configure.in

android-w.song.android.widget

dnl test for Unix variants
AC_ISC_POSIX
AC_MINIX

AC_SYS_LARGEFILE

dnl BEGIN changes for cross-building (currently cygwin, minGW, and
dnl (obsolete) BeOS)

SIGNAMES_O=
SIGNAMES_H=lsignames.h

dnl load up the cross-building cache file -- add more cases and cache
dnl files as necessary

dnl Note that host and target machine are the same, and different than the
dnl build machine.
dnl Set SIGNAMES_H based on whether or not we're cross-compiling.

CROSS_COMPILE=
if test "x$cross_compiling" = "xyes"; then
    case "${host}" in
    *-cygwin*)
	cross_cache=${srcdir}/cross-build/cygwin32.cache
	;;
    *-mingw*)
	cross_cache=${srcdir}/cross-build/cygwin32.cache
	;;
    i[[3456]]86-*-beos*)
	cross_cache=${srcdir}/cross-build/x86-beos.cache
	;;
    *)	echo "configure: cross-compiling for $host is not supported" >&2
	;;
    esac
    if test -n "${cross_cache}" && test -r "${cross_cache}"; then
	echo "loading cross-build cache file ${cross_cache}"
	. ${cross_cache}
    fi
    unset cross_cache
    SIGNAMES_O='signames.o'
    CROSS_COMPILE='-DCROSS_COMPILING'
    AC_SUBST(CROSS_COMPILE)
fi
AC_SUBST(SIGNAMES_H)
AC_SUBST(SIGNAMES_O)

if test -z "$CC_FOR_BUILD"; then
    if test "x$cross_compiling" = "xno"; then
	CC_FOR_BUILD='$(CC)'
    else
	CC_FOR_BUILD=gcc
    fi
fi
AC_SUBST(CC_FOR_BUILD)

dnl END changes for cross-building

dnl We want these before the checks, so the checks can modify their values.
test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1

dnl If we're using gcc and the user hasn't specified CFLAGS, add -O2 to CFLAGS.
test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O2"

dnl handle options that alter how bash is compiled and linked
dnl these must come after the test for cc/gcc
if test "$opt_profiling" = "yes"; then
	PROFILE_FLAGS=-pg
	case "$host_os" in
	solaris2*)	;;
	*)		opt_static_link=yes ;;
	esac
	DEBUG= MALLOC_DEBUG=
fi

if test "$opt_static_link" = yes; then
	# if we're using gcc, add `-static' to LDFLAGS, except on Solaris >= 2
	if test -n "$GCC" || test "$ac_cv_prog_gcc" = "yes"; then
		STATIC_LD="-static" 
		case "$host_os" in
		solaris2*)	;;
		*)		LDFLAGS="$LDFLAGS -static" ;;	# XXX experimental
		esac
	fi
fi

if test "X$cross_compiling" = "Xno"; then
	CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-"$CPPFLAGS"}
	LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-'$(LDFLAGS)'}
else
	CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-""}
	LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-""}
fi

test -z "$CFLAGS_FOR_BUILD" && CFLAGS_FOR_BUILD="-g"

AC_SUBST(CFLAGS)
AC_SUBST(CPPFLAGS)
AC_SUBST(LDFLAGS)
AC_SUBST(STATIC_LD)

AC_SUBST(CFLAGS_FOR_BUILD)
AC_SUBST(CPPFLAGS_FOR_BUILD)
AC_SUBST(LDFLAGS_FOR_BUILD)

AC_PROG_GCC_TRADITIONAL

dnl BEGIN READLINE and HISTORY LIBRARY SECTION
dnl prepare to allow bash to be linked against an already-installed readline

dnl first test that the readline version is new enough to link bash against
if test "$opt_readline" = yes && test "$opt_with_installed_readline" != "no"
then
	# If the user specified --with-installed-readline=PREFIX and PREFIX
	# is not `yes', set ac_cv_rl_prefix to PREFIX
	test $opt_with_installed_readline != "yes" && ac_cv_rl_prefix=$opt_with_installed_readline

	RL_LIB_READLINE_VERSION

	case "$ac_cv_rl_version" in
	5*|6*|7*|8*|9*)	;;
	*)	opt_with_installed_readline=no 
		AC_MSG_WARN([installed readline library is too old to be linked with bash])
		AC_MSG_WARN([using private bash version])
		;;
	esac
fi

TILDE_LIB=-ltilde
if test $opt_readline = yes; then
	AC_DEFINE(READLINE)
	if test "$opt_with_installed_readline" != "no" ; then
		case "$opt_with_installed_readline" in
		yes)	RL_INCLUDE= ;;
		*)	case "$RL_INCLUDEDIR" in
			/usr/include)	;;
			*)		RL_INCLUDE='-I${RL_INCLUDEDIR}' ;;
			esac
			;;
		esac
		READLINE_DEP=
		READLINE_LIB=-lreadline
		# section for OS versions that don't allow unresolved symbols
		# to be compiled into dynamic libraries.
		case "$host_os" in
		cygwin*)	TILDE_LIB= ;;
		esac
	else
		RL_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
		READLINE_DEP='$(READLINE_LIBRARY)'
		# section for OS versions that ship an older/broken version of
		# readline as a standard dynamic library and don't allow a
		# static version specified as -llibname to override the
		# dynamic version
		case "${host_os}" in
		darwin[[89]]*|darwin10*) READLINE_LIB='${READLINE_LIBRARY}' ;;
		*)		READLINE_LIB=-lreadline ;;
		esac
	fi
else
	RL_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
	READLINE_LIB= READLINE_DEP=
fi
if test $opt_history = yes || test $opt_bang_history = yes; then
	if test $opt_history = yes; then
		AC_DEFINE(HISTORY)
	fi
	if test $opt_bang_history = yes; then
		AC_DEFINE(BANG_HISTORY)
	fi
 	if test "$opt_with_installed_readline" != "no"; then
		HIST_LIBDIR=$RL_LIBDIR
		HISTORY_DEP=
		HISTORY_LIB=-lhistory
		case "$opt_with_installed_readline" in
		yes)	RL_INCLUDE= ;;
		*)	case "$RL_INCLUDEDIR" in
			/usr/include)	;;
			*)		RL_INCLUDE='-I${RL_INCLUDEDIR}' ;;
			esac
			;;
		esac
	else
		HIST_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
		HISTORY_DEP='$(HISTORY_LIBRARY)'
		# section for OS versions that ship an older version of
		# readline as a standard dynamic library and don't allow a
		# static version specified as -llibname to override the
		# dynamic version
		case "${host_os}" in
		darwin[[89]]*|darwin10*) HISTORY_LIB='${HISTORY_LIBRARY}' ;;
		*)		HISTORY_LIB=-lhistory ;;
		esac
	fi
else
	HIST_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
	HISTORY_LIB= HISTORY_DEP=
fi
AC_SUBST(READLINE_LIB)
AC_SUBST(READLINE_DEP)
AC_SUBST(RL_LIBDIR)
AC_SUBST(RL_INCLUDEDIR)
AC_SUBST(RL_INCLUDE)
AC_SUBST(HISTORY_LIB)
AC_SUBST(HISTORY_DEP)
AC_SUBST(HIST_LIBDIR)
AC_SUBST(TILDE_LIB)

dnl END READLINE and HISTORY LIBRARY SECTION

dnl programs needed by the build and install process
AC_PROG_INSTALL
AC_CHECK_PROG(AR, ar, , ar)
dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
dnl This allows people to set it when running configure or make
test -n "$ARFLAGS" || ARFLAGS="cr"
AC_PROG_RANLIB
AC_PROG_YACC
AC_PROG_MAKE_SET

case "$host_os" in
opennt*|interix*)	MAKE_SHELL="$INTERIX_ROOT/bin/sh" ;;
*)			MAKE_SHELL=/bin/sh ;;
esac
AC_SUBST(MAKE_SHELL)

dnl this is similar to the expanded AC_PROG_RANLIB
if test x$SIZE = x; then
	if test x$ac_tool_prefix = x; then
		SIZE=size
	else
		SIZE=${ac_tool_prefix}size
		save_IFS=$IFS ; IFS=:
		size_found=0
		for dir in $PATH; do
			if test -x $dir/$SIZE ; then
				size_found=1
				break
			fi
		done
		if test $size_found -eq 0; then
			SIZE=:
		fi
		IFS=$save_IFS
	fi
fi
AC_SUBST(SIZE)

dnl Turn on any extensions available in the GNU C library.
AC_DEFINE(_GNU_SOURCE, 1)

dnl C compiler characteristics
AC_C_CONST
AC_C_INLINE
AC_C_BIGENDIAN
AC_C_STRINGIZE
AC_C_LONG_DOUBLE
AC_C_PROTOTYPES
AC_C_CHAR_UNSIGNED
AC_C_VOLATILE
AC_C_RESTRICT

dnl initialize GNU gettext
AM_GNU_GETTEXT([no-libtool], [need-ngettext], [lib/intl])

dnl header files
AC_HEADER_DIRENT
AC_HEADER_TIME

BASH_HEADER_INTTYPES

AC_CHECK_HEADERS(unistd.h stdlib.h stdarg.h varargs.h limits.h string.h \
		 memory.h locale.h termcap.h termio.h termios.h dlfcn.h \
		 stddef.h stdint.h netdb.h pwd.h grp.h strings.h regex.h \
		 syslog.h ulimit.h)
AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h \
		 sys/resource.h sys/param.h sys/socket.h sys/stat.h \
		 sys/time.h sys/times.h sys/types.h sys/wait.h)
AC_CHECK_HEADERS(netinet/in.h arpa/inet.h)

dnl sys/ptem.h requires definitions from sys/stream.h on systems where it
dnl exists
AC_CHECK_HEADER(sys/ptem.h, , ,[[
#if HAVE_SYS_STREAM_H
#  include <sys/stream.h>
#endif
]])

dnl special checks for libc functions
AC_FUNC_ALLOCA
AC_FUNC_GETPGRP
AC_FUNC_SETVBUF_REVERSED
AC_FUNC_VPRINTF
AC_FUNC_STRCOLL

dnl if we're not using the bash malloc but require the C alloca, set things
dnl up to build a libmalloc.a containing only alloca.o

if test "$ac_cv_func_alloca_works" = "no" && test "$opt_bash_malloc" = "no"; then
	MALLOC_TARGET=alloca
	MALLOC_SRC=alloca.c

	MALLOC_LIB='-lmalloc'
	MALLOC_LIBRARY='$(ALLOC_LIBDIR)/libmalloc.a'
	MALLOC_LDFLAGS='-L$(ALLOC_LIBDIR)'
	MALLOC_DEP='$(MALLOC_LIBRARY)'
fi

dnl if vprintf is not in libc, see if it's defined in stdio.h
if test "$ac_cv_func_vprintf" = no; then
    AC_MSG_CHECKING(for declaration of vprintf in stdio.h)
    AC_EGREP_HEADER([[int[ 	]*vprintf[^a-zA-Z0-9]]],stdio.h,ac_cv_func_vprintf=yes)
    AC_MSG_RESULT($ac_cv_func_vprintf)
    if test $ac_cv_func_vprintf = yes; then
	AC_DEFINE(HAVE_VPRINTF)
    fi
fi

if test "$ac_cv_func_vprintf" = no && test "$ac_cv_func__doprnt" = "yes"; then
  AC_LIBOBJ(vprint)
fi

dnl signal stuff
AC_TYPE_SIGNAL

dnl checks for certain version-specific system calls and libc functions
AC_CHECK_FUNC(__setostype, AC_DEFINE(HAVE_SETOSTYPE))
AC_CHECK_FUNC(wait3, AC_DEFINE(HAVE_WAIT3))
AC_CHECK_FUNC(isinf, AC_DEFINE(HAVE_ISINF_IN_LIBC))
AC_CHECK_FUNC(isnan, AC_DEFINE(HAVE_ISNAN_IN_LIBC))

dnl checks for missing libc functions
AC_CHECK_FUNC(mkfifo,AC_DEFINE(HAVE_MKFIFO),AC_DEFINE(MKFIFO_MISSING))

dnl checks for system calls
AC_CHECK_FUNCS(dup2 eaccess fcntl getdtablesize getgroups gethostname \
		getpagesize getpeername getrlimit getrusage gettimeofday \
		kill killpg lstat readlink sbrk select setdtablesize \
		setitimer tcgetpgrp uname ulimit waitpid)
AC_REPLACE_FUNCS(rename)

dnl checks for c library functions
AC_CHECK_FUNCS(bcopy bzero confstr faccessat fnmatch \
		getaddrinfo gethostbyname getservbyname getservent inet_aton \
		memmove pathconf putenv raise regcomp regexec \
		setenv setlinebuf setlocale setvbuf siginterrupt strchr \
		sysconf syslog tcgetattr times ttyname tzset unsetenv)

AC_CHECK_FUNCS(vasprintf asprintf)
AC_CHECK_FUNCS(isascii isblank isgraph isprint isspace isxdigit)
AC_CHECK_FUNCS(getpwent getpwnam getpwuid)
AC_REPLACE_FUNCS(getcwd memset)
AC_REPLACE_FUNCS(strcasecmp strcasestr strerror strftime strnlen strpbrk strstr)
AC_REPLACE_FUNCS(strtod strtol strtoul strtoll strtoull strtoimax strtoumax)
AC_REPLACE_FUNCS(dprintf)
AC_REPLACE_FUNCS(strchrnul)

AC_CHECK_DECLS([confstr])
AC_CHECK_DECLS([printf])
AC_CHECK_DECLS([sbrk])
AC_CHECK_DECLS([setregid])
AC_CHECK_DECLS([strcpy])
AC_CHECK_DECLS([strsignal])

dnl Extra test to detect the horribly broken HP/UX 11.00 strtold(3)
AC_CHECK_DECLS([strtold], [
    AC_MSG_CHECKING([for broken strtold])
    AC_CACHE_VAL(bash_cv_strtold_broken,
	[AC_TRY_COMPILE(
	    [#include <stdlib.h>],
	    [int main() { long double r; char *foo, bar; r = strtold(foo, &bar);}],
	    bash_cv_strtold_broken=no, bash_cv_strtold_broken=yes,
	    [AC_MSG_WARN(cannot check for broken strtold if cross-compiling, defaulting to no)])
	]
    )
    AC_MSG_RESULT($bash_cv_strtold_broken)
    if test "$bash_cv_strtold_broken" = "yes" ; then
	AC_DEFINE(STRTOLD_BROKEN)
    fi
])
    

BASH_CHECK_DECL(strtoimax)
BASH_CHECK_DECL(strtol)
BASH_CHECK_DECL(strtoll)
BASH_CHECK_DECL(strtoul)
BASH_CHECK_DECL(strtoull)
BASH_CHECK_DECL(strtoumax)