Adding upstream version 16.2.upstream/16.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 222 insertions, 0 deletions

diff --git a/src/tools/pginclude/cpluspluscheck b/src/tools/pginclude/cpluspluscheck
new file mode 100755
index 0000000..4e09c46
--- /dev/null
+++ b/src/tools/pginclude/cpluspluscheck
@@ -0,0 +1,222 @@
+#!/bin/sh
+
+# Check (almost) all PostgreSQL include files for C++ compatibility.
+#
+# Argument 1 is the top-level source directory, argument 2 the
+# top-level build directory (they might be the same). If not set, they
+# default to the current directory.
+#
+# Needs to be run after configuring and creating all generated headers.
+# It's advisable to configure --with-perl --with-python, else you're
+# likely to get errors from associated headers.
+#
+# No output if everything is OK, else compiler errors.
+#
+# src/tools/pginclude/cpluspluscheck
+# Copyright (c) 2009-2023, PostgreSQL Global Development Group
+
+if [ -z "$1" ]; then
+    srcdir="."
+else
+    srcdir="$1"
+fi
+
+if [ -z "$2" ]; then
+    builddir="."
+else
+    builddir="$2"
+fi
+
+me=`basename $0`
+
+# These switches are g++ specific, you may override if necessary.
+CXXFLAGS=${CXXFLAGS:- -fsyntax-only -Wall}
+
+# Pull some info from configure's results.
+MGLOB="$builddir/src/Makefile.global"
+CPPFLAGS=`sed -n 's/^CPPFLAGS[ 	]*=[ 	]*//p' "$MGLOB"`
+CXX=`sed -n 's/^CXX[ 	]*=[ 	]*//p' "$MGLOB"`
+perl_includespec=`sed -n 's/^perl_includespec[ 	]*=[ 	]*//p' "$MGLOB"`
+python_includespec=`sed -n 's/^python_includespec[ 	]*=[ 	]*//p' "$MGLOB"`
+
+# Extract any -I and -D switches from CPPFLAGS.
+# (If necessary, user can pass more switches by presetting EXTRAFLAGS.)
+for flag in $CPPFLAGS; do
+  case $flag in
+    -I*|-D*) EXTRAFLAGS="$EXTRAFLAGS $flag";;
+  esac
+done
+
+# Create temp directory.
+tmp=`mktemp -d /tmp/$me.XXXXXX`
+
+trap "ret=$?; rm -rf $tmp; exit $ret" 0 1 2 3 15
+
+exit_status=0
+
+# Scan all of src/ and contrib/ for header files.
+for f in `cd "$srcdir" && find src contrib -name '*.h' -print`
+do
+	# Ignore files that are unportable or intentionally not standalone.
+
+	# These files are platform-specific, and c.h will include the
+	# one that's relevant for our current platform anyway.
+	test "$f" = src/include/port/aix.h && continue
+	test "$f" = src/include/port/cygwin.h && continue
+	test "$f" = src/include/port/darwin.h && continue
+	test "$f" = src/include/port/freebsd.h && continue
+	test "$f" = src/include/port/linux.h && continue
+	test "$f" = src/include/port/netbsd.h && continue
+	test "$f" = src/include/port/openbsd.h && continue
+	test "$f" = src/include/port/solaris.h && continue
+	test "$f" = src/include/port/win32.h && continue
+
+	# Additional Windows-specific headers.
+	test "$f" = src/include/port/win32_port.h && continue
+	test "$f" = src/include/port/win32/netdb.h && continue
+	test "$f" = src/include/port/win32/sys/resource.h && continue
+	test "$f" = src/include/port/win32/sys/socket.h && continue
+	test "$f" = src/include/port/win32_msvc/dirent.h && continue
+	test "$f" = src/include/port/win32_msvc/utime.h && continue
+	test "$f" = src/include/port/win32ntdll.h && continue
+	test "$f" = src/port/pthread-win32.h && continue
+
+	# Likewise, these files are platform-specific, and the one
+	# relevant to our platform will be included by atomics.h.
+	test "$f" = src/include/port/atomics/arch-arm.h && continue
+	test "$f" = src/include/port/atomics/arch-hppa.h && continue
+	test "$f" = src/include/port/atomics/arch-ppc.h && continue
+	test "$f" = src/include/port/atomics/arch-x86.h && continue
+	test "$f" = src/include/port/atomics/fallback.h && continue
+	test "$f" = src/include/port/atomics/generic.h && continue
+	test "$f" = src/include/port/atomics/generic-acc.h && continue
+	test "$f" = src/include/port/atomics/generic-gcc.h && continue
+	test "$f" = src/include/port/atomics/generic-msvc.h && continue
+	test "$f" = src/include/port/atomics/generic-sunpro.h && continue
+
+	# sepgsql.h depends on headers that aren't there on most platforms.
+	test "$f" = contrib/sepgsql/sepgsql.h && continue
+
+	# nodetags.h cannot be included standalone: it's just a code fragment.
+	test "$f" = src/include/nodes/nodetags.h && continue
+	test "$f" = src/backend/nodes/nodetags.h && continue
+
+	# These files are not meant to be included standalone, because
+	# they contain lists that might have multiple use-cases.
+	test "$f" = src/include/access/rmgrlist.h && continue
+	test "$f" = src/include/parser/kwlist.h && continue
+	test "$f" = src/pl/plpgsql/src/pl_reserved_kwlist.h && continue
+	test "$f" = src/pl/plpgsql/src/pl_unreserved_kwlist.h && continue
+	test "$f" = src/interfaces/ecpg/preproc/c_kwlist.h && continue
+	test "$f" = src/interfaces/ecpg/preproc/ecpg_kwlist.h && continue
+	test "$f" = src/include/regex/regerrs.h && continue
+	test "$f" = src/include/tcop/cmdtaglist.h && continue
+	test "$f" = src/pl/plpgsql/src/plerrcodes.h && continue
+	test "$f" = src/pl/plpython/spiexceptions.h && continue
+	test "$f" = src/pl/tcl/pltclerrcodes.h && continue
+
+	# Also not meant to be included standalone.
+	test "$f" = src/include/common/unicode_nonspacing_table.h && continue
+	test "$f" = src/include/common/unicode_east_asian_fw_table.h && continue
+
+	# We can't make these Bison output files compilable standalone
+	# without using "%code require", which old Bison versions lack.
+	# parser/gram.h will be included by parser/gramparse.h anyway.
+	test "$f" = contrib/cube/cubeparse.h && continue
+	test "$f" = contrib/seg/segparse.h && continue
+	test "$f" = src/backend/bootstrap/bootparse.h && continue
+	test "$f" = src/backend/parser/gram.h && continue
+	test "$f" = src/backend/replication/repl_gram.h && continue
+	test "$f" = src/backend/replication/syncrep_gram.h && continue
+	test "$f" = src/backend/utils/adt/jsonpath_gram.h && continue
+	test "$f" = src/bin/pgbench/exprparse.h && continue
+	test "$f" = src/pl/plpgsql/src/pl_gram.h && continue
+	test "$f" = src/interfaces/ecpg/preproc/preproc.h && continue
+	test "$f" = src/test/isolation/specparse.h && continue
+
+	# ppport.h is not under our control, so we can't make it standalone.
+	test "$f" = src/pl/plperl/ppport.h && continue
+
+	# regression.h is not actually C, but ECPG code.
+	test "$f" = src/interfaces/ecpg/test/regression.h && continue
+	# printf_hack.h produces "unused function" warnings.
+	test "$f" = src/interfaces/ecpg/test/printf_hack.h && continue
+
+	# pg_trace.h and utils/probes.h can include sys/sdt.h from SystemTap,
+	# which itself contains C++ code and so won't compile with a C++
+	# compiler under extern "C" linkage.
+	test "$f" = src/include/pg_trace.h && continue
+	test "$f" = src/include/utils/probes.h && continue
+
+	# pg_dump is not C++-clean because it uses "public" and "namespace"
+	# as field names, which is unfortunate but we won't change it now.
+	test "$f" = src/bin/pg_dump/compress_gzip.h && continue
+	test "$f" = src/bin/pg_dump/compress_io.h && continue
+	test "$f" = src/bin/pg_dump/compress_lz4.h && continue
+	test "$f" = src/bin/pg_dump/compress_none.h && continue
+	test "$f" = src/bin/pg_dump/compress_zstd.h && continue
+	test "$f" = src/bin/pg_dump/parallel.h && continue
+	test "$f" = src/bin/pg_dump/pg_backup_archiver.h && continue
+	test "$f" = src/bin/pg_dump/pg_dump.h && continue
+
+	# OK, create .c file to include this .h file.
+	{
+	    echo 'extern "C" {'
+	    # Ideally we'd pre-include only the appropriate one of
+	    # postgres.h, postgres_fe.h, or c.h.  We don't always have enough
+	    # info to guess which, but in some subdirectories there's a
+	    # reasonable choice to make, and otherwise we use postgres.h.
+	    # Also, those three files should compile with no pre-include, as
+	    # should src/interfaces headers meant to be exposed to clients.
+	    case "$f" in
+		src/include/postgres.h) ;;
+		src/include/postgres_fe.h) ;;
+		src/include/c.h) ;;
+		src/interfaces/libpq/libpq-fe.h) ;;
+		src/interfaces/libpq/libpq-events.h) ;;
+		src/interfaces/ecpg/ecpglib/ecpglib_extern.h)
+		    echo '#include "postgres_fe.h"' ;;
+		src/interfaces/ecpg/ecpglib/*) ;;
+		src/interfaces/*)
+		    echo '#include "postgres_fe.h"' ;;
+		src/bin/*)
+		    echo '#include "postgres_fe.h"' ;;
+		src/fe_utils/*)
+		    echo '#include "postgres_fe.h"' ;;
+		src/port/*) ;;
+		src/common/*)
+		    echo '#include "c.h"' ;;
+		*)
+		    echo '#include "postgres.h"' ;;
+	    esac
+	    echo "#include \"$f\""
+	    echo '};'
+	} >$tmp/test.cpp
+
+	# Some subdirectories need extra -I switches.
+	case "$f" in
+	    src/pl/plperl/*)
+		EXTRAINCLUDES="$perl_includespec" ;;
+	    src/pl/plpython/*)
+		EXTRAINCLUDES="$python_includespec" ;;
+	    src/interfaces/ecpg/*)
+		EXTRAINCLUDES="-I $builddir/src/interfaces/ecpg/include -I $srcdir/src/interfaces/ecpg/include" ;;
+	    src/backend/parser/*)
+		EXTRAINCLUDES="-I $builddir/src/backend/parser/" ;;
+	    src/backend/utils/adt/*)
+		EXTRAINCLUDES="-I $builddir/src/backend/utils/adt/" ;;
+	    *)
+		EXTRAINCLUDES="" ;;
+	esac
+
+	# Run the test.
+	if ! ${CXX:-g++} -I $builddir -I $srcdir \
+		-I $builddir/src/include -I $srcdir/src/include \
+		-I $builddir/src/interfaces/libpq -I $srcdir/src/interfaces/libpq \
+		$EXTRAINCLUDES $EXTRAFLAGS $CXXFLAGS -c $tmp/test.cpp
+	then
+		exit_status=1
+	fi
+done
+
+exit $exit_status