diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 72 |
1 files changed, 72 insertions, 0 deletions
@@ -30,6 +30,7 @@ TMPO="${TMPDIR1}/${TMPB}.o" TMPCXX="${TMPDIR1}/${TMPB}.cxx" TMPE="${TMPDIR1}/${TMPB}.exe" TMPMO="${TMPDIR1}/${TMPB}.mo" +TMPTXT="${TMPDIR1}/${TMPB}.txt" rm -f config.log @@ -5476,6 +5477,61 @@ if compile_prog "" "" ; then atomic64=yes fi +######################################### +# See if --dynamic-list is supported by the linker +ld_dynamic_list="no" +if test "$static" = "no" ; then + cat > $TMPTXT <<EOF +{ + foo; +}; +EOF + + cat > $TMPC <<EOF +#include <stdio.h> +void foo(void); + +void foo(void) +{ + printf("foo\n"); +} + +int main(void) +{ + foo(); + return 0; +} +EOF + + if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then + ld_dynamic_list="yes" + fi +fi + +######################################### +# See if -exported_symbols_list is supported by the linker + +ld_exported_symbols_list="no" +if test "$static" = "no" ; then + cat > $TMPTXT <<EOF + _foo +EOF + + if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then + ld_exported_symbols_list="yes" + fi +fi + +if test "$plugins" = "yes" && + test "$ld_dynamic_list" = "no" && + test "$ld_exported_symbols_list" = "no" ; then + error_exit \ + "Plugin support requires dynamic linking and specifying a set of symbols " \ + "that are exported to plugins. Unfortunately your linker doesn't " \ + "support the flag (--dynamic-list or -exported_symbols_list) used " \ + "for this purpose. You can't build with --static." +fi + ######################################## # See if 16-byte vector operations are supported. # Even without a vector unit the compiler may expand these. @@ -7283,6 +7339,22 @@ fi if test "$plugins" = "yes" ; then echo "CONFIG_PLUGIN=y" >> $config_host_mak LIBS="-ldl $LIBS" + # Copy the export object list to the build dir + if test "$ld_dynamic_list" = "yes" ; then + echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak + ld_symbols=qemu-plugins-ld.symbols + cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols + elif test "$ld_exported_symbols_list" = "yes" ; then + echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak + ld64_symbols=qemu-plugins-ld64.symbols + echo "# Automatically generated by configure - do not modify" > $ld64_symbols + grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \ + sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols + else + error_exit \ + "If \$plugins=yes, either \$ld_dynamic_list or " \ + "\$ld_exported_symbols_list should have been set to 'yes'." + fi fi if test "$tcg_interpreter" = "yes"; then |