Merge pull request #2921 from mglae/le9_toolchain_nm

Kodi: use toolchain nm for generating wrapper.def

config/functions

@@ -1,24 +1,17 @@
 setup_toolchain() {
-  TARGET_AR_NM_RANLIB_PREFIX=""
-
   if [ "$LTO_SUPPORT" = "yes" ]; then
     if flag_enabled "lto-parallel" "no"; then
       TARGET_CFLAGS+=" $FLAGS_OPTIM_LTO_PARALLEL $FLAGS_OPTIM_LTO_NO_FAT"
       TARGET_CXXFLAGS+=" $FLAGS_OPTIM_LTO_PARALLEL $FLAGS_OPTIM_LTO_NO_FAT"
       TARGET_LDFLAGS+=" $LDFLAGS_OPTIM_LTO_COMMON $FLAGS_OPTIM_LTO_PARALLEL"
-      # static libs with lto info require gcc-ar/gcc-nm/gcc-ranlib instead of
-      # default binutils versions
-      TARGET_AR_NM_RANLIB_PREFIX="gcc-"
     elif flag_enabled "lto-fat" "no"; then
       TARGET_CFLAGS+=" $FLAGS_OPTIM_LTO_NO_PARALLEL $FLAGS_OPTIM_LTO_FAT"
       TARGET_CXXFLAGS+=" $FLAGS_OPTIM_LTO_NO_PARALLEL $FLAGS_OPTIM_LTO_FAT"
       TARGET_LDFLAGS+=" $LDFLAGS_OPTIM_LTO_COMMON $FLAGS_OPTIM_LTO_NO_PARALLEL"
-      TARGET_AR_NM_RANLIB_PREFIX="gcc-"
     elif flag_enabled "lto" "no"; then
       TARGET_CFLAGS+=" $FLAGS_OPTIM_LTO_NO_PARALLEL $FLAGS_OPTIM_LTO_NO_FAT"
       TARGET_CXXFLAGS+=" $FLAGS_OPTIM_LTO_NO_PARALLEL $FLAGS_OPTIM_LTO_NO_FAT"
       TARGET_LDFLAGS+=" $LDFLAGS_OPTIM_LTO_COMMON $FLAGS_OPTIM_LTO_NO_PARALLEL"
-      TARGET_AR_NM_RANLIB_PREFIX="gcc-"
     fi
   fi
 
@@ -69,9 +62,9 @@ setup_toolchain() {
       export CPP="${TARGET_PREFIX}cpp"
       export LD="${TARGET_PREFIX}ld"
       export AS="${TARGET_PREFIX}as"
-      export AR="${TARGET_PREFIX}${TARGET_AR_NM_RANLIB_PREFIX}ar"
+      export AR="${TARGET_PREFIX}ar"
-      export NM="${TARGET_PREFIX}${TARGET_AR_NM_RANLIB_PREFIX}nm"
+      export NM="${TARGET_PREFIX}nm"
-      export RANLIB="${TARGET_PREFIX}${TARGET_AR_NM_RANLIB_PREFIX}ranlib"
+      export RANLIB="${TARGET_PREFIX}ranlib"
       export OBJCOPY="${TARGET_PREFIX}objcopy"
       export OBJDUMP="${TARGET_PREFIX}objdump"
       export STRIP="${TARGET_PREFIX}strip"

packages/lang/gcc/package.mk

@@ -117,6 +117,10 @@ EOF
 
   # To avoid cache trashing
   touch -c -t $DATE $CROSS_CXX
+
+  # install lto plugin for binutils
+  mkdir -p $TOOLCHAIN/lib/bfd-plugins
+    ln -sf ../gcc/$TARGET_NAME/$GCC_VERSION/liblto_plugin.so $TOOLCHAIN/lib/bfd-plugins
 }
 
 configure_target() {

packages/mediacenter/kodi/patches/kodi-995.01-pr14354_wrapper_toolchain_nm.patch

@@ -0,0 +1,17 @@
+wrapper.def:
+  - make nm binary configurable (-DCMAKE_NM=..)
+  - fail if an empty file is generated
+
+diff --git a/xbmc/cores/DllLoader/exports/CMakeLists.txt b/xbmc/cores/DllLoader/exports/CMakeLists.txt
+index 580a779fdc..efcd872cad 100644
+--- a/xbmc/cores/DllLoader/exports/CMakeLists.txt
++++ b/xbmc/cores/DllLoader/exports/CMakeLists.txt
+@@ -16,7 +16,7 @@ elseif(NOT CORE_SYSTEM_NAME STREQUAL windows AND NOT CORE_SYSTEM_NAME STREQUAL w
+   add_options(C ALL_BUILDS "-fPIC")
+   add_library(wrapper OBJECT wrapper.c)
+ 
+-  add_custom_target(wrapper.def ALL nm ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/wrapper.dir/wrapper.c.o | grep __wrap | awk '{ printf(\"%s \", \$\$3) }' | sed \"s/___wrap_/__wrap_/g\" | sed \"s/__wrap_/-Wl,-wrap,/g\" > wrapper.def)
++  add_custom_target(wrapper.def ALL ${CMAKE_NM} ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/wrapper.dir/wrapper.c.o | grep __wrap | awk '{ printf(\"%s \", \$\$3) }' | sed \"s/___wrap_/__wrap_/g\" | sed \"s/__wrap_/-Wl,-wrap,/g\" > wrapper.def && test -s wrapper.def)
+ 
+   if(CORE_SYSTEM_NAME STREQUAL android)
+     add_custom_command(TARGET wrapper.def COMMAND echo \"-L${DEPENDS_PATH}/lib/dummy-lib${APP_NAME_LC} -l${APP_NAME_LC}\" >> wrapper.def)