dnl Process this file with autoconf to produce a configure script.AC_INIT(readline.h)AC_CONFIG_HEADER(config.h)AC_REVISION(Configure for Readline 2.0)# We want these before the checks, so the checks can modify their values.test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1AC_PROG_CC# If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"AC_SUBST(CFLAGS)dnlAC_SUBST(LDFLAGS)dnlAC_GCC_TRADITIONALAC_PROG_INSTALLAC_PROG_RANLIBAC_USGAC_HAVE_FUNCS(strcasecmp sighold)AC_HAVE_HEADERS(unistd.h stdlib.h varargs.h string.h alloca.h \		dirent.h sys/ptem.h sys/pte.h sys/stream.h termcap.h \		termio.h)AC_HEADER_CHECK(sys/file.h, ,AC_DEFINE(NO_SYS_FILE))if test -z "$have_tiocgwinsz"; thenAC_COMPILE_CHECK(TIOCGWINSZ in sys/ioctl.h,[#include <sys/types.h>#include <sys/ioctl.h>], [int x = TIOCGWINSZ;],AC_DEFINE(GWINSZ_IN_SYS_IOCTL))fiAC_COMPILE_CHECK(programs able to redeclare getpw functions,[#include <sys/types.h>#include <pwd.h>extern struct passwd *getpwuid();], [struct passwd *z; z = getpwuid(0);], ,AC_DEFINE(HAVE_GETPW_DECLS))AC_ALLOCAAC_OUTPUT(Makefile, [# Makefile uses this timestamp file to record whether config.h is up to date.touch stamp-config])