X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Frrd_getopt.c;h=a74ff88de7a6bcc140c492cd2da5d5158414d471;hb=4544c97f2699490bdfef560e6dbcd71de09db7b2;hp=dbb3f3f76dd76630b112c01e875adcf657d2a2af;hpb=aff0a2728543eee1ac21f3fa02f171caae8d9362;p=rrdtool.git

diff --git a/src/rrd_getopt.c b/src/rrd_getopt.c
index dbb3f3f..a74ff88 100644
--- a/src/rrd_getopt.c
+++ b/src/rrd_getopt.c
@@ -112,6 +112,14 @@
    Also, when `ordering' is RETURN_IN_ORDER,
    each non-option ARGV-element is returned here.  */
 
+/*
+ * On some versions of Solaris, opterr and friends are defined in core libc
+ * rather than in a separate getopt module.  Define these variables only
+ * if configure found they aren't there by default.  (We assume that testing
+ * opterr is sufficient for all of these except optreset.)
+ */
+#ifndef HAVE_INT_OPTERR
+
 char     *optarg = NULL;
 
 /* Index in ARGV of the next element to be scanned.
@@ -126,9 +134,28 @@ char     *optarg = NULL;
    Otherwise, `optind' communicates from one call to the next
    how much of ARGV has been scanned so far.  */
 
+/* Callers store zero here to inhibit the error message
+   for unrecognized options.  */
+
+int       opterr = 1;
+
+/* Set to an option character which was unrecognized.
+   This must be initialized on some systems to avoid linking in the
+   system's own getopt implementation.  */
+
+int       optopt = '?';
+
 /* 1003.2 says this must be 1 before any call.  */
 int       optind = 1;
 
+#else
+ extern int      opterr;
+ extern int      optind;
+ extern int      optopt;
+ extern char     *optarg;
+#endif
+
+
 /* Formerly, initialization of getopt depended on optind==0, which
    causes problems with re-calling getopt as programs generally don't
    know that. */
@@ -144,16 +171,6 @@ int       __getopt_initialized = 0;
 
 static char *nextchar;
 
-/* Callers store zero here to inhibit the error message
-   for unrecognized options.  */
-
-int       opterr = 1;
-
-/* Set to an option character which was unrecognized.
-   This must be initialized on some systems to avoid linking in the
-   system's own getopt implementation.  */
-
-int       optopt = '?';
 
 /* Describe how to deal with options that follow non-option ARGV-elements.
 
@@ -257,7 +274,8 @@ static char *const *original_argv;
    to getopt is that one passed to the process.  */
 static void store_args(
     int argc,
-    char *const *argv) __attribute__ ((unused));
+    char *const *argv);
+
 static void store_args(
     int argc,
     char *const *argv)