patch 4

Author: CryptoLover705

depends/packages/boost.mk

@@ -12,7 +12,8 @@ $(package)_config_opts+=threading=multi link=static -sNO_BZIP2=1 -sNO_ZLIB=1
 
 $(package)_config_opts_linux=threadapi=pthread runtime-link=shared
 
-$(package)_config_opts_darwin=--toolset=clang runtime-link=shared
+# IMPORTANT: macOS now forced to GCC toolset
+$(package)_config_opts_darwin=--toolset=gcc runtime-link=shared
 
 $(package)_config_opts_mingw32=binary-format=pe target-os=windows threadapi=win32 runtime-link=static
 
@@ -36,25 +37,19 @@ $(package)_cxxflags=-std=c++11 -fvisibility=hidden
 $(package)_cxxflags_linux=-fPIC
 endef
 
+# ==================================================================
+# PREPROCESS: FORCE GCC TOOLSET FOR MACOS + EVERY OTHER HOST
+# macOS cross compile will use gcc toolset with g++ invocation
+# This avoids Boost's broken "darwin" toolset and missing libtool.
+# ==================================================================
 define $(package)_preprocess_cmds
-
-  if [ "$(host_os)" = "darwin" ]; then \
-    echo "using clang : : $($(package)_cxx) \
-      : <cxxflags>\"$($(package)_cxxflags) $($(package)_cppflags)\" \
-        <linkflags>\"$($(package)_ldflags)\" \
-        <archiver>\"$($(package)_ar)\" \
-        <ranlib>\"$(host_RANLIB)\" \
-        <striper>\"$(host_STRIP)\" \
-      ;" > user-config.jam; \
-  else \
-    echo "using gcc : : $($(package)_cxx) \
-      : <cxxflags>\"$($(package)_cxxflags) $($(package)_cppflags)\" \
-        <linkflags>\"$($(package)_ldflags)\" \
-        <archiver>\"$($(package)_ar)\" \
-        <ranlib>\"$(host_RANLIB)\" \
-        <striper>\"$(host_STRIP)\" \
-      ;" > user-config.jam; \
-  fi
+  echo "using gcc : : $($(package)_cxx) \
+    : <cxxflags>\"$($(package)_cxxflags) $($(package)_cppflags)\" \
+      <linkflags>\"$($(package)_ldflags)\" \
+      <archiver>\"$($(package)_ar)\" \
+      <ranlib>\"$(host_RANLIB)\" \
+      <striper>\"$(host_STRIP)\" \
+    ;" > user-config.jam
 endef
 
 define $(package)_config_cmds