aboutsummaryrefslogtreecommitdiff
path: root/gdb/configure.in
diff options
context:
space:
mode:
Diffstat (limited to 'gdb/configure.in')
-rw-r--r--gdb/configure.in27
1 files changed, 25 insertions, 2 deletions
diff --git a/gdb/configure.in b/gdb/configure.in
index 65b62f0..07aab35 100644
--- a/gdb/configure.in
+++ b/gdb/configure.in
@@ -204,6 +204,16 @@ AC_ARG_ENABLE(profiling,
[enable_profiling=no])
AC_CHECK_FUNCS(monstartup _mcleanup)
+AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
+[AC_TRY_LINK(
+[#include <stdlib.h>
+extern char _etext;
+],
+[free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
+if test $ac_cv_var__etext = yes; then
+ AC_DEFINE(HAVE__ETEXT, 1,
+ [Define to 1 if your system has the _etext variable. ])
+fi
if test "$enable_profiling" = yes ; then
if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
@@ -501,6 +511,18 @@ if test $gdb_cv_have_pt_getxmmregs = yes; then
AC_DEFINE(HAVE_PT_GETXMMREGS)
fi
+# See if stdint.h provides the uintptr_t type.
+# Autoconf 2.5X has an improved AC_CHECK_TYPE which will simplify this.
+AC_CACHE_CHECK([for uintptr_t in stdint.h], gdb_cv_have_uintptr_t,
+ [AC_TRY_COMPILE(
+ [#include <stdint.h>],
+ [uintptr_t foo = 0;],
+ gdb_cv_have_uintptr_t=yes,
+ gdb_cv_have_uintptr_t=no)])
+AC_MSG_RESULT($gdb_cv_have_uintptr_t)
+if test $gdb_cv_have_uintptr_t = yes; then
+ AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if <stdint.h> provides the uintptr_t type.])
+fi
BFD_NEED_DECLARATION(malloc)
BFD_NEED_DECLARATION(realloc)
@@ -895,7 +917,7 @@ AC_ARG_WITH(sysroot,
[ --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
[
case ${with_sysroot} in
- yes) AC_ERROR(with-sysroot must specify path) ;;
+ yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
*) TARGET_SYSTEM_ROOT=$with_sysroot ;;
esac
@@ -911,7 +933,8 @@ AC_ARG_WITH(sysroot,
test_prefix=$exec_prefix
fi
case ${TARGET_SYSTEM_ROOT} in
- ${test_prefix}*)
+ "${test_prefix}"|"${test_prefix}/"*|\
+ '${exec_prefix}'|'${exec_prefix}/'*)
t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
TARGET_SYSTEM_ROOT_DEFINE="$t"
;;