1 files changed, 46 insertions, 0 deletions
diff --git a/sci-libs/netcdf/files/netcdf-4.9.0-fix-musl-execinfo_h.patch b/sci-libs/netcdf/files/netcdf-4.9.0-fix-musl-execinfo_h.patch
new file mode 100644
index 000000000000..7b711327512a
--- /dev/null
+++ b/sci-libs/netcdf/files/netcdf-4.9.0-fix-musl-execinfo_h.patch
@@ -0,0 +1,46 @@
+# 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;
+ }