diff options
Diffstat (limited to 'lto-plugin/configure')
| -rwxr-xr-x | lto-plugin/configure | 116 |
1 files changed, 114 insertions, 2 deletions
diff --git a/lto-plugin/configure b/lto-plugin/configure index 26aad9dd699..b820accfd65 100755 --- a/lto-plugin/configure +++ b/lto-plugin/configure @@ -650,6 +650,12 @@ LD FGREP SED LIBTOOL +LTO_PLUGIN_USE_SYMVER_SUN_FALSE +LTO_PLUGIN_USE_SYMVER_SUN_TRUE +LTO_PLUGIN_USE_SYMVER_GNU_FALSE +LTO_PLUGIN_USE_SYMVER_GNU_TRUE +LTO_PLUGIN_USE_SYMVER_FALSE +LTO_PLUGIN_USE_SYMVER_TRUE get_gcc_base_ver real_target_noncanonical accel_dir_suffix @@ -5910,6 +5916,100 @@ fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether symbol versioning is supported" >&5 +$as_echo_n "checking whether symbol versioning is supported... " >&6; } +lto_plugin_use_symver=no +if test x$gcc_no_link = xyes; then + # If we cannot link, we cannot build shared libraries, so do not use + # symbol versioning. + lto_plugin_use_symver=no +else + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -fPIC -shared -Wl,--version-script,./conftest.map" + cat > conftest.map <<EOF +{ + global: *foo*; bar; local: *; +}; +EOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int foo; +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lto_plugin_use_symver=gnu +else + lto_plugin_use_symver=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test x$lto_plugin_use_symver = xno; then + case "$target_os" in + solaris2*) + LDFLAGS="$save_LDFLAGS" + LDFLAGS="$LDFLAGS -fPIC -shared -Wl,-M,./conftest.map" + # Sun ld cannot handle wildcards and treats all entries as undefined. + cat > conftest.map <<EOF +{ + global: foo; local: *; +}; +EOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int foo; +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lto_plugin_use_symver=sun +else + lto_plugin_use_symver=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + ;; + esac + fi + LDFLAGS="$save_LDFLAGS" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lto_plugin_use_symver" >&5 +$as_echo "$lto_plugin_use_symver" >&6; } + if test "x$lto_plugin_use_symver" != xno; then + LTO_PLUGIN_USE_SYMVER_TRUE= + LTO_PLUGIN_USE_SYMVER_FALSE='#' +else + LTO_PLUGIN_USE_SYMVER_TRUE='#' + LTO_PLUGIN_USE_SYMVER_FALSE= +fi + + if test "x$lto_plugin_use_symver" = xgnu; then + LTO_PLUGIN_USE_SYMVER_GNU_TRUE= + LTO_PLUGIN_USE_SYMVER_GNU_FALSE='#' +else + LTO_PLUGIN_USE_SYMVER_GNU_TRUE='#' + LTO_PLUGIN_USE_SYMVER_GNU_FALSE= +fi + + if test "x$lto_plugin_use_symver" = xsun; then + LTO_PLUGIN_USE_SYMVER_SUN_TRUE= + LTO_PLUGIN_USE_SYMVER_SUN_FALSE='#' +else + LTO_PLUGIN_USE_SYMVER_SUN_TRUE='#' + LTO_PLUGIN_USE_SYMVER_SUN_FALSE= +fi + + case `pwd` in *\ * | *\ *) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5 @@ -11981,7 +12081,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 11984 "configure" +#line 12084 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -12087,7 +12187,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 12090 "configure" +#line 12190 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -12558,6 +12658,18 @@ if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then as_fn_error $? "conditional \"am__fastdepCC\" was never defined. Usually this means the macro was only invoked conditionally." "$LINENO" 5 fi +if test -z "${LTO_PLUGIN_USE_SYMVER_TRUE}" && test -z "${LTO_PLUGIN_USE_SYMVER_FALSE}"; then + as_fn_error $? "conditional \"LTO_PLUGIN_USE_SYMVER\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${LTO_PLUGIN_USE_SYMVER_GNU_TRUE}" && test -z "${LTO_PLUGIN_USE_SYMVER_GNU_FALSE}"; then + as_fn_error $? "conditional \"LTO_PLUGIN_USE_SYMVER_GNU\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${LTO_PLUGIN_USE_SYMVER_SUN_TRUE}" && test -z "${LTO_PLUGIN_USE_SYMVER_SUN_FALSE}"; then + as_fn_error $? "conditional \"LTO_PLUGIN_USE_SYMVER_SUN\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi : "${CONFIG_STATUS=./config.status}" ac_write_fail=0 |