+2010-11-03 Ian Lance Taylor <iant@google.com>
+ Dave Korn <dave.korn.cygwin@gmail.com>
+
+ PR lto/46273
+ * configure.ac: Remove libelf tests. Build lto-plugin on ELF always
+ and on other supported platforms whenever LTO is enabled.
+ * configure: Rebuild.
+
2010-11-02 Alan Modra <amodra@gmail.com>
PR binutils/12110
ac_unique_file="move-if-change"
enable_option_checking=no
-# Factoring default headers for most tests.
-ac_includes_default="\
-#include <stdio.h>
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-# include <sys/stat.h>
-#endif
-#ifdef STDC_HEADERS
-# include <stdlib.h>
-# include <stddef.h>
-#else
-# ifdef HAVE_STDLIB_H
-# include <stdlib.h>
-# endif
-#endif
-#ifdef HAVE_STRING_H
-# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
-# include <memory.h>
-# endif
-# include <string.h>
-#endif
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#endif
-#ifdef HAVE_INTTYPES_H
-# include <inttypes.h>
-#endif
-#ifdef HAVE_STDINT_H
-# include <stdint.h>
-#endif
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif"
-
ac_subst_vars='LTLIBOBJS
LIBOBJS
compare_exclusions
SYSROOT_CFLAGS_FOR_TARGET
stage1_languages
extra_host_libiberty_configure_flags
-libelfinc
-libelflibs
-EGREP
-GREP
-CPP
clooginc
clooglibs
pplinc
with_cloog_lib
enable_cloog_version_check
enable_lto
-with_libelf
-with_libelf_include
-with_libelf_lib
enable_stage1_languages
enable_objc_gc
with_build_sysroot
CXX
CXXFLAGS
CCC
-CPP
build_configargs
host_configargs
target_configargs
plus --with-cloog-lib=PATH/lib
--with-cloog-include=PATH Specify directory for installed CLooG include files
--with-cloog-lib=PATH Specify the directory for the installed CLooG library
- --with-libelf=PATH Specify prefix directory for the installed libelf package
- Equivalent to --with-libelf-include=PATH/include
- plus --with-libelf-lib=PATH/lib
- --with-libelf-include=PATH Specify directory for installed libelf include files
- --with-libelf-lib=PATH Specify the directory for the installed libelf library
--with-build-sysroot=SYSROOT
use sysroot as the system root during the build
--with-debug-prefix-map='A=B C=D ...'
you have headers in a nonstandard directory <include dir>
CXX C++ compiler command
CXXFLAGS C++ compiler flags
- CPP C preprocessor
build_configargs
additional configure arguments for build directories
host_configargs
return $ac_retval
} # ac_fn_c_try_link
-
-# ac_fn_c_try_cpp LINENO
-# ----------------------
-# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
-ac_fn_c_try_cpp ()
-{
- as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
- if { { ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
- (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
- ac_status=$?
- if test -s conftest.err; then
- grep -v '^ *+' conftest.err >conftest.er1
- cat conftest.er1 >&5
- mv -f conftest.er1 conftest.err
- fi
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; } >/dev/null && {
- test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
- test ! -s conftest.err
- }; then :
- ac_retval=0
-else
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- ac_retval=1
-fi
- eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
- return $ac_retval
-
-} # ac_fn_c_try_cpp
-
-# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
-# -------------------------------------------------------
-# Tests whether HEADER exists, giving a warning if it cannot be compiled using
-# the include files in INCLUDES and setting the cache variable VAR
-# accordingly.
-ac_fn_c_check_header_mongrel ()
-{
- as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
- if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
- $as_echo_n "(cached) " >&6
-fi
-eval ac_res=\$$3
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-else
- # Is the header compilable?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
-$as_echo_n "checking $2 usability... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-$4
-#include <$2>
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- ac_header_compiler=yes
-else
- ac_header_compiler=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
-$as_echo_n "checking $2 presence... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <$2>
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
- ac_header_preproc=yes
-else
- ac_header_preproc=no
-fi
-rm -f conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So? What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((
- yes:no: )
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
- ;;
- no:yes:* )
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: $2: check for missing prerequisite headers?" >&2;}
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: $2: section \"Present But Cannot Be Compiled\"" >&2;}
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
- ;;
-esac
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
- $as_echo_n "(cached) " >&6
-else
- eval "$3=\$ac_header_compiler"
-fi
-eval ac_res=\$$3
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-fi
- eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-
-} # ac_fn_c_check_header_mongrel
-
-# ac_fn_c_try_run LINENO
-# ----------------------
-# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
-# that executables *can* be run.
-ac_fn_c_try_run ()
-{
- as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
- if { { ac_try="$ac_link"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
- (eval "$ac_link") 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
- { { case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
- (eval "$ac_try") 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; }; then :
- ac_retval=0
-else
- $as_echo "$as_me: program exited with status $ac_status" >&5
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- ac_retval=$ac_status
-fi
- rm -rf conftest.dSYM conftest_ipa8_conftest.oo
- eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
- return $ac_retval
-
-} # ac_fn_c_try_run
-
-# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
-# -------------------------------------------------------
-# Tests whether HEADER exists and can be compiled using the include files in
-# INCLUDES, setting the cache variable VAR accordingly.
-ac_fn_c_check_header_compile ()
-{
- as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-$4
-#include <$2>
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- eval "$3=yes"
-else
- eval "$3=no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-eval ac_res=\$$3
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
- eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-
-} # ac_fn_c_check_header_compile
cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
-$as_echo_n "checking how to run the C preprocessor... " >&6; }
-# On Suns, sometimes $CPP names a directory.
-if test -n "$CPP" && test -d "$CPP"; then
- CPP=
-fi
-if test -z "$CPP"; then
- if test "${ac_cv_prog_CPP+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- # Double quotes because CPP needs to be expanded
- for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
- do
- ac_preproc_ok=false
-for ac_c_preproc_warn_flag in '' yes
-do
- # Use a header file that comes with gcc, so configuring glibc
- # with a fresh cross-compiler works.
- # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
- # <limits.h> exists even on freestanding compilers.
- # On the NeXT, cc -E runs the code through the compiler's parser,
- # not just through cpp. "Syntax error" is here to catch this case.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
- Syntax error
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-
-else
- # Broken: fails on valid input.
-continue
-fi
-rm -f conftest.err conftest.$ac_ext
-
- # OK, works on sane cases. Now check whether nonexistent headers
- # can be detected and how.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <ac_nonexistent.h>
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
- # Broken: success on invalid input.
-continue
-else
- # Passes both tests.
-ac_preproc_ok=:
-break
-fi
-rm -f conftest.err conftest.$ac_ext
-
-done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
- break
-fi
-
- done
- ac_cv_prog_CPP=$CPP
-
-fi
- CPP=$ac_cv_prog_CPP
-else
- ac_cv_prog_CPP=$CPP
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
-$as_echo "$CPP" >&6; }
-ac_preproc_ok=false
-for ac_c_preproc_warn_flag in '' yes
-do
- # Use a header file that comes with gcc, so configuring glibc
- # with a fresh cross-compiler works.
- # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
- # <limits.h> exists even on freestanding compilers.
- # On the NeXT, cc -E runs the code through the compiler's parser,
- # not just through cpp. "Syntax error" is here to catch this case.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
- Syntax error
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-
-else
- # Broken: fails on valid input.
-continue
-fi
-rm -f conftest.err conftest.$ac_ext
-
- # OK, works on sane cases. Now check whether nonexistent headers
- # can be detected and how.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <ac_nonexistent.h>
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
- # Broken: success on invalid input.
-continue
-else
- # Passes both tests.
-ac_preproc_ok=:
-break
-fi
-rm -f conftest.err conftest.$ac_ext
-
-done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
-
-else
- { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." "$LINENO" 5; }
-fi
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
-$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if test "${ac_cv_path_GREP+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- if test -z "$GREP"; then
- ac_path_GREP_found=false
- # Loop through the user's path and test for each of PROGNAME-LIST
- as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_prog in grep ggrep; do
- for ac_exec_ext in '' $ac_executable_extensions; do
- ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
- { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
-# Check for GNU ac_path_GREP and select it if it is found.
- # Check for GNU $ac_path_GREP
-case `"$ac_path_GREP" --version 2>&1` in
-*GNU*)
- ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
-*)
- ac_count=0
- $as_echo_n 0123456789 >"conftest.in"
- while :
- do
- cat "conftest.in" "conftest.in" >"conftest.tmp"
- mv "conftest.tmp" "conftest.in"
- cp "conftest.in" "conftest.nl"
- $as_echo 'GREP' >> "conftest.nl"
- "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
- diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
- as_fn_arith $ac_count + 1 && ac_count=$as_val
- if test $ac_count -gt ${ac_path_GREP_max-0}; then
- # Best one so far, save it but keep looking for a better one
- ac_cv_path_GREP="$ac_path_GREP"
- ac_path_GREP_max=$ac_count
- fi
- # 10*(2^10) chars as input seems more than enough
- test $ac_count -gt 10 && break
- done
- rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
-esac
-
- $ac_path_GREP_found && break 3
- done
- done
- done
-IFS=$as_save_IFS
- if test -z "$ac_cv_path_GREP"; then
- as_fn_error "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
- fi
-else
- ac_cv_path_GREP=$GREP
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
-$as_echo "$ac_cv_path_GREP" >&6; }
- GREP="$ac_cv_path_GREP"
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
-$as_echo_n "checking for egrep... " >&6; }
-if test "${ac_cv_path_EGREP+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
- then ac_cv_path_EGREP="$GREP -E"
- else
- if test -z "$EGREP"; then
- ac_path_EGREP_found=false
- # Loop through the user's path and test for each of PROGNAME-LIST
- as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_prog in egrep; do
- for ac_exec_ext in '' $ac_executable_extensions; do
- ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
- { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
-# Check for GNU ac_path_EGREP and select it if it is found.
- # Check for GNU $ac_path_EGREP
-case `"$ac_path_EGREP" --version 2>&1` in
-*GNU*)
- ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
-*)
- ac_count=0
- $as_echo_n 0123456789 >"conftest.in"
- while :
- do
- cat "conftest.in" "conftest.in" >"conftest.tmp"
- mv "conftest.tmp" "conftest.in"
- cp "conftest.in" "conftest.nl"
- $as_echo 'EGREP' >> "conftest.nl"
- "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
- diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
- as_fn_arith $ac_count + 1 && ac_count=$as_val
- if test $ac_count -gt ${ac_path_EGREP_max-0}; then
- # Best one so far, save it but keep looking for a better one
- ac_cv_path_EGREP="$ac_path_EGREP"
- ac_path_EGREP_max=$ac_count
- fi
- # 10*(2^10) chars as input seems more than enough
- test $ac_count -gt 10 && break
- done
- rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
-esac
-
- $ac_path_EGREP_found && break 3
- done
- done
- done
-IFS=$as_save_IFS
- if test -z "$ac_cv_path_EGREP"; then
- as_fn_error "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
- fi
-else
- ac_cv_path_EGREP=$EGREP
-fi
-
- fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
-$as_echo "$ac_cv_path_EGREP" >&6; }
- EGREP="$ac_cv_path_EGREP"
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
-$as_echo_n "checking for ANSI C header files... " >&6; }
-if test "${ac_cv_header_stdc+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <float.h>
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- ac_cv_header_stdc=yes
-else
- ac_cv_header_stdc=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-if test $ac_cv_header_stdc = yes; then
- # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <string.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
- $EGREP "memchr" >/dev/null 2>&1; then :
-
-else
- ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
- # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <stdlib.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
- $EGREP "free" >/dev/null 2>&1; then :
-
-else
- ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
- # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
- if test "$cross_compiling" = yes; then :
- :
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <ctype.h>
-#include <stdlib.h>
-#if ((' ' & 0x0FF) == 0x020)
-# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
-# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
-#else
-# define ISLOWER(c) \
- (('a' <= (c) && (c) <= 'i') \
- || ('j' <= (c) && (c) <= 'r') \
- || ('s' <= (c) && (c) <= 'z'))
-# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
-#endif
-
-#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
-int
-main ()
-{
- int i;
- for (i = 0; i < 256; i++)
- if (XOR (islower (i), ISLOWER (i))
- || toupper (i) != TOUPPER (i))
- return 2;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-
-else
- ac_cv_header_stdc=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
- conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
-$as_echo "$ac_cv_header_stdc" >&6; }
-if test $ac_cv_header_stdc = yes; then
-
-$as_echo "#define STDC_HEADERS 1" >>confdefs.h
-
-fi
-
-# On IRIX 5.3, sys/types and inttypes.h are conflicting.
-for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
- inttypes.h stdint.h unistd.h
-do :
- as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
-"
-eval as_val=\$$as_ac_Header
- if test "x$as_val" = x""yes; then :
- cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-
-done
-
-
-
target_elf=no
esac
if test $target_elf = yes; then :
- if test x"$enable_lto" = x"yes" ; then
- # Make sure that libelf.h and gelf.h are available.
-
-# Check whether --with-libelf was given.
-if test "${with_libelf+set}" = set; then :
- withval=$with_libelf;
-fi
-
-
-
-# Check whether --with-libelf_include was given.
-if test "${with_libelf_include+set}" = set; then :
- withval=$with_libelf_include;
-fi
-
-
+ # ELF platforms build the lto-plugin always.
+ build_lto_plugin=yes
-# Check whether --with-libelf_lib was given.
-if test "${with_libelf_lib+set}" = set; then :
- withval=$with_libelf_lib;
-fi
-
-
- saved_CFLAGS="$CFLAGS"
- saved_CPPFLAGS="$CPPFLAGS"
- saved_LIBS="$LIBS"
-
- case $with_libelf in
- "")
- libelflibs="-lelf"
- libelfinc="-I/usr/include/libelf"
- ;;
- *)
- libelflibs="-L$with_libelf/lib -lelf"
- libelfinc="-I$with_libelf/include -I$with_libelf/include/libelf"
- LIBS="$libelflibs $LIBS"
- ;;
- esac
-
- if test "x$with_libelf_include" != x; then
- libelfinc="-I$with_libelf_include"
- fi
-
- if test "x$with_libelf_lib" != x; then
- libelflibs="-L$with_libelf_lib -lelf"
- LIBS="$libelflibs $LIBS"
- fi
-
- if test "x$with_libelf$with_libelf_include$with_libelf_lib" = x \
- && test -d ${srcdir}/libelf; then
- libelflibs='-L$$r/$(HOST_SUBDIR)/libelf/lib -lelf '
- libelfinc='-D__LIBELF_INTERNAL__ -I$$r/$(HOST_SUBDIR)/libelf/lib -I$$s/libelf/lib'
- LIBS="$libelflibs $LIBS"
-
- else
-
- CFLAGS="$CFLAGS $libelfinc"
- CPPFLAGS="$CPPFLAGS $libelfinc"
- LIBS="$LIBS $libelflibs"
-
- for ac_header in libelf.h
-do :
- ac_fn_c_check_header_mongrel "$LINENO" "libelf.h" "ac_cv_header_libelf_h" "$ac_includes_default"
-if test "x$ac_cv_header_libelf_h" = x""yes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBELF_H 1
-_ACEOF
- have_libelf_h=yes
-fi
-
-done
-
- for ac_header in gelf.h
-do :
- ac_fn_c_check_header_mongrel "$LINENO" "gelf.h" "ac_cv_header_gelf_h" "$ac_includes_default"
-if test "x$ac_cv_header_gelf_h" = x""yes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_GELF_H 1
-_ACEOF
- have_gelf_h=yes
-fi
-
-done
-
-
- for ac_header in libelf/libelf.h
-do :
- ac_fn_c_check_header_mongrel "$LINENO" "libelf/libelf.h" "ac_cv_header_libelf_libelf_h" "$ac_includes_default"
-if test "x$ac_cv_header_libelf_libelf_h" = x""yes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBELF_LIBELF_H 1
-_ACEOF
- have_libelf_libelf_h=yes
-fi
-
-done
-
- for ac_header in libelf/gelf.h
-do :
- ac_fn_c_check_header_mongrel "$LINENO" "libelf/gelf.h" "ac_cv_header_libelf_gelf_h" "$ac_includes_default"
-if test "x$ac_cv_header_libelf_gelf_h" = x""yes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBELF_GELF_H 1
-_ACEOF
- have_libelf_gelf_h=yes
-fi
-
-done
-
-
- # If we couldn't find libelf.h and the user forced it, emit an error.
- if test x"$have_libelf_h" != x"yes" \
- && test x"$have_libelf_libelf_h" != x"yes" ; then
- if test x"$default_enable_lto" != x"yes" ; then
- as_fn_error "LTO support requires libelf.h or libelf/libelf.h." "$LINENO" 5
- else
- enable_lto=no
- libelflibs=
- libelfinc=
- fi
- fi
-
- # If we couldn't find gelf.h and the user forced it, emit an error.
- if test x"$have_gelf_h" != x"yes" \
- && test x"$have_libelf_gelf_h" != x"yes" ; then
- if test x"$default_enable_lto" != x"yes" ; then
- as_fn_error "LTO support requires gelf.h or libelf/gelf.h." "$LINENO" 5
- else
- enable_lto=no
- libelflibs=
- libelfinc=
- fi
- fi
-
- # Check that the detected libelf has the functions we need. We cannot
- # rely on just detecting the headers since they do not include
- # versioning information. Add functions, if needed.
- if test x"$enable_lto" = x"yes" ; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the correct version of libelf" >&5
-$as_echo_n "checking for the correct version of libelf... " >&6; }
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <libelf.h>
-int
-main ()
-{
-
- elf_errmsg (0);
- elf_getscn (0, 0);
- elf_nextscn (0, 0);
- elf_strptr (0, 0, 0);
- elf_getident (0, 0);
- elf_begin (0, 0, 0);
- elf_ndxscn (0);
- elf_end (0);
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; };
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }; enable_lto=no; libelflibs= ; libelfinc=
-
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-
- # Check for elf_getshdrstrndx or elf_getshstrndx. The latter's flavor
- # is determined in gcc/configure.ac.
- if test x"$enable_lto" = x"yes" ; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for elf_getshdrstrndx" >&5
-$as_echo_n "checking for elf_getshdrstrndx... " >&6; }
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <libelf.h>
-int
-main ()
-{
-
- elf_getshdrstrndx (0, 0);
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; };
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; };
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for elf_getshstrndx" >&5
-$as_echo_n "checking for elf_getshstrndx... " >&6; }
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <libelf.h>
-int
-main ()
-{
-
- elf_getshstrndx (0, 0);
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; };
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }; enable_lto=no; libelflibs= ; libelfinc=
-
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
- fi
-
- # If we couldn't enable LTO and the user forced it, emit an error.
- if test x"$enable_lto" = x"no" \
- && test x"$default_enable_lto" != x"yes" ; then
- as_fn_error "To enable LTO, GCC requires libelf v0.8.12+.
-Try the --with-libelf, --with-libelf-include and --with-libelf-lib options
-to specify its location." "$LINENO" 5
- fi
- fi
-
- CFLAGS="$saved_CFLAGS"
- CPPFLAGS="$saved_CPPFLAGS"
- LIBS="$saved_LIBS"
-
- fi
-
- # Flags needed for libelf.
-
-
- # ELF platforms build the lto-plugin when GOLD is in use.
- build_lto_plugin=${ENABLE_GOLD}
-fi
else
if test x"$default_enable_lto" = x"yes" ; then
case $target in
*-apple-darwin* | *-cygwin* | *-mingw*) ;;
- # On other non-ELF platforms, LTO must be explicitly enabled.
+ # On other non-ELF platforms, LTO has yet to be validated.
*) enable_lto=no ;;
esac
else
esac
fi
# Among non-ELF, only Windows platforms support the lto-plugin so far.
+ # Build it unless LTO was explicitly disabled.
case $target in
- *-cygwin* | *-mingw*) build_lto_plugin=yes ;;
+ *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
*) ;;
esac
- default_enable_lto=no
+
fi
enable_lto=$enableval,
enable_lto=yes; default_enable_lto=yes)
-
-ACX_ELF_TARGET_IFELSE([if test x"$enable_lto" = x"yes" ; then
- # Make sure that libelf.h and gelf.h are available.
- AC_ARG_WITH(libelf, [ --with-libelf=PATH Specify prefix directory for the installed libelf package
- Equivalent to --with-libelf-include=PATH/include
- plus --with-libelf-lib=PATH/lib])
-
- AC_ARG_WITH(libelf_include, [ --with-libelf-include=PATH Specify directory for installed libelf include files])
-
- AC_ARG_WITH(libelf_lib, [ --with-libelf-lib=PATH Specify the directory for the installed libelf library])
-
- saved_CFLAGS="$CFLAGS"
- saved_CPPFLAGS="$CPPFLAGS"
- saved_LIBS="$LIBS"
-
- case $with_libelf in
- "")
- libelflibs="-lelf"
- libelfinc="-I/usr/include/libelf"
- ;;
- *)
- libelflibs="-L$with_libelf/lib -lelf"
- libelfinc="-I$with_libelf/include -I$with_libelf/include/libelf"
- LIBS="$libelflibs $LIBS"
- ;;
- esac
-
- if test "x$with_libelf_include" != x; then
- libelfinc="-I$with_libelf_include"
- fi
-
- if test "x$with_libelf_lib" != x; then
- libelflibs="-L$with_libelf_lib -lelf"
- LIBS="$libelflibs $LIBS"
- fi
-
- if test "x$with_libelf$with_libelf_include$with_libelf_lib" = x \
- && test -d ${srcdir}/libelf; then
- libelflibs='-L$$r/$(HOST_SUBDIR)/libelf/lib -lelf '
- libelfinc='-D__LIBELF_INTERNAL__ -I$$r/$(HOST_SUBDIR)/libelf/lib -I$$s/libelf/lib'
- LIBS="$libelflibs $LIBS"
-
- else
-
- CFLAGS="$CFLAGS $libelfinc"
- CPPFLAGS="$CPPFLAGS $libelfinc"
- LIBS="$LIBS $libelflibs"
-
- AC_CHECK_HEADERS(libelf.h, [have_libelf_h=yes])
- AC_CHECK_HEADERS(gelf.h, [have_gelf_h=yes])
-
- AC_CHECK_HEADERS(libelf/libelf.h, [have_libelf_libelf_h=yes])
- AC_CHECK_HEADERS(libelf/gelf.h, [have_libelf_gelf_h=yes])
-
- # If we couldn't find libelf.h and the user forced it, emit an error.
- if test x"$have_libelf_h" != x"yes" \
- && test x"$have_libelf_libelf_h" != x"yes" ; then
- if test x"$default_enable_lto" != x"yes" ; then
- AC_MSG_ERROR([LTO support requires libelf.h or libelf/libelf.h.])
- else
- enable_lto=no
- libelflibs=
- libelfinc=
- fi
- fi
-
- # If we couldn't find gelf.h and the user forced it, emit an error.
- if test x"$have_gelf_h" != x"yes" \
- && test x"$have_libelf_gelf_h" != x"yes" ; then
- if test x"$default_enable_lto" != x"yes" ; then
- AC_MSG_ERROR([LTO support requires gelf.h or libelf/gelf.h.])
- else
- enable_lto=no
- libelflibs=
- libelfinc=
- fi
- fi
-
- # Check that the detected libelf has the functions we need. We cannot
- # rely on just detecting the headers since they do not include
- # versioning information. Add functions, if needed.
- if test x"$enable_lto" = x"yes" ; then
- AC_MSG_CHECKING([for the correct version of libelf])
- AC_TRY_LINK(
- [#include <libelf.h>],[
- elf_errmsg (0);
- elf_getscn (0, 0);
- elf_nextscn (0, 0);
- elf_strptr (0, 0, 0);
- elf_getident (0, 0);
- elf_begin (0, 0, 0);
- elf_ndxscn (0);
- elf_end (0);
- ],
- [AC_MSG_RESULT([yes]);],
- [AC_MSG_RESULT([no]); enable_lto=no; libelflibs= ; libelfinc= ]
- )
-
- # Check for elf_getshdrstrndx or elf_getshstrndx. The latter's flavor
- # is determined in gcc/configure.ac.
- if test x"$enable_lto" = x"yes" ; then
- AC_MSG_CHECKING([for elf_getshdrstrndx])
- AC_TRY_LINK(
- [#include <libelf.h>],[
- elf_getshdrstrndx (0, 0);
- ],
- [AC_MSG_RESULT([yes]);],
- [AC_MSG_RESULT([no]);
- AC_MSG_CHECKING([for elf_getshstrndx])
- AC_TRY_LINK(
- [#include <libelf.h>],[
- elf_getshstrndx (0, 0);
- ],
- [AC_MSG_RESULT([yes]);],
- [AC_MSG_RESULT([no]); enable_lto=no; libelflibs= ; libelfinc= ]
- )]
- )
- fi
-
- # If we couldn't enable LTO and the user forced it, emit an error.
- if test x"$enable_lto" = x"no" \
- && test x"$default_enable_lto" != x"yes" ; then
- AC_MSG_ERROR([To enable LTO, GCC requires libelf v0.8.12+.
-Try the --with-libelf, --with-libelf-include and --with-libelf-lib options
-to specify its location.])
- fi
- fi
-
- CFLAGS="$saved_CFLAGS"
- CPPFLAGS="$saved_CPPFLAGS"
- LIBS="$saved_LIBS"
-
- fi
-
- # Flags needed for libelf.
- AC_SUBST(libelflibs)
- AC_SUBST(libelfinc)
- # ELF platforms build the lto-plugin when GOLD is in use.
- build_lto_plugin=${ENABLE_GOLD}
-fi],[if test x"$default_enable_lto" = x"yes" ; then
+ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
+ build_lto_plugin=yes
+],[if test x"$default_enable_lto" = x"yes" ; then
case $target in
*-apple-darwin* | *-cygwin* | *-mingw*) ;;
- # On other non-ELF platforms, LTO must be explicitly enabled.
+ # On other non-ELF platforms, LTO has yet to be validated.
*) enable_lto=no ;;
esac
else
esac
fi
# Among non-ELF, only Windows platforms support the lto-plugin so far.
+ # Build it unless LTO was explicitly disabled.
case $target in
- *-cygwin* | *-mingw*) build_lto_plugin=yes ;;
+ *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
*) ;;
esac
- default_enable_lto=no])
+])
# By default, C is the only stage 1 language.
+2010-11-03 Ian Lance Taylor <iant@google.com>
+
+ PR lto/46273
+ * gcc/config.gcc: Don't set lto_binary_reader.
+ * doc/install.texi (Prerequisites): Remove libelf paragraphs.
+ (Configuration): Mention --disable-lto. Remove --with-libelf
+ paragraph.
+
2010-11-03 Jakub Jelinek <jakub@redhat.com>
PR debug/46252
target_gtfiles=
need_64bit_hwint=
need_64bit_isa=
-# Selects the object file format reader/writer used by LTO.
-lto_binary_reader=lto-elf
# Don't carry these over build->host->target. Please.
xm_file=
# support.
with_cpu=${with_cpu:-generic}
tmake_file="${tmake_file} t-slibgcc-darwin i386/t-crtpc i386/t-crtfm"
- lto_binary_reader=lto-macho
;;
x86_64-*-darwin*)
with_cpu=${with_cpu:-generic}
tmake_file="${tmake_file} ${cpu_type}/t-darwin64 t-slibgcc-darwin i386/t-crtpc i386/t-crtfm"
tm_file="${tm_file} ${cpu_type}/darwin64.h"
- lto_binary_reader=lto-macho
;;
i[34567]86-*-elf*)
tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h"
thread_file='posix'
fi
use_gcc_stdint=wrap
- lto_binary_reader=lto-coff
;;
i[34567]86-*-mingw* | x86_64-*-mingw*)
tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h dbxcoff.h i386/cygming.h i386/mingw32.h"
cxx_target_objs="${cxx_target_objs} winnt-cxx.o msformat-c.o"
default_use_cxa_atexit=yes
use_gcc_stdint=wrap
- lto_binary_reader=lto-coff
case ${enable_threads} in
"" | yes | win32) thread_file='win32'
tmake_file="${tmake_file} i386/t-gthr-win32"
;;
esac
tmake_file="${tmake_file} t-slibgcc-darwin"
- lto_binary_reader=lto-macho
extra_headers=altivec.h
;;
powerpc64-*-darwin*)
extra_parts="crt2.o"
tmake_file="${tmake_file} ${cpu_type}/t-darwin64 t-slibgcc-darwin"
tm_file="${tm_file} ${cpu_type}/darwin8.h ${cpu_type}/darwin64.h"
- lto_binary_reader=lto-macho
extra_headers=altivec.h
;;
powerpc*-*-freebsd*)
Necessary to build libgcj, the GCJ runtime.
-@item libelf version 0.8.12 (or later)
-
-Necessary to build link-time optimization (LTO) support. It can be
-downloaded from @uref{http://www.mr511.de/software/libelf-0.8.12.tar.gz},
-though it is commonly available in several systems. The version in
-IRIX 6.5 doesn't work since it lacks @file{gelf.h}. The version in
-Solaris 2 does work.
-
-The @option{--with-libelf} configure option should be used if libelf is
-not installed in your default library search patch.
-
@end table
@heading Tools/packages necessary for modifying GCC
GLIBC 2.11 or above, otherwise disabled.
@item --enable-lto
+@itemx --disable-lto
Enable support for link-time optimization (LTO). This is enabled by
-default if a working libelf implementation is found (see
-@option{--with-libelf}).
-
-@item --with-libelf=@var{pathname}
-@itemx --with-libelf-include=@var{pathname}
-@itemx --with-libelf-lib=@var{pathname}
-If you do not have libelf installed in a standard location and you
-want to enable support for link-time optimization (LTO), you can
-explicitly specify the directory where libelf is installed
-(@samp{--with-libelf=@var{libelfinstalldir}}). The
-@option{--with-libelf=@var{libelfinstalldir}} option is shorthand for
-@option{--with-libelf-include=@var{libelfinstalldir}/include}
-@option{--with-libelf-lib=@var{libelfinstalldir}/lib}.
+default, and may be disabled using @option{--disable-lto}.
@item --enable-gold
Enable support for using @command{gold} as the linker. If gold support is
+2010-11-03 Dave Korn <dave.korn.cygwin@gmail.com>
+
+ PR lto/46273
+ * lto-plugin.h: Delete.
+ * lto-plugin-elf.c: Likewise.
+ * lto-plugin-coff.c: Likewise.
+ * configure.ac: Don't use libelf, don't source config.gcc.
+ (LIBELFLIBS): Delete.
+ (LIBELFINC): Delete.
+ (LTO_FORMAT): Delete.
+ (SYM_STYLE): Add AC_DEFINE var, set based on $target.
+ (config.h): Add AC_CONFIG_HEADERS directive.
+ * Makefile.am (LIBELFLIBS): Delete.
+ (LIBELFINC): Delete.
+ (LTO_FORMAT): Delete.
+ (DEFS): Import.
+ (AM_CPPFLAGS): Use it. Don't use LIBELFINC.
+ (liblto_plugin_la_SOURCES): Don't use LTO_FORMAT, don't include
+ any object-format-specific source file in the link.
+ (liblto_plugin_la_LIBADD): Don't use LIBELFLIBS.
+ * config.h.in: Generate.
+ * configure: Regenerate.
+ * Makefile.in: Likewise.
+ * lto-plugin.c (O_BINARY): Definition moved here from lto-plugin.h.
+ (LTO_SEGMENT_NAME): New definition.
+ (LTO_SECTION_PREFIX): Definition moved here from lto-plugin.h.
+ (LTO_SECTION_PREFIX_LEN): New definition.
+ (struct sym_aux): Struct definition moved here from lto-plugin.h.
+ (struct plugin_symtab): Likewise.
+ (struct plugin_objfile): Likewise.
+ (struct plugin_objfile): New struct def.
+ (enum symbol_style): New enum type.
+ (add_symbols): Make static.
+ (claimed_files): Likewise.
+ (num_claimed_files): Likewise.
+ (sym_style): New global.
+ (check): Make static.
+ (parse_table_entry): Likewise. Respect sym_style when extracting
+ symbol from symtab entry.
+ (translate): Make static.
+ (resolve_conflicts): Likewise.
+ (process_symtab): New function, per-section callback version of
+ old object-format-specific handling from deleted lto-plugin-elf.c.
+ (claim_file_handler): Convert ELF-specific version from deleted
+ lto-plugin-elf.c to simple_object interface and move here.
+ (process_options): Allow new '-sym-style=' option.
+ (onload): Don't call deleted onload_format_checks hook.
+
2010-10-11 Kai Tietz <kai.tietz@onevision.com>
* lto-plugin.c (dump_symtab): Correct printf argument type.
target_noncanonical := @target_noncanonical@
libexecsubdir := $(libexecdir)/gcc/$(target_noncanonical)/$(gcc_version)
-# How to find libelf
-LIBELFLIBS = @LIBELFLIBS@
-LIBELFINC = @LIBELFINC@
-
-# Which object format to parse.
-LTO_FORMAT = @LTO_FORMAT@
-
-AM_CPPFLAGS = -I$(top_srcdir)/../include $(LIBELFINC)
+AM_CPPFLAGS = -I$(top_srcdir)/../include $(DEFS)
AM_CFLAGS = -Wall -Werror
libexecsub_LTLIBRARIES = liblto_plugin.la
-liblto_plugin_la_SOURCES = lto-plugin.c lto-plugin-$(LTO_FORMAT).c
-liblto_plugin_la_LIBADD = $(LIBELFLIBS) \
+liblto_plugin_la_SOURCES = lto-plugin.c
+liblto_plugin_la_LIBADD = \
$(if $(wildcard ../libiberty/pic/libiberty.a),../libiberty/pic/libiberty.a,)
liblto_plugin_la_LDFLAGS = -no-undefined -bindir $(libexecsubdir) \
$(if $(wildcard ../libiberty/pic/libiberty.a),,-Wc,../libiberty/libiberty.a)
POST_UNINSTALL = :
build_triplet = @build@
host_triplet = @host@
+target_triplet = @target@
subdir = .
DIST_COMMON = ChangeLog $(srcdir)/Makefile.in $(srcdir)/Makefile.am \
$(top_srcdir)/configure $(am__configure_deps) \
- $(srcdir)/../mkinstalldirs
+ $(srcdir)/config.h.in $(srcdir)/../mkinstalldirs
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
$(top_srcdir)/../config/depstand.m4 \
am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
configure.lineno config.status.lineno
mkinstalldirs = $(SHELL) $(top_srcdir)/../mkinstalldirs
+CONFIG_HEADER = config.h
CONFIG_CLEAN_FILES =
CONFIG_CLEAN_VPATH_FILES =
am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g'
am__installdirs = "$(DESTDIR)$(libexecsubdir)"
LTLIBRARIES = $(libexecsub_LTLIBRARIES)
-am__DEPENDENCIES_1 =
-liblto_plugin_la_DEPENDENCIES = $(am__DEPENDENCIES_1) $(if $(wildcard \
+liblto_plugin_la_DEPENDENCIES = $(if $(wildcard \
../libiberty/pic/libiberty.a),../libiberty/pic/libiberty.a,)
-am_liblto_plugin_la_OBJECTS = lto-plugin.lo \
- lto-plugin-$(LTO_FORMAT).lo
+am_liblto_plugin_la_OBJECTS = lto-plugin.lo
liblto_plugin_la_OBJECTS = $(am_liblto_plugin_la_OBJECTS)
liblto_plugin_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
LD = @LD@
LDFLAGS = @LDFLAGS@
-LIBELFINC = @LIBELFINC@
-
-# How to find libelf
-LIBELFLIBS = @LIBELFLIBS@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBTOOL = @LIBTOOL@
LIPO = @LIPO@
LN_S = @LN_S@
LTLIBOBJS = @LTLIBOBJS@
-
-# Which object format to parse.
-LTO_FORMAT = @LTO_FORMAT@
MAINT = @MAINT@
MAKEINFO = @MAKEINFO@
MKDIR_P = @MKDIR_P@
sharedstatedir = @sharedstatedir@
srcdir = @srcdir@
sysconfdir = @sysconfdir@
+target = @target@
target_alias = @target_alias@
+target_cpu = @target_cpu@
target_noncanonical := @target_noncanonical@
+target_os = @target_os@
target_subdir = @target_subdir@
+target_vendor = @target_vendor@
top_build_prefix = @top_build_prefix@
top_builddir = @top_builddir@
top_srcdir = @top_srcdir@
AUTOMAKE_OPTIONS = no-dependencies
gcc_version := $(shell cat $(top_srcdir)/../gcc/BASE-VER)
libexecsubdir := $(libexecdir)/gcc/$(target_noncanonical)/$(gcc_version)
-AM_CPPFLAGS = -I$(top_srcdir)/../include $(LIBELFINC)
+AM_CPPFLAGS = -I$(top_srcdir)/../include $(DEFS)
AM_CFLAGS = -Wall -Werror
libexecsub_LTLIBRARIES = liblto_plugin.la
-liblto_plugin_la_SOURCES = lto-plugin.c lto-plugin-$(LTO_FORMAT).c
-liblto_plugin_la_LIBADD = $(LIBELFLIBS) \
+liblto_plugin_la_SOURCES = lto-plugin.c
+liblto_plugin_la_LIBADD = \
$(if $(wildcard ../libiberty/pic/libiberty.a),../libiberty/pic/libiberty.a,)
liblto_plugin_la_LDFLAGS = -no-undefined -bindir $(libexecsubdir) \
$(if $(wildcard ../libiberty/pic/libiberty.a),,-Wc,../libiberty/libiberty.a)
-all: all-am
+all: config.h
+ $(MAKE) $(AM_MAKEFLAGS) all-am
.SUFFIXES:
.SUFFIXES: .c .lo .o .obj
$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
$(am__cd) $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS)
$(am__aclocal_m4_deps):
+
+config.h: stamp-h1
+ @if test ! -f $@; then \
+ rm -f stamp-h1; \
+ $(MAKE) $(AM_MAKEFLAGS) stamp-h1; \
+ else :; fi
+
+stamp-h1: $(srcdir)/config.h.in $(top_builddir)/config.status
+ @rm -f stamp-h1
+ cd $(top_builddir) && $(SHELL) ./config.status config.h
+$(srcdir)/config.h.in: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+ ($(am__cd) $(top_srcdir) && $(AUTOHEADER))
+ rm -f stamp-h1
+ touch $@
+
+distclean-hdr:
+ -rm -f config.h stamp-h1
install-libexecsubLTLIBRARIES: $(libexecsub_LTLIBRARIES)
@$(NORMAL_INSTALL)
test -z "$(libexecsubdir)" || $(MKDIR_P) "$(DESTDIR)$(libexecsubdir)"
mkid -fID $$unique
tags: TAGS
-TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+TAGS: $(HEADERS) $(SOURCES) config.h.in $(TAGS_DEPENDENCIES) \
$(TAGS_FILES) $(LISP)
set x; \
here=`pwd`; \
- list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ list='$(SOURCES) $(HEADERS) config.h.in $(LISP) $(TAGS_FILES)'; \
unique=`for i in $$list; do \
if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
done | \
fi; \
fi
ctags: CTAGS
-CTAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+CTAGS: $(HEADERS) $(SOURCES) config.h.in $(TAGS_DEPENDENCIES) \
$(TAGS_FILES) $(LISP)
- list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ list='$(SOURCES) $(HEADERS) config.h.in $(LISP) $(TAGS_FILES)'; \
unique=`for i in $$list; do \
if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
done | \
-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
check-am: all-am
check: check-am
-all-am: Makefile $(LTLIBRARIES)
+all-am: Makefile $(LTLIBRARIES) config.h
installdirs:
for dir in "$(DESTDIR)$(libexecsubdir)"; do \
test -z "$$dir" || $(MKDIR_P) "$$dir"; \
-rm -f $(am__CONFIG_DISTCLEAN_FILES)
-rm -f Makefile
distclean-am: clean-am distclean-compile distclean-generic \
- distclean-libtool distclean-tags
+ distclean-hdr distclean-libtool distclean-tags
dvi: dvi-am
uninstall-am: uninstall-libexecsubLTLIBRARIES
-.MAKE: install-am install-strip
+.MAKE: all install-am install-strip
.PHONY: CTAGS GTAGS all all-am am--refresh check check-am clean \
clean-generic clean-libexecsubLTLIBRARIES clean-libtool ctags \
- distclean distclean-compile distclean-generic \
+ distclean distclean-compile distclean-generic distclean-hdr \
distclean-libtool distclean-tags dvi dvi-am html html-am info \
info-am install install-am install-data install-data-am \
install-dvi install-dvi-am install-exec install-exec-am \
--- /dev/null
+/* config.h.in. Generated from configure.ac by autoheader. */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#undef HAVE_DLFCN_H
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+ */
+#undef LT_OBJDIR
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the home page for this package. */
+#undef PACKAGE_URL
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* Default symbol style */
+#undef SYM_STYLE
+
+/* Version number of package */
+#undef VERSION
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#undef _FILE_OFFSET_BITS
+
+/* Define for large files, on AIX-style hosts. */
+#undef _LARGE_FILES
+
+/* Define for Solaris 2.5.1 so the uint64_t typedef from <sys/synch.h>,
+ <pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the
+ #define below would cause a syntax error. */
+#undef _UINT64_T
+
+/* Define to the type of an unsigned integer type of width exactly 64 bits if
+ such a type exists and the standard includes do not define it. */
+#undef uint64_t
am__EXEEXT_TRUE
LTLIBOBJS
LIBOBJS
-LTO_FORMAT
target_noncanonical
CPP
OTOOL64
GREP
SED
LIBTOOL
-LIBELFINC
-LIBELFLIBS
am__fastdepCC_FALSE
am__fastdepCC_TRUE
CCDEPMODE
LDFLAGS
LIBS
CPPFLAGS
-LIBELFLIBS
-LIBELFINC
CPP'
LIBS libraries to pass to the linker, e.g. -l<library>
CPPFLAGS C/C++/Objective C preprocessor flags, e.g. -I<include dir> if
you have headers in a nonstandard directory <include dir>
- LIBELFLIBS How to link libelf
- LIBELFINC How to find libelf include files
CPP C preprocessor
Use these variables to override the choices made by `configure' or to help
fi
fi
-
-
case `pwd` in
*\ * | *\ *)
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 10446 "configure"
+#line 10437 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 10552 "configure"
+#line 10543 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
-. ${srcdir}/../gcc/config.gcc
-case ${lto_binary_reader} in
- *coff*) LTO_FORMAT=coff ;;
- *elf*) LTO_FORMAT=elf ;;
- *) as_fn_error "LTO plugin is not supported on this target." "$LINENO" 5 ;;
-esac
+# Trying to get this information from gcc's config is tricky.
+case $target in
+ x86_64*-mingw*)
+
+$as_echo "#define SYM_STYLE ss_none" >>confdefs.h
+
+ ;;
+ *-cygwin* | i?86*-mingw* )
+$as_echo "#define SYM_STYLE ss_win32" >>confdefs.h
+ ;;
+ *)
+
+$as_echo "#define SYM_STYLE ss_none" >>confdefs.h
+
+ ;;
+esac
ac_fn_c_find_uintX_t "$LINENO" "64" "ac_cv_c_uint64_t"
case $ac_cv_c_uint64_t in #(
no|yes) ;; #(
ac_config_files="$ac_config_files Makefile"
+ac_config_headers="$ac_config_headers config.h"
+
cat >confcache <<\_ACEOF
# This file is a shell script that caches the results of configure
# tests run on this system so they can be shared between configure
# Let make expand exec_prefix.
test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
-# Transform confdefs.h into DEFS.
-# Protect against shell expansion while executing Makefile rules.
-# Protect against Makefile macro expansion.
-#
-# If the first sed substitution is executed (which looks for macros that
-# take arguments), then branch to the quote section. Otherwise,
-# look for a macro that doesn't take arguments.
-ac_script='
-:mline
-/\\$/{
- N
- s,\\\n,,
- b mline
-}
-t clear
-:clear
-s/^[ ]*#[ ]*define[ ][ ]*\([^ (][^ (]*([^)]*)\)[ ]*\(.*\)/-D\1=\2/g
-t quote
-s/^[ ]*#[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\)/-D\1=\2/g
-t quote
-b any
-:quote
-s/[ `~#$^&*(){}\\|;'\''"<>?]/\\&/g
-s/\[/\\&/g
-s/\]/\\&/g
-s/\$/$$/g
-H
-:any
-${
- g
- s/^\n//
- s/\n/ /g
- p
-}
-'
-DEFS=`sed -n "$ac_script" confdefs.h`
-
+DEFS=-DHAVE_CONFIG_H
ac_libobjs=
ac_ltlibobjs=
"*) set x $ac_config_files; shift; ac_config_files=$*;;
esac
+case $ac_config_headers in *"
+"*) set x $ac_config_headers; shift; ac_config_headers=$*;;
+esac
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
# Files that config.status was made for.
config_files="$ac_config_files"
+config_headers="$ac_config_headers"
config_commands="$ac_config_commands"
_ACEOF
--recheck update $as_me by reconfiguring in the same conditions
--file=FILE[:TEMPLATE]
instantiate the configuration file FILE
+ --header=FILE[:TEMPLATE]
+ instantiate the configuration header FILE
Configuration files:
$config_files
+Configuration headers:
+$config_headers
+
Configuration commands:
$config_commands
esac
as_fn_append CONFIG_FILES " '$ac_optarg'"
ac_need_defaults=false;;
- --he | --h | --help | --hel | -h )
+ --header | --heade | --head | --hea )
+ $ac_shift
+ case $ac_optarg in
+ *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+ esac
+ as_fn_append CONFIG_HEADERS " '$ac_optarg'"
+ ac_need_defaults=false;;
+ --he | --h)
+ # Conflict between --help and --header
+ as_fn_error "ambiguous option: \`$1'
+Try \`$0 --help' for more information.";;
+ --help | --hel | -h )
$as_echo "$ac_cs_usage"; exit ;;
-q | -quiet | --quiet | --quie | --qui | --qu | --q \
| -silent | --silent | --silen | --sile | --sil | --si | --s)
"depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
"libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;;
"Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+ "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;;
*) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
esac
# bizarre bug on SunOS 4.1.3.
if $ac_need_defaults; then
test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
+ test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
fi
cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
fi # test -n "$CONFIG_FILES"
+# Set up the scripts for CONFIG_HEADERS section.
+# No need to generate them if there are no CONFIG_HEADERS.
+# This happens for instance with `./config.status Makefile'.
+if test -n "$CONFIG_HEADERS"; then
+cat >"$tmp/defines.awk" <<\_ACAWK ||
+BEGIN {
+_ACEOF
+
+# Transform confdefs.h into an awk script `defines.awk', embedded as
+# here-document in config.status, that substitutes the proper values into
+# config.h.in to produce config.h.
-eval set X " :F $CONFIG_FILES :C $CONFIG_COMMANDS"
+# Create a delimiter string that does not exist in confdefs.h, to ease
+# handling of long lines.
+ac_delim='%!_!# '
+for ac_last_try in false false :; do
+ ac_t=`sed -n "/$ac_delim/p" confdefs.h`
+ if test -z "$ac_t"; then
+ break
+ elif $ac_last_try; then
+ as_fn_error "could not make $CONFIG_HEADERS" "$LINENO" 5
+ else
+ ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+ fi
+done
+
+# For the awk script, D is an array of macro values keyed by name,
+# likewise P contains macro parameters if any. Preserve backslash
+# newline sequences.
+
+ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
+sed -n '
+s/.\{148\}/&'"$ac_delim"'/g
+t rset
+:rset
+s/^[ ]*#[ ]*define[ ][ ]*/ /
+t def
+d
+:def
+s/\\$//
+t bsnl
+s/["\\]/\\&/g
+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\
+D["\1"]=" \3"/p
+s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p
+d
+:bsnl
+s/["\\]/\\&/g
+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\
+D["\1"]=" \3\\\\\\n"\\/p
+t cont
+s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p
+t cont
+d
+:cont
+n
+s/.\{148\}/&'"$ac_delim"'/g
+t clear
+:clear
+s/\\$//
+t bsnlc
+s/["\\]/\\&/g; s/^/"/; s/$/"/p
+d
+:bsnlc
+s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p
+b cont
+' <confdefs.h | sed '
+s/'"$ac_delim"'/"\\\
+"/g' >>$CONFIG_STATUS || ac_write_fail=1
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ for (key in D) D_is_set[key] = 1
+ FS = "\a"
+}
+/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ {
+ line = \$ 0
+ split(line, arg, " ")
+ if (arg[1] == "#") {
+ defundef = arg[2]
+ mac1 = arg[3]
+ } else {
+ defundef = substr(arg[1], 2)
+ mac1 = arg[2]
+ }
+ split(mac1, mac2, "(") #)
+ macro = mac2[1]
+ prefix = substr(line, 1, index(line, defundef) - 1)
+ if (D_is_set[macro]) {
+ # Preserve the white space surrounding the "#".
+ print prefix "define", macro P[macro] D[macro]
+ next
+ } else {
+ # Replace #undef with comments. This is necessary, for example,
+ # in the case of _POSIX_SOURCE, which is predefined and required
+ # on some systems where configure will not decide to define it.
+ if (defundef == "undef") {
+ print "/*", prefix defundef, macro, "*/"
+ next
+ }
+ }
+}
+{ print }
+_ACAWK
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+ as_fn_error "could not setup config headers machinery" "$LINENO" 5
+fi # test -n "$CONFIG_HEADERS"
+
+
+eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS"
shift
for ac_tag
do
esac \
|| as_fn_error "could not create $ac_file" "$LINENO" 5
;;
-
+ :H)
+ #
+ # CONFIG_HEADER
+ #
+ if test x"$ac_file" != x-; then
+ {
+ $as_echo "/* $configure_input */" \
+ && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
+ } >"$tmp/config.h" \
+ || as_fn_error "could not create $ac_file" "$LINENO" 5
+ if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
+$as_echo "$as_me: $ac_file is unchanged" >&6;}
+ else
+ rm -f "$ac_file"
+ mv "$tmp/config.h" "$ac_file" \
+ || as_fn_error "could not create $ac_file" "$LINENO" 5
+ fi
+ else
+ $as_echo "/* $configure_input */" \
+ && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
+ || as_fn_error "could not create -" "$LINENO" 5
+ fi
+# Compute "$ac_file"'s index in $config_headers.
+_am_arg="$ac_file"
+_am_stamp_count=1
+for _am_header in $config_headers :; do
+ case $_am_header in
+ $_am_arg | $_am_arg:* )
+ break ;;
+ * )
+ _am_stamp_count=`expr $_am_stamp_count + 1` ;;
+ esac
+done
+echo "timestamp for $_am_arg" >`$as_dirname -- "$_am_arg" ||
+$as_expr X"$_am_arg" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$_am_arg" : 'X\(//\)[^/]' \| \
+ X"$_am_arg" : 'X\(//\)$' \| \
+ X"$_am_arg" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$_am_arg" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)[^/].*/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\).*/{
+ s//\1/
+ q
+ }
+ s/.*/./; q'`/stamp-h$_am_stamp_count
+ ;;
:C) { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
$as_echo "$as_me: executing $ac_file commands" >&6;}
AM_MAINTAINER_MODE
AC_PROG_CC
AC_SYS_LARGEFILE
-AC_ARG_VAR(LIBELFLIBS,[How to link libelf])
-AC_ARG_VAR(LIBELFINC,[How to find libelf include files])
AM_PROG_LIBTOOL
AC_SUBST(target_noncanonical)
-. ${srcdir}/../gcc/config.gcc
-case ${lto_binary_reader} in
- *coff*) LTO_FORMAT=coff ;;
- *elf*) LTO_FORMAT=elf ;;
- *) AC_MSG_ERROR([LTO plugin is not supported on this target.]) ;;
+# Trying to get this information from gcc's config is tricky.
+case $target in
+ x86_64*-mingw*)
+ AC_DEFINE([SYM_STYLE], [ss_none], [Default symbol style])
+ ;;
+ *-cygwin* | i?86*-mingw* )
+ AC_DEFINE([SYM_STYLE], [ss_win32], [Default symbol style])
+ ;;
+ *)
+ AC_DEFINE([SYM_STYLE], [ss_none], [Default symbol style])
+ ;;
esac
-
-AC_SUBST(LTO_FORMAT)
AC_TYPE_UINT64_T
AC_CONFIG_FILES(Makefile)
+AC_CONFIG_HEADERS(config.h)
AC_OUTPUT
+++ /dev/null
-/* LTO plugin for gold.
- Copyright (C) 2010 Free Software Foundation, Inc.
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 3, or (at your option)
-any later version.
-
-This program is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; see the file COPYING3. If not see
-<http://www.gnu.org/licenses/>. */
-
-/* Common definitions that the object format dependent code needs. */
-#include "lto-plugin.h"
-
-/* Callback used by gold to check if the plugin will claim FILE. Writes
- the result in CLAIMED. */
-
-enum ld_plugin_status
-claim_file_handler (const struct ld_plugin_input_file *file, int *claimed)
-{
- /* To be implemented; for now, simply do nothing. */
- return LDPS_OK;
-}
-
-/* Method called first thing at onload time to perform sanity checks. */
-
-enum ld_plugin_status
-onload_format_checks (struct ld_plugin_tv *tv)
-{
- return LDPS_OK;
-}
-
+++ /dev/null
-/* LTO plugin for gold.
- Copyright (C) 2009, 2010 Free Software Foundation, Inc.
- Contributed by Rafael Avila de Espindola (espindola@google.com).
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 3, or (at your option)
-any later version.
-
-This program is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; see the file COPYING3. If not see
-<http://www.gnu.org/licenses/>. */
-
-#include <assert.h>
-#include <string.h>
-#include <stdio.h>
-#include <libiberty.h>
-#include <stdlib.h>
-#include <inttypes.h>
-
-/* The presence of gelf.h is checked by the toplevel configure script. */
-#include <gelf.h>
-
-/* Common definitions that the object format dependent code needs. */
-#include "lto-plugin.h"
-
-/* Process all lto symtabs of file ELF. */
-
-static int
-process_symtab (Elf *elf, struct plugin_symtab *out)
-{
- int found = 0;
- Elf_Scn *section = 0;
- GElf_Ehdr header;
- GElf_Ehdr *t = gelf_getehdr (elf, &header);
- if (t == NULL)
- return 0;
- assert (t == &header);
-
- while ((section = elf_nextscn(elf, section)) != 0)
- {
- GElf_Shdr shdr;
- GElf_Shdr *tshdr = gelf_getshdr (section, &shdr);
- Elf_Data *symtab;
- const char *t;
- assert (tshdr == &shdr);
- t = elf_strptr (elf, header.e_shstrndx, shdr.sh_name);
- assert (t != NULL);
- if (strncmp (t, LTO_SECTION_PREFIX, strlen (LTO_SECTION_PREFIX)) == 0)
- {
- char *s = strrchr (t, '.');
- if (s)
- sscanf (s, ".%x", &out->id);
- symtab = elf_getdata (section, NULL);
- translate (symtab->d_buf, symtab->d_buf + symtab->d_size, out);
- found++;
- }
- }
- return found;
-}
-
-/* Callback used by gold to check if the plugin will claim FILE. Writes
- the result in CLAIMED. */
-
-enum ld_plugin_status
-claim_file_handler (const struct ld_plugin_input_file *file, int *claimed)
-{
- enum ld_plugin_status status;
- Elf *elf;
- struct plugin_file_info lto_file;
- int n;
-
- memset (<o_file, 0, sizeof (struct plugin_file_info));
-
- if (file->offset != 0)
- {
- char *objname;
- Elf *archive;
- off_t offset;
- /* We pass the offset of the actual file, not the archive header. */
- int t = asprintf (&objname, "%s@0x%" PRIx64, file->name,
- (int64_t) file->offset);
- check (t >= 0, LDPL_FATAL, "asprintf failed");
- lto_file.name = objname;
-
- archive = elf_begin (file->fd, ELF_C_READ, NULL);
- check (elf_kind (archive) == ELF_K_AR, LDPL_FATAL,
- "Not an archive and offset not 0");
-
- /* elf_rand expects the offset to point to the ar header, not the
- object itself. Subtract the size of the ar header (60 bytes).
- We don't uses sizeof (struct ar_hd) to avoid including ar.h */
-
- offset = file->offset - 60;
- check (offset == elf_rand (archive, offset), LDPL_FATAL,
- "could not seek in archive");
- elf = elf_begin (file->fd, ELF_C_READ, archive);
- check (elf != NULL, LDPL_FATAL, "could not find archive member");
- elf_end (archive);
- }
- else
- {
- lto_file.name = xstrdup (file->name);
- elf = elf_begin (file->fd, ELF_C_READ, NULL);
- }
- lto_file.handle = file->handle;
-
- *claimed = 0;
-
- if (!elf)
- goto err;
-
- n = process_symtab (elf, <o_file.symtab);
- if (n == 0)
- goto err;
-
- if (n > 1)
- resolve_conflicts (<o_file.symtab, <o_file.conflicts);
-
- status = add_symbols (file->handle, lto_file.symtab.nsyms,
- lto_file.symtab.syms);
- check (status == LDPS_OK, LDPL_FATAL, "could not add symbols");
-
- *claimed = 1;
- num_claimed_files++;
- claimed_files =
- xrealloc (claimed_files,
- num_claimed_files * sizeof (struct plugin_file_info));
- claimed_files[num_claimed_files - 1] = lto_file;
-
- goto cleanup;
-
- err:
- free (lto_file.name);
-
- cleanup:
- if (elf)
- elf_end (elf);
-
- return LDPS_OK;
-}
-
-/* Method called first thing at onload time to perform sanity checks. */
-
-enum ld_plugin_status
-onload_format_checks (struct ld_plugin_tv *tv)
-{
- unsigned version = elf_version (EV_CURRENT);
- check (version != EV_NONE, LDPL_FATAL, "invalid ELF version");
- return LDPS_OK;
-}
-
-nop: Instead of running lto-wrapper, pass the original to the plugin. This
only works if the input files are hybrid. */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include <libiberty.h>
#include <hashtab.h>
#include "../gcc/lto/common.h"
+#include "simple-object.h"
+#include "plugin-api.h"
-/* Common definitions for/from the object format dependent code. */
-#include "lto-plugin.h"
+/* Handle opening elf files on hosts, such as Windows, that may use
+ text file handling that will break binary access. */
+#ifndef O_BINARY
+# define O_BINARY 0
+#endif
+
+/* Segment name for LTO sections. This is only used for Mach-O.
+ FIXME: This needs to be kept in sync with darwin.c. */
+
+#define LTO_SEGMENT_NAME "__GNU_LTO"
+
+/* LTO magic section name. */
+
+#define LTO_SECTION_PREFIX ".gnu.lto_.symtab"
+#define LTO_SECTION_PREFIX_LEN (sizeof (LTO_SECTION_PREFIX) - 1)
+
+/* The part of the symbol table the plugin has to keep track of. Note that we
+ must keep SYMS until all_symbols_read is called to give the linker time to
+ copy the symbol information. */
+
+struct sym_aux
+{
+ uint32_t slot;
+ unsigned id;
+ unsigned next_conflict;
+};
+
+struct plugin_symtab
+{
+ int nsyms;
+ struct sym_aux *aux;
+ struct ld_plugin_symbol *syms;
+ unsigned id;
+};
+
+/* Encapsulates object file data during symbol scan. */
+struct plugin_objfile
+{
+ int found;
+ simple_object_read *objfile;
+ struct plugin_symtab *out;
+ const struct ld_plugin_input_file *file;
+};
+
+/* All that we have to remember about a file. */
+
+struct plugin_file_info
+{
+ char *name;
+ void *handle;
+ struct plugin_symtab symtab;
+ struct plugin_symtab conflicts;
+};
+
+/* Until ASM_OUTPUT_LABELREF can be hookized and decoupled from
+ stdio file streams, we do simple label translation here. */
+
+enum symbol_style
+{
+ ss_none, /* No underscore prefix. */
+ ss_win32, /* Underscore prefix any symbol not beginning with '@'. */
+ ss_uscore, /* Underscore prefix all symbols. */
+};
static char *arguments_file_name;
static ld_plugin_register_claim_file register_claim_file;
static ld_plugin_add_input_file add_input_file;
static ld_plugin_add_input_library add_input_library;
static ld_plugin_message message;
+static ld_plugin_add_symbols add_symbols;
-/* These are not static because the object format dependent
- claim_file hooks in lto-plugin-{coff,elf}.c need them. */
-ld_plugin_add_symbols add_symbols;
-
-struct plugin_file_info *claimed_files = NULL;
-unsigned int num_claimed_files = 0;
+static struct plugin_file_info *claimed_files = NULL;
+static unsigned int num_claimed_files = 0;
static char **output_files = NULL;
static unsigned int num_output_files = 0;
static bool nop;
static char *resolution_file = NULL;
-void
+/* Set by default from configure.ac, but can be overridden at runtime
+ by using -plugin-opt=-sym-style={none,win32,underscore|uscore}
+ (in fact, only first letter of style arg is checked.) */
+static enum symbol_style sym_style = SYM_STYLE;
+
+static void
check (bool gate, enum ld_plugin_level level, const char *text)
{
if (gate)
by P and the result is written in ENTRY. The slot number is stored in SLOT.
Returns the address of the next entry. */
-char *
+static char *
parse_table_entry (char *p, struct ld_plugin_symbol *entry,
struct sym_aux *aux)
{
LDPV_HIDDEN
};
- entry->name = xstrdup (p);
+ switch (sym_style)
+ {
+ case ss_win32:
+ if (p[0] == '@')
+ {
+ /* cf. Duff's device. */
+ case ss_none:
+ entry->name = xstrdup (p);
+ break;
+ }
+ /* FALL-THROUGH. */
+ case ss_uscore:
+ entry->name = concat ("_", p, NULL);
+ break;
+ default:
+ check (false, LDPL_FATAL, "invalid symbol style requested");
+ break;
+ }
while (*p)
p++;
p++;
/* Translate the IL symbol table located between DATA and END. Append the
slots and symbols to OUT. */
-void
+static void
translate (char *data, char *end, struct plugin_symtab *out)
{
struct sym_aux *aux;
XXX how to handle common? */
-void
+static void
resolve_conflicts (struct plugin_symtab *t, struct plugin_symtab *conflicts)
{
htab_t symtab = htab_create (t->nsyms, hash_sym, eq_sym, NULL);
htab_delete (symtab);
}
+/* Process one section of an object file. */
+
+static int
+process_symtab (void *data, const char *name, off_t offset, off_t length)
+{
+ struct plugin_objfile *obj = (struct plugin_objfile *)data;
+ char *s;
+ char *secdata;
+
+ if (strncmp (name, LTO_SECTION_PREFIX, LTO_SECTION_PREFIX_LEN) != 0)
+ return 1;
+
+ s = strrchr (name, '.');
+ if (s)
+ sscanf (s, ".%x", &obj->out->id);
+ secdata = xmalloc (length);
+ offset += obj->file->offset;
+ if (offset != lseek (obj->file->fd, offset, SEEK_SET)
+ || length != read (obj->file->fd, secdata, length))
+ {
+ if (message)
+ message (LDPL_FATAL, "%s: corrupt object file", obj->file->name);
+ /* Force claim_file_handler to abandon this file. */
+ obj->found = 0;
+ free (secdata);
+ return 0;
+ }
+
+ translate (secdata, secdata + length, obj->out);
+ obj->found++;
+ free (secdata);
+ return 1;
+}
+
+/* Callback used by gold to check if the plugin will claim FILE. Writes
+ the result in CLAIMED. */
+
+static enum ld_plugin_status
+claim_file_handler (const struct ld_plugin_input_file *file, int *claimed)
+{
+ enum ld_plugin_status status;
+ struct plugin_objfile obj;
+ struct plugin_file_info lto_file;
+ int err;
+ const char *errmsg;
+
+ memset (<o_file, 0, sizeof (struct plugin_file_info));
+
+ if (file->offset != 0)
+ {
+ char *objname;
+ /* We pass the offset of the actual file, not the archive header. */
+ int t = asprintf (&objname, "%s@0x%" PRIx64, file->name,
+ (int64_t) file->offset);
+ check (t >= 0, LDPL_FATAL, "asprintf failed");
+ lto_file.name = objname;
+ }
+ else
+ {
+ lto_file.name = xstrdup (file->name);
+ }
+ lto_file.handle = file->handle;
+
+ *claimed = 0;
+ obj.file = file;
+ obj.found = 0;
+ obj.out = <o_file.symtab;
+ errmsg = NULL;
+ obj.objfile = simple_object_start_read (file->fd, file->offset, LTO_SEGMENT_NAME,
+ &errmsg, &err);
+ /* No file, but also no error code means unrecognized format; just skip it. */
+ if (!obj.objfile && !err)
+ goto err;
+
+ if (obj.objfile)
+ errmsg = simple_object_find_sections (obj.objfile, process_symtab, &obj, &err);
+
+ if (!obj.objfile || errmsg)
+ {
+ if (err && message)
+ message (LDPL_FATAL, "%s: %s: %s", file->name, errmsg,
+ xstrerror (err));
+ else if (message)
+ message (LDPL_FATAL, "%s: %s", file->name, errmsg);
+ goto err;
+ }
+
+ if (obj.found == 0)
+ goto err;
+
+ if (obj.found > 1)
+ resolve_conflicts (<o_file.symtab, <o_file.conflicts);
+
+ status = add_symbols (file->handle, lto_file.symtab.nsyms,
+ lto_file.symtab.syms);
+ check (status == LDPS_OK, LDPL_FATAL, "could not add symbols");
+
+ *claimed = 1;
+ num_claimed_files++;
+ claimed_files =
+ xrealloc (claimed_files,
+ num_claimed_files * sizeof (struct plugin_file_info));
+ claimed_files[num_claimed_files - 1] = lto_file;
+
+ goto cleanup;
+
+ err:
+ free (lto_file.name);
+
+ cleanup:
+ if (obj.objfile)
+ simple_object_release_read (obj.objfile);
+ if (file->fd >= 0)
+ close (file->fd);
+
+ return LDPS_OK;
+}
+
/* Parse the plugin options. */
static void
pass_through_items[num_pass_through_items - 1] =
xstrdup (option + strlen ("-pass-through="));
}
+ else if (!strncmp (option, "-sym-style=", sizeof ("-sym-style=") - 1))
+ {
+ switch (option[sizeof ("-sym-style=") - 1])
+ {
+ case 'w':
+ sym_style = ss_win32;
+ break;
+ case 'u':
+ sym_style = ss_uscore;
+ break;
+ default:
+ sym_style = ss_none;
+ break;
+ }
+ }
else
{
int size;
struct ld_plugin_tv *p;
enum ld_plugin_status status;
- status = onload_format_checks (tv);
- if (status != LDPS_OK)
- return status;
-
p = tv;
while (p->tv_tag)
{
+++ /dev/null
-/* Common declarations for LTO plugin for gold and/or GNU ld.
- Copyright (C) 2009, 2010 Free Software Foundation, Inc.
- Contributed by Rafael Avila de Espindola (espindola@google.com).
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 3, or (at your option)
-any later version.
-
-This program is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; see the file COPYING3. If not see
-<http://www.gnu.org/licenses/>. */
-
-#include <stdbool.h>
-#include "plugin-api.h"
-
-/* LTO magic section name. */
-
-#define LTO_SECTION_PREFIX ".gnu.lto_.symtab"
-
-/* The part of the symbol table the plugin has to keep track of. Note that we
- must keep SYMS until all_symbols_read is called to give the linker time to
- copy the symbol information. */
-
-struct sym_aux
-{
- uint32_t slot;
- unsigned id;
- unsigned next_conflict;
-};
-
-struct plugin_symtab
-{
- int nsyms;
- struct sym_aux *aux;
- struct ld_plugin_symbol *syms;
- unsigned id;
-};
-
-/* All that we have to remember about a file. */
-
-struct plugin_file_info
-{
- char *name;
- void *handle;
- struct plugin_symtab symtab;
- struct plugin_symtab conflicts;
-};
-
-/* These are the methods supplied by one of the object format
- dependent files lto-plugin-elf.c or lto-plugin-coff.c */
-
-extern enum ld_plugin_status claim_file_handler
- (const struct ld_plugin_input_file *file, int *claimed);
-
-extern enum ld_plugin_status onload_format_checks (struct ld_plugin_tv *tv);
-
-/* These methods are made available to the object format
- dependent files. */
-
-extern void check (bool gate, enum ld_plugin_level level, const char *text);
-
-extern void translate (char *data, char *end, struct plugin_symtab *out);
-
-extern char *parse_table_entry (char *p, struct ld_plugin_symbol *entry,
- struct sym_aux *aux);
-
-extern void resolve_conflicts (struct plugin_symtab *t,
- struct plugin_symtab *conflicts);
-
-/* And this callback function is exposed. */
-
-extern ld_plugin_add_symbols add_symbols;
-
-/* Along with these two variables. */
-
-extern struct plugin_file_info *claimed_files;
-extern unsigned int num_claimed_files;
-
projects / thirdparty / gcc.git / commitdiff
