* scripttempl/elf.sc: Add .note.gnu.build-id.

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

diff --git a/gdb/configure.ac b/gdb/configure.ac
index 7a6bd80b6f69c871ce1e66a5269730fe846852f5..ff1f8fc87423a616679793ab0d3114471fa1f861 100644 (file)
--- a/gdb/configure.ac
+++ b/gdb/configure.ac
@@ -75,6 +75,22 @@ AC_DEFINE_DIR(DEBUGDIR, debugdir,
               [Global directory for separate debug files. ])
 #AC_DEFINE_UNQUOTED(DEBUGDIR, "$debugdir"),
 
+if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
+  if test "x$prefix" = xNONE; then
+    test_prefix=/usr/local
+  else
+    test_prefix=$prefix
+  fi
+else
+  test_prefix=$exec_prefix
+fi
+case ${debugdir} in
+"${test_prefix}"|"${test_prefix}/"*|\
+'${exec_prefix}'|'${exec_prefix}/'*)
+  AC_DEFINE(DEBUGDIR_RELOCATABLE, 1, [Define if the debug directory should be relocated when GDB is moved.])
+  ;;
+esac
+
 AC_CONFIG_SUBDIRS(doc testsuite)
 
 # Provide defaults for some variables set by the per-host and per-target
@@ -325,6 +341,11 @@ AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
                      [XML_Parser p = XML_ParserCreate (0);])
 if test "$HAVE_LIBEXPAT" != yes; then
   AC_MSG_WARN([expat is missing or unusable; some features may be disabled.])
+else
+  save_LIBS=$LIBS
+  LIBS="$LIBS $LIBEXPAT"
+  AC_CHECK_FUNCS(XML_StopParser)
+  LIBS=$save_LIBS
 fi
 
 # ------------------------- #
@@ -346,6 +367,7 @@ AC_CHECK_HEADERS(link.h, [], [],
 AC_CHECK_HEADERS(machine/reg.h)
 AC_CHECK_HEADERS(poll.h sys/poll.h)
 AC_CHECK_HEADERS(proc_service.h thread_db.h gnu/libc-version.h)
+AC_CHECK_HEADERS(signal.h)
 AC_CHECK_HEADERS(stddef.h)
 AC_CHECK_HEADERS(stdlib.h)
 AC_CHECK_HEADERS(stdint.h)
@@ -355,6 +377,7 @@ AC_CHECK_HEADERS(sys/file.h)
 AC_CHECK_HEADERS(sys/filio.h)
 AC_CHECK_HEADERS(sys/ioctl.h)
 AC_CHECK_HEADERS(sys/param.h)
+AC_CHECK_HEADERS(sys/resource.h)
 AC_CHECK_HEADERS(sys/proc.h, [], [],
 [#if HAVE_SYS_PARAM_H
 # include <sys/param.h>
@@ -442,6 +465,7 @@ AC_FUNC_ALLOCA
 AC_FUNC_MMAP
 AC_FUNC_VFORK
 AC_CHECK_FUNCS(canonicalize_file_name realpath)
+AC_CHECK_FUNCS(getrusage)
 AC_CHECK_FUNCS(getuid getgid)
 AC_CHECK_FUNCS(poll)
 AC_CHECK_FUNCS(pread64)
@@ -662,18 +686,10 @@ if test $gdb_cv_have_pt_getxmmregs = yes; then
   [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
 fi
 
-# If we are configured native on GNU/Linux, work around problems with
-# sys/procfs.h
-# Also detect which type of /proc is in use, such as for Unixware or Solaris.
+# Detect which type of /proc is in use, such as for Unixware or Solaris.
 
 if test "${target}" = "${host}"; then
   case "${host}" in
-  i[[3456]]86-*-linux*)
-       AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED, 2,
-        [Define on a GNU/Linux system to work around problems in sys/procfs.h.])
-       AC_DEFINE(sys_quotactl, 1,
-        [Define on a GNU/Linux system to work around problems in sys/procfs.h.])
-       ;;
   *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
       AC_DEFINE(NEW_PROC_API, 1,
       [Define if you want to use new multi-fd /proc interface
@@ -1097,17 +1113,20 @@ AC_ARG_WITH(sysroot,
 
  TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
 
- if test "x$exec_prefix" = xNONE; then
-  if test "x$prefix" = xNONE; then
-   test_prefix=/usr/local
-  else
-   test_prefix=$prefix
-  fi
+ if test "x$prefix" = xNONE; then
+  test_prefix=/usr/local
  else
-  test_prefix=$exec_prefix
+  test_prefix=$prefix
+ fi
+ if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
+  test_exec_prefix=$test_prefix
+ else
+  test_exec_prefix=$exec_prefix
  fi
  case ${TARGET_SYSTEM_ROOT} in
  "${test_prefix}"|"${test_prefix}/"*|\
+ "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
+ '${prefix}'|'${prefix}/'*|\
  '${exec_prefix}'|'${exec_prefix}/'*)
    t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
    TARGET_SYSTEM_ROOT_DEFINE="$t"
@@ -1145,7 +1164,7 @@ fi
 # gdb/doc/gdbint.texinfo.
 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
 -Wformat-nonliteral -Wno-pointer-sign \
--Wno-unused -Wno-switch"
+-Wno-unused -Wno-switch -Wno-char-subscripts"
 
 AC_ARG_ENABLE(build-warnings,
 [  --enable-build-warnings Enable build-time compiler warnings if gcc is used],
@@ -1236,6 +1255,30 @@ case ${host} in
 esac       
 AC_SUBST(WIN32LIBS)
 
+# Add ELF support to GDB, but only if BFD includes ELF support.
+OLD_CFLAGS=$CFLAGS
+OLD_LDFLAGS=$LDFLAGS
+OLD_LIBS=$LIBS
+CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
+LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
+LIBS="$LIBS -lbfd -liberty"
+AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
+[AC_TRY_LINK(
+[#include <stdlib.h>
+#include "bfd.h"
+#include "elf-bfd.h"
+],
+[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"
+  AC_DEFINE(HAVE_ELF, 1,
+           [Define if ELF support should be included.])
+fi
+CFLAGS=$OLD_CFLAGS
+LDFLAGS=$OLD_LDFLAGS
+LIBS=$OLD_LIBS
+
 # Add any host-specific objects to GDB.
 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
 
@@ -1462,7 +1505,7 @@ s/XM_FILE[        ]*=[    ]*\([^  ]*\)/\1/p
 ' ${host_makefile_frag}`
 
 targetfile=`sed -n '
-s/DEPRECATED_TM_FILE[  ]*=[    ]*\([^  ]*\)/\1/p
+s/^[   ]*DEPRECATED_TM_FILE[   ]*=[    ]*\([^  ]*\)/\1/p
 ' ${target_makefile_frag}`
 
 if test "${gdb_native}" = "yes"; then