gdb/

[deliverable/binutils-gdb.git] / gdb / configure.ac

diff --git a/gdb/configure.ac b/gdb/configure.ac
index 3e95c258be4eaba62f2766eb9f17419f65d08dd0..48f37c89c7147c401031ca3cefdcd76622a2c45d 100644 (file)
--- a/gdb/configure.ac
+++ b/gdb/configure.ac
@@ -23,10 +23,8 @@ AC_INIT(main.c)
 AC_CONFIG_HEADER(config.h:config.in)
 AM_MAINTAINER_MODE
 
-# Provide more thorough testing by -lmcheck.
-# Set it to 'true' for development snapshots, 'false' for releases or
-# pre-releases.
-development=true
+# Set the 'development' global.
+. $srcdir/development.sh
 
 AC_PROG_CC
 AC_USE_SYSTEM_EXTENSIONS
@@ -486,8 +484,15 @@ AC_CHECK_TOOL(AR, ar)
 AC_CHECK_TOOL(DLLTOOL, dlltool)
 AC_CHECK_TOOL(WINDRES, windres)
 
-# Needed for GNU/Hurd.
-AC_CHECK_TOOL(MIG, mig)
+case $host_os in
+  gnu*)
+    # Needed for GNU Hurd hosts.
+    AC_CHECK_TOOL(MIG, mig)
+    if test x"$MIG" = x; then
+      AC_MSG_ERROR([MIG not found but required for $host hosts])
+    fi
+    ;;
+esac
 
 # ---------------------- #
 # Checks for libraries.  #
@@ -1045,34 +1050,22 @@ AC_SUBST(PYTHON_CFLAGS)
 AC_SUBST(PYTHON_CPPFLAGS)
 AC_SUBST(PYTHON_LIBS)
 
-# Provide a --enable-libmcheck/--disable-libmcheck set of options
-# allowing a user to enable this option even when building releases,
-# or to disable it when building a snapshot.
-AC_ARG_ENABLE(libmcheck,
-  AS_HELP_STRING([--enable-libmcheck],
-                 [Try building GDB with -lmcheck if available]),
-  [case "${enableval}" in
-     yes | y) ENABLE_LIBMCHECK="yes" ;;
-     no | n)  ENABLE_LIBMCHECK="no" ;;
-     *) AC_MSG_ERROR(bad value ${enableval} for --enable-libmcheck) ;;
-   esac])
-
 # Enable -lmcheck by default (it provides cheap-enough memory mangling),
 # but turn it off if Python is enabled with threads, since -lmcheck is
 # not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
 # and for releases.
-if test -z "${ENABLE_LIBMCHECK}" \
-        -a \( "${have_libpython}" = "no" \
-            -o "${python_has_threads}" = "no" \) \
-    && $development; then
-  ENABLE_LIBMCHECK=yes
+if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
+   && $development; then
+  libmcheck_default=yes
+else
+  libmcheck_default=no
 fi
+GDB_AC_LIBMCHECK(${libmcheck_default})
 
-if test "$ENABLE_LIBMCHECK" = "yes" ; then
-  if test "${have_libpython}" != "no" -a "${python_has_threads}" = "yes" ; then
-    AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
-  fi
-  AC_CHECK_LIB(mcheck, main)
+if test "$ENABLE_LIBMCHECK" = "yes" \
+       -a "${have_libpython}" != "no" \
+       -a "${python_has_threads}" = "yes" ; then
+  AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
 fi
 
 # ------------------------- #
@@ -1082,7 +1075,7 @@ fi
 AC_HEADER_DIRENT
 AC_HEADER_STDC
 # elf_hp.h is for HP/UX 64-bit shared library support.
-AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
+AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h sys/socket.h proc_service.h \
                   thread_db.h signal.h stddef.h \
                  stdlib.h string.h memory.h strings.h sys/fault.h \
                  sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
@@ -1874,6 +1867,17 @@ then
              [Define if you support the personality syscall.])
 fi
 
+dnl Set the host's .gdbinit filename.
+case $host_os in
+  go32* | *djgpp*)
+    gdbinit=gdb.ini
+    ;;
+  *)
+    gdbinit=.gdbinit
+    ;;
+esac
+AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
+
 dnl Handle optional features that can be enabled.
 
 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
@@ -1922,7 +1926,8 @@ build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
 -Wpointer-sign \
 -Wno-unused -Wunused-value -Wunused-function \
 -Wno-switch -Wno-char-subscripts -Wmissing-prototypes \
--Wdeclaration-after-statement -Wempty-body"
+-Wdeclaration-after-statement -Wempty-body -Wmissing-parameter-type \
+-Wold-style-declaration -Wold-style-definition"
 
 # Enable -Wno-format by default when using gcc on mingw since many
 # GCC versions complain about %I64.
@@ -2029,7 +2034,7 @@ if test $gdb_cv_var_elf = yes; then
            [Define if ELF support should be included.])
   # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
   if test "$plugins" = "yes"; then
-    LIBS="-ldl $LIBS"
+    AC_SEARCH_LIBS(dlopen, dl)
   fi
 fi