1 files changed, 31 insertions, 15 deletions

diff --git a/cmake/StrictAbi.cmake b/cmake/StrictAbi.cmake
index fdf3664b..5a646d77 100644
--- a/cmake/StrictAbi.cmake
+++ b/cmake/StrictAbi.cmake
@@ -9,26 +9,42 @@
 #
 ################################################################################
 
-function(make_version_script header ns lib)
-  execute_process(
-    COMMAND ${SHELL} -c "egrep '^\\w' ${header} | grep '${ns}_[a-z0-9_]*(' | grep -v '^typedef' | grep -o '${ns}_[a-z0-9_]*(' | egrep -o '\\w+' | sort -u"
-    OUTPUT_VARIABLE ${lib}_SYMS
-    OUTPUT_STRIP_TRAILING_WHITESPACE)
-  string(REPLACE "\n" ";" ${lib}_SYMS ${${lib}_SYMS})
+find_program(SHELL NAMES sh dash bash zsh fish)
 
-  set(${lib}_VERSION_SCRIPT "${CMAKE_BINARY_DIR}/${lib}.ld")
+macro(make_version_script)
+  if(STRICT_ABI AND SHELL AND ENABLE_SHARED)
+    _make_version_script(${ARGN})
+  endif()
+endmacro()
 
-  file(WRITE ${${lib}_VERSION_SCRIPT}
+function(_make_version_script target)
+  set(${target}_VERSION_SCRIPT "${CMAKE_BINARY_DIR}/${target}.ld")
+
+  file(WRITE ${${target}_VERSION_SCRIPT}
     "{ global:\n")
-  foreach(sym ${${lib}_SYMS})
-    file(APPEND ${${lib}_VERSION_SCRIPT}
-      "${sym};\n")
-  endforeach(sym)
-  file(APPEND ${${lib}_VERSION_SCRIPT}
+
+  foreach(sublib ${ARGN})
+    string(REPLACE "^" ";" sublib ${sublib})
+    list(GET sublib 0 header)
+    list(GET sublib 1 ns)
+
+    execute_process(
+      COMMAND ${SHELL} -c "egrep '^\\w' ${header} | grep '${ns}_[a-z0-9_]*(' | grep -v '^typedef' | grep -o '${ns}_[a-z0-9_]*(' | egrep -o '\\w+' | sort -u"
+      OUTPUT_VARIABLE sublib_SYMS
+      OUTPUT_STRIP_TRAILING_WHITESPACE)
+    string(REPLACE "\n" ";" sublib_SYMS ${sublib_SYMS})
+
+    foreach(sym ${sublib_SYMS})
+      file(APPEND ${${target}_VERSION_SCRIPT}
+        "${sym};\n")
+    endforeach(sym)
+  endforeach(sublib)
+
+  file(APPEND ${${target}_VERSION_SCRIPT}
     "local: *; };\n")
 
-  set_target_properties(${lib}_shared PROPERTIES
-    LINK_FLAGS -Wl,--version-script,${${lib}_VERSION_SCRIPT})
+  set_target_properties(${target}_shared PROPERTIES
+    LINK_FLAGS -Wl,--version-script,${${target}_VERSION_SCRIPT})
 endfunction()
 
 option(STRICT_ABI "Enforce strict ABI export in dynamic libraries" OFF)