From 0bf3398a0d52cb07f66b7cd9f33fbca05b05dde8 Mon Sep 17 00:00:00 2001
From: Larry Knox <lrknox@hdfgroup.org>
Date: Tue, 15 Jan 2019 10:04:37 -0600
Subject: Add check for existing links in hl/fortran/src/Makefile.am.

---
 hl/fortran/src/Makefile.am | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/hl/fortran/src/Makefile.am b/hl/fortran/src/Makefile.am
index 200a2ce..37e074c 100644
--- a/hl/fortran/src/Makefile.am
+++ b/hl/fortran/src/Makefile.am
@@ -55,10 +55,12 @@ libhdf5hl_fortran_la_LIBADD=$(LIBH5_HL) $(LIBH5F)
 # actual lib file.
 install-exec-hook:
 	cd $(DESTDIR)$(libdir) && \
-	    if test -f libhdf5hl_fortran.a; then \
+	    if test -f libhdf5hl_fortran.a -a \
+	    ! -f libhdf5_hl_fortran.a; then \
 	        $(LN_S) libhdf5hl_fortran.a libhdf5_hl_fortran.a; \
 	    fi; \
-	    if test -f libhdf5hl_fortran.so; then \
+	    if test -f libhdf5hl_fortran.so -a \
+	    ! -f libhdf5_hl_fortran.so; then \
 	        $(LN_S) libhdf5hl_fortran.so libhdf5_hl_fortran.so; \
 	    fi;
 
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