/
configure.ac
2035 lines (1597 loc) · 61.6 KB
/
configure.ac
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# Configure template for Gambit-C system.
# Copyright (c) 1994-2010 by Marc Feeley, All Rights Reserved.
# Process this file with autoconf to produce a configure script.
AC_INIT(Gambit-C,v4.6.0,gambit@iro.umontreal.ca,gambc-v4_6_0)
AC_CONFIG_HEADERS(include/config.h)
CONFIGURE_COMMAND="$0 $@"
PACKAGE_SHORTNAME="gambc"
AC_SUBST(PACKAGE_SHORTNAME)
AC_SUBST(PACKAGE_NAME)
AC_SUBST(PACKAGE_VERSION)
AC_SUBST(PACKAGE_STRING)
AC_SUBST(PACKAGE_BUGREPORT)
AC_SUBST(PACKAGE_TARNAME)
AC_COPYRIGHT([[Copyright (c) 1994-2010 by Marc Feeley, All Rights Reserved.]])
AC_CONFIG_SRCDIR(include/gambit.h.in)
AC_PREFIX_DEFAULT(/usr/local/$PACKAGE_NAME)
AC_CANONICAL_SYSTEM
###############################################################################
#
# Accumulate subsystems to include in runtime library.
RTLIBSUBSYS=""
###############################################################################
#
# To accumulate flags and definitions for C compilation.
GAMBCLIB_DEFS=""
FLAGS_OBJ=""
FLAGS_DYN=""
FLAGS_LIB=""
FLAGS_EXE=""
FLAGS_OBJ_DYN=""
FLAGS_OBJ_DYN_LIB_EXE=""
FLAGS_DYN_LIB=""
DEFS_OBJ=""
DEFS_DYN="-D___DYNAMIC"
DEFS_LIB=""
DEFS_EXE=""
DEFS_OBJ_DYN_LIB_EXE=""
###############################################################################
#
# Check if the system must be compiled using the C compiler or C++ compiler.
AC_ARG_ENABLE(cplusplus,
AC_HELP_STRING([--enable-cplusplus],
[compile using C++ compiler (default is NO)]),
ENABLE_CPLUSPLUS=$enableval,
ENABLE_CPLUSPLUS=no)
if test "${CFLAGS+set}" != set; then
CFLAGS=""
fi
if test "${CXXFLAGS+set}" != set; then
CXXFLAGS=""
fi
if test "${LDFLAGS+set}" != set; then
LDFLAGS=""
fi
AC_LANG(C)
AC_PROG_CC
AC_PROG_CPP
C_COMPILER=$CC
C_PREPROC=$CPP
if test "$ENABLE_CPLUSPLUS" = yes; then
AC_LANG(C++)
AC_PROG_CXX
AC_PROG_CXXCPP
C_COMPILER=$CXX
C_PREPROC=$CXXCPP
fi
AC_SUBST(C_COMPILER)
AC_SUBST(C_PREPROC)
AC_SUBST(C_COMPILER_MF)
AC_SUBST(C_PREPROC_MF)
AC_SUBST(C_COMPILER_SH)
AC_SUBST(C_PREPROC_SH)
AC_SUBST(C_COMPILER_BAT)
AC_SUBST(C_PREPROC_BAT)
###############################################################################
#
# Check if the system must include GUIDE (Gambit Universal IDE).
AC_ARG_ENABLE(guide,
AC_HELP_STRING([--enable-guide],
[include the Gambit Universal IDE (default is NO)]),
ENABLE_GUIDE=$enableval,
ENABLE_GUIDE=no)
if test "$ENABLE_GUIDE" = yes; then
if test "$ENABLE_CPLUSPLUS" = yes; then
# Determine if Qt is available, if the version is good, etc
ac_qmake='qmake -o conftest.qt /dev/null >&5'
rm -f conftest.qt
if { (eval echo "$as_me:$LINENO: \"$ac_qmake\"") >&5
(eval $ac_qmake) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; then
ac_qt_version_check="grep -q '^# Generated by qmake ([^)]*) (Qt 3\\.3\\..*' conftest.qt"
if { (eval echo "$as_me:$LINENO: \"$ac_qt_version_check\"") >&5
(eval $ac_qt_version_check) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; then
QTINCPATH=`sed -n -e '/^INCPATH[[ ]]*=[[ ]]*\(.*\)/s//\1/p' conftest.qt`
QTLIBS=`sed -n -e '/^LIBS[[ ]]*=[[ ]]*\\\$(SUBLIBS)[[ ]]*\(.*\)/s//\1/p' conftest.qt`
else
qt_version=`sed -n -e '/^# Generated by qmake (\([^)]*\)) (Qt \([0-9]*\.[0-9]*\).*/s//\2/p' conftest.qt`
ENABLE_GUIDE=no
AC_MSG_NOTICE([
************************************************************************
*** The Gambit Universal IDE requires that the system be built using ***
*** the Qt GUI library version 3.3. Version $qt_version of Qt is currently ***
*** installed. ***
************************************************************************
])
fi
else
ENABLE_GUIDE=no
AC_MSG_NOTICE([
************************************************************************
*** The Gambit Universal IDE requires that the system be built using ***
*** the Qt GUI library. This library could not be located. Make ***
*** sure that the program qmake is in your PATH. ***
************************************************************************
])
fi
else
ENABLE_GUIDE=no
AC_MSG_NOTICE([
************************************************************************
*** The Gambit Universal IDE requires that the system be built using ***
*** a C++ compiler. You must specify both "--enable-cplusplus" and ***
*** "--enable-guide" to include the Gambit Universal IDE. ***
************************************************************************
])
fi
fi
if test "$ENABLE_GUIDE" = yes; then
AC_DEFINE(___GUIDE)
AC_SUBST(QTINCPATH)
RTLIBSUBSYS="$RTLIBSUBSYS guide"
LIBS="$LIBS $QTLIBS"
fi
AC_SUBST(ENABLE_GUIDE)
###############################################################################
#
# Check if the system is to be debugged.
AC_ARG_ENABLE(debug,
AC_HELP_STRING([--enable-debug],
[build system so that it can be debugged (default is NO)]),
ENABLE_DEBUG=$enableval,
ENABLE_DEBUG=no)
if test "$ENABLE_DEBUG" = yes; then
AC_DEFINE(___DEBUG)
DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___DEBUG"
fi
###############################################################################
#
# Check if the system is to be profiled.
AC_ARG_ENABLE(profile,
AC_HELP_STRING([--enable-profile],
[build system so that it can be profiled (default is NO)]),
ENABLE_PROFILE=$enableval,
ENABLE_PROFILE=no)
if test "$ENABLE_PROFILE" = yes; then
AC_DEFINE(___PROFILE)
DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___PROFILE"
fi
###############################################################################
#
# Check if the system is to be compiled to accumulate coverage statistics.
AC_ARG_ENABLE(coverage,
AC_HELP_STRING([--enable-coverage],
[build system to accumulate coverage statistics (default is NO)]),
ENABLE_COVERAGE=$enableval,
ENABLE_COVERAGE=no)
###############################################################################
#
# Check if the system is to be compiled with trial run feedback.
AC_ARG_ENABLE(feedback1,
AC_HELP_STRING([--enable-feedback1],
[build system to accumulate trial run data (default is NO)]),
ENABLE_FEEDBACK1=$enableval,
ENABLE_FEEDBACK1=no)
AC_ARG_ENABLE(feedback2,
AC_HELP_STRING([--enable-feedback2],
[build system using trial run feedback (default is NO)]),
ENABLE_FEEDBACK2=$enableval,
ENABLE_FEEDBACK2=no)
###############################################################################
#
# Check if a single C function should be generated for all the Scheme
# functions in a file. This makes the executable much faster but the
# compilation will be much longer and take much more memory.
AC_ARG_ENABLE(single-host,
AC_HELP_STRING([--enable-single-host],
[compile each Scheme module as a single C function (default is NO)]),
ENABLE_SINGLE_HOST=$enableval,
ENABLE_SINGLE_HOST=no)
if test "$ENABLE_SINGLE_HOST" = yes; then
AC_DEFINE(___SINGLE_HOST)
DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___SINGLE_HOST"
fi
###############################################################################
#
# Check if inline code should be generated for jumps. It is possible
# that on some platforms this will result in a faster but larger
# executable program.
AC_ARG_ENABLE(inline-jumps,
AC_HELP_STRING([--enable-inline-jumps],
[generate inline code for jumps (default is NO)]),
ENABLE_INLINE_JUMPS=$enableval,
ENABLE_INLINE_JUMPS=no)
if test "$ENABLE_INLINE_JUMPS" = yes; then
AC_DEFINE(___INLINE_JUMPS)
DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___INLINE_JUMPS"
fi
###############################################################################
#
# Check if expensive GCC optimizations should be used. This makes the
# executable faster but the compilation will be much longer and take
# much more memory.
AC_ARG_ENABLE(gcc-opts,
AC_HELP_STRING([--enable-gcc-opts],
[use expensive GCC optimizations (default is NO)]),
ENABLE_GCC_OPTS=$enableval,
ENABLE_GCC_OPTS=no)
###############################################################################
#
# Check the width of Scheme characters.
AC_ARG_ENABLE(char-size,
AC_HELP_STRING([--enable-char-size=N],
[Scheme character size in bytes (default is 4)]),
CHAR_SIZE=$enableval,
CHAR_SIZE=4)
if test "$CHAR_SIZE" = 1; then
CONF_MAX_CHR="0xff"
else
if test "$CHAR_SIZE" = 2; then
CONF_MAX_CHR="0xffff"
else
CONF_MAX_CHR="0x10ffff"
fi
fi
AC_SUBST(CONF_MAX_CHR)
###############################################################################
#
# Check the size of the type "void*". On many systems it is the same
# size as "long". If this isn't the case then define
# ___VOIDSTAR_WIDTH appropriately.
AC_CHECK_SIZEOF(void*)
AC_CHECK_SIZEOF(long)
if test "$ac_cv_sizeof_voidp" != "$ac_cv_sizeof_long"; then
CONF_VOIDSTAR_WIDTH="($ac_cv_sizeof_voidp * ___CHAR_WIDTH)"
else
CONF_VOIDSTAR_WIDTH="___LONG_WIDTH"
fi
AC_SUBST(CONF_VOIDSTAR_WIDTH)
###############################################################################
#
# Check if a shared library must be built.
AC_ARG_ENABLE(shared,
AC_HELP_STRING([--enable-shared],
[build the Scheme runtime system as a shared library (default is NO)]),
ENABLE_SHARED=$enableval,
ENABLE_SHARED=no)
if test "$ENABLE_SHARED" = yes; then
AC_DEFINE(___SHARED)
# don't add to DEFS_OBJ_DYN_LIB_EXE
fi
###############################################################################
#
# Check if only ANSI C headers and libraries should be used.
AC_ARG_ENABLE(ansi-c,
AC_HELP_STRING([--enable-ansi-c],
[link only with ANSI C libraries (default is NO)]),
ANSI_C=$enableval,
ANSI_C=no)
###############################################################################
#
# Check if symbolic links should be used for files not in the
# central installation directory.
AC_ARG_ENABLE(symlinks,
AC_HELP_STRING([--enable-symlinks],
[use symbolic links for installed files not in the central installation directory (default is YES)]),
ENABLE_SYMLINKS=$enableval,
ENABLE_SYMLINKS=no)
###############################################################################
#
# Determine the name to use for the Gambit interpreter and compiler.
AC_ARG_ENABLE(interpreter-name,
AC_HELP_STRING([--enable-interpreter-name=INTERP],
[Name to use for Gambit interpreter (default is gsi)]),
ENABLE_INTERPRETER_NAME=$enableval,
ENABLE_INTERPRETER_NAME="gsi")
AC_ARG_ENABLE(compiler-name,
AC_HELP_STRING([--enable-compiler-name=COMP],
[Name to use for Gambit compiler (default is gsc)]),
ENABLE_COMPILER_NAME=$enableval,
ENABLE_COMPILER_NAME="gsc")
###############################################################################
#
# Check if multiple installed versions are supported.
AC_ARG_ENABLE(multiple-versions,
AC_HELP_STRING([--enable-multiple-versions],
[multiple installed versions are supported (default is NO)]),
ENABLE_MULTIPLE_VERSIONS=$enableval,
ENABLE_MULTIPLE_VERSIONS=no)
###############################################################################
#
# Check if libraries should contain a version number suffix.
ENABLE_VERSIONNED_LIBS=no
# This option does not currently work. Some work is needed to make it
# work properly. Here is the documentation that should go in INSTALL.txt:
#The option --enable-versionned-libs will add a version number suffix
#to the libraries. For example the Gambit v4.3.2 runtime library which
#is normally libgambc.a will be named libgambc-v4_3_2.a and it must be
#linked to with the C compiler option -lgambc-v4_3_2 . If you give
#this option a value, as in --enable-versionned-libs=<suffix> then
#<suffix> will be appended to the name of the libraries.
#AC_ARG_ENABLE(versionned-libs,
# AC_HELP_STRING([--enable-versionned-libs],
# [libraries should contain a version number suffix (default is NO)]),
# ENABLE_VERSIONNED_LIBS=$enableval,
# ENABLE_VERSIONNED_LIBS=no)
###############################################################################
#
# Check if shared libraries should be linked to using an absolute path.
AC_ARG_ENABLE(absolute-shared-libs,
AC_HELP_STRING([--enable-absolute-shared-libs],
[shared libraries should be linked to using an absolute path (default is YES)]),
ENABLE_ABSOLUTE_SHARED_LIBS=$enableval,
ENABLE_ABSOLUTE_SHARED_LIBS=yes)
if test "$ENABLE_SHARED" != yes; then
ENABLE_ABSOLUTE_SHARED_LIBS=no
fi
###############################################################################
#
# Determine which browser to use for help.
AC_ARG_ENABLE(help-browser,
AC_HELP_STRING([--enable-help-browser=BROWSER],
[Browser to use for help (default is to search)]),
HELP_BROWSER=$enableval,
HELP_BROWSER="")
###############################################################################
#
# Check for C compiler.
AC_DEFUN(AC_CHECK_C_COMPILER_DEF,
[AC_CACHE_CHECK(whether $C_COMPILER defines [$1], [$2],
[AC_SUBST($2)
rm -f conftest.$ac_ext
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
int
main ()
{
#ifndef $1
choke me
#endif
;
return 0;
}
_ACEOF
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
(eval $ac_link) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; then
$2="yes"
else
$2=""
fi
])])
AC_DEFUN(AC_CHECK_C_COMPILER_OPT,
[AC_CACHE_CHECK(whether $C_COMPILER accepts [$1], [$2],
[AC_SUBST($2)
rm -f conftest.$ac_ext
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
int
main ()
{
return 0;
}
_ACEOF
ac_test_CFLAGS=${CFLAGS+set}
ac_test_CXXFLAGS=${CXXFLAGS+set}
ac_save_CFLAGS=$CFLAGS
ac_save_CXXFLAGS=$CXXFLAGS
CFLAGS="$1$3"
CXXFLAGS="$1$3"
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
(eval $ac_link) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; then
$2=" $1"
else
$2=""
fi
if test "$ac_test_CFLAGS" = set; then
CFLAGS=$ac_save_CFLAGS
fi
if test "$ac_test_CXXFLAGS" = set; then
CXXFLAGS=$ac_save_CXXFLAGS
fi
])])
AC_DEFUN(AC_CHECK_C_COMPILER_CPP_EXPR,
[AC_CACHE_CHECK(how $C_COMPILER's preprocessor evaluates [$1], [$2],
[AC_SUBST($2)
rm -f conftest.$ac_ext
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
int
main ()
{
#if $1
#else
choke me
#endif
;
return 0;
}
_ACEOF
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
(eval $ac_link) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; then
$2="yes"
else
$2=""
fi
])])
AC_CHECK_C_COMPILER_DEF(__GNUC__,C_COMP_GNUC)
AC_CHECK_C_COMPILER_DEF(_MSC_VER,C_COMP_VISUALC)
#AC_CHECK_C_COMPILER_DEF(__WATCOMC__,C_COMP_WATCOMC)
#AC_CHECK_C_COMPILER_DEF(__BORLANDC__,C_COMP_BORLANDC)
###############################################################################
#
# Check for header files.
AC_CHECK_HEADERS(errno.h)
AC_CHECK_HEADERS(float.h)
AC_CHECK_HEADERS(signal.h)
AC_CHECK_HEADERS(stdio.h)
AC_CHECK_HEADERS(stdlib.h)
AC_CHECK_HEADERS(string.h)
AC_CHECK_HEADERS(time.h)
if test "$ANSI_C" = yes; then
# Check if linking to the math library needs some special linker flags.
AC_SEARCH_LIBS(asin,m)
# The following functions should be provided by an ANSI-C conforming
# compiler, but it is safest to double check. If they are not
# available, the system will still compile but some functionality
# will be missing from the Gambit runtime system.
AC_CHECK_FUNCS(getenv)
AC_CHECK_FUNCS(time)
AC_CHECK_FUNCS(clock)
else
AC_CHECK_HEADERS(unistd.h)
AC_CHECK_HEADERS(pwd.h)
AC_CHECK_HEADERS(dirent.h)
AC_CHECK_HEADERS(dlfcn.h)
AC_CHECK_HEADERS(dl.h)
AC_CHECK_HEADERS(sys/dxe.h)
AC_CHECK_HEADERS(mach-o/dyld.h)
AC_CHECK_HEADERS(sys/types.h)
AC_CHECK_HEADERS(sys/time.h)
AC_CHECK_HEADERS(sys/times.h)
AC_CHECK_HEADERS(sys/timeb.h)
AC_CHECK_HEADERS(sys/timers.h)
AC_CHECK_HEADERS(sys/resource.h)
AC_CHECK_HEADERS(sys/stat.h)
AC_CHECK_HEADERS(sys/wait.h)
AC_CHECK_HEADERS(stat.h)
AC_CHECK_HEADERS(netdb.h)
AC_CHECK_HEADERS(grp.h)
#AC_CHECK_HEADERS(windows.h)
#AC_CHECK_HEADERS(io.h)
#AC_CHECK_HEADERS(tchar.h)
AC_CHECK_HEADERS(fpu_control.h)
AC_CHECK_HEADERS(os2.h)
AC_CHECK_HEADERS(dos.h)
AC_CHECK_HEADERS(direct.h)
#AC_CHECK_HEADERS(Retrace.h)
#AC_CHECK_HEADERS(Files.h)
#AC_CHECK_HEADERS(Finder.h)
#AC_CHECK_HEADERS(Errors.h)
#AC_CHECK_HEADERS(Folders.h)
#AC_CHECK_HEADERS(OSUtils.h)
#AC_CHECK_HEADERS(Power.h)
#AC_CHECK_HEADERS(CodeFragments.h)
#AC_CHECK_HEADERS(SIOUX.h)
#AC_CHECK_HEADERS(mac_gui.h)
#AC_CHECK_HEADERS(unix.h)
AC_CHECK_HEADERS(wdefwin.h)
AC_CHECK_HEADERS(tfork.h)
AC_CHECK_HEADERS(curses.h)
AC_CHECK_HEADERS(ncurses.h)
AC_CHECK_HEADERS(netinet/in.h)
AC_CHECK_HEADERS(arpa/inet.h)
AC_CHECK_HEADERS(termios.h)
#AC_CHECK_HEADERS(term.h)
AC_CHECK_HEADERS(pty.h)
AC_CHECK_HEADERS(stropts.h)
AC_CHECK_HEADERS(libutil.h)
AC_CHECK_HEADERS(util.h)
AC_CHECK_HEADERS(sys/fpu.h)
AC_CHECK_HEADERS(fenv.h)
AC_CHECK_HEADERS(fcntl.h)
AC_CHECK_HEADERS(sys/ioctl.h)
AC_CHECK_HEADERS(sys/socket.h)
AC_CHECK_HEADERS(strings.h)
AC_CHECK_HEADERS(memory.h)
AC_CHECK_HEADERS(sys/sysctl.h)
AC_CHECK_HEADERS(crt_externs.h)
if test "$C_COMP_VISUALC" != yes; then
AC_DEFUN([AC_TYPE_SOCKLEN_T],
[AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t,
[
AC_TRY_COMPILE(
[#include <sys/types.h>
#include <sys/socket.h>],
[socklen_t len = 42; return 0;],
ac_cv_type_socklen_t=yes,
ac_cv_type_socklen_t=no)
])
if test $ac_cv_type_socklen_t != yes; then
AC_DEFINE(socklen_t, int)
fi
])
AC_TYPE_SOCKLEN_T
fi
#AC_TYPE_MODE_T
#AC_TYPE_OFF_T
#AC_TYPE_PID_T
#AC_TYPE_SIGNAL
#AC_TYPE_SIZE_T
#AC_TYPE_UID_T
#AC_HEADER_DIRENT
#AC_HEADER_STAT
#AC_HEADER_STDC
#AC_HEADER_SYS_WAIT
#AC_HEADER_TIME
#AC_HEADER_TIOCGWINSZ
#AC_FUNC_SELECT_ARGTYPES
#AC_FUNC_CLOSEDIR_VOID
#AC_FUNC_FSEEKO
#AC_FUNC_STAT
#AC_FUNC_LSTAT
if test "$C_COMP_VISUALC" = yes; then
LIBS="$LIBS Kernel32.Lib User32.Lib Gdi32.Lib WS2_32.Lib"
FLAGS_OBJ="$FLAGS_OBJ -D_WINDOWS"
else
case "$target_os" in
mingw*) # add Windows libraries needed by MinGW
LIBS="$LIBS -lws2_32"
FLAGS_OBJ="$FLAGS_OBJ -D_WINDOWS"
;;
*) # check libraries for other systems
AC_SEARCH_LIBS(asin,m)
AC_SEARCH_LIBS(dlopen,dl)
AC_SEARCH_LIBS(shl_load,dld)
#AC_SEARCH_LIBS(tgetstr,ncurses curses)
#AC_SEARCH_LIBS(tigetstr,ncurses curses)
AC_SEARCH_LIBS(socket,socket)
AC_SEARCH_LIBS(gethostbyname,nsl resolv xnet)
AC_SEARCH_LIBS(hstrerror,resolv)
AC_SEARCH_LIBS(openpty,util)
AC_SEARCH_LIBS(WSAStartup,ws2_32)
;;
esac
fi
AC_CHECK_FUNCS(pipe)
AC_CHECK_FUNCS(socketpair)
AC_CHECK_FUNCS(chdir)
AC_CHECK_FUNCS(execvp)
AC_CHECK_FUNCS(getgrnam)
AC_CHECK_FUNCS(getpid)
AC_CHECK_FUNCS(getppid)
AC_CHECK_FUNCS(getpwnam)
AC_CHECK_FUNCS(ioctl)
AC_CHECK_FUNCS(link)
AC_CHECK_FUNCS(mkdir)
AC_CHECK_FUNCS(mkfifo)
AC_CHECK_FUNCS(opendir)
AC_CHECK_FUNCS(rename)
AC_CHECK_FUNCS(rmdir)
AC_CHECK_FUNCS(socket)
AC_CHECK_FUNCS(stat)
AC_CHECK_FUNCS(stat64)
AC_CHECK_FUNCS(strerror)
AC_CHECK_FUNCS(symlink)
AC_CHECK_FUNCS(sysconf)
AC_CHECK_FUNCS(sysctl)
AC_CHECK_FUNCS(unlink)
AC_CHECK_FUNCS(waitpid)
# The following checks for library functions have been written
# specially to catch the case where they are declared as inline
# functions. This was done when porting to the Android platform,
# but it may be useful for other platforms as well.
# used to be: AC_CHECK_FUNCS(tcgetattr)
AC_DEFUN([AC_CHECK_FUNC_TCGETATTR],
[AC_CACHE_CHECK([for tcgetattr], ac_cv_func_tcgetattr,
[
AC_TRY_COMPILE([
#ifdef HAVE_TERMIOS_H
#include <termios.h>
#endif
],[int fd = 1; struct termios tios; tcgetattr (fd, &tios);],
ac_cv_func_tcgetattr=yes,
ac_cv_func_tcgetattr=no)
])
if test $ac_cv_func_tcgetattr = yes; then
AC_DEFINE(HAVE_TCGETATTR)
fi
])
AC_CHECK_FUNC_TCGETATTR
# used to be: AC_CHECK_FUNCS(sigaction)
AC_DEFUN([AC_CHECK_FUNC_SIGACTION],
[AC_CACHE_CHECK([for sigaction], ac_cv_func_sigaction,
[
AC_TRY_COMPILE([
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
],[struct sigaction sa1, sa2; sigaction (1, &sa1, &sa2);],
ac_cv_func_sigaction=yes,
ac_cv_func_sigaction=no)
])
if test $ac_cv_func_sigaction = yes; then
AC_DEFINE(HAVE_SIGACTION)
fi
])
AC_CHECK_FUNC_SIGACTION
# used to be: AC_CHECK_FUNCS(sigemptyset)
# AC_CHECK_FUNCS(sigaddset)
AC_DEFUN([AC_CHECK_FUNC_SIGSET],
[AC_CACHE_CHECK([for sigemptyset/sigaddset], ac_cv_func_sigset,
[
AC_TRY_COMPILE([
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
],[sigset_t ss; sigemptyset (&ss); sigaddset (&ss, 1);],
ac_cv_func_sigset=yes,
ac_cv_func_sigset=no)
])
if test $ac_cv_func_sigset = yes; then
AC_DEFINE(HAVE_SIGEMPTYSET)
AC_DEFINE(HAVE_SIGADDSET)
fi
])
AC_CHECK_FUNC_SIGSET
# used to be: AC_CHECK_FUNCS(sigprocmask)
AC_DEFUN([AC_CHECK_FUNC_SIGPROCMASK],
[AC_CACHE_CHECK([for sigprocmask], ac_cv_func_sigprocmask,
[
AC_TRY_COMPILE([
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
],[sigset_t ss1, ss2; sigemptyset (&ss1); sigaddset (&ss1, 1); sigprocmask (SIG_BLOCK, &ss1, &ss2);],
ac_cv_func_sigprocmask=yes,
ac_cv_func_sigprocmask=no)
])
if test $ac_cv_func_sigprocmask = yes; then
AC_DEFINE(HAVE_SIGPROCMASK)
fi
])
AC_CHECK_FUNC_SIGPROCMASK
# used to be: AC_CHECK_FUNCS(signal)
AC_DEFUN([AC_CHECK_FUNC_SIGNAL],
[AC_CACHE_CHECK([for signal], ac_cv_func_signal,
[
AC_TRY_COMPILE([
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
],[signal (1, SIG_DFL);],
ac_cv_func_signal=yes,
ac_cv_func_signal=no)
])
if test $ac_cv_func_signal = yes; then
AC_DEFINE(HAVE_SIGNAL)
fi
])
AC_CHECK_FUNC_SIGNAL
AC_DEFUN([AC_CHECK_ENVIRON],
[AC_CACHE_CHECK([for environ], ac_cv_environ,
[
AC_TRY_COMPILE([
#ifdef __cplusplus
extern "C" {
#endif
extern char **environ;
#ifdef __cplusplus
}
#endif
],[char *arg0 = *environ;],
ac_cv_environ=yes,
ac_cv_environ=no)
])
if test $ac_cv_environ = yes; then
AC_DEFINE(HAVE_ENVIRON)
fi
])
AC_CHECK_ENVIRON
AC_DEFUN([AC_CHECK__NSGETENVIRON],
[AC_CACHE_CHECK([for _NSGetEnviron], ac_cv__NSGetEnviron,
[
AC_TRY_COMPILE([
#ifdef HAVE_CRT_EXTERNS_H
#include <crt_externs.h>
#endif
],[char *arg0 = *(*_NSGetEnviron());],
ac_cv__NSGetEnviron=yes,
ac_cv__NSGetEnviron=no)
])
if test $ac_cv__NSGetEnviron = yes; then
AC_DEFINE(HAVE__NSGETENVIRON)
fi
])
AC_CHECK__NSGETENVIRON
AC_CHECK_FUNCS(clock_gettime)
AC_CHECK_FUNCS(getclock)
#AC_CHECK_FUNCS(GetSystemTime)
AC_CHECK_FUNCS(gettimeofday)
AC_CHECK_FUNCS(ftime)
AC_CHECK_FUNCS(time)
AC_CHECK_FUNCS(nanosleep)
#AC_CHECK_FUNCS(Sleep)
AC_CHECK_FUNCS(sleep)
#AC_CHECK_FUNCS(GetProcessTimes)
AC_CHECK_FUNCS(getrusage)
AC_CHECK_FUNCS(times)
AC_CHECK_FUNCS(clock)
AC_CHECK_FUNCS(DosQuerySysInfo)
AC_CHECK_FUNCS(setitimer)
AC_CHECK_FUNCS(dos_setvect)
AC_CHECK_FUNCS(DosStartTimer)
AC_CHECK_FUNCS(VInstall)
#AC_CHECK_FUNCS(CreateThread)
AC_CHECK_FUNCS(shl_load)
#AC_CHECK_FUNCS(LoadLibrary)
AC_CHECK_FUNCS(DosLoadModule)
AC_CHECK_FUNCS(dxe_load)
AC_CHECK_FUNCS(GetDiskFragment)
AC_CHECK_FUNCS(dlopen)
AC_CHECK_FUNCS(NSLinkModule) # has been deprecated by Apple
AC_CHECK_FUNCS(gethostname)
AC_CHECK_FUNCS(inet_pton)
AC_CHECK_FUNCS(getaddrinfo)
AC_CHECK_FUNCS(gethostbyname)
AC_CHECK_FUNCS(gethostbyaddr)
AC_CHECK_FUNCS(getservbyname)
AC_CHECK_FUNCS(getservbyport)
AC_CHECK_FUNCS(getprotobyname)
AC_CHECK_FUNCS(getprotobynumber)
AC_CHECK_FUNCS(getnetbyname)
AC_CHECK_FUNCS(select)
#AC_CHECK_FUNCS(MsgWaitForMultipleObjects)
#AC_CHECK_FUNCS(tgetstr)
#AC_CHECK_FUNCS(tigetstr)
AC_CHECK_FUNCS(openpty)
AC_CHECK_FUNCS(getpt)
AC_CHECK_FUNCS(ptsname)
AC_CHECK_FUNCS(ctermid)
AC_CHECK_FUNCS(isastream)
AC_CHECK_FUNCS(hstrerror)
AC_CHECK_FUNCS(get_fpc_csr)
fi
AC_CHECK_TYPE([struct stat64],
[AC_DEFINE(HAVE_STRUCT_STAT64, 1, [])],
[],
[#include <sys/stat.h>])
###############################################################################
#
# Check which command line options are supported by $C_COMPILER.
if test "$C_COMP_GNUC" = yes; then
########## Using gcc...
# Determine which gcc version is being used.
AC_CHECK_C_COMPILER_CPP_EXPR((__GNUC__*100+__GNUC_MINOR__)>=402&&(__GNUC__*100+__GNUC_MINOR__)<=403,GCC_42_OR_43)
# preprocessor options:
AC_CHECK_C_COMPILER_OPT(-no-cpp-precomp,DASH_no_cpp_precomp)
# debugging options:
AC_CHECK_C_COMPILER_OPT(-Wall,DASH_Wall)
AC_CHECK_C_COMPILER_OPT(-W,DASH_W)
AC_CHECK_C_COMPILER_OPT(-Wno-unused,DASH_Wno_unused)
AC_CHECK_C_COMPILER_OPT(-g,DASH_g)
# profiling options:
AC_CHECK_C_COMPILER_OPT(-p,DASH_p)
AC_CHECK_C_COMPILER_OPT(-pg,DASH_pg)
AC_CHECK_C_COMPILER_OPT(-ftest-coverage,DASH_ftest_coverage)
AC_CHECK_C_COMPILER_OPT(-fprofile-arcs,DASH_fprofile_arcs)
AC_CHECK_C_COMPILER_OPT(-fbranch-probabilities,DASH_fbranch_probabilities)
# optimization options:
AC_CHECK_C_COMPILER_OPT(-O1,DASH_O1)
AC_CHECK_C_COMPILER_OPT(-fno-math-errno,DASH_fno_math_errno)
AC_CHECK_C_COMPILER_OPT(-fschedule-insns2,DASH_fschedule_insns2)
AC_CHECK_C_COMPILER_OPT(-fno-trapping-math,DASH_fno_trapping_math)
AC_CHECK_C_COMPILER_OPT(-fno-strict-aliasing,DASH_fno_strict_aliasing)
AC_CHECK_C_COMPILER_OPT(-fwrapv,DASH_fwrapv)
AC_CHECK_C_COMPILER_OPT(-fomit-frame-pointer,DASH_fomit_frame_pointer)
AC_CHECK_C_COMPILER_OPT(-fno-move-loop-invariants,DASH_fno_move_loop_invariants)
# It isn't clear these are useful:
# AC_CHECK_C_COMPILER_OPT(-fexpensive-optimizations,DASH_fexpensive_optimizations)
# AC_CHECK_C_COMPILER_OPT(-fforce-addr,DASH_fforce_addr)
# AC_CHECK_C_COMPILER_OPT(-fpeephole2,DASH_fpeephole2)
# AC_CHECK_C_COMPILER_OPT(-falign-jumps,DASH_falign_jumps)
# AC_CHECK_C_COMPILER_OPT(-falign-functions,DASH_falign_functions)
# AC_CHECK_C_COMPILER_OPT(-fno-function-cse,DASH_fno_function_cse)
# AC_CHECK_C_COMPILER_OPT(-ftree-copyrename,DASH_ftree_copyrename)
# AC_CHECK_C_COMPILER_OPT(-ftree-fre,DASH_ftree_fre)
# AC_CHECK_C_COMPILER_OPT(-ftree-dce,DASH_ftree_dce)
# AC_CHECK_C_COMPILER_OPT(-fschedule-interblock,DASH_fschedule_interblock)
# AC_CHECK_C_COMPILER_OPT(-fregmove,DASH_fregmove)
# AC_CHECK_C_COMPILER_OPT(-fgcse-las,DASH_fgcse_las)
# AC_CHECK_C_COMPILER_OPT(-freorder-functions,DASH_freorder_functions)
# AC_CHECK_C_COMPILER_OPT(-fcaller-saves,DASH_fcaller_saves)
# AC_CHECK_C_COMPILER_OPT(-fno-if-conversion2,DASH_fno_if_conversion2)
# AC_CHECK_C_COMPILER_OPT(-foptimize-sibling-calls,DASH_foptimize_sibling_calls)
# AC_CHECK_C_COMPILER_OPT(-fcse-skip-blocks,DASH_fcse_skip_blocks)
# AC_CHECK_C_COMPILER_OPT(-funit-at-a-time,DASH_funit_at_a_time)