[PATCH] D110694: [flang][driver] Error if uuidgen is not installed

[David Spickett via Phabricator via llvm-commits]

DavidSpickett created this revision.
Herald added a reviewer: awarzynski.
Herald added a project: Flang.
DavidSpickett requested review of this revision.
Herald added subscribers: llvm-commits, jdoerfert.
Herald added a project: LLVM.

Ubuntu Bionic installs it by default, Focal does not.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D110694

Files:
  flang/tools/f18/flang


Index: flang/tools/f18/flang
===================================================================
--- flang/tools/f18/flang
+++ flang/tools/f18/flang
@@ -358,6 +358,12 @@
   # first generated and then deleted by this script.
   # NOTE: We need to make sure that the base-name is unique to every
   # invocation. Otherwise we can't use this script in parallel.
+  if ! command -v uuidgen &> /dev/null
+  then
+    echo "uuidgen is required for generating unparsed file names."
+    exit 1
+  fi
+
   local -r unique_id=$(uuidgen | cut -b25-36)
   local -r unparsed_file_base="flang_unparsed_file_$unique_id"
 


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