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dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.5)
AC_INIT(cgdb, 0.6.3)
AC_CONFIG_AUX_DIR(config)
AC_CONFIG_HEADERS(config.h)
AM_INIT_AUTOMAKE
dnl Checks for programs.
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_INSTALL
AC_PROG_RANLIB
AM_PROG_LEX
AC_PROG_YACC
dnl determine if we are running in linux, cygwin, solaris, or freebsd
AC_CANONICAL_HOST
case $host in
*-*-linux*)
AC_DEFINE(HAVE_LINUX, 1, Linux environment)
;;
*-*-cygwin*)
AC_DEFINE(HAVE_CYGWIN, 1, Cygwin environment)
;;
*)
;;
esac
dnl Checks for header files.
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
dnl determine if terminal headers are available for opening pty
dnl these need only be optionally available
AC_CHECK_HEADERS(pty.h sys/stropts.h util.h libutil.h)
AC_CHECK_HEADERS([termios.h],,[AC_MSG_ERROR([CGDB requires termios.h to build.])])
AC_CHECK_HEADERS([sys/select.h],,[AC_MSG_ERROR([CGDB requires sys/select.h to build.])])
AC_CHECK_HEADERS([errno.h],,[AC_MSG_ERROR([CGDB requires errno.h to build.])])
AC_CHECK_HEADERS([fcntl.h],,[AC_MSG_ERROR([CGDB requires fcntl.h to build.])])
AC_CHECK_HEADERS([grp.h],,[AC_MSG_ERROR([CGDB requires grp.h to build.])])
AC_CHECK_HEADERS([pwd.h],,[AC_MSG_ERROR([CGDB requires pwd.h to build.])])
AC_CHECK_HEADERS([signal.h],,[AC_MSG_ERROR([CGDB requires signal.h to build.])])
AC_CHECK_HEADERS([stdarg.h],,[AC_MSG_ERROR([CGDB requires stdarg.h to build.])])
AC_CHECK_HEADERS([stdio.h],,[AC_MSG_ERROR([CGDB requires stdio.h to build.])])
AC_CHECK_HEADERS([stdlib.h],,[AC_MSG_ERROR([CGDB requires stdlib.h to build.])])
AC_CHECK_HEADERS([string.h],,[AC_MSG_ERROR([CGDB requires string.h to build.])])
AC_CHECK_HEADERS([sys/ioctl.h],,[AC_MSG_ERROR([CGDB requires sys/ioctl.h to build.])])
AC_CHECK_HEADERS([sys/stat.h],,[AC_MSG_ERROR([CGDB requires sys/stat.h to build.])])
AC_CHECK_HEADERS([sys/time.h],,[AC_MSG_ERROR([CGDB requires sys/time.h to build.])])
AC_CHECK_HEADERS([time.h],,[AC_MSG_ERROR([CGDB requires time.h to build.])])
AC_CHECK_HEADERS([sys/types.h],,[AC_MSG_ERROR([CGDB requires sys/types.h to build.])])
AC_CHECK_HEADERS([unistd.h],,[AC_MSG_ERROR([CGDB requires unistd.h to build.])])
AC_CHECK_HEADERS([ctype.h],,[AC_MSG_ERROR([CGDB requires ctype.h to build.])])
AC_CHECK_HEADERS([limits.h],,[AC_MSG_ERROR([CGDB requires limits.h to build.])])
AC_CHECK_HEADERS([math.h],,[AC_MSG_ERROR([CGDB requires math.h to build.])])
AC_CHECK_HEADERS([regex.h],,[AC_MSG_ERROR([CGDB requires regex.h to build.])])
AC_CHECK_HEADERS([curses.h],,[
AC_CHECK_HEADERS([ncurses/curses.h],,[
AC_MSG_ERROR([CGDB requires curses.h or ncurses/curses.h to build.])])])
dnl Check for getopt.h, If this is here then getopt_long can be used.
AC_CHECK_HEADERS([getopt.h],
[AC_DEFINE(HAVE_GETOPT_H, 1, have getopt_long)])
dnl determine if /dev/ptmx is available for pseudo terminals
AC_CHECK_FILE([/dev/ptmx],
[AC_DEFINE(HAVE_DEV_PTMX, 1, have /dev/ptmx)])
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_UID_T
AC_TYPE_MODE_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
dnl Checks for library functions.
AC_PROG_GCC_TRADITIONAL
AC_FUNC_SETPGRP
AC_TYPE_SIGNAL
AC_FUNC_VPRINTF
AC_CHECK_FUNC([putenv],,AC_MSG_ERROR([CGDB requires putenv to build.]))
AC_CHECK_FUNC([select],,AC_MSG_ERROR([CGDB requires select to build.]))
AC_CHECK_FUNC([strdup],,AC_MSG_ERROR([CGDB requires strdup to build.]))
AC_CHECK_FUNC([strerror],,AC_MSG_ERROR([CGDB requires strerror to build.]))
AC_CHECK_FUNC([openpty],[AC_DEFINE(HAVE_OPENPTY, 1, [Define to 1 if you have the openpty function])],)
dnl program checks
AC_CHECK_PROG([HAS_MAKEINFO], [makeinfo], [yes], [no], [path =$PATH])
AC_CHECK_PROG([HAS_HELP2MAN], [help2man], [yes], [no], [path =$PATH])
dnl Default variables
dnl If ncurses is yes after arguments, than use ncurses. Otherwise, use curses
opt_with_readline_prefix=no
use_ncurses_library=yes
opt_with_ncurses_prefix=no
opt_with_curses_prefix=no
dnl argument to configure
AC_ARG_WITH(readline, AC_HELP_STRING([--with-readline=PREFIX], [Use system installed readline library]), opt_with_readline_prefix=$withval)
AC_ARG_WITH(ncurses, AC_HELP_STRING([--with-ncurses=PREFIX], [Use system installed ncurses library]), opt_with_ncurses_prefix=$withval)
AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses=PREFIX], [Use system installed curses library]), opt_with_curses_prefix=$withval use_ncurses_library=no)
if test "$opt_with_readline_prefix" != "no"; then
# If set to "yes", it is on the compilers include path.
if test "$opt_with_readline_prefix" != "yes"; then
LDFLAGS="-L$opt_with_readline_prefix/lib $LDFLAGS" CFLAGS="-I$opt_with_readline_prefix/include -I$opt_with_readline_prefix/include/readline $CFLAGS" CPPFLAGS="-I$opt_with_readline_prefix/include -I$opt_with_readline_prefix/include/readline $CPPFLAGS"
fi
fi
dnl ncurses-prefix argument
if test "$opt_with_ncurses_prefix" != "no"; then
# If set to "yes", it is on the compilers include path.
if test "$opt_with_curses_prefix" != "yes"; then
LDFLAGS="-L$opt_with_ncurses_prefix/lib $LDFLAGS" CFLAGS="-I$opt_with_ncurses_prefix/include -I$opt_with_ncurses_prefix/include/ncurses $CFLAGS" CPPFLAGS="-I$opt_with_ncurses_prefix/include -I$opt_with_ncurses_prefix/include/ncurses $CPPFLAGS"
fi
fi
if test "$opt_with_curses_prefix" != "no"; then
# If set to "yes", it is on the compilers include path.
if test "$opt_with_curses_prefix" != "yes"; then
LDFLAGS="-L$opt_with_curses_prefix/lib $LDFLAGS" CFLAGS="-I$opt_with_curses_prefix/include $CFLAGS" CPPFLAGS="-I$opt_with_curses_prefix/include $CPPFLAGS"
fi
fi
dnl make sure that (f)lex is available
if test "$LEX" != "flex" -a "$LEX" != "lex"; then
AC_MSG_ERROR([Please install flex before installing])
fi
dnl check that the required tools are available to generate documentation
if test "$HAS_MAKEINFO" != "yes" ; then
AC_MSG_ERROR([Please install makeinfo before installing])
fi
if test "$HAS_HELP2MAN" != "yes" ; then
AC_MSG_ERROR([Please install help2man])
fi
dnl Checking for log10 function in math - I would like to remove this
AC_CHECK_LIB(m, log10)
dnl readline and ncurses/curses configure magic is difficult.
dnl A prerequisite is that CGDB needs either ncurses or curses to link.
dnl A prerequisite is that readline needs tgetent to link.
dnl However, I'm not sure if ncurses or curses provides tgetent all the time.
dnl So, here's the algorithm:
dnl Part 1: Detecting ncurses/curses
dnl Check for ncurses (for CGDB)
dnl Check for curses (for CGDB)
dnl If found ncurses or curses, continue. Otherwise quit.
dnl
dnl Part 2: Detecting tgetent
dnl Check for tgetent in ncurses or curses (the one found above)
dnl Check for tgetent in tinfo
dnl Check for tgetent in libc
dnl If found tgetent, continue. Otherwise quit.
dnl Part 1: Detecting ncurses/curses
dnl If the user want ncurses, Try to find it and add it to the linking library.
if test "$use_ncurses_library" = "yes"; then
AC_CHECK_LIB(ncurses, initscr,
[AC_DEFINE(HAVE_NCURSES, 1, ncurses library)],
AC_MSG_ERROR([cgdb needs ncurses/curses to build. ncurses is strongly recommended.
If your system does not have ncurses get it!
If that is not an option try 'configure --with-curses.'
You can try --with-ncurses=/foo/ncurses to tell configure where ncurses is.]))
curses_lib_name="ncurses"
fi
dnl If the user want curses, Warn them that cgdb does not run perfect against it.
if test "$use_ncurses_library" = "no"; then
AC_MSG_WARN([ *****************************************************
cgdb may not run properly when linked against curses!
*****************************************************])
AC_CHECK_LIB(curses, initscr,
[AC_DEFINE(HAVE_CURSES, 1, curses library)],
AC_MSG_ERROR([cgdb needs ncurses/curses to build. ncurses is strongly recommended.
If your system does not have ncurses get it!
You can try --with-curses=/foo/curses to tell configure where curses is.]))
curses_lib_name="curses"
fi
dnl Make sure there is a version of readline that CGDB supports.
dnl Simply putting 5.1* -> 5.9* just to take into accout future versions.
RL_LIB_READLINE_VERSION
case "$ac_cv_rl_version" in
5.1*|5.2*|5.3*|5.4*|5.5*|5.6*|5.7*|5.8*|5.9*|6*|7*|8*|9*) ;;
*) AC_MSG_ERROR([CGDB requires GNU readline 5.1 or greater to link.
If you used --with-readline instead of using the system readline library,
make sure to set the correct readline library on the linker search path
via LD_LIBRARY_PATH or some other facility.])
;;
esac
dnl This will DEFINE the readline headers.
RL_LIB_READLINE_INCLUDES
dnl Made it this far, add the readline and termcap LIBS
LIBS="-lreadline $TERMCAP_LIB $LIBS"
dnl Add the ncurses/curses lib, if it's not the same as the termcap lib
if test "$TERMCAP_LIB" != "-l$curses_lib_name"; then
LIBS="-l$curses_lib_name $LIBS"
fi
AC_OUTPUT(
Makefile \
lib/Makefile \
lib/adt/Makefile \
lib/gdbmi/Makefile \
lib/kui/Makefile \
lib/rline/Makefile \
lib/tgdb/Makefile \
lib/tgdb/annotate-two/Makefile \
lib/tgdb/gdbmi/Makefile \
lib/tgdb/tgdb-base/Makefile \
lib/tokenizer/Makefile \
lib/util/Makefile \
doc/Makefile \
cgdb/Makefile \
test/Makefile
)
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