configure.in

ncurses-5.4

AC_MSG_CHECKING(whether to add trace feature to all models)
AC_ARG_WITH(trace,
[  --with-trace            test: add trace() function to all models of ncurses],
[cf_with_trace=$withval],
[cf_with_trace=$cf_all_traces])
AC_MSG_RESULT($with_trace)

if test "$cf_with_trace" = yes ; then
	LIB_TRACING=all
	ADA_TRACE=TRUE
	CF_ADD_CFLAGS(-DTRACE)
else
	LIB_TRACING=DEBUG
	ADA_TRACE=FALSE
fi

AC_SUBST(ADA_TRACE)

###	Checks for libraries.
AC_CHECK_FUNC(gettimeofday,
	AC_DEFINE(HAVE_GETTIMEOFDAY),[

AC_CHECK_LIB(bsd, gettimeofday,
	AC_DEFINE(HAVE_GETTIMEOFDAY)
	LIBS="$LIBS -lbsd")])dnl CLIX: bzero, select, gettimeofday

CF_MATH_LIB(MATH_LIB,sin(x))
AC_SUBST(MATH_LIB)

###	Checks for header files.
AC_STDC_HEADERS
AC_HEADER_DIRENT
AC_HEADER_TIME
CF_REGEX

dnl These are some other potentially nonportable headers.
AC_CHECK_HEADERS( \
fcntl.h \
getopt.h \
libc.h \
limits.h \
locale.h \
poll.h \
sys/bsdtypes.h \
sys/ioctl.h \
sys/param.h \
sys/poll.h \
sys/select.h \
sys/time.h \
sys/times.h \
ttyent.h \
unistd.h \
wctype.h )

# check for ISC (this may also define _POSIX_SOURCE)
# Note: even non-Posix ISC needs <sys/bsdtypes.h> to declare fd_set
if test "$ISC" = yes ; then
	AC_CHECK_LIB(cposix,main)
	AC_CHECK_LIB(inet,bzero,LIBS="$LIBS -linet")dnl also 'select()'
fi

CF_SYS_TIME_SELECT

###	checks for compiler characteristics
AC_LANG_C
AC_C_CONST
AC_C_INLINE
test "$ac_cv_c_inline" != no && AC_DEFINE(CC_HAS_INLINE_FUNCS)

CF_TYPEOF_CHTYPE

###	Checks for external-data
CF_ERRNO
CF_LINK_DATAONLY

###	Checks for library functions.
AC_CHECK_FUNCS( \
getcwd \
getegid \
geteuid \
getttynam \
issetugid \
memccpy \
nanosleep \
poll \
remove \
select \
setbuf \
setbuffer \
setvbuf \
sigaction \
sigvec \
strdup \
strstr \
tcgetpgrp \
times \
vsnprintf \
)
if test "$with_getcap" = "yes" ; then
	CF_CGETENT
fi

CF_ISASCII
CF_STRUCT_SIGACTION
CF_FUNC_TERMIOS
CF_FUNC_VSSCANF
CF_MKSTEMP

# setup for prototype of fallback for vsscanf()
if test "$cf_cv_func_vsscanf" = vsscanf ; then
	HAVE_VSSCANF=1
else
	HAVE_VSSCANF=0
fi
AC_SUBST(HAVE_VSSCANF)

dnl FIXME (may need this) AC_SYS_RESTARTABLE_SYSCALLS
if test "$cross_compiling" = yes ; then
	AC_MSG_WARN(cross compiling: assume setvbuf params not reversed)
else
	AC_FUNC_SETVBUF_REVERSED
fi
AC_TYPE_SIGNAL
CF_TYPE_SIGACTION
CF_SIZECHANGE
CF_FUNC_MEMMOVE
CF_FUNC_POLL

dnl We'll do our own -g libraries, unless the user's overridden via $CFLAGS
if test -z "$cf_user_CFLAGS" ; then
	CF_STRIP_G_OPT(CFLAGS)
	CF_STRIP_G_OPT(CXXFLAGS)
fi

# Just in case, check if the C compiler has a bool type.
CF_BOOL_DECL(cf_cv_cc_bool_type)

# Check for C++ compiler characteristics (and ensure that it's there!)
if test -n "$CXX" ; then
	AC_LANG_CPLUSPLUS
	CF_STDCPP_LIBRARY

	case $GXX_VERSION in
	1*|2.[0-6]*)
		cf_cxx_library=yes
		;;
	*-2.7*|2.7*)
		CF_GPP_LIBRARY
		;;
	*)
		cf_cxx_library=no
		;;
	esac

	AC_CHECK_HEADERS(typeinfo)

	CF_BOOL_DECL
	CF_BOOL_SIZE
	CF_ETIP_DEFINES
	CF_CPP_PARAM_INIT
	CF_CPP_VSCAN_FUNC

	CXX_AR='$(AR)'
	CXX_AR_OPTS='$(AR_OPTS)'
	case $cf_cv_system_name in #(vi
	irix*) #(vi
	    if test "$GXX" != yes ; then
		CXX_AR='$(CXX)'
		CXX_AR_OPTS='-ar -o'
	    fi
	    ;;
	sco3.2v5*) #(vi
	    CXXLDFLAGS="-u main"
	    ;;
	solaris2*)
	    if test "$GXX" != yes ; then
		CXX_AR='$(CXX)'
		CXX_AR_OPTS='-xar -o'
	    fi
	    ;;
	esac
	AC_SUBST(CXXLDFLAGS)
	AC_SUBST(CXX_AR)
	AC_SUBST(CXX_AR_OPTS)
else
	cf_cxx_library=no
	cf_cv_builtin_bool=1

	# Just because we are not configuring against C++ right now does not
	# mean that a user will not want to use C++.  Some distributors disable
	# the C++ portion of this configuration as a shortcut (or just to avoid
	# compiling the demo in the c++ directory).  So we need a reasonable
	# default for the 'bool' type.
	#
	# Caveat: since the storage of the bool type is not standardized, it
	# may change.

	if test "$NCURSES_BOOL" != auto ; then
		cf_cv_type_of_bool=$NCURSES_AUTO
	else
		if test "$cf_cv_header_stdbool_h" = 1 ; then
			CF_BOOL_SIZE
		else
			AC_MSG_CHECKING(for fallback type of bool)
			case "$host_cpu" in #(vi
			i?86)	cf_cv_type_of_bool=char	;; #(vi
			*)	cf_cv_type_of_bool=int	;;
			esac
			AC_MSG_RESULT($cf_cv_type_of_bool)
		fi
	fi
fi
AC_SUBST(CXXLIBS)

# If the C compiler did not declare bool, and we did not determine that the C++
# compiler does not declare bool, turn on an ifdef in curses.h that makes the
# ncurses library use the same type as C++ bool.  Note that this allows one to
# specify the type of bool in a configure-script option and postpone
# integration with the C++ compiler provided that the types are compatible.
USE_CXX_BOOL=1
if test $cf_cv_cc_bool_type = 1
then
	# oops: C has a bool.  Unlikely, but C++ could differ.
	USE_CXX_BOOL=0
elif test $cf_cv_builtin_bool = 0
then
	# C++ has no bool
	USE_CXX_BOOL=0
else
	# this is the normal case
	USE_CXX_BOOL='defined(__cplusplus)'
fi
AC_SUBST(USE_CXX_BOOL)

CF_HELP_MESSAGE(Ada95 Binding Options:)

dnl Check for availability of GNU Ada Translator (GNAT).
dnl At the moment we support no other Ada95 compiler.
if test "$cf_with_ada" != "no" ; then
cf_ada_make=gnatmake
AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
if test "$ac_cv_prog_gnat_exists" = no; then
   cf_ada_make=
else
   CF_GNAT_VERSION
   AC_CHECK_PROG(M4_exists, m4, yes, no)
   if test "$ac_cv_prog_M4_exists" = no; then
      cf_cv_prog_gnat_correct=no
      echo Ada95 binding required program m4 not found. Ada95 binding disabled.
   fi
   if test "$cf_cv_prog_gnat_correct" = yes; then
      AC_MSG_CHECKING(if GNAT works)
      CF_GNAT_TRY_RUN([procedure conftest;],
[with Text_IO;
with GNAT.OS_Lib;
procedure conftest is
begin
   Text_IO.Put ("Hello World");
   Text_IO.New_Line;
   GNAT.OS_Lib.OS_Exit (0);
end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
      AC_MSG_RESULT($cf_cv_prog_gnat_correct)
   fi
fi
if test	"$cf_cv_prog_gnat_correct" = yes; then
   ADAFLAGS="-O3 -gnatpn $ADAFLAGS"

   AC_ARG_WITH(ada-compiler,
	[  --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
	[cf_ada_compiler=$withval],
	[cf_ada_compiler=gnatmake])

   cf_ada_package=terminal_interface

   AC_SUBST(cf_ada_make)
   AC_SUBST(cf_ada_compiler)
   AC_SUBST(cf_ada_package)
   AC_SUBST(ADAFLAGS)
   AC_SUBST(cf_compile_generics)
   AC_SUBST(cf_generic_objects)

   CF_WITH_PATH(ada-include,
       [  --with-ada-include=DIR  Ada includes are in DIR],
       ADA_INCLUDE,
       PREFIX/lib/ada/adainclude,
       [$]prefix/lib/ada/adainclude)
   AC_SUBST(ADA_INCLUDE)

   CF_WITH_PATH(ada-objects,
       [  --with-ada-objects=DIR  Ada objects are in DIR],
       ADA_OBJECTS,
       PREFIX/lib/ada/adalib,
       [$]prefix/lib/ada/adalib)
   AC_SUBST(ADA_OBJECTS)

fi
fi

### Construct the library-subsets, if any, from this set of keywords:
### none, base, ext_funcs, ext_tinfo, termlib, widechar (see CF_LIB_RULES).
AC_MSG_CHECKING(for library subsets)
if test "$with_termlib" = yes ; then
	LIB_SUBSETS="termlib"
	test "$with_ext_funcs" = yes && LIB_SUBSETS="${LIB_SUBSETS}+ext_tinfo"
	LIB_SUBSETS="${LIB_SUBSETS} "
else
	LIB_SUBSETS="termlib+"
	test "$with_ext_funcs" = yes && LIB_SUBSETS="${LIB_SUBSETS}ext_tinfo+"
fi
LIB_SUBSETS="${LIB_SUBSETS}base"
test "$with_widec"     = yes && LIB_SUBSETS="${LIB_SUBSETS}+widechar"
test "$with_ext_funcs" = yes && LIB_SUBSETS="${LIB_SUBSETS}+ext_funcs"
AC_MSG_RESULT($LIB_SUBSETS)

### Construct the list of include-directories to be generated
CF_INCLUDE_DIRS
CF_ADA_INCLUDE_DIRS

### Build up pieces for makefile rules
AC_MSG_CHECKING(default library suffix)
CF_LIB_TYPE($DFT_LWR_MODEL,DFT_ARG_SUFFIX)dnl
AC_SUBST(DFT_ARG_SUFFIX)dnl the string to append to "-lncurses" ("")
AC_MSG_RESULT($DFT_ARG_SUFFIX)

AC_MSG_CHECKING(default library-dependency suffix)
CF_LIB_SUFFIX($DFT_LWR_MODEL,DFT_DEP_SUFFIX)dnl
if test $DFT_LWR_MODEL = shared ; then
	case $cf_cv_system_name in #(vi
	cygwin*)
		DFT_DEP_SUFFIX=".dll.a"
		;;
	esac
fi
AC_SUBST(DFT_DEP_SUFFIX)dnl the corresponding library-suffix (".a")
AC_MSG_RESULT($DFT_DEP_SUFFIX)

AC_MSG_CHECKING(default object directory)
CF_OBJ_SUBDIR($DFT_LWR_MODEL,DFT_OBJ_SUBDIR)dnl
AC_SUBST(DFT_OBJ_SUBDIR)dnl the default object-directory ("obj")
AC_MSG_RESULT($DFT_OBJ_SUBDIR)

# libtool thinks it can make c++ shared libraries (perhaps only g++)
if test "$cf_with_cxx" = yes ; then
AC_MSG_CHECKING(c++ library-dependency suffix)
if test "$with_libtool" != "no"; then
	CXX_LIB_SUFFIX=$DFT_DEP_SUFFIX
else
	CF_LIB_SUFFIX(normal,CXX_LIB_SUFFIX)dnl we normally make a static library
fi
AC_MSG_RESULT($CXX_LIB_SUFFIX)
AC_SUBST(CXX_LIB_SUFFIX)
fi

TINFO_LIST="$SHLIB_LIST"
if test "$with_libtool" = no ; then
	test "$with_termlib" = yes && SHLIB_LIST="$SHLIB_LIST -ltinfo${LIB_SUFFIX}"
fi

AC_MSG_CHECKING(where we will install curses.h)
test "$with_overwrite" = no && \
test "x$includedir" = 'x${prefix}/include' && \
	includedir='$(prefix)/include/ncurses'${LIB_SUFFIX}
AC_MSG_RESULT($includedir)

### Resolve a conflict between normal and wide-curses by forcing applications
### that will need libutf8 to add it to their configure script.
if test "$with_overwrite" != no ; then
if test "$NCURSES_LIBUTF8" = 1 ; then
	NCURSES_LIBUTF8='defined(HAVE_LIBUTF8_H)'
	AC_MSG_WARN(Wide-character applications must define HAVE_LIBUTF8_H to include curses.h)
fi
fi

AC_SUBST(EXTRA_LIBS)
AC_SUBST(TINFO_LIST)
AC_SUBST(SHLIB_LIST)

### Set up low-level terminfo dependencies for makefiles.  Note that we
### could override this.
if test "$with_termlib" = yes ; then
	TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${TINFO_NAME}${DFT_DEP_SUFFIX}"
	if test "$DFT_LWR_MODEL" = "libtool"; then
		TEST_ARGS="${TEST_DEPS}"
	else
		TEST_ARGS="-l${TINFO_NAME}${DFT_ARG_SUFFIX}"
	fi
fi
PROG_DEPS="$TEST_DEPS"
PROG_ARGS="$TEST_ARGS"

### predefined stuff for the test programs
AC_DEFINE(HAVE_SLK_COLOR)

### Construct the list of subdirectories for which we'll customize makefiles
### with the appropriate compile-rules.

CF_SRC_MODULES($modules_to_build)
CF_DIRS_TO_MAKE

AC_DEFINE_UNQUOTED(NCURSES_PATHSEP,'$PATHSEP')

AC_DEFINE_UNQUOTED(NCURSES_VERSION_STRING, "${NCURSES_MAJOR}.${NCURSES_MINOR}.${NCURSES_PATCH}")

### Now that we're done running tests, add the compiler-warnings, if any
CF_ADD_CFLAGS($EXTRA_CFLAGS)

################################################################################
test "$use_database" = yes && SUB_MAKEFILES="$SUB_MAKEFILES misc/run_tic.sh:misc/run_tic.in"
AC_OUTPUT( \
	include/MKterm.h.awk \
	include/curses.head:include/curses.h.in \
	include/termcap.h \
	include/unctrl.h \
	$SUB_MAKEFILES \
	Makefile,[
CF_LIB_RULES
],[
### Special initialization commands, used to pass information from the
### configuration-run into config.status

AWK="$AWK"
CF_LIST_MODELS="$cf_list_models"
DFT_LWR_MODEL="$DFT_LWR_MODEL"
LDCONFIG="$LDCONFIG"
LIB_NAME="$LIB_NAME"
LIB_SUBSETS="$LIB_SUBSETS"
LIB_SUFFIX="$LIB_SUFFIX"
LIB_TRACING="$LIB_TRACING"
MAKE_TERMINFO="$MAKE_TERMINFO"
NCURSES_OSPEED="$NCURSES_OSPEED"
SRC_SUBDIRS="$SRC_SUBDIRS"
TERMINFO="$TERMINFO"
TINFO_NAME="$TINFO_NAME"
WITH_CURSES_H="$with_curses_h"
WITH_ECHO="$with_echo"
WITH_OVERWRITE="$with_overwrite"
cf_cv_abi_version="$cf_cv_abi_version"
cf_cv_do_symlinks="$cf_cv_do_symlinks"
cf_cv_rel_version="$cf_cv_rel_version"
cf_cv_rm_so_locs="$cf_cv_rm_so_locs"
cf_cv_shlib_version="$cf_cv_shlib_version"
cf_cv_shlib_version_infix="$cf_cv_shlib_version_infix"
cf_cv_system_name="$cf_cv_system_name"
cf_with_cxx_binding="$cf_with_cxx_binding"
host="$host"
target="$target"

],cat)dnl
${MAKE-make} preinstall