CPack/RPM: check executable flags for debuginfo packages

Debuginfo packages can not be created from programs and
shared libraries that do not have execute permissions.

1 files changed, 73 insertions, 2 deletions

diff --git a/Modules/CPackRPM.cmake b/Modules/CPackRPM.cmake
index c5a27f9..faa2df8 100644
--- a/Modules/CPackRPM.cmake
+++ b/Modules/CPackRPM.cmake
@@ -691,6 +691,22 @@
 #  are the same as for :variable:`CPACK_RPM_DEFAULT_FILE_PERMISSIONS`.
 #  Note that <compName> must be in upper-case.
 #
+# .. variable:: CPACK_RPM_INSTALL_WITH_EXEC
+#
+#  force execute permissions on programs and shared libraries
+#
+#  * Mandatory : NO
+#  * Default   : - (system default)
+#
+#  Force set owner, group and world execute permissions on programs and shared
+#  libraries. This can be used for creating valid rpm packages on systems such
+#  as Debian where shared libraries do not have execute permissions set.
+#
+# .. note::
+#
+#  Programs and shared libraries without execute permissions are ignored during
+#  separation of debug symbols from the binary for debuginfo packages.
+#
 # Packaging of Symbolic Links
 # ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 #
@@ -751,7 +767,8 @@
 # .. note::
 #
 #  Packages generated from packages without binary files, with binary files but
-#  without execute permissions or without debug symbols will be empty.
+#  without execute permissions or without debug symbols will cause packaging
+#  termination.
 #
 # .. variable:: CPACK_BUILD_SOURCE_DIRS
 #
@@ -939,6 +956,35 @@
 
 # Author: Eric Noulard with the help of Alexander Neundorf.
 
+function(get_file_permissions FILE RETURN_VAR)
+  execute_process(COMMAND ls -l ${FILE}
+          OUTPUT_VARIABLE permissions_
+          ERROR_QUIET
+          OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+  cmake_policy(SET CMP0007 NEW)
+  string(REPLACE " " ";" permissions_ "${permissions_}")
+  list(GET permissions_ 0 permissions_)
+
+  unset(text_notation_)
+  set(any_chars_ ".")
+  foreach(PERMISSION_TYPE "OWNER" "GROUP" "WORLD")
+    if(permissions_ MATCHES "${any_chars_}r.*")
+      list(APPEND text_notation_ "${PERMISSION_TYPE}_READ")
+    endif()
+    string(APPEND any_chars_ ".")
+    if(permissions_ MATCHES "${any_chars_}w.*")
+      list(APPEND text_notation_ "${PERMISSION_TYPE}_WRITE")
+    endif()
+    string(APPEND any_chars_ ".")
+    if(permissions_ MATCHES "${any_chars_}x.*")
+      list(APPEND text_notation_ "${PERMISSION_TYPE}_EXECUTE")
+    endif()
+  endforeach()
+
+  set(${RETURN_VAR} "${text_notation_}" PARENT_SCOPE)
+endfunction()
+
 function(get_unix_permissions_octal_notation PERMISSIONS_VAR RETURN_VAR)
   set(PERMISSIONS ${${PERMISSIONS_VAR}})
   list(LENGTH PERMISSIONS PERM_LEN_PRE)
@@ -1515,7 +1561,7 @@ function(cpack_rpm_debugsymbol_check INSTALL_FILES WORKING_DIR)
                     RESULT_VARIABLE OBJDUMP_EXEC_RESULT
                     OUTPUT_VARIABLE OBJDUMP_OUT
                     ERROR_QUIET)
-    # Check that if the given file was executable or not
+    # Check if the given file is an executable or not
     if(NOT OBJDUMP_EXEC_RESULT)
       string(FIND "${OBJDUMP_OUT}" "debug" FIND_RESULT)
       if(FIND_RESULT GREATER -1)
@@ -1560,6 +1606,31 @@ function(cpack_rpm_debugsymbol_check INSTALL_FILES WORKING_DIR)
       else()
         message(WARNING "CPackRPM: File: ${F} does not contain debug symbols. They will possibly be missing from debuginfo package!")
       endif()
+
+      get_file_permissions("${WORKING_DIR}/${F}" permissions_)
+      cmake_policy(SET CMP0057 NEW)
+      if(NOT "USER_EXECUTE" IN_LIST permissions_ AND
+         NOT "GROUP_EXECUTE" IN_LIST permissions_ AND
+         NOT "WORLD_EXECUTE" IN_LIST permissions_)
+        if(CPACK_RPM_INSTALL_WITH_EXEC)
+          execute_process(COMMAND chmod a+x ${WORKING_DIR}/${F}
+                  RESULT_VARIABLE res_
+                  ERROR_VARIABLE err_
+                  OUTPUT_QUIET)
+
+          if(res_)
+            message(FATAL_ERROR "CPackRPM: could not apply execute permissions "
+              "requested by CPACK_RPM_INSTALL_WITH_EXEC variable on "
+              "'${WORKING_DIR}/${F}'! Reason: '${err_}'")
+          endif()
+        else()
+          message(AUTHOR_WARNING "CPackRPM: File: ${WORKING_DIR}/${F} does not "
+            "have execute permissions. Debuginfo symbols will not be extracted"
+            "! Missing debuginfo may cause packaging failure. Consider setting "
+            "execute permissions or setting 'CPACK_RPM_INSTALL_WITH_EXEC' "
+            "variable.")
+        endif()
+      endif()
     endif()
   endforeach()