bfd/

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

diff --git a/gdb/configure.ac b/gdb/configure.ac
index a40c2e55327e4739f4adfe8f60be01241f48fb0e..5ae3a6b2c8aec0abf0a4f4e8b12e84d6fb629fda 100644 (file)
--- a/gdb/configure.ac
+++ b/gdb/configure.ac
@@ -18,6 +18,11 @@ dnl along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 dnl Process this file with autoconf to produce a configure script.
 
+dnl Provide more thorough testing by -lmcheck.
+dnl Set it to 'true' for development snapshots, 'false' for releases or
+dnl pre-releases.
+development=true
+
 AC_PREREQ(2.59)dnl
 AC_INIT(main.c)
 AC_CONFIG_HEADER(config.h:config.in)
@@ -30,6 +35,7 @@ AM_PROG_CC_STDC
 
 AC_CONFIG_AUX_DIR(..)
 AC_CANONICAL_SYSTEM
+AC_ARG_PROGRAM
 
 # Dependency checking.
 ZW_CREATE_DEPDIR
@@ -135,15 +141,28 @@ AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this pat
               [Relocated directory for source files. ])
 ])
 
+AC_MSG_CHECKING([for default auto-load directory])
+AC_ARG_WITH(auto-load-dir,
+AS_HELP_STRING([--with-auto-load-dir=PATH],
+  [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
+  [with_auto_load_dir='$debugdir:$datadir/auto-load'])
+escape_dir=`echo $with_auto_load_dir | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
+AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
+             [Directories from which to load auto-loaded scripts.])
+AC_MSG_RESULT([$with_auto_load_dir])
+
 AC_MSG_CHECKING([for default auto-load safe-path])
 AC_ARG_WITH(auto-load-safe-path,
-AS_HELP_STRING([--with-auto-load-safe-path=PATH], [directories safe to hold auto-loaded files])
-AS_HELP_STRING([--without-auto-load-safe-path], [do not restrict auto-loaded files locations]),
-[if test "$with_auto_load_safe_path" = "no"; then
-   with_auto_load_safe_path=""
- fi],
-[with_auto_load_safe_path="$prefix"])
-AC_DEFINE_DIR(DEFAULT_AUTO_LOAD_SAFE_PATH, with_auto_load_safe_path,
+AS_HELP_STRING([--with-auto-load-safe-path=PATH],
+  [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
+AS_HELP_STRING([--without-auto-load-safe-path],
+               [do not restrict auto-loaded files locations]),
+    [if test "$with_auto_load_safe_path" = "no"; then
+     with_auto_load_safe_path="/"
+     fi],
+[with_auto_load_safe_path="$with_auto_load_dir"])
+escape_dir=`echo $with_auto_load_safe_path | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'`
+AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
              [Directories safe to hold auto-loaded files.])
 AC_MSG_RESULT([$with_auto_load_safe_path])
 
@@ -626,6 +645,11 @@ AC_SUBST(READLINE_DEPS)
 AC_SUBST(READLINE_CFLAGS)
 AC_SUBST(READLINE_TEXI_INCFLAG)
 
+dnl -lmcheck provides cheap enough memory mangling for debugging purposes.
+if $development; then
+  AC_CHECK_LIB(mcheck, main)
+fi
+
 # Generate jit-reader.h
 
 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
@@ -1808,8 +1832,8 @@ AC_ARG_ENABLE(werror,
      *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
    esac])
 
-# Enable -Werror by default when using gcc
-if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
+# Enable -Werror by default when using gcc.  Turn it off for releases.
+if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" && $development; then
     ERROR_ON_WARNING=yes
 fi
 
@@ -1947,7 +1971,7 @@ AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
 if test $gdb_cv_var_elf = yes; then
-  CONFIG_OBS="$CONFIG_OBS elfread.o"
+  CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o"
   AC_DEFINE(HAVE_ELF, 1,
            [Define if ELF support should be included.])
   # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.