ld-x86-64: Pass options to linker with "-Wl,"

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

diff --git a/libiberty/configure.ac b/libiberty/configure.ac
index 9d3f2988d5d240d95a2bdc3829e8837efcc6b898..9b451a4c61a0fc397ebe29a53e386a1cd855ec39 100644 (file)
--- a/libiberty/configure.ac
+++ b/libiberty/configure.ac
@@ -1,6 +1,5 @@
 dnl Process this file with autoconf to produce a configure script
 
-AC_PREREQ(2.64)
 AC_INIT
 AC_CONFIG_SRCDIR([xmalloc.c])
 
@@ -109,6 +108,18 @@ dnl to call AC_CHECK_PROG.
 AC_CHECK_TOOL(AR, ar)
 AC_CHECK_TOOL(RANLIB, ranlib, :)
 
+GCC_PLUGIN_OPTION(PLUGIN_OPTION)
+if test -n "$PLUGIN_OPTION"; then
+  if $AR --help 2>&1 | grep -q "\--plugin"; then
+    AR_PLUGIN_OPTION="$PLUGIN_OPTION"
+    AC_SUBST(AR_PLUGIN_OPTION)
+  fi
+  if $RANLIB --help 2>&1 | grep -q "\--plugin"; then
+    RANLIB_PLUGIN_OPTION="$PLUGIN_OPTION"
+    AC_SUBST(RANLIB_PLUGIN_OPTION)
+  fi
+fi
+
 dnl When switching to automake, replace the following with AM_ENABLE_MULTILIB.
 # Add --enable-multilib to configure.
 # Default to --enable-multilib
@@ -160,7 +171,8 @@ AC_SYS_LARGEFILE
 AC_PROG_CPP_WERROR
 
 ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wc++-compat \
-                         -Wstrict-prototypes], [ac_libiberty_warn_cflags])
+                         -Wstrict-prototypes \
+                         -Wshadow=local], [ac_libiberty_warn_cflags])
 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([], [ac_libiberty_warn_cflags])
 
 AC_PROG_CC_C_O
@@ -240,9 +252,13 @@ AC_SUBST(PICFLAG)
 NOASANFLAG=
 case " ${CFLAGS} " in
   *\ -fsanitize=address\ *) NOASANFLAG=-fno-sanitize=address ;;
+  *\ -fsanitize=hwaddress\ *) NOASANFLAG=-fno-sanitize=hwaddress ;;
 esac
 AC_SUBST(NOASANFLAG)
 
+GCC_CET_HOST_FLAGS(CET_HOST_FLAGS)
+AC_SUBST(CET_HOST_FLAGS)
+
 echo "# Warning: this fragment is automatically generated" > temp-frag
 
 if [[ -n "${frag}" ]] && [[ -f "${frag}" ]]; then
@@ -390,7 +406,7 @@ funcs="$funcs setproctitle"
 vars="sys_errlist sys_nerr sys_siglist"
 
 checkfuncs="__fsetlocking canonicalize_file_name dup3 getrlimit getrusage \
- getsysinfo gettimeofday on_exit psignal pstat_getdynamic pstat_getstatic \
+ getsysinfo gettimeofday on_exit pipe2 psignal pstat_getdynamic pstat_getstatic \
  realpath setrlimit sbrk spawnve spawnvpe strerror strsignal sysconf sysctl \
  sysmp table times wait3 wait4"
 
@@ -406,7 +422,7 @@ if test "x" = "y"; then
     index insque \
     memchr memcmp memcpy memmem memmove memset mkstemps \
     on_exit \
-    psignal pstat_getdynamic pstat_getstatic putenv \
+    pipe2 psignal pstat_getdynamic pstat_getstatic putenv \
     random realpath rename rindex \
     sbrk setenv setproctitle setrlimit sigsetmask snprintf spawnve spawnvpe \
      stpcpy stpncpy strcasecmp strchr strdup \
@@ -415,7 +431,7 @@ if test "x" = "y"; then
     table times tmpnam \
     vasprintf vfprintf vprintf vsprintf \
     wait3 wait4 waitpid)
-  AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf, strtol, strtoul, strtoll, strtoull])
+  AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf, strtol, strtoul, strtoll, strtoull, strnlen])
   AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
   AC_DEFINE(HAVE_SYS_NERR,    1, [Define if you have the sys_nerr variable.])
   AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])
@@ -607,6 +623,12 @@ if test -z "${setobjs}"; then
     ac_cv_func_getpagesize=yes
     ;;
 
+  hppa*-*-hpux*)
+    # Replace system snprintf and vsnprintf with libiberty implementations.
+    AC_LIBOBJ([snprintf])
+    AC_LIBOBJ([vsnprintf])
+    ;;
+
   *-*-mingw32*)
     # Under mingw32, sys_nerr and sys_errlist exist, but they are
     # macros, so the test below won't find them.
@@ -661,7 +683,7 @@ if test -z "${setobjs}"; then
   for v in $vars; do
     AC_MSG_CHECKING([for $v])
     AC_CACHE_VAL(libiberty_cv_var_$v,
-      [AC_LINK_IFELSE([AC_LANG_PROGRAM([[int *p;]],[[extern int $v []; p = $v;]])],
+      [AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern int $v [];]],[[if ($v [0]) return 1;]])],
                      [eval "libiberty_cv_var_$v=yes"],
                      [eval "libiberty_cv_var_$v=no"])])
     if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then
@@ -688,6 +710,7 @@ if test -z "${setobjs}"; then
   AC_CHECK_DECLS([calloc, getenv, getopt, malloc, realloc, sbrk])
   AC_CHECK_DECLS([strtol, strtoul, strtoll, strtoull])
   AC_CHECK_DECLS([strverscmp])
+  AC_CHECK_DECLS([strnlen])
   libiberty_NEED_DECLARATION(canonicalize_file_name)
 fi