From 106a36c22b0a477ccb77191c50a2aadd8afa7f51 Mon Sep 17 00:00:00 2001
From: Alexey Sokolov <alexey+znc@asokolov.org>
Date: Wed, 21 Dec 2016 08:59:10 +0000
Subject: [PATCH] Rerun SWIG in CMake build when headers change.

---
 modules/modperl/CMakeLists.txt   | 3 +++
 modules/modpython/CMakeLists.txt | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/modules/modperl/CMakeLists.txt b/modules/modperl/CMakeLists.txt
index 7d14ca38..f08401a6 100644
--- a/modules/modperl/CMakeLists.txt
+++ b/modules/modperl/CMakeLists.txt
@@ -54,6 +54,7 @@ if(SWIG_FOUND)
 		-o "${CMAKE_CURRENT_BINARY_DIR}/modperl_biglib.cpp"
 		"${CMAKE_CURRENT_SOURCE_DIR}/modperl.i"
 		DEPENDS "modperl.i"
+		IMPLICIT_DEPENDS CXX "${CMAKE_CURRENT_SOURCE_DIR}/modperl.i"
 		VERBATIM)
 else()
 	add_custom_command(
@@ -64,12 +65,14 @@ else()
 endif()
 add_custom_target(modperl_functions DEPENDS "perlfunctions.cpp")
 add_custom_target(modperl_swigruntime DEPENDS "swigperlrun.h")
+add_custom_target(modperl_swig DEPENDS "modperl_biglib.cpp" "ZNC.pm")
 
 execute_process(COMMAND "${PERL_EXECUTABLE}"
 	-MConfig "-eprint $Config::Config{dlext}"
 	OUTPUT_VARIABLE perl_ext)
 
 znc_add_library(modperl_lib MODULE modperl_biglib.cpp)
+add_dependencies(modperl_lib modperl_swig)
 target_include_directories(modperl_lib PRIVATE
 	"${PROJECT_BINARY_DIR}/include"
 	"${PROJECT_SOURCE_DIR}/include"
diff --git a/modules/modpython/CMakeLists.txt b/modules/modpython/CMakeLists.txt
index 7901ec20..279fe491 100644
--- a/modules/modpython/CMakeLists.txt
+++ b/modules/modpython/CMakeLists.txt
@@ -50,6 +50,7 @@ if(SWIG_FOUND)
 		-o "${CMAKE_CURRENT_BINARY_DIR}/modpython_biglib.cpp"
 		"${CMAKE_CURRENT_SOURCE_DIR}/modpython.i"
 		DEPENDS "modpython.i"
+		IMPLICIT_DEPENDS CXX "${CMAKE_CURRENT_SOURCE_DIR}/modpython.i"
 		VERBATIM)
 else()
 	add_custom_command(
@@ -60,8 +61,10 @@ else()
 endif()
 add_custom_target(modpython_functions DEPENDS "pyfunctions.cpp")
 add_custom_target(modpython_swigruntime DEPENDS "swigpyrun.h")
+add_custom_target(modpython_swig DEPENDS "modpython_biglib.cpp" "znc_core.py")
 
 znc_add_library(modpython_lib MODULE modpython_biglib.cpp)
+add_dependencies(modpython_lib modpython_swig)
 target_include_directories(modpython_lib PRIVATE
 	"${PROJECT_BINARY_DIR}/include"
 	"${PROJECT_SOURCE_DIR}/include"