From: John Ellson <ellson@research.att.com>
Date: Tue, 5 Jan 2016 21:21:59 +0000 (-0500)
Subject: no qsort_r() on EL5
X-Git-Tag: TRAVIS_CI_BUILD_EXPERIMENTAL~76
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3768fc0eac4a47ef51775b47977ac84748298d40;p=graphviz

no qsort_r() on EL5
---

diff --git a/lib/common/postproc.c b/lib/common/postproc.c
index 5e30687a0..17b51aad6 100644
--- a/lib/common/postproc.c
+++ b/lib/common/postproc.c
@@ -629,6 +629,9 @@ static void addXLabels(Agraph_t * gp)
 	xlabs.p0 = objs;
 #if defined(WIN32)
 	qsort_s(objs, n_objs, sizeof(object_t), (qsortr_cmpf)cmp_obj, &xlabs);
+#elif (__GLIBC__ == 2 && __GLIBC_MINOR__ < 8)
+	// EL5 has glibc 2.5 and no qsort_r
+	git__insertsort_r(objs, n_objs, sizeof(object_t), NULL, (qsortr_cmpf)cmp_obj, &xlabs);
 #else
 	qsort_r(objs, n_objs, sizeof(object_t), (qsortr_cmpf)cmp_obj, &xlabs);
 #endif