moving champ build process to a separate CMakeLists.txt file

Author: ye11owSub

CMakeLists.txt

@@ -4,6 +4,8 @@ project(${TARGET_NAME})
 
 set(CMAKE_VERBOSE_MAKEFILE on)
 
+find_package(Python REQUIRED COMPONENTS Interpreter Development)
+
 add_library(${TARGET_NAME} SHARED ${ALL_SRC})
 
 target_compile_options(${TARGET_NAME} PRIVATE ${ALL_COMP_ARGS})
@@ -14,7 +16,10 @@ target_compile_features(${TARGET_NAME} PRIVATE cxx_std_17)
 
 set_target_properties(${TARGET_NAME} PROPERTIES PREFIX "")
 
-target_include_directories(${TARGET_NAME} PUBLIC ${ALL_INC_DIR})
+target_include_directories(${TARGET_NAME} PUBLIC
+    ${ALL_INC_DIR}
+    ${Python_INCLUDE_DIRS}
+)
 
 target_link_directories(${TARGET_NAME} PUBLIC ${ALL_LIB_DIR})
 
@@ -29,3 +34,5 @@ target_link_libraries(${TARGET_NAME}
 )
 
 target_compile_definitions(${TARGET_NAME} PUBLIC ${ALL_DEF})
+
+add_subdirectory(contrib/champ)

contrib/champ/CMakeLists.txt

@@ -0,0 +1,22 @@
+cmake_minimum_required(VERSION 3.13)
+
+set(CHEMPY_PROJECT_NAME chempy.champ._champ)
+set(CMAKE_VERBOSE_MAKEFILE on)
+
+project(${CHEMPY_PROJECT_NAME} LANGUAGES C)
+
+find_package(Python REQUIRED COMPONENTS Interpreter Development)
+
+file(GLOB_RECURSE SOURCES "src/*.c")
+add_library(${CHEMPY_PROJECT_NAME} MODULE ${SOURCES})
+
+target_include_directories(${CHEMPY_PROJECT_NAME} PUBLIC
+    ${Python_INCLUDE_DIRS}
+    include
+)
+set_target_properties(${CHEMPY_PROJECT_NAME} PROPERTIES
+    PREFIX ""
+    SUFFIX "${Python_MODULE_EXTENSION}"
+    LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/${CHEMPY_PROJECT_NAME}"
+)
+target_compile_features(${CHEMPY_PROJECT_NAME} PRIVATE cxx_std_17)