIR], [1], [Define to 1 if you have the 'scandir' function.])
+	],[
+		AC_LINK_IFELSE([AC_LANG_SOURCE([[
+			#include <dirent.h>
+			int comp(const void *, const void *);
+			int comp(const void *a, const void *b) { return 0; }
+			int main(void) {
+			    struct dirent **d;
+			    return scandir(".", &d, 0, &comp) >= 0;
+			}
+		]])],[
+			AC_MSG_RESULT([yes])
+			AC_DEFINE([HAVE_SCANDIR_VOID_P], [1], [Define to 1 if you have the 'scandir' function with int (* compar)(const void *, const void *)])
+		],[
+			AC_MSG_ERROR([
+*** No scandir function available.])
+		])
+	])
 CFLAGS="$fc_saved_CFLAGS"
 
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