From 11fad7972a407955bf4bbc4954a5c2d998098e18 Mon Sep 17 00:00:00 2001
From: vsr <vsr@opencascade.com>
Date: Fri, 17 Sep 2021 11:10:11 +0300
Subject: [PATCH] bos #26360 Adapt detection procedure for GMSH 4.8.4

---
 cmake/FindGMSH.cmake | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/cmake/FindGMSH.cmake b/cmake/FindGMSH.cmake
index e610afa..c9a08bb 100644
--- a/cmake/FindGMSH.cmake
+++ b/cmake/FindGMSH.cmake
@@ -37,7 +37,14 @@ IF(GMSH_ROOT_DIR)
  LIST(APPEND CMAKE_PREFIX_PATH "${GMSH_ROOT_DIR}")
 ENDIF(GMSH_ROOT_DIR)
 
-FIND_PATH(GMSH_INCLUDE_DIRS Gmsh.h gmsh.h PATH_SUFFIXES gmsh)
+FIND_PATH(GMSH_INCLUDE_DIRS NAMES GmshVersion.h PATH_SUFFIXES gmsh)
+FIND_PATH(GMSH_INCLUDE_DIRS_EXTRA NAMES Gmsh.h gmsh.h PATH_SUFFIXES gmsh)
+IF(GMSH_INCLUDE_DIRS AND GMSH_INCLUDE_DIRS_EXTRA)
+  IF(NOT ${GMSH_INCLUDE_DIRS} STREQUAL ${GMSH_INCLUDE_DIRS_EXTRA})
+    # gmsh stupidity: gmsh.h/Gmsh.h and GmshVersion.h may be in the same folder or in different ones!
+    LIST(APPEND GMSH_INCLUDE_DIRS "${GMSH_INCLUDE_DIRS_EXTRA}")
+  ENDIF()
+ENDIF()
 FIND_LIBRARY(GMSH_LIBRARIES NAMES Gmsh gmsh)
 
 INCLUDE(FindPackageHandleStandardArgs)
-- 
2.39.2