fix linux build

Author: nicolas-f

org.noise_planet.i-simpa.yml

@@ -29,8 +29,8 @@ modules:
     buildsystem: cmake
     sources:
       - type: archive
-        url: https://github.com/boostorg/boost/releases/download/boost-1.89.0/boost-1.89.0-cmake.7z
-        sha256: 252149f583054515b10688855b24ca1c16072b5118e603b8fe017894d319c262
+        url: https://github.com/boostorg/boost/releases/download/boost-1.89.0/boost-1.89.0-cmake.tar.gz
+        sha256: 954a01219bf818c7fb850fa610c2c8c71a4fa28fa32a1900056bcb6ff58cf908
     config-opts:
       - -DBUILD_TESTING=ON
       - -DBOOST_ENABLE_PYTHON=ON
@@ -115,4 +115,6 @@ modules:
       - -DCMAKE_BUILD_TYPE=Release
       - -DCPM_SOURCE_CACHE=/app/share
       - -DBoost_DIR=/app/lib64/cmake/Boost-1.86.0
-      - -DBOOST_ROOT=/app
+      - -DBOOST_ROOT=/app
+      - -DGLUT_INCLUDE_DIR=/app/include
+      - DGLUT_glut_LIBRARY=/app/lib/libglut.so

src/isimpa/GL/opengl_inc.h

@@ -33,7 +33,6 @@
 #include <windows.h>
 #endif
 #ifdef __UNIX__
-#include <GL/glut.h>    // Header File For The GLUT Library
 #include <GL/glx.h>     // Header file fot the glx libraries.
 #endif
 #if defined(__APPLE__)