From 6db83e54bfa7a61114cd8a5f06c0c68a62257c52 Mon Sep 17 00:00:00 2001
From: Gabriel Ferreira <gabrielcarvfer@gmail.com>
Date: Thu, 9 Jun 2022 19:23:54 -0300
Subject: [PATCH] build: split environment variables used to search for
 libraries

Fixes https://gitlab.com/nsnam/ns-3-dev/-/issues/673
---
 build-support/macros-and-definitions.cmake | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/build-support/macros-and-definitions.cmake b/build-support/macros-and-definitions.cmake
index e2e109e7e..c748f1cdb 100644
--- a/build-support/macros-and-definitions.cmake
+++ b/build-support/macros-and-definitions.cmake
@@ -1857,6 +1857,9 @@ function(find_external_library)
                             # directories
       $ENV{PATH} # Search for libraries in PATH directories
   )
+  # Split : separated entries from environment variables by replacing separators with ;
+  string(REPLACE ":" ";" library_search_paths "${library_search_paths}")
+
   set(suffixes /build /lib /build/lib / /bin ${path_suffixes})
 
   # For each of the library names in LIBRARY_NAMES or LIBRARY_NAME