#!/bin/sh

# Check all exported PostgreSQL include files for C++ compatibility.
# Run this from the top-level source directory after performing a build.
# No output if everything is OK, else compiler errors.

me=`basename $0`

tmp=`mktemp -d /tmp/$me.XXXXXX`

trap 'rm -rf $tmp' 0 1 2 3 15

# Omit src/include/port/, because it's platform specific, and c.h includes
# the relevant file anyway.
# rusagestub.h is also platform-specific, and will be included by
# utils/pg_rusage.h if necessary.
# access/rmgrlist.h is not meant to be included standalone.
# regex/regerrs.h is not meant to be included standalone.
# parser/gram.h will be included by parser/gramparse.h.
# parser/kwlist.h is not meant to be included standalone.
# pg_trace.h and utils/probes.h can include sys/sdt.h from SystemTap,
# which itself contains C++ code and so won't compile with a C++
# compiler under extern "C" linkage.

for f in `find src/include src/interfaces/libpq/libpq-fe.h src/interfaces/libpq/libpq-events.h -name '*.h' -print | \
    grep -v -e ^src/include/port/ \
	-e ^src/include/rusagestub.h -e ^src/include/regex/regerrs.h \
	-e ^src/include/access/rmgrlist.h \
	-e ^src/include/parser/gram.h -e ^src/include/parser/kwlist.h \
	-e ^src/include/pg_trace.h -e ^src/include/utils/probes.h`
do
	{
	    echo ' extern "C" {'
	    test $f != "src/include/postgres_fe.h" && echo '#include "postgres.h"'
	    echo "#include \"$f\""
	    echo '};'
	} >$tmp/test.cpp

	${CXX:-g++} -I . -I src/interfaces/libpq -I src/include -fsyntax-only -Wall -c $tmp/test.cpp
done