Merge pull request #66725 from flokli/wrapqtappshook-exec

stdenv: add isELFExec, isELFDyn, fix wrappers

pkgs/development/libraries/qt-5/hooks/wrap-qt-apps-hook.sh

@@ -82,7 +82,7 @@ wrapQtAppsHook() {
 
         find "$targetDir" -executable -print0 | while IFS= read -r -d '' file
         do
-            isELF "$file" || continue
+            isELFExec "$file" || continue
 
             if [ -f "$file" ]
             then

pkgs/stdenv/generic/setup.sh

@@ -212,6 +212,18 @@ isELF() {
     if [ "$magic" = $'\177ELF' ]; then return 0; else return 1; fi
 }
 
+# Return success if the specified file is an ELF object
+# and its e_type is ET_EXEC (executable file)
+isELFExec() {
+    grep -ao -P '^\177ELF.{11}\x00\x02' "$1" >/dev/null
+}
+
+# Return success if the specified file is an ELF object
+# and its e_type is ET_DYN (shared object file)
+isELFDyn() {
+    grep -ao -P '^\177ELF.{11}\x00\x03' "$1" >/dev/null
+}
+
 # Return success if the specified file is a script (i.e. starts with
 # "#!").
 isScript() {