diff options
Diffstat (limited to 'src/tools/pginclude/cpluspluscheck')
| -rwxr-xr-x | src/tools/pginclude/cpluspluscheck | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/tools/pginclude/cpluspluscheck b/src/tools/pginclude/cpluspluscheck new file mode 100755 index 0000000..42688ff --- /dev/null +++ b/src/tools/pginclude/cpluspluscheck @@ -0,0 +1,175 @@ +#!/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) 2009-2022, 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 'rm -rf $tmp' 0 1 2 3 15 + +# Scan all of src/ and contrib/ for header files. +for f in `cd "$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 "$f" = src/include/port/hpux.h && continue + test "$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/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 "$f" = src/include/port/atomics/arch-ia64.h && continue + test "$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 "$f" = src/include/port/atomics/generic-sunpro.h && continue + + # rusagestub.h is also platform-specific, and will be included + # by utils/pg_rusage.h if necessary. + test "$f" = src/include/rusagestub.h && continue + + # sepgsql.h depends on headers that aren't there on most platforms. + test "$f" = contrib/sepgsql/sepgsql.h && continue + + # These files are not meant to be included standalone, because + # they contain lists that might have multiple use-cases. + test "$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 "$f" = src/include/common/unicode_combining_table.h && continue + test "$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 "$f" = src/include/parser/gram.h && continue + test "$f" = src/backend/parser/gram.h && continue + test "$f" = src/pl/plpgsql/src/pl_gram.h && continue + test "$f" = src/interfaces/ecpg/preproc/preproc.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_io.h && continue + test "$f" = src/bin/pg_dump/parallel.h && continue + test "$f" = src/bin/pg_dump/pg_backup_archiver.h && continue + test "$f" = src/bin/pg_dump/pg_dump.h && continue + + # OK, create .c file to include this .h file. + { + echo 'extern "C" {' + test "$f" != src/include/postgres_fe.h && echo '#include "postgres.h"' + 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" ;; + *) + EXTRAINCLUDES="" ;; + esac + + # Run the test. + ${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 + +done |