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-rw-r--r--libiberty/aclocal.m41
-rwxr-xr-xlibiberty/configure548
-rw-r--r--libiberty/configure.ac43
3 files changed, 440 insertions, 152 deletions
diff --git a/libiberty/aclocal.m4 b/libiberty/aclocal.m4
index 9678b0a..46cefc3 100644
--- a/libiberty/aclocal.m4
+++ b/libiberty/aclocal.m4
@@ -14,6 +14,7 @@
m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
m4_include([../config/acx.m4])
m4_include([../config/cet.m4])
+m4_include([../config/clang-plugin.m4])
m4_include([../config/enable.m4])
m4_include([../config/gcc-plugin.m4])
m4_include([../config/hwcaps.m4])
diff --git a/libiberty/configure b/libiberty/configure
index f0309ff..0c4a1b0 100755
--- a/libiberty/configure
+++ b/libiberty/configure
@@ -640,6 +640,9 @@ INSTALL_PROGRAM
OUTPUT_OPTION
NO_MINUS_C_MINUS_O
ac_libiberty_warn_cflags
+RANLIB_PLUGIN_OPTION
+AR_PLUGIN_OPTION
+LLVM_CONFIG
EGREP
GREP
CPP
@@ -650,8 +653,6 @@ CPPFLAGS
LDFLAGS
CFLAGS
CC
-RANLIB_PLUGIN_OPTION
-AR_PLUGIN_OPTION
RANLIB
AR
host_os
@@ -2947,144 +2948,6 @@ else
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -plugin option" >&5
-$as_echo_n "checking for -plugin option... " >&6; }
-
-plugin_names="liblto_plugin.so liblto_plugin-0.dll cyglto_plugin-0.dll"
-plugin_option=
-for plugin in $plugin_names; do
- plugin_so=`${CC} ${CFLAGS} --print-prog-name $plugin`
- if test x$plugin_so = x$plugin; then
- plugin_so=`${CC} ${CFLAGS} --print-file-name $plugin`
- fi
- if test x$plugin_so != x$plugin; then
- plugin_option="--plugin $plugin_so"
- break
- fi
-done
-if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
-set dummy ${ac_tool_prefix}ar; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_AR+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$AR"; then
- ac_cv_prog_AR="$AR" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_AR="${ac_tool_prefix}ar"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-AR=$ac_cv_prog_AR
-if test -n "$AR"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
-$as_echo "$AR" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_AR"; then
- ac_ct_AR=$AR
- # Extract the first word of "ar", so it can be a program name with args.
-set dummy ar; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_AR+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_AR"; then
- ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_ac_ct_AR="ar"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_AR=$ac_cv_prog_ac_ct_AR
-if test -n "$ac_ct_AR"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5
-$as_echo "$ac_ct_AR" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_AR" = x; then
- AR=""
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- AR=$ac_ct_AR
- fi
-else
- AR="$ac_cv_prog_AR"
-fi
-
-if test "${AR}" = "" ; then
- as_fn_error $? "Required archive tool 'ar' not found on PATH." "$LINENO" 5
-fi
-touch conftest.c
-${AR} $plugin_option rc conftest.a conftest.c
-if test "$?" != 0; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Failed: $AR $plugin_option rc" >&5
-$as_echo "$as_me: WARNING: Failed: $AR $plugin_option rc" >&2;}
- plugin_option=
-fi
-rm -f conftest.*
-if test -n "$plugin_option"; then
- PLUGIN_OPTION="$plugin_option"
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $plugin_option" >&5
-$as_echo "$plugin_option" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-if test -n "$PLUGIN_OPTION"; then
- if $AR --help 2>&1 | grep -q "\--plugin"; then
- AR_PLUGIN_OPTION="$PLUGIN_OPTION"
-
- fi
- if $RANLIB --help 2>&1 | grep -q "\--plugin"; then
- RANLIB_PLUGIN_OPTION="$PLUGIN_OPTION"
-
- fi
-fi
-
# Add --enable-multilib to configure.
# Default to --enable-multilib
# Check whether --enable-multilib was given.
@@ -4616,6 +4479,411 @@ fi
ac_c_preproc_warn_flag=yes
+# Try CLANG_PLUGIN_FILE first since GCC_PLUGIN_OPTION may return the
+# wrong PLUGIN_OPTION with clang.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for clang" >&5
+$as_echo_n "checking for clang... " >&6; }
+if ${clang_cv_is_clang+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+#ifdef __clang__
+ yes
+#endif
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ $EGREP "yes" >/dev/null 2>&1; then :
+ clang_cv_is_clang=yes
+else
+ clang_cv_is_clang=no
+fi
+rm -f conftest*
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $clang_cv_is_clang" >&5
+$as_echo "$clang_cv_is_clang" >&6; }
+ plugin_file=
+ if test $clang_cv_is_clang = yes; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for clang plugin file" >&5
+$as_echo_n "checking for clang plugin file... " >&6; }
+ plugin_names="LLVMgold.so"
+ for plugin in $plugin_names; do
+ plugin_file=`${CC} ${CFLAGS} --print-file-name $plugin`
+ if test x$plugin_file = x$plugin; then
+ if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}llvm-config", so it can be a program name with args.
+set dummy ${ac_tool_prefix}llvm-config; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_LLVM_CONFIG+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$LLVM_CONFIG"; then
+ ac_cv_prog_LLVM_CONFIG="$LLVM_CONFIG" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_LLVM_CONFIG="${ac_tool_prefix}llvm-config"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+LLVM_CONFIG=$ac_cv_prog_LLVM_CONFIG
+if test -n "$LLVM_CONFIG"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LLVM_CONFIG" >&5
+$as_echo "$LLVM_CONFIG" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_LLVM_CONFIG"; then
+ ac_ct_LLVM_CONFIG=$LLVM_CONFIG
+ # Extract the first word of "llvm-config", so it can be a program name with args.
+set dummy llvm-config; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_LLVM_CONFIG+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_LLVM_CONFIG"; then
+ ac_cv_prog_ac_ct_LLVM_CONFIG="$ac_ct_LLVM_CONFIG" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_LLVM_CONFIG="llvm-config"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_LLVM_CONFIG=$ac_cv_prog_ac_ct_LLVM_CONFIG
+if test -n "$ac_ct_LLVM_CONFIG"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LLVM_CONFIG" >&5
+$as_echo "$ac_ct_LLVM_CONFIG" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_LLVM_CONFIG" = x; then
+ LLVM_CONFIG=""
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ LLVM_CONFIG=$ac_ct_LLVM_CONFIG
+ fi
+else
+ LLVM_CONFIG="$ac_cv_prog_LLVM_CONFIG"
+fi
+
+ if test "$?" != 0; then
+ as_fn_error $? "Required tool 'llvm-config' not found on PATH." "$LINENO" 5
+ fi
+ clang_lib_dir=`$LLVM_CONFIG --libdir`
+ if test -f $clang_lib_dir/$plugin; then
+ plugin_file=$clang_lib_dir/$plugin
+ fi
+ if test x$plugin_file != x$plugin; then
+ break;
+ fi
+ fi
+ done
+ if test -z $plugin_file; then
+ as_fn_error $? "Couldn't find clang plugin file for $CC." "$LINENO" 5
+ fi
+ if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ar; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_AR+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$AR"; then
+ ac_cv_prog_AR="$AR" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_AR="${ac_tool_prefix}ar"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+AR=$ac_cv_prog_AR
+if test -n "$AR"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
+$as_echo "$AR" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_AR"; then
+ ac_ct_AR=$AR
+ # Extract the first word of "ar", so it can be a program name with args.
+set dummy ar; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_AR+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_AR"; then
+ ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_AR="ar"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_AR=$ac_cv_prog_ac_ct_AR
+if test -n "$ac_ct_AR"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5
+$as_echo "$ac_ct_AR" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_AR" = x; then
+ AR=""
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ AR=$ac_ct_AR
+ fi
+else
+ AR="$ac_cv_prog_AR"
+fi
+
+ if test "${AR}" = "" ; then
+ as_fn_error $? "Required archive tool 'ar' not found on PATH." "$LINENO" 5
+ fi
+ plugin_option="--plugin $plugin_file"
+ touch conftest.c
+ ${AR} $plugin_option rc conftest.a conftest.c
+ if test "$?" != 0; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Failed: $AR $plugin_option rc" >&5
+$as_echo "$as_me: WARNING: Failed: $AR $plugin_option rc" >&2;}
+ plugin_file=
+ fi
+ rm -f conftest.*
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $plugin_file" >&5
+$as_echo "$plugin_file" >&6; }
+ fi
+ PLUGIN_FILE="$plugin_file"
+
+if test -n "$PLUGIN_FILE"; then
+ PLUGIN_OPTION="--plugin $PLUGIN_FILE"
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -plugin option" >&5
+$as_echo_n "checking for -plugin option... " >&6; }
+
+plugin_names="liblto_plugin.so liblto_plugin-0.dll cyglto_plugin-0.dll"
+plugin_option=
+for plugin in $plugin_names; do
+ plugin_so=`${CC} ${CFLAGS} --print-prog-name $plugin`
+ if test x$plugin_so = x$plugin; then
+ plugin_so=`${CC} ${CFLAGS} --print-file-name $plugin`
+ fi
+ if test x$plugin_so != x$plugin; then
+ plugin_option="--plugin $plugin_so"
+ break
+ fi
+done
+if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ar; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_AR+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$AR"; then
+ ac_cv_prog_AR="$AR" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_AR="${ac_tool_prefix}ar"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+AR=$ac_cv_prog_AR
+if test -n "$AR"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
+$as_echo "$AR" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_AR"; then
+ ac_ct_AR=$AR
+ # Extract the first word of "ar", so it can be a program name with args.
+set dummy ar; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_AR+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_AR"; then
+ ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_AR="ar"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_AR=$ac_cv_prog_ac_ct_AR
+if test -n "$ac_ct_AR"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5
+$as_echo "$ac_ct_AR" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_AR" = x; then
+ AR=""
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ AR=$ac_ct_AR
+ fi
+else
+ AR="$ac_cv_prog_AR"
+fi
+
+if test "${AR}" = "" ; then
+ as_fn_error $? "Required archive tool 'ar' not found on PATH." "$LINENO" 5
+fi
+touch conftest.c
+${AR} $plugin_option rc conftest.a conftest.c
+if test "$?" != 0; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Failed: $AR $plugin_option rc" >&5
+$as_echo "$as_me: WARNING: Failed: $AR $plugin_option rc" >&2;}
+ plugin_option=
+fi
+rm -f conftest.*
+if test -n "$plugin_option"; then
+ PLUGIN_OPTION="$plugin_option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $plugin_option" >&5
+$as_echo "$plugin_option" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+fi
+if test -n "$PLUGIN_OPTION"; then
+ case "$AR" in
+ *"$PLUGIN_OPTION"*)
+ ;;
+ *)
+ if $AR --help 2>&1 | grep -q "\--plugin"; then
+ AR_PLUGIN_OPTION="$PLUGIN_OPTION"
+
+ fi
+ ;;
+ esac
+ case "$RANLIB" in
+ *"$PLUGIN_OPTION"*)
+ ;;
+ *)
+ if $RANLIB --help 2>&1 | grep -q "\--plugin"; then
+ RANLIB_PLUGIN_OPTION="$PLUGIN_OPTION"
+
+ fi
+ ;;
+ esac
+fi
+
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
diff --git a/libiberty/configure.ac b/libiberty/configure.ac
index 3de5eca..199fa19 100644
--- a/libiberty/configure.ac
+++ b/libiberty/configure.ac
@@ -114,18 +114,6 @@ 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
@@ -176,6 +164,37 @@ AC_USE_SYSTEM_EXTENSIONS
AC_SYS_LARGEFILE
AC_PROG_CPP_WERROR
+# Try CLANG_PLUGIN_FILE first since GCC_PLUGIN_OPTION may return the
+# wrong PLUGIN_OPTION with clang.
+CLANG_PLUGIN_FILE(PLUGIN_FILE)
+if test -n "$PLUGIN_FILE"; then
+ PLUGIN_OPTION="--plugin $PLUGIN_FILE"
+else
+ GCC_PLUGIN_OPTION(PLUGIN_OPTION)
+fi
+if test -n "$PLUGIN_OPTION"; then
+ case "$AR" in
+ *"$PLUGIN_OPTION"*)
+ ;;
+ *)
+ if $AR --help 2>&1 | grep -q "\--plugin"; then
+ AR_PLUGIN_OPTION="$PLUGIN_OPTION"
+ AC_SUBST(AR_PLUGIN_OPTION)
+ fi
+ ;;
+ esac
+ case "$RANLIB" in
+ *"$PLUGIN_OPTION"*)
+ ;;
+ *)
+ if $RANLIB --help 2>&1 | grep -q "\--plugin"; then
+ RANLIB_PLUGIN_OPTION="$PLUGIN_OPTION"
+ AC_SUBST(RANLIB_PLUGIN_OPTION)
+ fi
+ ;;
+ esac
+fi
+
ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wc++-compat \
-Wstrict-prototypes \
-Wshadow=local], [ac_libiberty_warn_cflags])