172 lines
6.5 KiB
Bash
Executable File
172 lines
6.5 KiB
Bash
Executable File
#!/bin/sh
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# Check (almost) all PostgreSQL include files for C++ compatibility.
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#
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# Argument 1 is the top-level source directory, argument 2 the
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# top-level build directory (they might be the same). If not set, they
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# default to the current directory.
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#
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# Needs to be run after configuring and creating all generated headers.
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# It's advisable to configure --with-perl --with-python, else you're
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# likely to get errors from associated headers.
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#
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# No output if everything is OK, else compiler errors.
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#
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# src/tools/pginclude/cpluspluscheck
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# Copyright (c) 2009-2020, PostgreSQL Global Development Group
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if [ -z "$1" ]; then
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srcdir="."
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else
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srcdir="$1"
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fi
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if [ -z "$2" ]; then
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builddir="."
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else
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builddir="$2"
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fi
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me=`basename $0`
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# These switches are g++ specific, you may override if necessary.
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CXXFLAGS=${CXXFLAGS:- -fsyntax-only -Wall}
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# Pull some info from configure's results.
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MGLOB="$builddir/src/Makefile.global"
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CPPFLAGS=`sed -n 's/^CPPFLAGS[ ]*=[ ]*//p' "$MGLOB"`
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CXX=`sed -n 's/^CXX[ ]*=[ ]*//p' "$MGLOB"`
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perl_includespec=`sed -n 's/^perl_includespec[ ]*=[ ]*//p' "$MGLOB"`
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python_includespec=`sed -n 's/^python_includespec[ ]*=[ ]*//p' "$MGLOB"`
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# Extract any -I and -D switches from CPPFLAGS.
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# (If necessary, user can pass more switches by presetting EXTRAFLAGS.)
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for flag in $CPPFLAGS; do
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case $flag in
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-I*|-D*) EXTRAFLAGS="$EXTRAFLAGS $flag";;
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esac
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done
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# Create temp directory.
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tmp=`mktemp -d /tmp/$me.XXXXXX`
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trap 'rm -rf $tmp' 0 1 2 3 15
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# Scan all of src/ and contrib/ for header files.
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for f in `cd "$srcdir" && find src contrib -name '*.h' -print`
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do
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# Ignore files that are unportable or intentionally not standalone.
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# These files are platform-specific, and c.h will include the
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# one that's relevant for our current platform anyway.
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test "$f" = src/include/port/aix.h && continue
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test "$f" = src/include/port/cygwin.h && continue
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test "$f" = src/include/port/darwin.h && continue
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test "$f" = src/include/port/freebsd.h && continue
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test "$f" = src/include/port/hpux.h && continue
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test "$f" = src/include/port/linux.h && continue
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test "$f" = src/include/port/netbsd.h && continue
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test "$f" = src/include/port/openbsd.h && continue
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test "$f" = src/include/port/solaris.h && continue
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test "$f" = src/include/port/win32.h && continue
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# Additional Windows-specific headers.
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test "$f" = src/include/port/win32_port.h && continue
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test "$f" = src/include/port/win32/sys/socket.h && continue
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test "$f" = src/include/port/win32_msvc/dirent.h && continue
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test "$f" = src/port/pthread-win32.h && continue
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# Likewise, these files are platform-specific, and the one
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# relevant to our platform will be included by atomics.h.
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test "$f" = src/include/port/atomics/arch-arm.h && continue
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test "$f" = src/include/port/atomics/arch-hppa.h && continue
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test "$f" = src/include/port/atomics/arch-ia64.h && continue
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test "$f" = src/include/port/atomics/arch-ppc.h && continue
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test "$f" = src/include/port/atomics/arch-x86.h && continue
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test "$f" = src/include/port/atomics/fallback.h && continue
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test "$f" = src/include/port/atomics/generic.h && continue
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test "$f" = src/include/port/atomics/generic-acc.h && continue
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test "$f" = src/include/port/atomics/generic-gcc.h && continue
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test "$f" = src/include/port/atomics/generic-msvc.h && continue
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test "$f" = src/include/port/atomics/generic-sunpro.h && continue
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# rusagestub.h is also platform-specific, and will be included
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# by utils/pg_rusage.h if necessary.
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test "$f" = src/include/rusagestub.h && continue
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# sepgsql.h depends on headers that aren't there on most platforms.
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test "$f" = contrib/sepgsql/sepgsql.h && continue
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# These files are not meant to be included standalone, because
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# they contain lists that might have multiple use-cases.
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test "$f" = src/include/access/rmgrlist.h && continue
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test "$f" = src/include/parser/kwlist.h && continue
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test "$f" = src/pl/plpgsql/src/pl_reserved_kwlist.h && continue
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test "$f" = src/pl/plpgsql/src/pl_unreserved_kwlist.h && continue
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test "$f" = src/interfaces/ecpg/preproc/c_kwlist.h && continue
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test "$f" = src/interfaces/ecpg/preproc/ecpg_kwlist.h && continue
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test "$f" = src/include/regex/regerrs.h && continue
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test "$f" = src/pl/plpgsql/src/plerrcodes.h && continue
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test "$f" = src/pl/plpython/spiexceptions.h && continue
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test "$f" = src/pl/tcl/pltclerrcodes.h && continue
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# Also not meant to be included standalone.
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test "$f" = src/include/common/unicode_combining_table.h && continue
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# We can't make these Bison output files compilable standalone
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# without using "%code require", which old Bison versions lack.
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# parser/gram.h will be included by parser/gramparse.h anyway.
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test "$f" = src/include/parser/gram.h && continue
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test "$f" = src/backend/parser/gram.h && continue
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test "$f" = src/pl/plpgsql/src/pl_gram.h && continue
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test "$f" = src/interfaces/ecpg/preproc/preproc.h && continue
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# ppport.h is not under our control, so we can't make it standalone.
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test "$f" = src/pl/plperl/ppport.h && continue
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# regression.h is not actually C, but ECPG code.
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test "$f" = src/interfaces/ecpg/test/regression.h && continue
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# printf_hack.h produces "unused function" warnings.
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test "$f" = src/interfaces/ecpg/test/printf_hack.h && continue
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# pg_trace.h and utils/probes.h can include sys/sdt.h from SystemTap,
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# which itself contains C++ code and so won't compile with a C++
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# compiler under extern "C" linkage.
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test "$f" = src/include/pg_trace.h && continue
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test "$f" = src/include/utils/probes.h && continue
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# pg_dump is not C++-clean because it uses "public" and "namespace"
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# as field names, which is unfortunate but we won't change it now.
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test "$f" = src/bin/pg_dump/compress_io.h && continue
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test "$f" = src/bin/pg_dump/parallel.h && continue
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test "$f" = src/bin/pg_dump/pg_backup_archiver.h && continue
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test "$f" = src/bin/pg_dump/pg_dump.h && continue
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# OK, create .c file to include this .h file.
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{
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echo 'extern "C" {'
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test "$f" != src/include/postgres_fe.h && echo '#include "postgres.h"'
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echo "#include \"$f\""
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echo '};'
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} >$tmp/test.cpp
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# Some subdirectories need extra -I switches.
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case "$f" in
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src/pl/plperl/*)
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EXTRAINCLUDES="$perl_includespec" ;;
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src/pl/plpython/*)
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EXTRAINCLUDES="$python_includespec" ;;
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src/interfaces/ecpg/*)
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EXTRAINCLUDES="-I $builddir/src/interfaces/ecpg/include -I $srcdir/src/interfaces/ecpg/include" ;;
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*)
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EXTRAINCLUDES="" ;;
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esac
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# Run the test.
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${CXX:-g++} -I $builddir -I $srcdir \
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-I $builddir/src/include -I $srcdir/src/include \
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-I $builddir/src/interfaces/libpq -I $srcdir/src/interfaces/libpq \
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$EXTRAINCLUDES $EXTRAFLAGS $CXXFLAGS -c $tmp/test.cpp
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done
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