Fix DESTDIR support for cygwin/msys2 install

fixes #1066

diff --git a/Makefile.install b/Makefile.install
index 1b9388a..aadd5f7 100644 (file)
--- a/Makefile.install
+++ b/Makefile.install
@@ -91,7 +91,7 @@ ifeq ($(OSNAME), WINNT)
        @-cp $(LIBDLLNAME).a "$(DESTDIR)$(OPENBLAS_LIBRARY_DIR)"
 endif
 ifeq ($(OSNAME), CYGWIN_NT)
-       @-cp $(LIBDLLNAME) $(OPENBLAS_BINARY_DIR)
+       @-cp $(LIBDLLNAME) "$(DESTDIR)$(OPENBLAS_BINARY_DIR)"
 endif
 endif
 #Generating OpenBLASConfig.cmake