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configure.ac
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# Configure template for Gambit system.
# Copyright (c) 1994-2021 by Marc Feeley, All Rights Reserved.
# Process this file with autoconf to produce a configure script.
AC_INIT(Gambit,v4.9.4,[email protected],gambit-v4_9_4)
AC_CONFIG_HEADERS(include/config.h)
PACKAGE_SHORTNAME="gambit"
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) 1994-2020 by Marc Feeley, All Rights Reserved.]])
AC_CONFIG_SRCDIR(include/gambit.h.in)
AC_PREFIX_DEFAULT(`if test -d "C:" ; then
echo "C:/Program Files/$PACKAGE_NAME" ;
else
echo "/usr/local/$PACKAGE_NAME" ;
fi`)
# This replace AC_CANONICAL_SYSTEM
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
###############################################################################
#
# Accumulate subsystems to include in runtime library.
RTLIBSUBSYS=""
RTLIBMAKEFILES=""
###############################################################################
#
# To accumulate flags and definitions for C compilation.
GAMBITLIB_DEFS=""
FLAGS_OBJ=""
FLAGS_DYN=""
FLAGS_LIB=""
FLAGS_EXE=""
FLAGS_OBJ_DYN=""
FLAGS_OBJ_DYN_LIB_EXE=""
FLAGS_DYN_LIB=""
FLAGS_OPT=""
FLAGS_OPT_RTS=""
DEFS_OBJ=""
DEFS_DYN="-D___DYNAMIC"
DEFS_LIB=""
DEFS_EXE=""
DEFS_OBJ_DYN_LIB_EXE=""
if test "${COMPILATION_OPTIONS+set}" != set; then
COMPILATION_OPTIONS=""
fi
RTLIB_COND_EXPAND_FEATURES=""
userlibdir="~/.gambit_userlib"
instlibdir="~~userlib"
###############################################################################
#
# To accumulate flags to propagate to bootstrap configure script.
BOOTSTRAP_CONFIGURE_FLAGS=""
AC_SUBST(BOOTSTRAP_CONFIGURE_FLAGS)
###############################################################################
#
# Use GNU features when available.
AC_DEFINE([_GNU_SOURCE],[],[Use GNU features when available])
###############################################################################
#
# Check if the system must be compiled using the C compiler or C++ compiler.
AC_ARG_ENABLE(cplusplus,
AS_HELP_STRING([--enable-cplusplus],
[compile using C++ compiler (default is NO)]),
ENABLE_CPLUSPLUS=$enableval,
ENABLE_CPLUSPLUS=no)
if test "${CFLAGS+set}" != set; then
CFLAGS=""
fi
if test "${CXXFLAGS+set}" != set; then
CXXFLAGS=""
fi
if test "${LDFLAGS+set}" != set; then
LDFLAGS=""
fi
case "$target_os" in
darwin*) if test "$CC" = ""; then
SEARCH_LIST_FOR_CC="i686-apple-darwin11-gcc-4.2.1 i686-apple-darwin10-gcc-4.2.1 gcc clang"
for cc in $SEARCH_LIST_FOR_CC; do
AC_CHECK_PROG(HAVE_SPECIAL_CC, $cc, yes)
if test "$HAVE_SPECIAL_CC" = yes; then
CC=$cc
break
fi
unset ac_cv_prog_HAVE_SPECIAL_CC
done
fi
if test "$CXX" = "" -a "$ENABLE_CPLUSPLUS" = yes; then
SEARCH_LIST_FOR_CXX="i686-apple-darwin11-g++-4.2.1 i686-apple-darwin10-g++-4.2.1 g++ clang++"
for cxx in $SEARCH_LIST_FOR_CXX; do
AC_CHECK_PROG(HAVE_SPECIAL_CXX, $cxx, yes)
if test "$HAVE_SPECIAL_CXX" = yes; then
CXX=$cxx
break
fi
unset ac_cv_prog_HAVE_SPECIAL_CXX
done
fi
;;
esac
AC_LANG(C)
AC_PROG_CC
AC_PROG_CPP
C_COMPILER=$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
# Don't search for pkg-config, just assume it is in the path
#AC_PATH_PROG(PKG_CONFIG, pkg-config, , $PATH:/usr/bin:/usr/bin/X11:/usr/local/bin)
PKG_CONFIG="pkg-config"
AC_SUBST(C_COMPILER)
AC_SUBST(C_PREPROC)
AC_SUBST(PKG_CONFIG)
AC_SUBST(C_COMPILER_MF)
AC_SUBST(C_PREPROC_MF)
AC_SUBST(PKG_CONFIG_MF)
AC_SUBST(C_COMPILER_SH)
AC_SUBST(C_PREPROC_SH)
AC_SUBST(PKG_CONFIG_SH)
AC_SUBST(C_COMPILER_BAT)
AC_SUBST(C_PREPROC_BAT)
AC_SUBST(PKG_CONFIG_BAT)
###############################################################################
#
# Check if the system must include GUIDE (Gambit Universal IDE).
AC_ARG_ENABLE(guide,
AS_HELP_STRING([--enable-guide],
[include the Gambit Universal IDE (default is NO)]),
ENABLE_GUIDE=$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],[],[Enable GUIDE])
AC_SUBST(QTINCPATH)
RTLIBSUBSYS="$RTLIBSUBSYS guide"
RTLIBMAKEFILES="$RTLIBMAKEFILES lib/guide/guidepro lib/guide/makefile lib/guide/images/makefile"
LIBS="$LIBS $QTLIBS"
fi
AC_SUBST(ENABLE_GUIDE)
###############################################################################
#
# Check if a specific C optimization level should be used. An
# optimization level of -O1 will be used by default.
AC_ARG_ENABLE(c-opt,
AS_HELP_STRING([--enable-c-opt@<:@=level@:>@],
[use higher C optimization level (default is NO)]),
ENABLE_C_OPT=$enableval,
ENABLE_C_OPT=no)
###############################################################################
#
# Check if a specific C optimization level should be used for the RTS. An
# optimization level of -O3 (if that is available from the compiler) will be
# used by default. If the option is omitted, we treat that as "yes".
AC_ARG_ENABLE(c-opt-rts,
AS_HELP_STRING([--enable-c-opt-rts@<:@=level@:>@],
[use specified C optimization level for the RTS (default is the highest supported by the compiler)]),
ENABLE_C_OPT_RTS=$enableval,
ENABLE_C_OPT_RTS=yes)
###############################################################################
#
# Check if position independent code should be generated (this is usually
# enabled but can cause problems in some situations so this is mostly intended
# as a way to disable it).
AC_ARG_ENABLE(pic,
AS_HELP_STRING([--enable-pic],
[build system with position independent code (default is YES)]),
ENABLE_PIC=$enableval,
ENABLE_PIC=yes)
###############################################################################
#
# Check if the system is to be debugged.
AC_ARG_ENABLE(debug,
AS_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
BOOTSTRAP_CONFIGURE_FLAGS="$BOOTSTRAP_CONFIGURE_FLAGS --enable-debug"
fi
# Check if a debugging log file (gambit.log) should be generated.
AC_ARG_ENABLE(debug-log,
AS_HELP_STRING([--enable-debug-log],
[build system so that it generates a debugging log file (default is NO)]),
ENABLE_DEBUG_LOG=$enableval,
ENABLE_DEBUG_LOG=no)
if test "$ENABLE_DEBUG_LOG" = yes; then
BOOTSTRAP_CONFIGURE_FLAGS="$BOOTSTRAP_CONFIGURE_FLAGS --enable-debug-log"
fi
# Check if a C backtrace should be produced when a program crashes.
AC_ARG_ENABLE(debug-c-backtrace,
AS_HELP_STRING([--enable-debug-c-backtrace],
[build system so that it generates a C backtrace when a program crashes (default is NO)]),
ENABLE_DEBUG_C_BACKTRACE=$enableval,
ENABLE_DEBUG_C_BACKTRACE=no)
if test "$ENABLE_DEBUG_C_BACKTRACE" = yes; then
BOOTSTRAP_CONFIGURE_FLAGS="$BOOTSTRAP_CONFIGURE_FLAGS --enable-debug-c-backtrace"
AC_DEFINE([___DEBUG_C_BACKTRACE],[],[Enable generation of debugging log file])
ENABLE_DEBUG=yes
fi
# Check if debugging of the control flow history is needed.
AC_ARG_ENABLE(debug-ctrl-flow-history,
AS_HELP_STRING([--enable-debug-ctrl-flow-history],
[build system so that it tracks the control flow history (default is NO)]),
ENABLE_DEBUG_CTRL_FLOW_HISTORY=$enableval,
ENABLE_DEBUG_CTRL_FLOW_HISTORY=no)
if test "$ENABLE_DEBUG_CTRL_FLOW_HISTORY" = yes; then
BOOTSTRAP_CONFIGURE_FLAGS="$BOOTSTRAP_CONFIGURE_FLAGS --enable-debug-ctrl-flow-history"
AC_DEFINE([___DEBUG_CTRL_FLOW_HISTORY],[],[Enable debugging of control flow history])
DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___DEBUG_CTRL_FLOW_HISTORY"
ENABLE_DEBUG_LOG=yes
fi
# Check if debugging of the host changes is needed.
AC_ARG_ENABLE(debug-host-changes,
AS_HELP_STRING([--enable-debug-host-changes],
[build system so that it tracks the host changes (default is NO)]),
ENABLE_DEBUG_HOST_CHANGES=$enableval,
ENABLE_DEBUG_HOST_CHANGES=no)
if test "$ENABLE_DEBUG_HOST_CHANGES" = yes; then
BOOTSTRAP_CONFIGURE_FLAGS="$BOOTSTRAP_CONFIGURE_FLAGS --enable-debug-host-changes"
AC_DEFINE([___DEBUG_HOST_CHANGES],[],[Enable debugging of host changes])
DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___DEBUG_HOST_CHANGES"
ENABLE_DEBUG_LOG=yes
fi
# Check if debugging the memory allocations is needed.
AC_ARG_ENABLE(debug-alloc-mem,
AS_HELP_STRING([--enable-debug-alloc-mem],
[build system so that it tracks the memory allocations (default is NO)]),
ENABLE_DEBUG_ALLOC_MEM=$enableval,
ENABLE_DEBUG_ALLOC_MEM=no)
if test "$ENABLE_DEBUG_ALLOC_MEM" = yes; then
BOOTSTRAP_CONFIGURE_FLAGS="$BOOTSTRAP_CONFIGURE_FLAGS --enable-debug-alloc-mem"
AC_DEFINE([___DEBUG_ALLOC_MEM],[],[Enable debugging the memory allocations])
DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___DEBUG_ALLOC_MEM"
ENABLE_DEBUG_LOG=yes
fi
# Check if debugging the garbage collector is needed.
AC_ARG_ENABLE(debug-garbage-collect,
AS_HELP_STRING([--enable-debug-garbage-collect],
[build system so that it detects issues in the garbage collect (default is NO)]),
ENABLE_DEBUG_GARBAGE_COLLECT=$enableval,
ENABLE_DEBUG_GARBAGE_COLLECT=no)
if test "$ENABLE_DEBUG_GARBAGE_COLLECT" = yes; then
BOOTSTRAP_CONFIGURE_FLAGS="$BOOTSTRAP_CONFIGURE_FLAGS --enable-debug-garbage-collect"
AC_DEFINE([___DEBUG_GARBAGE_COLLECT],[],[Enable debugging of garbage collect])
DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___DEBUG_GARBAGE_COLLECT"
ENABLE_DEBUG_LOG=yes
fi
# Turn on debugging.
if test "$ENABLE_DEBUG" = yes; then
AC_DEFINE([___DEBUG],[],[Enable debugging])
DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___DEBUG"
fi
if test "$ENABLE_DEBUG_LOG" = yes; then
AC_DEFINE([___DEBUG_LOG],[],[Enable generation of debugging log file])
fi
###############################################################################
#
# Check if the system should keep an activity log.
AC_ARG_ENABLE(activity-log,
AS_HELP_STRING([--enable-activity-log],
[build system so it keeps an activity log (default is NO)]),
ENABLE_ACTIVITY_LOG=$enableval,
ENABLE_ACTIVITY_LOG=no)
if test "$ENABLE_ACTIVITY_LOG" = yes; then
CONF_ACTIVITY_LOG="___ACTIVITY_LOG"
else
CONF_ACTIVITY_LOG="___NO_ACTIVITY_LOG"
fi
AC_SUBST(CONF_ACTIVITY_LOG)
###############################################################################
#
# Check if the system is to be profiled.
AC_ARG_ENABLE(profile,
AS_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],[],[Enable profiling])
DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___PROFILE"
fi
###############################################################################
#
# Check if the system is to be compiled to accumulate coverage statistics.
AC_ARG_ENABLE(coverage,
AS_HELP_STRING([--enable-coverage],
[build system to accumulate coverage statistics (default is NO)]),
ENABLE_COVERAGE=$enableval,
ENABLE_COVERAGE=no)
###############################################################################
#
# Check if the system is to be compiled with trial run feedback.
AC_ARG_ENABLE(feedback1,
AS_HELP_STRING([--enable-feedback1],
[build system to accumulate trial run data (default is NO)]),
ENABLE_FEEDBACK1=$enableval,
ENABLE_FEEDBACK1=no)
AC_ARG_ENABLE(feedback2,
AS_HELP_STRING([--enable-feedback2],
[build system using trial run feedback (default is NO)]),
ENABLE_FEEDBACK2=$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,
AS_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],[],[Enable single host mode])
DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___SINGLE_HOST"
fi
###############################################################################
#
# Check if the system must support mixing the execution of code generated
# by the C backend and machine code generated by one of the native backends.
AC_ARG_ENABLE(lowlevel-exec,
AS_HELP_STRING([--enable-lowlevel-exec],
[build system so C and machine code can be mixed (default is NO)]),
ENABLE_LOWLEVEL_EXEC=$enableval,
ENABLE_LOWLEVEL_EXEC=no)
if test "$ENABLE_LOWLEVEL_EXEC" = yes; then
AC_DEFINE([___SUPPORT_LOWLEVEL_EXEC],[],[Enable lowlevel code execution])
DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___SUPPORT_LOWLEVEL_EXEC"
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,
AS_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],[],[Enable inlining of jumps])
DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___INLINE_JUMPS"
fi
###############################################################################
#
# Check if code should trust that the C compiler does TCO (tail call
# optimization) properly.
AC_ARG_ENABLE(trust-c-tco,
AS_HELP_STRING([--enable-trust-c-tco],
[trust C compiler does TCO properly (default is NO)]),
ENABLE_TRUST_C_TCO=$enableval,
ENABLE_TRUST_C_TCO=no)
if test "$ENABLE_TRUST_C_TCO" = yes; then
AC_DEFINE([___TRUST_C_TCO],[],[Trust C compiler does TCO properly])
DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___TRUST_C_TCO"
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,
AS_HELP_STRING([--enable-gcc-opts],
[use expensive GCC optimizations (default is NO)]),
ENABLE_GCC_OPTS=$enableval,
ENABLE_GCC_OPTS=no)
###############################################################################
#
# Check if GNU GCC specific options should be used. When the system
# is to be built in a setting where the target C compiler is either
# the GNU GCC or the LLVM GCC it is advisable to avoid using GNU GCC
# specific options that are not accepted by the LLVM GCC compiler
# (this is the case on OS X, where the program "gcc" may be the LLVM
# GCC which is part of Xcode, or the GNU GCC if it was installed
# manually).
AC_ARG_ENABLE(gnu-gcc-specific-options,
AS_HELP_STRING([--enable-gnu-gcc-specific-options],
[use GNU GCC specific options (default is YES)]),
ENABLE_GNU_GCC_SPECIFIC_OPTIONS=$enableval,
ENABLE_GNU_GCC_SPECIFIC_OPTIONS=yes)
AC_ARG_ENABLE(gnu-gcc-no-strict-aliasing,
AS_HELP_STRING([--enable-gnu-gcc-no-strict-aliasing],
[use GNU GCC -fno-strict-aliasing option (default is YES)]),
ENABLE_GNU_GCC_NO_STRICT_ALIASING=$enableval,
ENABLE_GNU_GCC_NO_STRICT_ALIASING=yes)
###############################################################################
#
# Check if system should be built for a specific machine architecture.
# The default, an empty string, will select the architecture the C
# compiler defaults to. Using "native" as the architecture will select
# the architecture being used for the build.
AC_ARG_ENABLE(march,
AS_HELP_STRING([--enable-march=arch],
[build for specific machine architecture (default is native)]),
ENABLE_MARCH=$enableval,
ENABLE_MARCH=no_enable_march)
###############################################################################
#
# Check if direct calls to C library functions should be generated for
# dynamically loaded modules. This typically leads to more efficient
# code by allowing the C compiler to inline C library calls in
# dynamically loaded modules (for example calls to the math functions
# sqrt, sin, etc).
AC_ARG_ENABLE(dynamic-clib,
AS_HELP_STRING([--enable-dynamic-clib],
[allow direct calls to C library in dynamically loaded modules (default is NO)]),
ENABLE_DYNAMIC_CLIB=$enableval,
ENABLE_DYNAMIC_CLIB=no)
if test "$ENABLE_DYNAMIC_CLIB" = yes; then
AC_DEFINE([___CAN_IMPORT_CLIB_DYNAMICALLY],[],[Enable direct calls to C library in dynamically loaded modules])
AC_DEFINE([___CAN_IMPORT_SETJMP_DYNAMICALLY],[],[Enable direct calls to setjmp in dynamically loaded modules])
DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___CAN_IMPORT_CLIB_DYNAMICALLY -D___CAN_IMPORT_SETJMP_DYNAMICALLY"
fi
###############################################################################
#
# Check the width of Scheme characters.
AC_ARG_ENABLE(char-size,
AS_HELP_STRING([--enable-char-size=N],
[Scheme character size in bytes (default is 4)]),
CHAR_SIZE=$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 encoding of filesystem paths.
AC_ARG_ENABLE(path-encoding,
AS_HELP_STRING([--enable-path-encoding=utf8|latin1|ucs2|ucs4|wchar|native],
[Filesystem path encoding (default is ucs2 on Windows and utf8 on other OSes)]),
ENABLE_PATH_ENCODING=$enableval,
ENABLE_PATH_ENCODING=no)
if test "$ENABLE_PATH_ENCODING" = utf8; then
AC_DEFINE([___PATH_ENCODING_UTF8],[],[Select UTF-8 for path encoding])
else
if test "$ENABLE_PATH_ENCODING" = latin1; then
AC_DEFINE([___PATH_ENCODING_LATIN1],[],[Select LATIN-1 for path encoding])
else
if test "$ENABLE_PATH_ENCODING" = ucs2; then
AC_DEFINE([___PATH_ENCODING_UCS2],[],[Select UCS-2 for path encoding])
else
if test "$ENABLE_PATH_ENCODING" = ucs4; then
AC_DEFINE([___PATH_ENCODING_UCS4],[],[Select UCS-4 for path encoding])
else
if test "$ENABLE_PATH_ENCODING" = wchar; then
AC_DEFINE([___PATH_ENCODING_WCHAR],[],[Select WCHAR for path encoding])
else
if test "$ENABLE_PATH_ENCODING" = native; then
AC_DEFINE([___PATH_ENCODING_NATIVE],[],[Select NATIVE for path encoding])
fi
fi
fi
fi
fi
fi
###############################################################################
#
# Determine module search order.
AC_ARG_ENABLE(module-search-order,
AS_HELP_STRING([--enable-module-search-order=...],
[Module search order (default is ~~lib,~~userlib)]),
ENABLE_MODULE_SEARCH_ORDER=$enableval,
ENABLE_MODULE_SEARCH_ORDER=[\~\~lib,\~\~userlib])
DEFAULT_RUNTIME_OPTIONS=""
if test "$ENABLE_MODULE_SEARCH_ORDER" != ""; then
# must reverse order for runtime options
for p in `echo "$ENABLE_MODULE_SEARCH_ORDER" | sed -e 's/,/ /g'`; do
if test "$DEFAULT_RUNTIME_OPTIONS" != ""; then
DEFAULT_RUNTIME_OPTIONS=",$DEFAULT_RUNTIME_OPTIONS"
fi
DEFAULT_RUNTIME_OPTIONS="search=$p$DEFAULT_RUNTIME_OPTIONS"
done
fi
###############################################################################
#
# Determine module whitelist.
AC_ARG_ENABLE(module-whitelist,
AS_HELP_STRING([--enable-module-whitelist=...],
[Module whitelist (default is github.com/gambit)]),
ENABLE_MODULE_WHITELIST=$enableval,
ENABLE_MODULE_WHITELIST=[github.com/gambit])
if test "$ENABLE_MODULE_WHITELIST" != ""; then
MODULE_WHITELIST=`echo "$ENABLE_MODULE_WHITELIST" | sed -e "s/^/whitelist=/" -e "s/,/,whitelist=/g"`
if test "$DEFAULT_RUNTIME_OPTIONS" != ""; then
DEFAULT_RUNTIME_OPTIONS="$DEFAULT_RUNTIME_OPTIONS,"
fi
DEFAULT_RUNTIME_OPTIONS="$DEFAULT_RUNTIME_OPTIONS$MODULE_WHITELIST"
fi
###############################################################################
#
# Determine default runtime options.
AC_ARG_ENABLE(default-runtime-options,
AS_HELP_STRING([--enable-default-runtime-options=...],
[Default runtime options (default is none)]),
ENABLE_DEFAULT_RUNTIME_OPTIONS=$enableval,
ENABLE_DEFAULT_RUNTIME_OPTIONS=)
if test "$ENABLE_DEFAULT_RUNTIME_OPTIONS" != ""; then
if test "$DEFAULT_RUNTIME_OPTIONS" != ""; then
DEFAULT_RUNTIME_OPTIONS=",$DEFAULT_RUNTIME_OPTIONS"
fi
DEFAULT_RUNTIME_OPTIONS="$ENABLE_DEFAULT_RUNTIME_OPTIONS$DEFAULT_RUNTIME_OPTIONS"
fi
if test "$DEFAULT_RUNTIME_OPTIONS" != ""; then
DEFAULT_RUNTIME_OPTIONS=`echo "$DEFAULT_RUNTIME_OPTIONS" | sed -e "s/\(.\)/'\1', /g" -e "s/''', /'\\\\\\\\'', /g" -e "s/'\\\\\\\\', /'\\\\\\\\\\\\\\\\', /g" -e "s/^/{/" -e "s/$/'\\\\\\\\0'}/"`
AC_DEFINE_UNQUOTED([___DEFAULT_RUNTIME_OPTIONS],[$DEFAULT_RUNTIME_OPTIONS],[Select default runtime options])
fi
###############################################################################
#
# Determine default compile options.
AC_ARG_ENABLE(default-compile-options,
AS_HELP_STRING([--enable-default-compile-options=...],
[Default compile options (default is (compactness 9))]),
ENABLE_DEFAULT_COMPILE_OPTIONS=$enableval,
ENABLE_DEFAULT_COMPILE_OPTIONS="(compactness 9)")
if test "$ENABLE_DEFAULT_COMPILE_OPTIONS" != ""; then
DEFAULT_COMPILE_OPTIONS="$ENABLE_DEFAULT_COMPILE_OPTIONS"
else
DEFAULT_COMPILE_OPTIONS=""
fi
if test "$DEFAULT_COMPILE_OPTIONS" != ""; then
DEFAULT_COMPILE_OPTIONS=`echo "$DEFAULT_COMPILE_OPTIONS" | sed -e "s/\(.\)/'\1', /g" -e "s/''', /'\\\\\\\\'', /g" -e "s/'\\\\\\\\', /'\\\\\\\\\\\\\\\\', /g" -e "s/^/{/" -e "s/$/'\\\\\\\\0'}/"`
AC_DEFINE_UNQUOTED([___DEFAULT_COMPILE_OPTIONS],[$DEFAULT_COMPILE_OPTIONS],[Select default compile options])
fi
###############################################################################
#
# Determine targets to build.
AC_ARG_ENABLE(targets,
AS_HELP_STRING([--enable-targets=...],
[Targets to build in addition to C (default is js)]),
ENABLE_TARGETS=$enableval,
ENABLE_TARGETS=js)
BUILD_TARGETS="C"
if test "$ENABLE_TARGETS" != ""; then
for t in `echo "$ENABLE_TARGETS" | sed -e 's/,/ /g'`; do
if test "$t" != "C"; then
BUILD_TARGETS="$BUILD_TARGETS $t"
fi
done
fi
echo BUILD_TARGETS="$BUILD_TARGETS"
###############################################################################
#
# 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="($ac_cv_sizeof_voidp * ___CHAR_WIDTH)"
else
CONF_VOIDSTAR_WIDTH="___LONG_WIDTH"
fi
AC_SUBST(CONF_VOIDSTAR_WIDTH)
###############################################################################
#
# Check for existence of the type "bool". If the compiler does not
# support it, the ___BOOL type will be mapped to "int".
AC_CHECK_TYPE([bool])
if test "$ac_cv_type_bool" = yes; then
CONF_BOOL="bool"
else
CONF_BOOL="int"
fi
AC_SUBST(CONF_BOOL)
###############################################################################
#
# Check if a shared library must be built.
AC_ARG_ENABLE(shared,
AS_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],[],[Enable shared libraries])
# 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,
AS_HELP_STRING([--enable-ansi-c],
[link only with ANSI C libraries (default is NO)]),
ANSI_C=$enableval,
ANSI_C=no)
###############################################################################
#
# Check if symbolic links should be used for files not in the
# central installation directory.
AC_ARG_ENABLE(symlinks,
AS_HELP_STRING([--enable-symlinks],
[use symbolic links for installed files not in the central installation directory (default is YES)]),
ENABLE_SYMLINKS=$enableval,
ENABLE_SYMLINKS=no)
###############################################################################
#
# Determine the path of the Gambit central installation directory.
AC_ARG_ENABLE(gambitdir,
AS_HELP_STRING([--enable-gambitdir=DIR],
[Path to use for the Gambit central installation directory (default is to use --prefix)]),
ENABLE_GAMBITDIR=$enableval,
ENABLE_GAMBITDIR=)
###############################################################################
#
# Determine the name to use for the Gambit interpreter and compiler.
AC_ARG_ENABLE(interpreter-name,
AS_HELP_STRING([--enable-interpreter-name=INTERP],
[Name to use for Gambit interpreter (default is gsi)]),
ENABLE_INTERPRETER_NAME=$enableval,
ENABLE_INTERPRETER_NAME="gsi")
AC_ARG_ENABLE(compiler-name,
AS_HELP_STRING([--enable-compiler-name=COMP],
[Name to use for Gambit compiler (default is gsc)]),
ENABLE_COMPILER_NAME=$enableval,
ENABLE_COMPILER_NAME="gsc")
###############################################################################
#
# Check if multiple installed versions are supported.
AC_ARG_ENABLE(multiple-versions,
AS_HELP_STRING([--enable-multiple-versions],
[multiple installed versions are supported (default is NO)]),
ENABLE_MULTIPLE_VERSIONS=$enableval,
ENABLE_MULTIPLE_VERSIONS=no)
###############################################################################
#
# Check if shared libraries should be linked to using an absolute path.
AC_ARG_ENABLE(absolute-shared-libs,
AS_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
###############################################################################
#
# Check if library names should contain a version number suffix.
AC_ARG_ENABLE(versioned-shared-libs,
AS_HELP_STRING([--enable-versioned-shared-libs],
[library names should contain a version number suffix (default is NO)]),
ENABLE_VERSIONED_SHARED_LIBS=$enableval,
ENABLE_VERSIONED_SHARED_LIBS=no)
###############################################################################
#
# Check if library names should contain a special suffix.
AC_ARG_ENABLE(lib-suffix,
AS_HELP_STRING([--enable-lib-suffix],
[library names should contain a suffix before the extension (default is NO)]),
LIB_SUFFIX=$enableval,
LIB_SUFFIX=no)
if test "$LIB_SUFFIX" = no; then
LIB_SUFFIX=""
else
if test "$LIB_SUFFIX" = yes; then
LIB_SUFFIX="-`echo $PACKAGE_VERSION | sed -e 's/\./_/g'`"
fi
fi
###############################################################################
#
# Determine which browser to use for help.
AC_ARG_ENABLE(help-browser,
AS_HELP_STRING([--enable-help-browser=BROWSER],
[Browser to use for help (default is to search)]),
HELP_BROWSER=$enableval,
HELP_BROWSER="")
###############################################################################
#
# Check if the system must perform type checking.
AC_ARG_ENABLE(type-checking,
AS_HELP_STRING([--enable-type-checking],
[perform type checking (default is YES)]),
ENABLE_TYPE_CHECKING=$enableval,
ENABLE_TYPE_CHECKING=yes)
if test "$ENABLE_TYPE_CHECKING" = yes; then
RTLIB_COND_EXPAND_FEATURES="$RTLIB_COND_EXPAND_FEATURES(define-cond-expand-feature|enable-type-checking|)"
else
RTLIB_COND_EXPAND_FEATURES="$RTLIB_COND_EXPAND_FEATURES(define-cond-expand-feature|disable-type-checking|)"
fi
###############################################################################
#
# Check if the system must automatically force promises.
AC_ARG_ENABLE(auto-forcing,
AS_HELP_STRING([--enable-auto-forcing],
[automatically force promises (default is NO)]),
ENABLE_AUTO_FORCING=$enableval,
ENABLE_AUTO_FORCING=no)
if test "$ENABLE_AUTO_FORCING" = yes; then
RTLIB_COND_EXPAND_FEATURES="$RTLIB_COND_EXPAND_FEATURES(define-cond-expand-feature|enable-auto-forcing|)"
else
RTLIB_COND_EXPAND_FEATURES="$RTLIB_COND_EXPAND_FEATURES(define-cond-expand-feature|disable-auto-forcing|)"
fi
###############################################################################
#
# Check if the system must support the #.<expression> syntax.
AC_ARG_ENABLE(sharp-dot,
AS_HELP_STRING([--enable-sharp-dot],
[support #.<expression> syntax (default is YES)]),
ENABLE_SHARP_DOT=$enableval,
ENABLE_SHARP_DOT=yes)
if test "$ENABLE_SHARP_DOT" = yes; then
RTLIB_COND_EXPAND_FEATURES="$RTLIB_COND_EXPAND_FEATURES(define-cond-expand-feature|enable-sharp-dot|)"
else
RTLIB_COND_EXPAND_FEATURES="$RTLIB_COND_EXPAND_FEATURES(define-cond-expand-feature|disable-sharp-dot|)"
fi
###############################################################################
#
# Check which numerical types need to be supported.
AC_ARG_ENABLE(bignum,
AS_HELP_STRING([--enable-bignum],
[support infinite precision integers (default is YES)]),
ENABLE_BIGNUM=$enableval,
ENABLE_BIGNUM=yes)
if test "$ENABLE_BIGNUM" = yes; then
RTLIB_COND_EXPAND_FEATURES="$RTLIB_COND_EXPAND_FEATURES(define-cond-expand-feature|enable-bignum|)"
else
RTLIB_COND_EXPAND_FEATURES="$RTLIB_COND_EXPAND_FEATURES(define-cond-expand-feature|disable-bignum|)"
fi
AC_ARG_ENABLE(ratnum,
AS_HELP_STRING([--enable-ratnum],
[support exact rational numbers (default is YES)]),
ENABLE_RATNUM=$enableval,
ENABLE_RATNUM=yes)
if test "$ENABLE_RATNUM" = yes; then
RTLIB_COND_EXPAND_FEATURES="$RTLIB_COND_EXPAND_FEATURES(define-cond-expand-feature|enable-ratnum|)"
else
RTLIB_COND_EXPAND_FEATURES="$RTLIB_COND_EXPAND_FEATURES(define-cond-expand-feature|disable-ratnum|)"