740 lines
22 KiB
Bash
Executable File
740 lines
22 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) 1992, 1993, 1994, 1997, 1998, 1999 Free Software Foundation
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#
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# This file is part of the GNU IO Library. This library is free
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# software; you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this library; see the file COPYING. If not, write to the Free
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# Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# Written by Per Bothner (bothner@cygnus.com)
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# This is a shell-script that figures out various things about a
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# system, and writes (to stdout) a C-style include files with
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# suitable definitions, including all the standard Posix types.
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# It works by compiling various test programs -- some are run through
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# the C pre-processor, and the output examined.
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# The test programs are only compiled, not executed, so the script
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# should even if you're cross-compiling.
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# It uses $CC (which defaults to cc) to compile C programs (extension .c),
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# and $CXX (which defaults to gcc) to compile C++ programs (extension .C).
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# The shell-script is written for libg++.a.
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# Usage: gen-params [NAME1=name1 ...]
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# - where an assignment (such as size_t="unsigned int" means to
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# use that value, instead of trying to figure it out.
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# Uncomment following line for debugging
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# set -x
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SED=sed
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# Evaluate the arguments (which should be assignments):
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for arg in "$@"; do
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# Quote arg (i.e. FOO=bar => FOO='bar'), then eval it.
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eval `echo "$arg" | ${SED} -e "s|^\(.*\)=\(.*\)|\1='\2'|"`
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done
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macro_prefix=${macro_prefix-"_G_"}
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rootdir=`pwd`/..
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gccdir=${gccdir-${rootdir}/gcc}
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binutilsdir=${binutilsdir-${rootdir}/binutils}
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CC=${CC-`if [ -f ${gccdir}/xgcc ] ; \
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then echo ${gccdir}/xgcc -B${gccdir}/ ; \
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else echo cc ; fi`}
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CXX=${CXX-`if [ -f ${gccdir}/xgcc ] ; \
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then echo ${gccdir}/xgcc -B${gccdir}/ ; \
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else echo gcc ; fi`}
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CPP=${CPP-`echo ${CC} -E`}
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CONFIG_NM=${CONFIG_NM-`if [ -f ${binutilsdir}/nm.new ] ; \
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then echo ${binutilsdir}/nm.new ; \
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else echo nm ; fi`}
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cat <<!EOF!
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/* AUTOMATICALLY GENERATED; DO NOT EDIT! */
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#ifndef ${macro_prefix}config_h
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#define ${macro_prefix}config_h
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!EOF!
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if [ x"${LIB_VERSION}" != "x" ] ; then
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echo "#define ${macro_prefix}LIB_VERSION" '"'${LIB_VERSION}'"'
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fi
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# This program is used to test if the compiler prepends '_' before identifiers.
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# It is also used to check the g++ uses '$' or '.' various places.
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if test -z "${NAMES_HAVE_UNDERSCORE}" \
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|| test -z "${DOLLAR_IN_LABEL}" \
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|| test -z "${VTABLE_LABEL_PREFIX}"; then
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cat >dummy.h <<!EOF!
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#ifdef __GNUG__
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#pragma interface
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#endif
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struct filebuf {
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virtual int foo();
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};
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!EOF!
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cat >dummy.C <<!EOF!
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "dummy.h"
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int filebuf::foo() { return 0; }
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extern "C" int FUNC(int);
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int FUNC(int i) { return i+10; }
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!EOF!
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if ${CXX} -O -c dummy.C ; then
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if test -z "${NAMES_HAVE_UNDERSCORE}" ; then
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if test "`${CONFIG_NM} dummy.o | grep _FUNC`" != ""; then
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NAMES_HAVE_UNDERSCORE=1
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elif test "`${CONFIG_NM} dummy.o | grep FUNC`" != ""; then
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NAMES_HAVE_UNDERSCORE=0
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else
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echo "${CONFIG_NM} failed to find FUNC in dummy.o!" 1>&2; exit -1;
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fi
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fi
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echo "#define ${macro_prefix}NAMES_HAVE_UNDERSCORE ${NAMES_HAVE_UNDERSCORE}"
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if test -z "${VTABLE_LABEL_PREFIX}" ; then
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# Determine how virtual function tables are named. This is fragile,
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# because different nm's produce output in different formats.
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${CONFIG_NM} dummy.o >TMP
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if [ -n "`${SED} -n -e 's/ virtual table/nope/p' <TMP`" ] ; then
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${CONFIG_NM} --no-cplus dummy.o >TMP 2>/dev/null ||
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${CONFIG_NM} --no-demangle dummy.o >TMP 2>/dev/null ||
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${CONFIG_NM} dummy.o >TMP 2>/dev/null
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fi
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# First we look for a pattern that matches historical output from g++.
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# We surround the actual label name by <> to separate it from
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# other nm junk.
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${SED} -n -e 's/_*vt[$_.]7*filebuf/<&>/p' <TMP >dummy.out
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# For paranoia's sake (e.g. if we're using some other C++ compiler)
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# we try a more general pattern, and append the result.
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grep -v foo <TMP \
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| ${SED} -n -e 's/[a-zA-Z0-9_.$]*filebuf[a-zA-Z0-9_.$]*/<&>/p' \
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>>dummy.out
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# Now we get rid of the <>, and any other junk on the nm output line.
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# (We get rid of <filebuf> in case nm included debugging output for
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# class filebuf itself.) On windows32, we also need to delete the
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# unique sections (.data$_vt$*), otherwise we get the wrong result.
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# Finally, we select the first line of the result, and hope that's
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# what we wanted!
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vtab_name=`${SED} -n -e '/<filebuf>/d' \
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-e '/\.data[$_.]<_vt\$7filebuf>/d' \
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-e 's/^.*<\(.*\)>.*$/\1/p' \
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<dummy.out | ${SED} -n -e '1p'`
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case "${vtab_name}" in
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*7filebuf) echo "#define ${macro_prefix}VTABLE_LABEL_HAS_LENGTH 1" ;;
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*) echo "#define ${macro_prefix}VTABLE_LABEL_HAS_LENGTH 0" ;;
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esac
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VTABLE_LABEL_PREFIX=`echo $vtab_name | ${SED} -e 's/7*filebuf//'`
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fi
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echo "#define ${macro_prefix}VTABLE_LABEL_PREFIX" '"'"${VTABLE_LABEL_PREFIX}"'"'
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if [ "${VTABLE_LABEL_PREFIX}" = "__vt_" -o \
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"${VTABLE_LABEL_PREFIX}" = "___vt_" ] ; then
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echo "#define ${macro_prefix}USING_THUNKS"
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fi
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# VTABLE_LABEL_PREFIX_ID is the same as VTABLE_LABEL_PREFIX,
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# but the former is a C identifier, while the latter is a quoted
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# st
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if [ -z ""`echo ${VTABLE_LABEL_PREFIX} | ${SED} -e 's/[a-zA-Z0-9_]//g'` ] ; then
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if [ "${NAMES_HAVE_UNDERSCORE}" = "1" ] ; then
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VTABLE_LABEL_PREFIX=`echo ${VTABLE_LABEL_PREFIX} | ${SED} -e 's/^_//'`
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fi
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echo "#define ${macro_prefix}VTABLE_LABEL_PREFIX_ID ${VTABLE_LABEL_PREFIX}"
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fi
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# if test -n "${DOLLAR_IN_LABEL}" ; then
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# echo "#define ${macro_prefix}DOLLAR_IN_LABEL ${DOLLAR_IN_LABEL}"
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# elif test "`${CONFIG_NM} dummy.o | grep 'vt[$$]7filebuf'`" != ""; then
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# echo "#define ${macro_prefix}DOLLAR_IN_LABEL 1"
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# elif test "`${CONFIG_NM} dummy.o | grep 'vt[.]7filebuf'`" != ""; then
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# echo "#define ${macro_prefix}DOLLAR_IN_LABEL 0"
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# elif test "`${CONFIG_NM} dummy.o | grep 'vtbl__7filebuf'`" != ""; then
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# echo "#define ${macro_prefix}DOLLAR_IN_LABEL 0"
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# else
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# echo "gen-params: ${CONFIG_NM} failed to find vt[.\$]filebuf in dummy.o!" 1>&2; exit 1
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# fi
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else
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# The compile failed for some reason (no C++?)
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echo "gen-params: could not compile dummy.C with ${CXX}" 1>&2; exit 1;
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fi
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fi
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# A little test program to check if struct stat has st_blksize.
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cat >dummy.c <<!EOF!
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#include <sys/types.h>
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#include <sys/stat.h>
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int BLKSIZE(struct stat *st)
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{
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return st->st_blksize;
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}
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!EOF!
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if ${CC} -c dummy.c >/dev/null 2>&1 ; then
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echo "#define ${macro_prefix}HAVE_ST_BLKSIZE 1"
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else
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echo "#define ${macro_prefix}HAVE_ST_BLKSIZE 0"
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fi
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# A little test program to check if the name 'clog' is defined in libm,
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# as it is under DEC UNIX.
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cat >dummy.c <<!EOF!
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int clog;
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main () {}
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!EOF!
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if ${CC} dummy.c -lm 2>&1 >/dev/null | grep clog >/dev/null; then
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echo "#define ${macro_prefix}CLOG_CONFLICT 1"
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fi
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echo ""
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# Next, generate definitions for the standard types (such as mode_t)
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# compatible with those in the standard C header files.
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# It works by a dummy program through the C pre-processor, and then
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# using sed to search for typedefs in the output.
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for hdr in wchar wctype; do
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eval $hdr=0
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cat >dummy.c <<EOF
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#include <${hdr}.h>
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EOF
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if ${CPP} dummy.c >/dev/null 2>&1 ; then eval $hdr=1; fi
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done
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cat >dummy.c <<!EOF!
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#include <sys/types.h>
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#include <stddef.h>
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#ifdef __STDC__
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#include <stdarg.h>
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#else /* !__STDC__ */
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#include <varargs.h>
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#endif /* __STDC__ */
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#include <stdio.h>
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#include <time.h>
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#include <signal.h>
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#ifdef __STDC__
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#include <limits.h>
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#endif
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#if WCHAR == 1
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#include <wchar.h>
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#endif
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#if WCTYPE == 1
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#include <wctype.h>
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#endif
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#ifdef size_t
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typedef size_t Xsize_t;
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#elif defined(__SIZE_TYPE__)
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typedef __SIZE_TYPE__ Xsize_t;
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#endif
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#ifdef ptrdiff_t
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typedef ptrdiff_t Xptrdiff_t;
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#elif defined(__PTRDIFF_TYPE__)
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typedef __PTRDIFF_TYPE__ Xptrdiff_t;
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#endif
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#ifdef wchar_t
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typedef wchar_t Xwchar_t;
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#elif defined(__WCHAR_TYPE__)
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typedef __WCHAR_TYPE__ Xwchar_t;
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#endif
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#ifdef va_list
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typedef va_list XXXva_list;
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#endif
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#ifdef BUFSIZ
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long XBUFSIZ=BUFSIZ;
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#endif
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#ifdef FOPEN_MAX
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long XFOPEN_MAX=FOPEN_MAX;
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#endif
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#ifdef FILENAME_MAX
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long XFILENAME_MAX=FILENAME_MAX;
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#endif
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#ifdef SHRT_MAX
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long XSHRT_MAX=SHRT_MAX;
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#endif
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#ifdef INT_MAX
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long XINT_MAX=INT_MAX;
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#endif
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#ifdef LONG_MAX
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long XLONG_MAX=LONG_MAX;
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#endif
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#ifdef LONG_LONG_MAX
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long XLONG_LONG_MAX=LONG_LONG_MAX;
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#endif
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!EOF!
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if ${CPP} dummy.c -DWCHAR=$wchar -DWCTYPE=$wctype >TMP ; then true
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else
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echo "gen-params: could not invoke ${CPP} on dummy.c" 1>&2 ; exit 1
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fi
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tr ' ' ' ' <TMP >dummy.out
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for TYPE in dev_t clock_t fpos_t gid_t ino_t mode_t nlink_t off_t pid_t ptrdiff_t sigset_t size_t ssize_t time_t uid_t va_list wchar_t wint_t int16_t uint16_t int32_t uint_32_t u_int16_t u_int32_t; do
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eval IMPORTED=\$$TYPE
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if [ -n "${IMPORTED}" ] ; then
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eval "$TYPE='$IMPORTED'"
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else
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t=$TYPE
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VALUE=''
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# Follow `typedef VALUE TYPE' chains, but don't loop indefinitely.
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for iteration in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
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# Search dummy.out for a typedef for X*$t.
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sed_script="
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s/unsigned long long int/_G_ullong/g
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s/long long int/_G_llong/g
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s/unsigned long long/_G_ullong/g
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s/long long/_G_llong/g
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/.*typedef *\\(.*[^ ]\\) *X*$t *;.*/{s||\1|;p;q;}
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/.*typedef *\\(.*[^ a-zA-Z0-9_]\\)X*$t *;.*/{s||\1|;p;q;}
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"
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t=`${SED} -n "$sed_script" <dummy.out`
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case "$t" in
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'')
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break;;
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*)
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# Found a type $t; save it in VALUE.
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VALUE=$t
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# If it won't cause problems in matching,
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# look for a typedef for it in turn.
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case "$VALUE" in
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*.* | */* | *\ * | *\** | *\[* | *\\*) break;;
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esac;;
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esac
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done
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case "$VALUE" in
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?*) eval "$TYPE=\"$VALUE\""
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esac
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fi
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done
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# Look for some standard macros.
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for NAME in BUFSIZ FOPEN_MAX FILENAME_MAX NULL; do
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eval IMPORTED=\$$NAME
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if [ -n "${IMPORTED}" ] ; then
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eval "$NAME='$IMPORTED /* specified */'"
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else
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rm -f TMP
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${SED} -n -e 's| *;|;|g' -e "s|long X${NAME}= *\(.*\);|\1|w TMP" \
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<dummy.out>/dev/null
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# Now select the first definition.
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if [ -s TMP ]; then
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eval "$NAME='"`${SED} -e '2,$d' <TMP`"'"
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fi
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fi
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done
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# These macros must be numerical constants; strip any trailing 'L's.
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for NAME in SHRT_MAX INT_MAX LONG_MAX LONG_LONG_MAX; do
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eval IMPORTED=\$$NAME
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if [ -n "${IMPORTED}" ] ; then
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eval "$NAME='$IMPORTED /* specified */'"
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else
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rm -f TMP
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${SED} -n -e 's| *;|;|g' -e "s|long X${NAME}= *\([0-9]*\)L* *;|\1|w TMP" \
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<dummy.out>/dev/null
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# Now select the first definition.
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if [ -s TMP ]; then
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eval "$NAME='"`${SED} -e '2,$d' <TMP`"'"
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fi
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fi
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done
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# Figure out integral type sizes.
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default_int16='short /* deduction failed */'
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default_int32='long /* deduction failed */'
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INT16=32767
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INT32=2147483647
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if [ "${SHRT_MAX}" = $INT16 ] ; then
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default_int16='short /* deduced */'
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if [ "${LONG_MAX}" = $INT32 ] ; then
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default_int32='long /* deduced */'
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elif [ "${INT_MAX}" = $INT32 ] ; then
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default_int32='int /* deduced */'
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fi
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fi
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[ -n "$u_int16_t" ] && uint16_t="$u_int16_t"
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[ -n "$u_int32_t" ] && uint32_t="$u_int32_t"
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[ -z "$int16_t" ] && int16_t="$default_int16"
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[ -z "$uint16_t" ] && uint16_t="unsigned $int16_t"
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[ -z "$int32_t" ] && int32_t="$default_int32"
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[ -z "$uint32_t" ] && uint32_t="unsigned $int32_t"
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cat <<!EOF!
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#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
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typedef int ${macro_prefix}int8_t __attribute__((__mode__(__QI__)));
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typedef unsigned int ${macro_prefix}uint8_t __attribute__((__mode__(__QI__)));
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typedef int ${macro_prefix}int16_t __attribute__((__mode__(__HI__)));
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typedef unsigned int ${macro_prefix}uint16_t __attribute__((__mode__(__HI__)));
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typedef int ${macro_prefix}int32_t __attribute__((__mode__(__SI__)));
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typedef unsigned int ${macro_prefix}uint32_t __attribute__((__mode__(__SI__)));
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typedef int ${macro_prefix}int64_t __attribute__((__mode__(__DI__)));
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typedef unsigned int ${macro_prefix}uint64_t __attribute__((__mode__(__DI__)));
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#if __GNUC__ > 2 || __GNUC_MINOR__ >= 8
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__extension__ typedef long long ${macro_prefix}llong;
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__extension__ typedef unsigned long long ${macro_prefix}ullong;
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#endif
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#else
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typedef $int16_t ${macro_prefix}int16_t;
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typedef $uint16_t ${macro_prefix}uint16_t;
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typedef $int32_t ${macro_prefix}int32_t;
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typedef $uint32_t ${macro_prefix}uint32_t;
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#endif
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typedef ${clock_t-int /* default */} ${macro_prefix}clock_t;
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typedef ${dev_t-int /* default */} ${macro_prefix}dev_t;
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typedef ${fpos_t-long /* default */} ${macro_prefix}fpos_t;
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typedef ${gid_t-int /* default */} ${macro_prefix}gid_t;
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typedef ${ino_t-int /* default */} ${macro_prefix}ino_t;
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typedef ${mode_t-int /* default */} ${macro_prefix}mode_t;
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typedef ${nlink_t-int /* default */} ${macro_prefix}nlink_t;
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typedef ${off_t-long /* default */} ${macro_prefix}off_t;
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typedef ${pid_t-int /* default */} ${macro_prefix}pid_t;
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#ifndef __PTRDIFF_TYPE__
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#define __PTRDIFF_TYPE__ ${ptrdiff_t-long int /* default */}
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#endif
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typedef __PTRDIFF_TYPE__ ${macro_prefix}ptrdiff_t;
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typedef ${sigset_t-int /* default */} ${macro_prefix}sigset_t;
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#ifndef __SIZE_TYPE__
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#define __SIZE_TYPE__ ${size_t-unsigned long /* default */}
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#endif
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typedef __SIZE_TYPE__ ${macro_prefix}size_t;
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typedef ${time_t-int /* default */} ${macro_prefix}time_t;
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typedef ${uid_t-int /* default */} ${macro_prefix}uid_t;
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typedef ${wchar_t-int /* default */} ${macro_prefix}wchar_t;
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#define ${macro_prefix}BUFSIZ ${BUFSIZ-1024 /* default */}
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#define ${macro_prefix}FOPEN_MAX ${FOPEN_MAX-32 /* default */}
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#define ${macro_prefix}FILENAME_MAX ${FILENAME_MAX-1024 /* default */}
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#if defined (__cplusplus) || defined (__STDC__)
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#define ${macro_prefix}ARGS(ARGLIST) ARGLIST
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#else
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#define ${macro_prefix}ARGS(ARGLIST) ()
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#endif
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#if !defined (__GNUG__) || defined (__STRICT_ANSI__)
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#define ${macro_prefix}NO_NRV
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#endif
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#if !defined (__GNUG__)
|
|
#define _G_NO_EXTERN_TEMPLATES
|
|
#endif
|
|
!EOF!
|
|
|
|
# ssize_t is the signed version of size_t
|
|
if [ -n "${ssize_t}" ] ; then
|
|
echo "typedef ${ssize_t} ${macro_prefix}ssize_t;"
|
|
elif [ -z "${size_t}" ] ; then
|
|
echo "typedef long ${macro_prefix}ssize_t;"
|
|
else
|
|
# Remove "unsigned" from ${size_t} to get ${ssize_t}.
|
|
tmp="`echo ${size_t} | ${SED} -e 's|unsigned||g' -e 's| | |g'`"
|
|
if [ -z "$tmp" ] ; then
|
|
tmp=int
|
|
else
|
|
# check $tmp doesn't conflict with <unistd.h>
|
|
echo "#include <unistd.h>
|
|
extern $tmp read();" >dummy.c
|
|
${CC} -c dummy.c >/dev/null 2>&1 || tmp=int
|
|
fi
|
|
echo "typedef $tmp /* default */ ${macro_prefix}ssize_t;"
|
|
fi
|
|
|
|
# wint_t is often the integral type to which wchar_t promotes.
|
|
if [ -z "${wint_t}" ] ; then
|
|
for TYPE in int 'unsigned int' 'long int' 'long unsigned int'; do
|
|
cat >dummy.C <<!EOF!
|
|
#ifndef __WCHAR_TYPE__
|
|
#define __WCHAR_TYPE__ ${wchar_t-int /* default */}
|
|
#endif
|
|
typedef __WCHAR_TYPE__ ${macro_prefix}wchar_t;
|
|
void foo ($TYPE);
|
|
void foo (double);
|
|
void bar (${macro_prefix}wchar_t w)
|
|
{
|
|
foo (w);
|
|
}
|
|
!EOF!
|
|
if ${CXX} -c dummy.C >/dev/null 2>&1 ; then
|
|
wint_t="$TYPE /* default */"
|
|
break
|
|
fi
|
|
done
|
|
fi
|
|
echo "typedef ${wint_t-int /* wchar_t is broken */} ${macro_prefix}wint_t;"
|
|
|
|
# va_list can cause problems (e.g. some systems have va_list as a struct).
|
|
# Check to see if ${va_list-char*} really is compatible with stdarg.h.
|
|
cat >dummy.C <<!EOF!
|
|
#define X_va_list ${va_list-char* /* default */}
|
|
extern long foo(X_va_list ap); /* Check that X_va_list compiles on its own */
|
|
extern "C" {
|
|
#include <stdarg.h>
|
|
}
|
|
long foo(X_va_list ap) { return va_arg(ap, long); }
|
|
long bar(int i, ...)
|
|
{ va_list ap; long j; va_start(ap, i); j = foo(ap); va_end(ap); return j; }
|
|
!EOF!
|
|
if ${CXX} -c dummy.C >/dev/null 2>&1 ; then
|
|
# Ok: We have something that works.
|
|
echo "typedef ${va_list-char* /* default */} ${macro_prefix}va_list;"
|
|
else
|
|
echo "#define ${macro_prefix}NEED_STDARG_H"
|
|
# Check and see if we have __gnuc_va_list, as we might set up define
|
|
# loops if we use va_list.
|
|
cat >dummy.C <<!EOF!
|
|
#include <stdarg.h>
|
|
long foo(__gnuc_va_list ap) { return va_arg(ap, long); }
|
|
!EOF!
|
|
if ${CXX} -c dummy.C >/dev/null 2>&1 ; then
|
|
echo "#define ${macro_prefix}va_list __gnuc_va_list"
|
|
else
|
|
echo "#define ${macro_prefix}va_list va_list"
|
|
fi
|
|
fi
|
|
|
|
cat >dummy.c <<!EOF!
|
|
#include <signal.h>
|
|
extern int (*signal())();
|
|
extern int dummy (int);
|
|
main()
|
|
{
|
|
int (*oldsig)(int) = signal (1, dummy);
|
|
(void) signal (2, oldsig);
|
|
return 0;
|
|
}
|
|
!EOF!
|
|
if ${CC} -c dummy.c >/dev/null 2>&1 ; then
|
|
echo "#define ${macro_prefix}signal_return_type int"
|
|
else
|
|
echo "#define ${macro_prefix}signal_return_type void"
|
|
fi
|
|
|
|
# check sprintf return type
|
|
|
|
cat >dummy.c <<!EOF!
|
|
#include <stdio.h>
|
|
extern int sprintf(); char buf[100];
|
|
int main() { return sprintf(buf, "%d", 34); }
|
|
!EOF!
|
|
if ${CC} -c dummy.c >/dev/null 2>&1 ; then
|
|
echo "#define ${macro_prefix}sprintf_return_type int"
|
|
else
|
|
echo "#define ${macro_prefix}sprintf_return_type char*"
|
|
fi
|
|
|
|
if test -n "${HAVE_ATEXIT}" ; then
|
|
echo "#define ${macro_prefix}HAVE_ATEXIT ${HAVE_ATEXIT}"
|
|
else
|
|
cat >dummy.c <<!EOF!
|
|
#include <stdlib.h>
|
|
int main()
|
|
{
|
|
atexit (0);
|
|
}
|
|
!EOF!
|
|
if ${CC} dummy.c >/dev/null 2>&1 ; then
|
|
echo "#define ${macro_prefix}HAVE_ATEXIT 1"
|
|
else
|
|
echo "#define ${macro_prefix}HAVE_ATEXIT 0"
|
|
fi
|
|
fi
|
|
|
|
|
|
# *** Check for presence of certain include files ***
|
|
|
|
# check for sys/resource.h
|
|
|
|
if test -n "${HAVE_SYS_RESOURCE}" ; then
|
|
echo "#define ${macro_prefix}HAVE_SYS_RESOURCE ${HAVE_SYS_RESOURCE}"
|
|
else
|
|
cat >dummy.c <<!EOF!
|
|
#include <sys/types.h>
|
|
#include <sys/time.h>
|
|
#include <sys/resource.h>
|
|
int main()
|
|
{
|
|
struct rusage res;
|
|
getrusage(RUSAGE_SELF, &res);
|
|
return (int)(res.ru_utime.tv_sec + (res.ru_utime.tv_usec / 1000000.0));
|
|
}
|
|
!EOF!
|
|
# Note: We link because some systems have sys/resource, but not getrusage().
|
|
if ${CC} dummy.c >/dev/null 2>&1 ; then
|
|
echo "#define ${macro_prefix}HAVE_SYS_RESOURCE 1"
|
|
else
|
|
echo "#define ${macro_prefix}HAVE_SYS_RESOURCE 0"
|
|
fi
|
|
fi
|
|
|
|
# check for struct tms in sys/times.h
|
|
|
|
if test -n "${HAVE_SYS_TIMES}" ; then
|
|
echo "#define ${macro_prefix}HAVE_SYS_TIMES ${HAVE_SYS_TIMES}"
|
|
else
|
|
cat >dummy.c <<!EOF!
|
|
#include <sys/types.h>
|
|
#include <sys/times.h>
|
|
int main()
|
|
{
|
|
struct tms s;
|
|
return s.tms_utime;
|
|
}
|
|
!EOF!
|
|
if ${CC} -c dummy.c >/dev/null 2>&1 ; then
|
|
echo "#define ${macro_prefix}HAVE_SYS_TIMES 1"
|
|
else
|
|
echo "#define ${macro_prefix}HAVE_SYS_TIMES 0"
|
|
fi
|
|
fi
|
|
|
|
# check for sys/socket.h
|
|
|
|
if test -n "${HAVE_SYS_SOCKET}" ; then
|
|
echo "#define ${macro_prefix}HAVE_SYS_SOCKET ${HAVE_SYS_SOCKET}"
|
|
else
|
|
echo '#include <sys/types.h>' >dummy.c
|
|
echo '#include <sys/socket.h>' >>dummy.c
|
|
if ${CC} -c dummy.c >/dev/null 2>&1 ; then
|
|
echo "#define ${macro_prefix}HAVE_SYS_SOCKET 1"
|
|
else
|
|
echo "#define ${macro_prefix}HAVE_SYS_SOCKET 0"
|
|
fi
|
|
fi
|
|
|
|
# check for sys/cdefs.h
|
|
|
|
if test -n "${HAVE_SYS_CDEFS}" ; then
|
|
echo "#define ${macro_prefix}HAVE_SYS_CDEFS ${HAVE_SYS_CDEFS}"
|
|
else
|
|
echo '#include <sys/cdefs.h>' >dummy.c
|
|
echo 'extern int myfunc __P((int, int));' >>dummy.c
|
|
if ${CC} -c dummy.c >/dev/null 2>&1 ; then
|
|
echo "#define ${macro_prefix}HAVE_SYS_CDEFS 1"
|
|
else
|
|
echo "#define ${macro_prefix}HAVE_SYS_CDEFS 0"
|
|
fi
|
|
fi
|
|
|
|
# Check for a (Posix-compatible) sys/wait.h */
|
|
|
|
if test -n "${HAVE_SYS_WAIT}" ; then
|
|
echo "#define ${macro_prefix}HAVE_SYS_WAIT ${HAVE_SYS_WAIT}"
|
|
else
|
|
cat >dummy.c <<!EOF!
|
|
#include <sys/types.h>
|
|
#include <sys/wait.h>
|
|
int f() { int i; wait(&i); return i; }
|
|
!EOF!
|
|
if ${CC} -c dummy.c >/dev/null 2>&1 ; then
|
|
echo "#define ${macro_prefix}HAVE_SYS_WAIT 1"
|
|
else
|
|
echo "#define ${macro_prefix}HAVE_SYS_WAIT 0"
|
|
fi
|
|
fi
|
|
|
|
if test -n "${HAVE_UNISTD}" ; then
|
|
echo "#define ${macro_prefix}HAVE_UNISTD ${HAVE_UNISTD}"
|
|
else
|
|
echo '#include <unistd.h>' >dummy.c
|
|
if ${CC} -c dummy.c >/dev/null 2>&1 ; then
|
|
echo "#define ${macro_prefix}HAVE_UNISTD 1"
|
|
else
|
|
echo "#define ${macro_prefix}HAVE_UNISTD 0"
|
|
fi
|
|
fi
|
|
|
|
if test -n "${HAVE_DIRENT}" ; then
|
|
echo "#define ${macro_prefix}HAVE_DIRENT ${HAVE_DIRENT}"
|
|
else
|
|
echo '#include <sys/types.h>
|
|
#include <dirent.h>' >dummy.c
|
|
if ${CC} -c dummy.c >/dev/null 2>&1 ; then
|
|
echo "#define ${macro_prefix}HAVE_DIRENT 1"
|
|
else
|
|
echo "#define ${macro_prefix}HAVE_DIRENT 0"
|
|
fi
|
|
fi
|
|
|
|
if test -n "${HAVE_CURSES}" ; then
|
|
echo "#define ${macro_prefix}HAVE_CURSES ${HAVE_CURSES}"
|
|
else
|
|
echo '#include <curses.h>' >dummy.c
|
|
if ${CC} -c dummy.c >/dev/null 2>&1 ; then
|
|
echo "#define ${macro_prefix}HAVE_CURSES 1"
|
|
else
|
|
echo "#define ${macro_prefix}HAVE_CURSES 0"
|
|
fi
|
|
fi
|
|
|
|
# There is no test for this at the moment; it is just set by the
|
|
# configuration files.
|
|
if test -n "${MATH_H_INLINES}" ; then
|
|
echo "#define ${macro_prefix}MATH_H_INLINES ${MATH_H_INLINES}"
|
|
else
|
|
echo "#define ${macro_prefix}MATH_H_INLINES 0"
|
|
fi
|
|
|
|
if test -n "${HAVE_BOOL}" ; then
|
|
echo "#define ${macro_prefix}HAVE_BOOL ${HAVE_BOOL}"
|
|
else
|
|
echo 'bool i=true,j=false;' >dummy.C
|
|
if ${CXX} -c dummy.C >/dev/null 2>&1 ; then
|
|
echo "#define ${macro_prefix}HAVE_BOOL 1"
|
|
else
|
|
echo "#define ${macro_prefix}HAVE_BOOL 0"
|
|
fi
|
|
fi
|
|
|
|
if test -n "${NO_USE_DTOA}" ; then
|
|
echo "#define ${macro_prefix}NO_USE_DTOA 1"
|
|
fi
|
|
if test -n "${USE_INT32_FLAGS}" ; then
|
|
echo "#define ${macro_prefix}USE_INT32_FLAGS 1"
|
|
fi
|
|
|
|
# A little test program to check if __printf_fp is available.
|
|
cat >dummy.c <<EOF
|
|
int main()
|
|
{
|
|
return __printf_fp ();
|
|
}
|
|
EOF
|
|
|
|
if ${CC} dummy.c >/dev/null 2>&1 ; then
|
|
echo "#define ${macro_prefix}HAVE_PRINTF_FP 1"
|
|
echo "#define ${macro_prefix}HAVE_LONG_DOUBLE_IO 1"
|
|
else
|
|
echo "#define ${macro_prefix}HAVE_PRINTF_FP 0"
|
|
echo "#define ${macro_prefix}HAVE_LONG_DOUBLE_IO 0"
|
|
fi
|
|
|
|
# Uncomment the following line if you don't have working templates.
|
|
# echo "#define ${macro_prefix}NO_TEMPLATES"
|
|
|
|
# Override bogus definitions of NULL in system headers.
|
|
cat <<EOF
|
|
#undef NULL
|
|
#define __need_NULL
|
|
#include <stddef.h>
|
|
EOF
|
|
|
|
rm -f dummy.C dummy.o dummy.c dummy.out TMP core a.out
|
|
|
|
echo "#endif /* !${macro_prefix}config_h */"
|