From 9a0faef3e6fc6da7806e1b06b06b598dd03b393a Mon Sep 17 00:00:00 2001
From: Sergey Kosukhin <sergey.kosukhin@mpimet.mpg.de>
Date: Mon, 24 Jan 2022 17:46:38 +0100
Subject: [PATCH] Add overlinking examples.

---
 Makefile.am                     |   4 +
 Makefile.in                     |   5 +-
 configure                       |   3 +-
 configure.ac                    |   1 +
 overlinking/.gitignore          |   2 +
 overlinking/Makefile.am         |  10 +
 overlinking/Makefile.in         | 716 ++++++++++++++++++++++++++++++++
 overlinking/must_fail.c         |   9 +
 overlinking/no_link_to_libcdi.c |   7 +
 9 files changed, 754 insertions(+), 3 deletions(-)
 create mode 100644 overlinking/.gitignore
 create mode 100644 overlinking/Makefile.am
 create mode 100644 overlinking/Makefile.in
 create mode 100644 overlinking/must_fail.c
 create mode 100644 overlinking/no_link_to_libcdi.c

diff --git a/Makefile.am b/Makefile.am
index 60ca00a26..dcf924cbe 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,5 +1,9 @@
 SUBDIRS = src interfaces app examples tests
 
+if MAINTAINER_MODE
+SUBDIRS += overlinking
+endif MAINTAINER_MODE
+
 # The pdf files below cannot be created in parallel. The following helps with
 # GNU Make and hopefully will not make it worse with other make programs:
 .NOTPARALLEL:
diff --git a/Makefile.in b/Makefile.in
index 5283554eb..768406adc 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -87,6 +87,7 @@ PRE_UNINSTALL = :
 POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
+@MAINTAINER_MODE_TRUE@am__append_1 = overlinking
 subdir = .
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps =  \
@@ -188,7 +189,7 @@ am__define_uniq_tagged_files = \
 ETAGS = etags
 CTAGS = ctags
 CSCOPE = cscope
-DIST_SUBDIRS = $(SUBDIRS)
+DIST_SUBDIRS = src interfaces app examples tests overlinking
 am__DIST_COMMON = $(srcdir)/Makefile.in $(srcdir)/cdi.settings.in \
 	$(top_srcdir)/config/compile $(top_srcdir)/config/config.guess \
 	$(top_srcdir)/config/config.sub \
@@ -428,7 +429,7 @@ target_alias = @target_alias@
 top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
-SUBDIRS = src interfaces app examples tests
+SUBDIRS = src interfaces app examples tests $(am__append_1)
 EXTRA_DIST = \
   config/interface.rb \
   doc/cdi_cman.pdf \
diff --git a/configure b/configure
index 4a211a32f..f11ae9b4a 100755
--- a/configure
+++ b/configure
@@ -32545,7 +32545,7 @@ ENABLE_PYTHON_INTERFACE=$enable_python_interface
 
 ac_config_headers="$ac_config_headers src/config.h"
 
-ac_config_files="$ac_config_files Makefile app/Makefile cdi.settings examples/Makefile examples/pio/Makefile interfaces/Makefile src/Makefile src/pkgconfig/cdi.pc src/pkgconfig/cdi_f2003.pc src/pkgconfig/cdipio.pc tests/Makefile"
+ac_config_files="$ac_config_files Makefile app/Makefile cdi.settings examples/Makefile examples/pio/Makefile interfaces/Makefile src/Makefile src/pkgconfig/cdi.pc src/pkgconfig/cdi_f2003.pc src/pkgconfig/cdipio.pc tests/Makefile overlinking/Makefile"
 
 ac_config_files="$ac_config_files tests/pio_cksum_asynch.run tests/pio_cksum_fpguard.run tests/pio_cksum_grb2.run tests/pio_cksum_mpi_fw_at_all.run tests/pio_cksum_mpi_fw_at_reblock.run tests/pio_cksum_mpi_fw_ordered.run tests/pio_cksum_mpinonb.run tests/pio_cksum_nc.run tests/pio_cksum_nc2.run tests/pio_cksum_nc4.run tests/pio_cksum_writer.run tests/pio_write.parallel.run tests/pio_write.run tests/pio_write_deco2d.parallel.run tests/pio_write_deco2d.run tests/pio_write_dist_array.run tests/test_cdf_const.run tests/test_cdf_transformation.run tests/test_cksum.run tests/test_cksum_ext.run tests/test_cksum_grb2.run tests/test_cksum_ieg.run tests/test_cksum_nc.run tests/test_cksum_nc2.run tests/test_cksum_nc4.run tests/test_cksum_nc_chunk.run tests/test_cksum_svc.run tests/test_f2003.run tests/test_grib.run tests/test_resource_copy.parallel.run tests/test_resource_copy.run"
 
@@ -33935,6 +33935,7 @@ do
     "src/pkgconfig/cdi_f2003.pc") CONFIG_FILES="$CONFIG_FILES src/pkgconfig/cdi_f2003.pc" ;;
     "src/pkgconfig/cdipio.pc") CONFIG_FILES="$CONFIG_FILES src/pkgconfig/cdipio.pc" ;;
     "tests/Makefile") CONFIG_FILES="$CONFIG_FILES tests/Makefile" ;;
+    "overlinking/Makefile") CONFIG_FILES="$CONFIG_FILES overlinking/Makefile" ;;
     "tests/pio_cksum_asynch.run") CONFIG_FILES="$CONFIG_FILES tests/pio_cksum_asynch.run" ;;
     "tests/pio_cksum_fpguard.run") CONFIG_FILES="$CONFIG_FILES tests/pio_cksum_fpguard.run" ;;
     "tests/pio_cksum_grb2.run") CONFIG_FILES="$CONFIG_FILES tests/pio_cksum_grb2.run" ;;
diff --git a/configure.ac b/configure.ac
index 82b4cd421..27078ff43 100644
--- a/configure.ac
+++ b/configure.ac
@@ -690,6 +690,7 @@ AC_CONFIG_FILES([
   src/pkgconfig/cdi_f2003.pc
   src/pkgconfig/cdipio.pc
   tests/Makefile
+  overlinking/Makefile
 ])
 AC_CONFIG_FILES([
   tests/pio_cksum_asynch.run
diff --git a/overlinking/.gitignore b/overlinking/.gitignore
new file mode 100644
index 000000000..e45e27aac
--- /dev/null
+++ b/overlinking/.gitignore
@@ -0,0 +1,2 @@
+/must_fail
+/no_link_to_libcdi
diff --git a/overlinking/Makefile.am b/overlinking/Makefile.am
new file mode 100644
index 000000000..8b9557b3f
--- /dev/null
+++ b/overlinking/Makefile.am
@@ -0,0 +1,10 @@
+noinst_PROGRAMS =
+
+if ENABLE_MPI
+noinst_PROGRAMS += \
+  no_link_to_libcdi \
+  must_fail
+endif
+
+AM_CPPFLAGS = -I$(top_srcdir)/src $(YAXT_C_INCLUDE)
+LDADD = $(top_builddir)/src/libcdipio.la
diff --git a/overlinking/Makefile.in b/overlinking/Makefile.in
new file mode 100644
index 000000000..52cc557cf
--- /dev/null
+++ b/overlinking/Makefile.in
@@ -0,0 +1,716 @@
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+# @configure_input@
+
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+
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+	$(am__cd) $(top_srcdir) && \
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+	  *config.status*) \
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+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
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+	      $$unique; \
+	  fi; \
+	fi
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diff --git a/overlinking/must_fail.c b/overlinking/must_fail.c
new file mode 100644
index 000000000..2708da95d
--- /dev/null
+++ b/overlinking/must_fail.c
@@ -0,0 +1,9 @@
+#include <cdi.h>
+#include <cdipio.h>
+
+int main()
+{
+  cdiReset(); // random function from libcdi
+  pioFinalize(); // random function from libcdipio
+  return 0;
+}
diff --git a/overlinking/no_link_to_libcdi.c b/overlinking/no_link_to_libcdi.c
new file mode 100644
index 000000000..bfe6cbdc0
--- /dev/null
+++ b/overlinking/no_link_to_libcdi.c
@@ -0,0 +1,7 @@
+#include <cdipio.h>
+
+int main()
+{
+  pioFinalize(); // random function from libcdipio
+  return 0;
+}
-- 
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