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# Conditionally include execinfo as it's not available on all libc
# systems. There is a PR upstream for a similiar issue but the actual
# issus is not reproducable on Gentoo [math library not found] [1], so
# for now this is a temporary fix and can be removed once the PR [1]
# is merged upstream.
# [1]: https://github.com/Unidata/netcdf-c/pull/1701
#
# Closes: https://bugs.gentoo.org/828677
--- a/libhdf5/hdf5debug.c
+++ b/libhdf5/hdf5debug.c
@@ -5,7 +5,7 @@
#include "config.h"
#include <stdarg.h>
#include <stdio.h>
-#if !defined _WIN32 && !defined __CYGWIN__
+#ifdef HAVE_EXECINFO_H
#include <execinfo.h>
#endif
@@ -15,15 +15,18 @@
#define STSIZE 1000
+#ifdef HAVE_EXECINFO_H
#ifdef H5BACKTRACE
# if !defined _WIN32 && !defined __CYGWIN__
static void* stacktrace[STSIZE];
# endif
#endif
+#endif
int
nch5breakpoint(int err)
{
+#ifdef HAVE_EXECINFO_H
#ifdef H5BACKTRACE
# if !defined _WIN32 && !defined __CYGWIN__
int count = 0;
@@ -39,6 +42,7 @@ nch5breakpoint(int err)
if(trace != NULL) free(trace);
# endif
# endif
+#endif
#endif
return err;
}
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