AC_ARG_PROGRAM
+# Enable TUI.
+AC_ARG_ENABLE(tui,
+[ --enable-tui enable full-screen terminal user interface (TUI)],
+ [case $enableval in
+ yes | no)
+ ;;
+ *)
+ AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
+ esac])
+if test x"$enable_tui" = xyes; then
+ if test -d $srcdir/tui; then
+ CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
+ CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
+ CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
+ CONFIG_INITS="$CONFIG_INITS \$(SUBDIR_TUI_INITS)"
+ ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
+ CONFIG_ALL="$CONFIG_ALL \$(SUBDIR_TUI_ALL)"
+ CONFIG_CLEAN="$CONFIG_CLEAN \$(SUBDIR_TUI_CLEAN)"
+ CONFIG_INSTALL="$CONFIG_INSTALL \$(SUBDIR_TUI_INSTALL)"
+ CONFIG_UNINSTALL="$CONFIG_UNINSTALL \$(SUBDIR_TUI_UNINSTALL)"
+ need_curses=yes
+ fi
+fi
+
# --------------------- #
# Checks for programs. #
# --------------------- #
# Some systems (e.g. Solaris) have `socketpair' in libsocket.
AC_SEARCH_LIBS(socketpair, socket)
+# Since GDB uses Readline, we need termcap functionality, so we need
+# to find a library that provides that. When GDB is configured with
+# --enable-tui, we need full curses functionality.
+#
+# FIXME: kettenis/20030102: We seem to prefer HP curses (Hcurses) over
+# Xcurses on HP-UX; see the `-D__HP_CURSES' in the relevant host
+# Makefile fragments. That's why we need to have `Hcurses' before
+# `curses'. I don't see why we should use HP curses if a more
+# standard curses is available, except that according to HP's
+# documentation one needs to compile `-D_XOPEN_SOURCE_EXTENDED' on
+# HP-UX 10.10 and 10.20.
+
+if test "$need_curses" = yes; then
+ AC_SEARCH_LIBS(initscr, [ncurses Hcurses curses], [],
+ [AC_MSG_ERROR([no curses library found])])
+fi
+
+case $host_os in
+ cygwin*)
+ if test -d $srcdir/libtermcap; then
+ LIBS="../libtermcap/libtermcap.a $LIBS"
+ ac_cv_search_tgetent="../libtermcap/libtermcap.a"
+ fi ;;
+ go32*)
+ # ??? Is this really true?
+ ac_cv_search_tgetent="none required"
+ ;;
+ aix*)
+ # Readline prefers curses over termcap on AIX.
+ # ??? Why?
+ AC_SEARCH_LIBS(tgetent, [tinfo ncurses curses termcap])
+ ;;
+esac
+
+# Note: We used to check for libtermlib and libterminfo too, but
+# Readline doesn't, so I think we're safe with leaving them out.
+AC_SEARCH_LIBS(tgetent, [termcap tinfo ncurses Hcurses curses])
+
+if test "$ac_cv_search_tgetent" = no; then
+ AC_MSG_ERROR([no termcap library found])
+fi
+
# ------------------------- #
# Checks for header files. #
# ------------------------- #
AC_CHECK_FUNCS(poll)
AC_CHECK_FUNCS(sbrk)
AC_CHECK_FUNCS(setpgid setpgrp)
-AC_CHECK_FUNCS(sigaction sigprocmask, sigsetmask)
+AC_CHECK_FUNCS(sigaction sigprocmask sigsetmask)
AC_CHECK_FUNCS(socketpair)
dnl AC_FUNC_SETPGRP does not work when cross compiling
AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
fi
+# Assume we'll default to using the included libiberty regex.
+gdb_use_included_regex=yes
+
+# However, if the system regex is GNU regex, then default to *not*
+# using the included regex.
+AC_CACHE_CHECK(
+ [for GNU regex],
+ [gdb_cv_have_gnu_regex],
+ [AC_TRY_COMPILE(
+ [#include <gnu-versions.h>],
+ [#define REGEX_INTERFACE_VERSION 1
+#if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
+# error "Version mismatch"
+#endif],
+ gdb_cv_have_gnu_regex=yes,
+ gdb_cv_have_gnu_regex=no)])
+if test $gdb_cv_have_gnu_regex = yes; then
+ gdb_use_included_regex=no
+fi
+
+AC_ARG_WITH(included-regex,
+ [ --without-included-regex don't use included regex; this is the default
+ on systems with version 2 of the GNU C library
+ (use with caution on other system)],
+ gdb_with_regex=$withval,
+ gdb_with_regex=$gdb_use_included_regex)
+if test "$gdb_with_regex" = yes; then
+ AC_DEFINE(USE_INCLUDED_REGEX, 1,
+ [Define to 1 if the regex included in libiberty should be used.])
+fi
+
# See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
# Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
AC_CACHE_CHECK([for r_fs in struct reg], gdb_cv_struct_reg_r_fs,
UIOUT_CFLAGS="-DUI_OUT=1"
fi
-AC_ARG_ENABLE(tui,
-[ --enable-tui Enable full-screen terminal user interface],
-[
- case "${enable_tui}" in
- yes | no) ;;
- "") enable_tui=yes ;;
- *)
- AC_MSG_ERROR(Bad value for --enable-tui: ${enableval})
- ;;
- esac
-])
-case ${enable_tui} in
- "yes" )
- if test -d "${srcdir}/tui" ; then
- CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_TUI_OBS)"
- CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_TUI_DEPS)"
- CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_TUI_SRCS)"
- CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_TUI_INITS)"
- ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_TUI_CFLAGS)"
- CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_TUI_ALL)"
- CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_TUI_CLEAN)"
- CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_TUI_INSTALL)"
- CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_TUI_UNINSTALL)"
- fi
- ;;
-esac
-
AC_ARG_ENABLE(netrom,
[ --enable-netrom Enable NetROM support],
[case "${enableval}" in
MMALLOC='../mmalloc/libmmalloc.a'
fi
-AC_ARG_WITH(included-regex,
-[ --with-included-regex Use included regex],
-[case "${withval}" in
- yes) want_included_regex=true ;;
- no) want_included_regex=false;;
- *) AC_MSG_ERROR(bad value ${withval} for GDB with-included-regex option) ;;
-esac],[want_included_regex=true])dnl
-
-if test $want_included_regex = false; then
- AC_MSG_CHECKING(for GNU regex)
- AC_CACHE_VAL(gdb_cv_have_gnu_regex,
-[AC_TRY_COMPILE([#include <gnu-versions.h>
-#include <sys/types.h>
-#include <regex.h>],
-[#if !defined _GNU_REGEX_INTERFACE_VERSION || !defined __GLIBC__ || __GLIBC__ < 2
-#error No valid GNU regex.
-#endif
-],
- [gdb_cv_have_gnu_regex=yes],
- [gdb_cv_have_gnu_regex=no])])
- AC_MSG_RESULT($gdb_cv_have_gnu_regex)
- if test $gdb_cv_have_gnu_regex = no; then
- want_included_regex=true
- fi
-fi
-
-if test x${want_included_regex} = xtrue; then
- REGEX="gnu-regex.o"
- AC_DEFINE(USE_INCLUDED_REGEX)
-fi
-AC_SUBST(REGEX)
-
# In the Cygwin environment, we need some additional flags.
AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
[AC_EGREP_CPP(lose, [
esac
AC_SUBST(SER_HARDWIRE)
-
-dnl Figure out which term library to use.
-if test x$gdb_host = xgo32; then
- TERM_LIB=
-else
-if test x$gdb_cv_os_cygwin = xyes; then
- TERM_LIB='`if test -r ../libtermcap/libtermcap.a; then echo ../libtermcap/libtermcap.a; else echo -ltermcap; fi`'
-else
- TERM_LIB=
- AC_CHECK_LIB(ncurses, tgetent, TERM_LIB=-lncurses,
- AC_CHECK_LIB(Hcurses, tgetent, TERM_LIB=-lHcurses,
- AC_CHECK_LIB(termlib, tgetent, TERM_LIB=-ltermlib,
- AC_CHECK_LIB(termcap, tgetent, TERM_LIB=-ltermcap,
- AC_CHECK_LIB(curses, tgetent, TERM_LIB=-lcurses,
- AC_CHECK_LIB(terminfo, tgetent, TERM_LIB=-lterminfo))))))
-
- if test "x$TERM_LIB" = x
- then
- AC_MSG_ERROR(Could not find a term library, e.g. termcap or termlib!)
- fi
-fi
-fi
-AC_SUBST(TERM_LIB)
-
# libreadline needs libuser32.a in a cygwin environment
WIN32LIBS=
if test x$gdb_cv_os_cygwin = xyes; then
projects / binutils-gdb.git / blobdiff