Search for Python3 interpreter but keep libraries mandatory

Signed-off-by: Bi0T1N <[email protected]>
gazebosim · Aug 19, 2023 · b1f2cbb · b1f2cbb
1 parent 2b82268
commit b1f2cbb
Showing 1 changed file with 10 additions and 3 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -99,9 +99,16 @@ else()
   # the code below can be removed; e.g. pybind needs Interpreter and Development components
   # see https://pybind11.readthedocs.io/en/stable/cmake/index.html#new-findpython-mode
   if(${CMAKE_VERSION} VERSION_LESS "3.12.0")
-    find_package(PythonLibs QUIET)
-    set(Python3_FOUND ${PYTHONLIBS_FOUND})
-    set(Python3_VERSION ${PYTHONLIBS_VERSION_STRING})
+    find_package(PythonInterp ${IGN_PYTHON_VERSION} QUIET)
+    if(PYTHONINTERP_FOUND)
+      set(Python3_FOUND ${PYTHONINTERP_FOUND})
+      set(Python3_Interpreter_FOUND ${PYTHONINTERP_FOUND})
+      set(Python3_EXECUTABLE ${PYTHON_EXECUTABLE})
+      find_package(PythonLibs QUIET)
+      # we found the interpreter but did we also find the libs? both are required
+      set(Python3_FOUND ${PYTHONLIBS_FOUND})
+      set(Python3_VERSION ${PYTHONLIBS_VERSION_STRING})
+    endif()
   else()
     find_package(Python3 QUIET COMPONENTS Interpreter Development)
   endif()